CCGL

Operator List

Operators: 5952

Operators(542): [Blank] - BLACKBRUSH
Operator Count   Operator Count   Operator Count   Operator Count  
296   AMARILLO 5   ASCENT 13   BARRY 28  
1988 INDEXGEO J.V. 1   AMAX 27   ASHER 2   BARTELS 1  
4-B TRUST 2   AMBASSADOR 20   ASHFORD 16   BARTESSA 1  
5-D OPERATING 2   AMBERTON 4   ASHLAND 33   BARTGIS 1  
A & A 3   AMBROSIA MINERALS 1   ASHLEY 1   BARTH 1  
A & D 1   AMCOLE 2   ASHTOLA 6   BARTHOLOMEW 1  
A & D EXPL 5   AMEND 7   ASPECT 6   BARTLE 3  
A & M 2   AMEND ENERGY 1   ASPEN 6   BARTLE & BARTLE 1  
A & R 2   AMERADA 293   ASSOCIATED OIL 98   BARTLETT 2  
A & T 15   AMERICAN AUSTRALIAN 1   ASTIN 1   BASA RESOURCES 6  
A A A OPERATING 5   AMERICAN COASTAL 4   ASTRO 4   BASELINE O & G 2  
A C R 1   AMERICAN COMETRA 41   ATAPCO 22   BASIC EARTH SCIENCE 16  
A K M 2   AMERICAN DELTA 9   ATASCA RESOURCES 3   BASIC ENERGY 5  
A M & R 3   AMERICAN DRILLING 7   ATASCO 10   BASIN 13  
A N R 8   AMERICAN ENERGY 17   ATASCOSA OIL & GAS 1   BASOM 3  
A O E OPERATORS 2   AMERICAN EXPLORATION 23   ATASCOSA TRUST 1   BASS 182  
A O P 9   AMERICAN FIRST ENERGY 1   ATCHISON 3   BASTROP 4  
A P D 9   AMERICAN HUNTER 1   ATHENS 2   BATEMAN 9  
A P I 2   AMERICAN INTERNATIONAL 19   ATKINS & O'NEIL 5   BATES 4  
A R P 1   AMERICAN LIBERTY 36   ATKINS MINERALS 2   BATEX 3  
A W P 16   AMERICAN NATURAL GAS 22   ATKINSON 18   BATON 5  
A.T.O.P.P. 1   AMERICAN OPERATING 1   ATLANTIC 974   BATTAILE & KNISELY 1  
ABACO 12   AMERICAN PETROFINA 136   ATLAS 4   BAUCHMAN 2  
ABBEVILLE 1   AMERICAN PETROLEUM 1   ATOKA 1   BAUGH 1  
ABBOTT 10   AMERICAN PLASTI-PLATE 1   ATTEBURY 2   BAUMAN 3  
ABCO 12   AMERICAN PUBLIC ENERGY 4   ATWOOD 21   BAXTER 108  
ABEL 35   AMERICAN QUASAR 12   AUBURN 10   BAY CITY DRILLING 11  
ABER 2   AMERICAN REPUBLIC 34   AUDAS 5   BAY CITY REFINING 4  
ABERCROMBIE 100   AMERICAN SHORELINE 58   AUGUST 1   BAY OIL 10  
ABERNATHY 1   AMERICAN STANDARD 2   AUGUSTA 1   BAY PRODUCTION 3  
ABRAHAM 1   AMERICAN TEXAS 5   AULD 20   BAY ROCK 79  
ABRAXAS 101   AMERICAN TRADING 18   AURORA 22   BAYNES 10  
ABSHER 3   AMERICO 4   AUSTEX 1   BAYPORT 4  
ABSHIER 1   AMERICUS 1   AUSTIN 25   BAYRIDGE 1  
AC EXPLORATION 3   AMERITEX 1   AUSTRA-TEX 7   BAYSIDE 20  
ACCO 91   AMES 4   AUSTRAL 92   BAYSTAR 1  
ACCUMULATIVE ROYALTY 2   AMEX SYSTEMS 1   AUTREY 1   BAYTEX OIL 33  
ACHE 1   AMHERST 1   AUTUMN 1   BEACH 16  
ACHNING 7   AMIGO 2   AV-TECH 1   BEACHAM 1  
ACIETEROS 5   AMIGOS 1   AVALANCHE 3   BEACON 15  
ACME 3   AMINEX USA 2   AVERILL 58   BEADLE 1  
ACOCK 53   AMINI 1   AVERY 7   BEALL 3  
ACOCK/ANAQUA 37   AMINOIL 28   AWOEB 3   BEAMAN 5  
ACOMA 4   AMISTAD 2   AXEM 8   BEAMON 6  
ACORN 4   AMMAN & McNAB 2   AXIO 2   BEARD 15  
ADA 71   AMMCO 3   AXIS 1   BEASLEY 1  
ADAIR 2   AMMEX 15   AYERS 5   BEATY 1  
ADAMS 62   AMMONITE 4   AYERS & SWOPE 1   BEAUCHAMP 2  
ADCO 3   AMOCO 317   AYRES 13   BECHTEL 1  
ADCOCK 1   AMOY 10   AZALEA 2   BECK 15  
ADDINGTON 3   AMPAK 39   AZAR 1   BECKER 32  
ADELANTE 1   AMPECO 2   AZMUTH 1   BECKHAM 3  
ADELON 2   AMPHION 1   AZTEC 14   BECKMAN 9  
ADENA 2   AMPOLEX 1   AZUL 6   BECO 2  
ADKINS 1   AMSLER 9   B & B 13   BEDWELL 16  
ADMIRAL 2   AMUREX 1   B & D 1   BEER 26  
ADOBE 29   ANADARKO 51   B & E 1   BEGEMAN 9  
ADRIAN 1   ANAQUA 60   B & G 6   BEHEMOTH 4  
AEGEAN 7   ANCIENT SEAS 1   B & K 1   BEHRING 1  
AEGIS 2   ANCIRA 1   B & L 2   BEL OIL 7  
AEOX-ST 2   ANCON OIL 11   B & M 20   BEL-POTA 3  
AERO COLOMA 1   ANDERMAN 6   B & S 1   BELAIRE 1  
AFROMA 52   ANDERSON 186   B & W 1   BELCHER 4  
AGCO 4   ANDERSON-PRICHARD 35   B B L 3   BELCO 65  
AGOIL 34   ANDOVER 7   B B M 15   BELGAM 8  
AGSCO 6   ANDRADE 34   B D K 113   BELL 25  
AHERN 20   ANDRAU 4   B D PRODUCTION 34   BELL & DANSFIELL 21  
AID 12   ANDRAU-HADA 1   B D R 3   BELL, JAY 1  
AIKMAN 13   ANDREEN 2   B G EXPLORATION 1   BELL, KELLY 68  
AKIN 3   ANDRES 2   B H P 31   BELLOWS 2  
AKRON 6   ANDRESS 38   B H P PETROLEUM 1   BELLWETHER 3  
ALABAMA MINERALS 1   ANDREWS 90   B J B 19   BELMONT 1  
ALABLANCA 1   ANDRUS 9   B J OIL MANAGEMENT 1   BENEDUM 11  
ALADDIN 2   ANGEL LAND 2   B M W RESOURCES 2   BENEDUM-TREES 43  
ALAMO 43   ANGELINA 3   B N P 39   BENGAIL 3  
ALANCO 2   ANGLO PRODUCTION 2   B P AMERICA 14   BENGE 1  
ALANIZ 5   ANGLO-DUTCH 1   B P L 1   BENHAM 1  
ALASKA STEAMSHIP 129   ANGLO-NATIONAL 2   B P PRODUCTION 8   BENNETT 35  
ALASKA TEX 3   ANHUR 5   B S E PRODUCTION 5   BENNETT, MILLS 154  
ALBRECHT 4   ANISMAN 2   B T 6   BENSON 12  
ALBRIGHT 2   ANKENMAN 4   B T A OIL 31   BENTEX 6  
ALCO DRILLING 16   ANN 1   B W A B 1   BENTON 1  
ALCO OIL 11   ANSCHUTZ 52   B Y S INC. 1   BENTSEN 74  
ALCOA 88   ANSELMA 1   B-G OPERATING 1   BENZ 7  
ALCOR 2   ANSTER 1   BABB 1   BENZ-STODDARD 5  
ALCORN 16   ANTARA 1   BACARISSE 1   BENZAQUIN 1  
ALECO 1   ANTARES 28   BAGDAD 3   BEPCO 2  
ALEXANDER 8   ANTEX 2   BAGNALL 1   BERENERGY 12  
ALFORD 6   ANTLER 2   BAHIA 30   BERG 1  
ALGORD 1   APACHE 156   BAILEY 38   BERGMAN 37  
ALICE 2   APCO 2   BAINBRIDGE 2   BERING 32  
ALICE OIL 1   APEX ENERGY 31   BAKER 23   BERKLEY 2  
ALKEK 47   APEX OIL 8   BAKKE 29   BERKSHIRE 1  
ALL AM 5   APEXCO 5   BALBOA 2   BERLY 1  
ALLAR 1   APOLLO 5   BALD 2   BERNARD 1  
ALLAUN 1   APPELL 249   BALDRIDGE 164   BERRY 3  
ALLBRIGHT 1   APPLE 1   BALLANFONTE 3   BERTELSON 1  
ALLDAY 24   APPLIED THERMAL 2   BALLARD 52   BERTMAN 1  
ALLEGRO 87   APPLING 1   BALLENGEE 1   BEST 1  
ALLEN 115   AQUILA 6   BALTIC 20   BETA 1  
ALLEN & MORRIS 5   AQUITAINE 1   BAM 2   BETTIS 73  
ALLEN & SHUMATE 5   ARANSAS 10   BAMM 1   BEVERS 1  
ALLERKAMP 10   ARAPAHO 1   BAMMERT 1   BEVLY 31  
ALLIANCE 7   ARAXAS 3   BANCROFT 2   BEXCO 20  
ALLIED DRILLING 6   ARCADIA 10   BANDER 1   BID-RICH 1  
ALLIED HYDROCARBONS 2   ARCHER 6   BANDERA 3   BIG 6 DRILLING 47  
ALLIED OIL 2   ARCO 359   BANKHEAD 17   BIG CHIEF 2  
ALLIED PRODUCTION 10   ARCTURUS 1   BANKLINE 7   BIG LAKE 12  
ALLISON 7   ARENA 20   BANKS MILLER 3   BIG SHELL 5  
ALLTEX 2   ARENDALE & LOWE 3   BANNER 2   BIG SPRINGS 6  
ALMAC 10   ARGO 282   BANNON 2   BIGHART 2  
ALMAR 3   ARGOS 4   BAR D 3   BIGHORN 1  
ALPHA ENERGY 1   ARGUS 3   BAR M 18   BIGLANE 2  
ALPHA EXPLORATION 7   ARGYLE 1   BAR MAR 2   BILBO 14  
ALPHA GAS 8   ARICK 1   BAR S 1   BILLFISCH 5  
ALPHA OIL 2   ARIES 1   BAR-MAC 1   BILLINGS 9  
ALPHA OMEGA ENERGY 4   ARK 15   BAR-MAR 1   BINNEY 1  
ALPHA PRODUCTION 1   ARKANSAS FUEL 253   BARBARA 16   BINTLIFF 13  
ALSABROOK 2   ARKLA 7   BARBEE 6   BIRD 1  
ALSAN 2   ARLEDGE 11   BARBER 12   BIRDWELL 59  
ALTA 1   ARMADA 4   BARBRE 1   BISCO 1  
ALTA ENERGY 2   ARMER 1   BARGE 1   BISHOP 44  
ALTA MESA 6   ARMOUR 42   BARGO ENERGY 2   BISKAMP 2  
ALTA VISTA 13   ARMOUR-RICHARDS 1   BARIA 18   BISSELL 3  
ALTEX 2   ARMSTRONG 100   BARKER 4   BISSETT 1  
ALTGELT 1   ARMSTRONG & HORN 11   BARNEBURG 12   BITTNER 1  
ALUMINUM CO. OF AMERICA 177   ARMSTRONG & SUTTON 19   BARNES 20   BLACK 37  
ALWORTH 1   ARNOLD 26   BARNETT 4   BLACK GOLD 2  
ALYANA 1   ARNOLD WELL SERVICE 95   BARNHART 8   BLACK RIVER 4  
ALYNDSON 2   ARRIBA 46   BARNHILL 7   BLACK ROCK 9  
AM-RDC 1   ARRINGTON 3   BARNSDALL 227   BLACKBRUSH 3  
AM-TEX 2   ARROW 34   BARNWELL 6    
AMAL 2   ARROWHEAD 2   BARON 5    
AMALGAMATED 7   ARROYO 1   BARRACUDA 1    
AMAR 5   ARSHT 1   BARRANCA 1    
AMARCO 1   ARTZBERGER 1   BARRETT 4    
AMAREX 1   ASAMERA 10   BARRIER 7    
Operators(542): BLACKFOOT - COFFMAN
Operator Count   Operator Count   Operator Count   Operator Count  
BLACKFOOT 1   BRINKOETER 3   CAIN 28   CHAMPLIN 418  
BLACKJACK 7   BRISCOE 22   CAL MON 1   CHANCE 3  
BLACKMAR 2   BRISTOL 3   CAL-TEX 3   CHANDLER 2  
BLACKWELL 1   BRISTON 1   CALADONIA 1   CHANOCO 29  
BLAFFER 4   BRISTOW 15   CALAME 1   CHAPARRAL 27  
BLAIR 25   BRITANCO 1   CALATEXIA 1   CHAPARROSA 27  
BLAIR-VREELAND 193   BRITISH AMERICAN 65   CALAWAY 16   CHAPCO 1  
BLAIRSVILLE 2   BRITISH TEXAN 8   CALCO 2   CHAPMAN 148  
BLAKE ENERGY 10   BRITTANY 1   CALDWELL 8   CHARLTON 10  
BLALOCK 2   BROAD OAK 1   CALHOUN 2   CHARO ENERGY 10  
BLANCHARD 21   BROADHEAD 1   CALIBOGUE 2   CHARRO 41  
BLANCO 216   BROADUS 6   CALIBRI 1   CHARTER 2  
BLANKE 1   BROADWAY 1   CALIFORNIA CO. 12   CHASE 8  
BLANTON 6   BROCATO 9   CALIFORNIA TIME 1   CHASS 25  
BLAZER 2   BROCK 40   CALIFORNIA TIMES 3   CHASTAIN 1  
BLEAKLEY 14   BROGAN 2   CALIX 1   CHAVANNE 24  
BLEDSOE 2   BRONCO 2   CALLAHAN 2   CHENOWETH 1  
BLOCK 1   BROOKLYN 9   CALLAWAY 18   CHEROKEE 10  
BLOCKER 46   BROOKS 5   CALLENDER 2   CHEROSAGE 21  
BLOHM 6   BROONER 28   CALLERY 40   CHERRY 7  
BLOMGREN 3   BROSECO 13   CALLON 5   CHERRYVILLE 41  
BLOUNT 18   BROWN 360   CALOHAN 11   CHESAPEAKE 72  
BLUCHER 1   BROWNING 10   CALPINE 2   CHESNUTT 5  
BLUCO 14   BRUMMETT 10   CALVERT 78   CHESSER 1  
BLUE JAY 8   BRUNER 58   CAM CORP. 15   CHESSHER 1  
BLUE RIDGE 5   BRUNNETT 1   CAMBELL 3   CHEVRON 117  
BLUE SKY 23   BRUNO 3   CAMBRIAN 1   CHEYENNE 5  
BLUE WATER 3   BRUNS 39   CAMBRIDGE 53   CHICAGO 353  
BLUE WING ENERGY 1   BRYAN 15   CAMDEN 40   CHICO OIL 1  
BLUEBONNET 3   BRYANT 40   CAMERINA 3   CHIEF 1  
BLUERIDGE 3   BUCHANAN 36   CAMERON 98   CHILDERS 10  
BLUESTONE 4   BUCK 24   CAMINO 12   CHILDRESS 1  
BLUFF 2   BUCKALOO 9   CAMOIL 1   CHILES 76  
BLUHAWK 1   BUCKINGHAM 13   CAMP 114   CHILTIPIN 3  
BLUMBERG 10   BUCKLEY 8   CAMPANA 4   CHINN 4  
BLUMENTHAL 2   BUDA 2   CAMPARIA 1   CHIODO 2  
BLUTCH 2   BUELL 2   CAMPBELL 53   CHIPPEWA 1  
BOB'S SERVICE 1   BUESCHER 3   CAN-AM 1   CHIQUITA 2  
BOCK 8   BUETTNER 1   CANADIAN NORTHWEST 1   CHISHOLM 1  
BOCK & ANDERSON 1   BUFFALO 15   CANALES 28   CHIZUM 27  
BODE 2   BUNN 12   CANKIE 1   CHOATE 2  
BOEGENTER 1   BUNTE 10   CANNAN, MORRIS 157   CHOCTAW 1  
BOGER & LAKE 2   BUNTIN 1   CANNAN-SUBSURFACE 1   CHOICE 28  
BOLDING 2   BUR-KAN 1   CANNON 12   CHOYA DRILLING 13  
BOLIN 10   BURCH 19   CANNONBALL 2   CHRISCO 1  
BOLING 8   BURDEN 1   CANTEX 1   CHRISTIAN 3  
BOLLER 4   BURDETTE 2   CANTRELL 1   CHRISTICO 32  
BOLLING 1   BURDITT 2   CANTRO 9   CHRISTIE 115  
BOLLMAN 1   BURFORD 2   CANUS 170   CHRISTILIN 2  
BOLSA 1   BURK ROYALTY 69   CANUSA 4   CHRISTINA 1  
BOLTON 2   BURKART 1   CAPE 1   CHRISTOPHER 35  
BOMMER 18   BURKE 21   CAPITAL RESOURCES 4   CHUMNEY 1  
BONANZA 6   BURKHARDT 1   CAPITAL STAR 9   CHURCH 4  
BONAVENTURE 5   BURKHART 6   CAPITAN 1   CICHOWSKI 6  
BOND, DURBIN 24   BURLESON 8   CAPITOL 50   CICO 105  
BOND, ROLAND 4   BURLINGTON 10   CAPITOL RESOURCES 5   CIMAREX 7  
BONNER 2   BURNAM 1   CAPPS 2   CIMARRON 54  
BONOIL 1   BURNELL 7   CAPRICORN 1   CINCO 11  
BOONE 3   BURNETT 55   CAPRINA 5   CIRCLE 20  
BOOTH & HOLMAN 4   BURNS 219   CAR-LOID 1   CIRCLE 7 OIL & GAS 2  
BOOTHE 1   BURR 8   CARAWAY 5   CIRCLE W 6  
BOPCO 2   BURR & CREWS 1   CARBIDE 2   CIRRUS 2  
BORDER 51   BURROW 3   CARBONIT 1   CITADEL 2  
BOREN 3   BURSON 2   CARDEN 1   CITATION OIL & GAS 12  
BORNEFELD 1   BURTON 24   CARDOIL 1   CITEX 1  
BORSODI 4   BUSBY 4   CAREY 13   CITIES PROD. 3  
BOSS EXPLORATION 2   BUSCHMAN 2   CARIBBEAN 22   CITIES SERVICE 429  
BOSTEX 2   BUSMORE 14   CARIBOU 4   CITY OF JOURDANTON WATER BOARD 1  
BOSTON 11   BUTCHER 34   CARL 65   CITY PRODUCTS 1  
BOTTOMS 1   BUTLER 74   CARLANDA 10   CLA-BAR OIL 6  
BOUNDS 1   BUTT 7   CARLEE 2   CLAN 1  
BOUNTY 20   BUTTERCUP 1   CARLESS 4   CLANTON 4  
BOURNE 2   BUTTES 41   CARLON 13   CLARDY 18  
BOW 3   BUTTRAM 2   CARLOS 4   CLARDY & BARNETT 1  
BOWDEN 1   BUZZINI 14   CARLSON 16   CLARK 247  
BOWEN 4   BYARS 8   CARLTON 3   CLARKSON 2  
BOWLES 22   BYER 1   CARNES 18   CLARKWOOD 2  
BOWLING 2   BYRD 11   CAROLINA 2   CLARY 1  
BOWMAN 4   BYS INCORPORATED 1   CAROLINA-TEXAS 2   CLAY 7  
BOWMAN CATTLE 14   C & B 1   CARPENTER 3   CLAYTON 5  
BOYCE 7   C & E 172   CARR 230   CLEAR FORK 2  
BOYD & DURST 3   C & G 1   CARRIE 1   CLEARY 22  
BOYD & GALT 1   C & J 1   CARRILLO 1   CLEGG 14  
BOYKIN 59   C & K 46   CARRIZO 49   CLEMCO 17  
BOYLE 73   C & M 1   CARRL 226   CLEMENTS 10  
BOYSEN 34   C & R 1   CARROLL 1   CLEVA 2  
BRACHMAN 1   C A G 7   CARTER 323   CLEVELAND 8  
BRACKEN 3   C B & S 43   CARTHAY 22   CLEVENGER 11  
BRADBURY 1   C B ENERGY 8   CARTTER 1   CLIFFS DRILLING 1  
BRADCO 19   C B GATHERING 4   CARTWRIGHT 5   CLIFFWOOD 1  
BRADEX 1   C C LEASEHOLD 1   CASA GRANDE 2   CLIMAX 3  
BRADFORD 5   C C M G 1   CASCADE 3   CLINE 6  
BRADLEY 1   C C OPERATING 2   CASCO 1   CLINTON 48  
BRADSHAW 2   C D CONSULTING 3   CASE-POMEROY 1   CLIPPER 1  
BRADSTREET 1   C D E 3   CASEY 4   CLOPTON 16  
BRADY 4   C D RESOURCES 12   CASH 5   CLOUD 1  
BRAHANEY 2   C E T 3   CASHCO 17   CLOVER 80  
BRAHMAN 8   C G V 4   CASHION 9   CLUCK 3  
BRALORNE 1   C H & M 2   CASKEY 10   CLYMORE 20  
BRAMAN 67   C H F 1   CASKIDS 10   COALINGA 2  
BRAMMER 15   C J D 2   CASTLE 4   COAST CO. 18  
BRANDON 8   C L F 1   CASTLEMAN 1   COASTAL BEND DRILLING 1  
BRANHAM 15   C M & M 1   CATAHOULA 4   COASTAL BEND OIL 17  
BRANN 1   C M & W 1   CATARINA 3   COASTAL DRILLING & WORKOVER 5  
BRANNON 3   C M C 6   CATER 2   COASTAL ENGINEERING 3  
BRANSON 1   C M L 3   CATHY 3   COASTAL EXPLORATION 2  
BRASADA 1   C M OIL 4   CATLETT 91   COASTAL GULF 1  
BRASFIELD 1   C M S 1   CATTLE LAND 56   COASTAL OIL & GAS 297  
BRAUER 6   C N 1   CAUBLE 11   COASTAL OIL & LAND 10  
BRAUN 21   C N G 15   CAVALIER 2   COASTAL PLAINS 6  
BRAVADO 1   C N R 4   CAVALLA 14   COASTAL PRODUCTION 6  
BRAWLEY 1   C P C 72   CAVERIDGE 1   COASTAL REFINERIES 102  
BRAYERS 1   C P C DALE OPERATING 2   CAWTHON 3   COASTAL STATES 522  
BRAYTON 92   C P X 25   CAYMAN 10   COASTAL TEX 1  
BRAZELL 5   C R A 5   CAYUGA 5   COASTAL TREND 66  
BRAZOS 221   C R B 24   CAZA OPERATING 2   COASTAL WELL SERVICE 1  
BRAZOS OIL & GAS 19   C R L 1   CE-BETH 3   COASTLAND 1  
BREGMAN 2   C R M 2   CEDAR HILL 1   COASTLINE 69  
BREHM INVESTMENT 1   C S A 9   CELERON 4   COATES 276  
BRELSFORD 2   C S X 2   CELTIC 1   COATS 3  
BRENAN 4   C T OIL & GAS 1   CENERGY 18   COBBS 1  
BRENNAN 2   C T R 5   CENIZA 33   COBRA 29  
BRENT 2   C X Y ENERGY 3   CENTAUR 3   COCHRAN 40  
BREUER 34   C-AIR 2   CENTENNIAL 28   COCKBURN 62  
BREWER 5   C-K RESOURCES 7   CENTEX 3   COCKRELL 107  
BREWSTER 33   C-TECHNOLOGY 2   CENTRAL 33   CODY 100  
BRIAN 1   CABEZA 1   CENTURA 19   COE 1  
BRIDAS 1   CABILDO 2   CENTURION 2   COFFEE 80  
BRIDEWELL 31   CABLE 1   CENTURY 73   COFFEY 11  
BRIDGE 56   CABOT 93   CENZIA 1   COFFIELD 10  
BRIDGER 7   CABRE 1   CERRO DE PASCO 11   COFFMAN 25  
BRIDWELL 473   CACHARA 4   CHABTEX 1    
BRIGGS 2   CACTUS 6   CHALLENGE 5    
BRIGHAM 60   CADDO 125   CHAMBERLAIN 13    
BRIGHT 208   CAESAR 2   CHAMBERS 25    
BRILL 10   CAFRE 3   CHAMBLISS 1    
BRINKERHOFF 8   CAGE 8   CHAMPION 4    
Operators(542): COGGINS - ENRON
Operator Count   Operator Count   Operator Count   Operator Count  
COGGINS 1   CRIMSON 4   DELEE 2   DYAD 1  
COGSWELL 1   CRIPPLE CREEK 2   DELFERN 2   DYCO 2  
COHEN 5   CROCKET 1   DELHI 62   DYNAMIC 77  
COHO 5   CROCKETT 7   DELHI-TAYLOR 130   DYONISIO 1  
COKE 1   CRON 24   DELK 1   E & H 4  
COKER 1   CROOM 1   DELKER 14   E & L 1  
COKINOS 1   CROSBY, A. W. 4   DELLINGER 25   E C C 3  
COLBY 2   CROSS TIMBERS 1   DELLWOOD 15   E E X 19  
COLE 62   CROUCH 52   DELRAY 74   E K O 12  
COLEMAN 2   CROW 7   DELTA AMERICAN 25   E M J 1  
COLETTO CREEK 1   CROWE 1   DELTA BRAVO 1   E O G RESOURCES 206  
COLGIN 1   CROWELL 1   DELTA DRILLING 8   E P OPERATING 49  
COLINE OIL 1   CROWN 20   DELTA EXPLORATION 1   E R I 11  
COLLIER 17   CROWN CENTRAL 110   DELTA GULF 24   E S B E 1  
COLLINS 43   CRUDE OIL 1   DELTA PETROLEUM 2   E-COR 3  
COLLOM 1   CRUMP 3   DELTA US 1   E-G JOINT VENTURE 6  
COLO 1   CRUTCHER 1   DENALI 5   EADS 20  
COLOBRI 2   CRUTCHFIELD 1   DENISON 1   EAGLE 29  
COLOGNE 40   CRUX 3   DENMAN 6   EAGLEFORD HUNTER RESOURCES 1  
COLOMA 59   CRYSTAL 41   DENNIS 11   EARTH SCIENCES 6  
COLONIAL 2   CUATRO 1   DENOVO 4   EASLEY 1  
COLONNADE 1   CUDE 21   DENTLER 1   EASON 9  
COLORADO 57   CUELLAR 11   DENTON 1   EAST SIDE 2  
COLSON 2   CUERO 1   DENVER AMERICAN 3   EAST WEST INVESTMENT 1  
COLT 2   CULLEN 30   DEROSSETT 5   EASTERN ENERGY 1  
COLTON 31   CULLINAN 5   DESANA 1   EASTERN GAS 12  
COLUMBIA 46   CULOCO 1   DESCO 1   EASTERN OIL 2  
COLUMBIAN 3   CULTON 16   DEVELOPMENT 1   EASTERN STATES 6  
COLUMBUS 38   CULVER 1   DEVEX 1   EASTERN TEXAS 3  
COLVIN 4   CUMEX 2   DEVINE 5   EASTERWOOD 21  
COMANCHE 17   CUMMINGS 11   DEVON 53   EATON 7  
COMBINED AMERICA 1   CUMMINS 78   DEVONIAN 3   EBERT 2  
COMBINED PRODUCING 1   CUMMINS & WALKER 144   DEWALT 3   ECA HOLDINGS 1  
COMBUSTION PRODUCTS 7   CUNNINGHAM 45   DEWBRE 127   ECHO 2  
COMCO-CENTURION 1   CURRAN 1   DEWITT OIL & GAS 3   ECHOLS 52  
COMETRA 22   CURREY 3   DIADEM 1   ECKERT 7  
COMMERCE 2   CURRY 6   DIAMEX 8   ECKOLS 2  
COMMERCIAL 53   CUSACK 1   DIAMOND 42   ECLETO 1  
COMMONWEALTH 15   CUTBIRTH 17   DIAMOND HALF 1   EDCO 9  
COMPASS 2   CXY ENERGY 1   DIAMOND SHAMROCK 4   EDDY 35  
COMPLETE OIL 4   CYCLOPS 2   DIASU 3   EDEN OIL 2  
COMSTOCK 24   CYPRESS E & P 6   DICE 2   EDGAR 13  
CON-TEX OIL 1   CYPRUS 24   DICK 39   EDGE 125  
CONCHO 11   CZAR 11   DICKSON 1   EDGE PETROLEUM 2  
CONCORD 13   D & D 8   DIETERT 4   EDINBURG 1  
CONDRY 2   D & G 54   DIFFERENTIAL 1   EDISTO 1  
CONE 1   D & M 1   DILLARD 27   EDMISTON 4  
CONES 3   D A R T 5   DILLEY 45   EDMONT 1  
CONFEDERATE 10   D B O 5   DILLON 69   EDWARDS 71  
CONLEY 3   D C B OIL & GAS 1   DINERO 126   EGAN 37  
CONN 1   D D D ENERGY 1   DINN 1   EHMAN 1  
CONNER 1   D D G 31   DIRKS 105   EI-FEL 1  
CONOCO 378   D D OIL 1   DIRNETT 2   EICHER 6  
CONQUEST 20   D J EXPLORATION 1   DISCORBIS 47   EILAND 1  
CONROE 80   D K D 4   DISCOVERY 24   EKO 1  
CONROY 1   D K G 11   DISHMAN 3   EL CAMINO 1  
CONSERVATIVE OIL 16   D L B 1   DIVERSA 16   EL CHORRO 3  
CONSOLIDATED 131   D M C 1   DIXEL 15   EL DORADO 26  
CONSTANTIN 1   D M L 4   DIXIE 19   EL INDIO 2  
CONTINENTAL 1415   D R S 4   DIXILYN 2   EL PASO 168  
CONTINENTAL TREND RESOURCES 14   D S M OIL 2   DIXON 30   EL REGALO 3  
CONTRACT ENERGY 1   D V OIL 1   DOBBINS 3   EL REY PETROLEUM 2  
CONVEST 78   D Y EXPLORATION 7   DODGEN 1   EL RIO 1  
CONWAY 4   D'UNGER 5   DOHERTY 1   EL-TEX 3  
COOK 18   DABNEY 1   DOLCH 10   ELAM 2  
COOKE 2   DADE 1   DOLPHIN 2   ELAND 1  
COOLEY 1   DAHCO 1   DOME 1   ELEANOR OIL 1  
COON 13   DAIGEL 1   DOMESTIC FUELS 1   ELECTROSEIS 2  
COON-MURPHY 1   DAKAMONT 7   DOMINION 85   ELECTROTHERMIC 9  
COONRAD 5   DAL-LONG 6   DONICO 5   ELF AQUITAINE 4  
COOPER 7   DALE 55   DONKIN 2   ELINOR OIL 1  
COPANO 25   DALECO 24   DONZIS 2   ELLEDGE 2  
COPETCO 3   DALEX 3   DOOLEY 1   ELLIOTT 12  
COQUAT 132   DALLAS 11   DORADO 1   ELLISON 2  
COQUINA 22   DALPORT 23   DORAN 49   ELLOCO 1  
CORAL 12   DAMSON 41   DORCHESTER 33   ELLSTROM 1  
CORDA 1   DANCIGER 29   DORFMAN 1   ELLSWORTH 114  
CORDELE 19   DANCO 1   DORRANCE 10   ELMAX 1  
CORDELL 2   DANE 2   DORRIS 3   ELMER 1  
CORDER 1   DANIEL 18   DORSEY 1   ELMONT 1  
CORDER, KNOX 3   DANIELS 3   DOSS 2   ELMS 3  
CORE E & P CORP 2   DANIELSON 6   DOUBLE EAGLE 36   ELTOBILT 1  
CORE EXPLORATION 3   DANMOR 1   DOUBLE J 2   ELWOOD 1  
CORENERGY 16   DANOIL 3   DOUBLE PLAY 21   ELY 2  
CORGEY 38   DANREY 5   DOUBLE S 1   EMINENT 2  
CORKILL 1   DANSFIELL 26   DOUBLE U 30   EMPIRE 5  
CORLEY 17   DANT 2   DOUGHERTY 110   EMRY 1  
CORNELIUS 1   DANTEX 11   DOUGHTY 45   ENCANA 1  
CORNELL 3   DANZIGER 1   DOUGLAS 123   ENCINO 20  
CORNERSTONE 2   DARBY 14   DOVRE 2   ENCINO ENERGY 1  
CORNING 7   DARCY 3   DOW CHEMICALS 125   ENCO EXPLORATION 81  
CORONADO 72   DARNER 11   DOWNEY 1   ENCON 5  
CORPENING 15   DARROH 2   DOWNING 12   ENDEAVOR 1  
CORPUS CHRISTI CORPORATION 13   DARSEY 8   DOYLE 5   ENDEAVOUR 6  
CORPUS CHRISTI DRILLING 1   DASA 13   DOYNO 2   ENDERLI 1  
CORPUS CHRISTI EXPLORATION 5   DASBECK 1   DR. MC 1   ENDICOTT 3  
CORPUS CHRISTI LEASEHOLDS 13   DASH 9   DR. PEPPER BOTTLING CO. 1   ENDREX 4  
CORPUS CHRISTI MANAGEMENT 43   DASKAM 2   DRAKE 5   ENDURING 10  
CORPUS CHRISTI OIL & GAS 206   DAUBERT 196   DRAPER 14   ENDURO 1  
CORPUS CHRISTI REFINING 5   DAUBES 2   DREXEL 9   ENERCO 4  
CORRON 1   DAUCHY 50   DREYFUS 4   ENERCORP 5  
CORRUM 1   DAUGHERTY 7   DRILLCO 3   ENERGETICS 56  
CORSICANA 1   DAUNTLAS 2   DRILLERS ENERGY 37   ENERGEX 2  
CORUM 31   DAVACO 1   DRILLING & EXPLORATION 40   ENERGO 1  
CORY 2   DAVENPORT 36   DRILLMAR 1   ENERGY 44  
CORZELIUS 2   DAVES 1   DRISCOLL 32   ENERGY DEVELOPMENT 86  
COSDEN PETROLEUM 31   DAVIDOR 20   DRIVER 3   ENERGY ENTERPRISES 6  
COSEKA 1   DAVIDSON 15   DRYER 1   ENERGY EQUITY 1  
COSMO 6   DAVIE 1   DUAL 1   ENERGY EXPLORATION 1  
COSNER 11   DAVIES 1   DUDLEY 1   ENERGY HUNTER 1  
COSTA 4   DAVIS 379   DUER-WAGNER 2   ENERGY INTERNATIONAL 4  
COSTILLA 20   DAVMOR 1   DUFF 1   ENERGY INVESTMENTS 6  
COTTON 104   DAVOIL 1   DUGGER 68   ENERGY PROJECTS 2  
COTTONWOOD 33   DAWSON 52   DUKE 2   ENERGY RESERVES GROUP 26  
COUCH 4   DAY 1   DULANEY 124   ENERGY RESOURCES 9  
COUGAR 6   DAYVAULT 1   DULCE OIL 3   ENERGY SEARCH 3  
COWAN 1   DE SHANE 1   DULUP 17   ENERGY SOURCES 7  
COWANCO 6   DEAN 16   DUNBAR 5   ENERGY TREATING 1  
COWELL 1   DeARMON 1   DUNCAN 18   ENERGY UNLIMITED 5  
COX 902   DEBROW 1   DUNHAM 4   ENERQUEST 9  
COYLE 10   DECKER 34   DUNHILL 3   ENEX 2  
COYOTE TRUST 1   DECLEVA 6   DUNLAP 23   ENEXCO 5  
CRAIG 3   DEEP ROCK 34   DUNN 3   ENGELKE 93  
CRAMPTON 1   DEEP SOUTH 6   DUNNAM 2   ENGEO 85  
CRANFILL 2   DEERING 1   DUNWOODY 16   ENGLAND 1  
CRAWFORD 19   DEETER 20   DUPONT 3   ENGLE 1  
CREDO 1   DeGRAZIER 2   DUQUESNE 1   ENGLISH 1  
CREECH 1   DeGUIRE 8   DURANGO 3   ENHANCED ENERGY 1  
CREEK OIL 1   DEICO 1   DURBIN BOND 6   ENI EXPLORATION 2  
CREIGHTON 3   DEKALB ENERGY 9   DURBIN OIL 2   ENRE 22  
CRESCENT 30   DEL MAR 24   DURHAM 2   ENRON 390  
CRESLENN 6   DEL PETROLEUM 6   DURST 8    
CREST 38   DELANEY 1   DUTY TOOL 3    
CREST ENERGY 1   DELANGE 268   DUVACO 1    
CRESTMONT 1   DELANO 1   DUVAL COUNTY RANCH CO. 66    
CREWS 20   DELAWARE 3   DUVAL OIL 45    
CRICKET 4   DELCAR 13   DUVAL PRODUCTION 11    
Operators(542): ENSCO - GULF STATES
Operator Count   Operator Count   Operator Count   Operator Count  
ENSCO 1   FINA 130   G M T 1   GLENORA 4  
ENSEARCH 1   FINCH 2   G S I 2   GLENWAR 2  
ENSERCH 54   FINDER 1   G W R 2   GLO CO. 1  
ENSIGN 1   FINE 1   GABRIEL 2   GLOBAL 8  
ENSOURCE 1   FINGER 23   GAEA 1   GLOBE OPERATING CO. 8  
ENSTAR 10   FINLEY 12   GAELIC 2   GLOVER 1  
ENTERPRISE 28   FINNEY 4   GAGE 1   GLYNN-THOMPSON 1  
ENTERPRISES 2   FIRST ARANSAS 1   GAINCO 12   GO ENERGY 3  
ENTEX 19   FIRST ENERGY 11   GAINES 10   GO OIL 1  
ENTRUST 1   FIRST MATAGORDA 5   GAITHER 11   GO-ENERGY 1  
EPPLER 1   FIRST OIL 1   GALATIA 2   GO-ENERGY 3  
EQUINOX 1   FIRST ROCK 7   GALAXY 175   GO-TEX 8  
EQUITABLE 12   FIRST UNITED 2   GALLAHER 7   GODBOUT 1  
EQUITX 7   FIRSTRIKE ENERGY 13   GALLO DE CRISTAL 1   GODSEY 11  
EQUITY 7   FISCHER 79   GALLOWAY 1   GOERNER 1  
ERIN SOUTHWEST 1   FISH 5   GALO ENERGY 6   GOETZ 8  
ERNEST 6   FISHER 24   GALT 1   GOFORTH 2  
ERSKINE 22   FISHER-WEBB 26   GALVEZ 1   GOHLKE 3  
ERWIN 1   FITE 1   GAMBLE 6   GOHLKE-BENGE 1  
ESCOBA 1   FITTIPALDO 1   GAMMA RESOURCES 3   GOLDEN 38  
ESCONDIDO 5   FITZGERALD 9   GAMMETER 1   GOLDING 3  
ESENJAY 338   FITZPATRICK 67   GAR 3   GOLDKING 245  
ESGEN 2   FIVE RESOURCES 6   GAR-FLO 1   GOLDMAN 1  
ESPADA 4   FLAG-REDFERN 24   GARCIA 1   GOLDRUS 23  
ESPERANZA 6   FLAITZ 60   GARDESCU 1   GOLDSMITH 6  
ESTES 2   FLAMINGO 13   GARDNER 36   GOLDSTON 243  
ESUNAS 5   FLANAGAN 2   GARLAND 2   GOLDSTRAND 1  
ESVES 1   FLARE 2   GARLITZ 4   GOLIAD 34  
ETHREDGE 2   FLASKE 1   GARNER 1   GOLSON 1  
ETHYL 13   FLEET 2   GARNETT 6   GOMA 2  
ETOCO 13   FLEMING 1   GARR 2   GOOD DAY 8  
EUBANK 4   FLETCHER 7   GARRETT 8   GOOD HOPE 147  
EUBANKS 3   FLO-TEX 1   GARRISON 12   GOODALE 22  
EUGENE 9   FLOBOOTS 4   GARVEY 8   GOODELL 4  
EURA B. OIL 1   FLORENCE 3   GARVIN 1   GOODHUE 1  
EURATEX 2   FLORIDA 24   GARY 1   GOODRICH 14  
EUREKA 1   FLOUR BLUFF 2   GAS 2   GOODWIN 1  
EURO 1   FLOURNOY 235   GAS PRODUCING ENTERPRISES 55   GORDEN 1  
EUROPEAN 19   FLOWERS 23   GAS ROCK 5   GORDON 12  
EVANS 56   FLOYD 2   GASAWAY 1   GORMAN 330  
EVANTECH 1   FLUSS 1   GASOLINE PRODUCTION 139   GORUM 6  
EVCO 7   FLY 70   GASPAR RICE 2   GOSE 143  
EVERBRIGHT 8   FLYING DIAMOND 2   GASPER RICE 36   GOTTLIEB 2  
EVEREST 101   FLYING W 1   GASROCK 3   GOUGER 11  
EVERGREEN 23   FLYNN 19   GASTEX 1   GOULD 1  
EVERS 1   FOHS 13   GASTRANS 7   GOVERNMENT WELLS 24  
EVERSOLE 1   FOHS & FOHS 1   GATES 2   GRABOWSKI 5  
EWING 4   FOLWELL 3   GATHINGS 36   GRACE 72  
EXCALIBUR 3   FONTANA 10   GATO 2   GRACEY 1  
EXCELSIOR 6   FORAN 3   GAUNTT 3   GRAGG 2  
EXETER OIL 17   FORBES 2   GAUTREAUX 1   GRAHAM 390  
EXP 1   FORCE 4 ENERGY 1   GAYLE 1   GRAMAC 1  
EXPANDO 68   FORCENERGY 2   GEDDIE 4   GRAMMAR 1  
EXPEX 1   FORD 121   GEE 1   GRAND OPERATING 1  
EXPLORATION 34   FOREE 4   GEER 2   GRANDE 16  
EXPLORATION DRILLING 1   FORES 1   GEIER-JACKSON 2   GRANDIN 1  
EXPLORATION INVESTMENTS 1   FOREST 381   GEISE 3   GRANITE 4  
EXPLORATION, LTD 1   FORESTER 5   GEISELMAN 15   GRANT 7  
EXPLORECO ENERGY 2   FORETICH 1   GEISER 59   GRARIDGE 23  
EXPLORER 1   FORGOTSON 1   GEM 8   GRASTY 2  
EXPORT 12   FORMAN 2   GEMACA 1   GRAVIS 59  
EXPRESS 4   FORNEY 244   GEMARMI 3   GRAWARD 1  
EXPRO 1   FORSMAN 1   GEMINI 9   GRAY 40  
EXSUN 32   FORT APACHE 1   GENERAL AMERICAN OIL 18   GRAY WOLFE 2  
EXTEX 1   FORT BEND 16   GENERAL ATLANTIC 1   GRAYBURG 6  
EXXETER PETROLEUM 22   FORT WORTH 1   GENERAL CRUDE 261   GREAT BASINS 13  
EXXON 2432   FORTENBERRY 6   GENERAL PETROLEUM 2   GREAT EXPECTATION 2  
EZZELL 14   FORTRESS MINERALS 4   GENERAL PROD. 7   GREAT LAKES 29  
F & B ENERGY 2   FORTSON 1   GENERAL WELL 3   GREAT NATIONAL 1  
F C D 3   FORTUNE 1   GENESIS 138   GREAT PLAINS 6  
F F A 2   FOSS 2   GEO ENERGY 5   GREAT SOUTHERN 2  
F G B 2   FOSSIL BAY 5   GEO EXPLORATION 3   GREAT SOUTHWEST 1  
F-W OIL 1   FOSSIL EXPLORATION 19   GEO FOCUS 1   GREAT SOUTHWESTERN 1  
FAGAN 5   FOSTER 15   GEO NATURAL 2   GREAT STATES 3  
FAGIN 1   FOUCH 1   GEO-REEF 2   GREAT TEXAS 5  
FAIN 9   FOUNDATION OIL 2   GEO-SOURCE 1   GREAT TEXAS CRUDE 24  
FAIR 199   FOUNTAIN 8   GEOCHEMICAL 66   GREAT WEST PET. 4  
FAIRVIEW 1   FOUR STAR 1   GEODE 4   GREAT WESTERN 15  
FAIRWAY 9   FOUR-B TRUST 29   GEODOMINION PETROLEUM 43   GREATHOUSE 2  
FAITH 1   FOURTEEN-HUNDRED CORPORATION 1   GEODYNAMICS 72   GREBIN 1  
FALCO 2   FOWELL 1   GEOGRAPHIC 1   GREEHEY 3  
FALCON 57   FOWLER 1   GEOLOGICAL RESEARCH 21   GREEN 11  
FALCONE 1   FOX 77   GEONATURAL RESOURCES 8   GREENBRIAR 1  
FALLEY 5   FOXBOROUGH 2   GEOPHYSICAL 10   GREENBRIER 59  
FALLS 1   FRANCIS 5   GEORGE 8   GREENHILL 5  
FALLS CITY 1   FRANCITAS 13   GEOSEARCH 5   GREENWOOD 2  
FAMCOR 10   FRANK 1   GEOSOUTHERN 7   GREER 8  
FANCHER 3   FRANKE 2   GEOTEK 1   GREGG 50  
FANION 2   FRANKEL 14   GERALD 2   GRELLING 16  
FANSLER 1   FRANKFORT 15   GERKER 1   GRETA 6  
FANT 1   FRANKLIN 26   GERMANY 1   GREY WOLF 6  
FAR 3   FRANKS 1   GERNER 1   GRIFFIN 5  
FAR WEST 3   FRANQUES & MOSES 2   GERODETTI 1   GRIFFITH 7  
FARAGSON 1   FRANZ 3   GERONIMO 40   GRIMES 13  
FARENTHOLD 33   FRASER 7   GERTEX 1   GRIMM 6  
FARGASON 6   FRAZER 2   GES 5   GRISHAM 1  
FARGO 34   FRAZIER 76   GETTY 274   GRISINGER 1  
FARISH 3   FREDONIA 2   GIBLIN 1   GROFF 1  
FARMERS 1   FREEDMAN 11   GIBRALTAR 17   GROUP 9  
FARMOR 2   FREEMAN 48   GIBSON 21   GROVER 2  
FARNEY 1   FREEPORT 1   GIDDENS 1   GROVER-MCKINNEY 1  
FARNSWORTH 3   FREER 3   GIDEON 2   GRUBB 48  
FARROW 1   FREMONT 10   GIEBEL 2   GRUBBS 1  
FARSON 1   FRENCH OIL 29   GIERHART 38   GRUBSTAKE 1  
FASELER 1   FRENCH, L.D. 1   GIFFORD 8   GRUSS 2  
FASKEN 8   FRESNO 1   GILBERT 1   GRUY 18  
FASSY 1   FRIDAY 5   GILBREATH 2   GUADALUPE 21  
FAULK 3   FRIO 116   GILCHRIST 1   GUARANTY 3  
FAYE 1   FRIO-TEX 65   GILCREASE 85   GUARDIAN 25  
FAYETTE COUNTY 4   FROHNHOEFER 8   GILGER 12   GUENTHER 2  
FEAGIN 3   FRONTIER PETROLEUM 17   GILL 30   GUERNSEY 20  
FEAZEL 1   FROST 62   GILLAND 1   GUEST 4  
FECH 1   FRYER 1   GILLESPIE 38   GUFFEY 3  
FEDERAL INDUSTRIES 1   FULK 2   GILLEY 1   GUIBERSON 2  
FEDERAL OIL 1   FULLER 55   GILLIAM 1   GUILBAULT 1  
FEDERAL ROYALTY 14   FULLERTON 5   GILLILAND 1   GUINN 2  
FEE OIL & GAS 1   FULTON 4   GILLOCK 1   GULF AMERICAN 16  
FEHLHABER 1   FUNDAMENTAL OIL 3   GILLRING 108   GULF BOARD OIL 22  
FELAND 3   FURNELL 1   GILMORE 1   GULF CANADA 4  
FELDERHOFF 7   FURSE 1   GILSTER 2   GULF COAST 140  
FELDMAN 20   FUSON 1   GINCO 4   GULF ENERGY 93  
FELMONT 10   FUTCH 1   GINGER 3   GULF INTERSTATE 11  
FELTNER 5   FUTURE EXPLORATION 10   GINTHER 168   GULF LAKES 1  
FENDER 9   FUTURE PETROLEUM 4   GISSEL 1   GULF MINERALS 38  
FENN 16   G & H 2   GIST 2   GULF OIL 713  
FENNER 1   G & M 3   GIVENS 1   GULF PLAINS 29  
FENSTERMAKER 1   G & P 5   GLACIER 85   GULF PROD. 8  
FERGUSON 61   G & S 1   GLASCO 2   GULF RESOURCES 3  
FERRIER 4   G A P 5   GLASS 1   GULF SANDS 127  
FIDELITY 112   G A S 11   GLASSCOCK 363   GULF SOUTH 12  
FIELD 9   G C E A 5   GLASSEL 3   GULF STATES 49  
FIELD DRILLING 2   G D ENERGY 1   GLAZIER 1    
FIELDS 13   G D K 3   GLENCO 13    
FIFTEEN 2   G E C 3   GLENDA 11    
FIFTH ANDREWS 1   G H J 4   GLENN 23    
FIKES 3   G H R 50   GLENN & ASSOCIATES 5    
FILON 12   G L G ENERGY 9   GLENNCO 5    
Operators(542): GULF STREAM - K R M
Operator Count   Operator Count   Operator Count   Operator Count  
GULF STREAM 12   HAWK 1   HOOKS 2   INTERCOASTAL 30  
GULF TIDE 1   HAWKEYE 2   HOOPER 3   INTERCONTINENTAL 3  
GULFBOARD 2   HAWKINS 115   HOOVER 39   INTERGRATED 1  
GULFCO 1   HAWLEY 76   HOPE 31   INTERNATIONAL 15  
GULFPORT 2   HAWN 311   HOPE HILL 1   INTERNATIONAL NUCLEAR 14  
GULFSHORE 19   HAWORTH 2   HOPE PRODUCTION 1   INTERNATIONAL OIL & GAS 14  
GULFSIDE 1   HAWTHORN 15   HOPEHILL 7   INTERNATIONAL WESTERN 3  
GULFSTAR 22   HAWTHORNE 6   HOPF 1   INTERSTATE MINERALS 10  
GULFSTREAM 25   HAYDEN 11   HOPI 3   INTEX 6  
GULFTON OIL 1   HAYES 10   HOPPER 1   INTRAMERICAN 11  
GUM HOLLOW 1   HAYNES 87   HOPSON 10   INTREPID 6  
GURLEY 2   HAYNESWORTH 1   HORIZON 6   INVESTEX 1  
GUTHRIE 3   HAYPEC 7   HORMACHEA 1   INVESTMENT VENTURES 3  
GUTIERREZ 11   HAYS 20   HORN 100   INVESTORS NATURAL GAS 1  
GYPSY 1   HAZEL 2   HORNADAY 2   INVESTORS SYNDICATE OF SOUTHWEST 8  
H & H 3   HAZELETT 4   HORNBECK 2   INVINCIBLE 1  
H & H DEVELOPMENT 1   HAZLITT 1   HORNBERGER 5   IOWA-PAYNE 1  
H & H DRILLING 2   HEAD 6   HORNE 3   IRBY 3  
H & J DRILLING 263   HEAD & WELSH 34   HORNER 2   IRENE 4  
H & M 5   HEADINGTON 57   HORNSBY 1   IRISH OIL 8  
H & N 2   HEADWATERS 2   HORRIGAN 4   IRVING 7  
H & R 1   HEARD 27   HORSTING 3   IRWIN 9  
H & S 10   HEARTLAND 4   HORTON 2   ISBELL 1  
H & W 7   HEBERT 5   HORVATH MILLS 1   IVEY TERRY 1  
H A J J 7   HECAR 1   HOSKINS 15   IVY 3  
H C M 2   HEDGE 23   HOTCHKIN 19   J & C 59  
H C W 3   HEDLEY 11   HOU-TEX 16   J & D 2  
H D & H 4   HEDRICK 5   HOUCHINS 1   J & E 1  
H D C 1   HEEMANN 1   HOUGEN 1   J & J 1  
H E & D 1   HEEP OIL 177   HOUGH 7   J & M WELL SERVICE 14  
H E A 1   HEID 7   HOUSE 1   J & W OIL 1  
H E C I 13   HEINZE 2   HOUSER 27   J A H 69  
H G I 3   HELDENFELS 14   HOUSH 29   J B H 1  
H L B 1   HELIS 6   HOUSTON 11   J B OIL & GAS 1  
H M C 1   HELLAND 37   HOUSTON DOMESTIC 4   J F D 3  
H M S 5   HELMERICH 7   HOUSTON DRILLING 4   J H 1  
H N G 191   HELVETIA 2   HOUSTON ENERGY 3   J H I 1  
H O R 1   HEMINGWAY 10   HOUSTON EXPLORATION 43   J I L 5  
H P R 1   HEMPHILL 1   HOUSTON GULF 53   J J 1  
H R B OIL 2   HENDERSON 24   HOUSTON INDEPENDENT 1   J J R S 1  
H R H 3   HENDRICKSON 2   HOUSTON MINERAL 10   J L RESOURCES 2  
H S RESOURCES 4   HENNA 1   HOUSTON NATURAL GAS 113   J M C RESOURCES 2  
H T H 1   HENNIG 4   HOUSTON OIL 416   J M G FINANCIAL 1  
H V DRILLING 1   HENNINGER 1   HOUSTON OIL & MINERALS 141   J M M ENERGY 3  
H-M OIL 156   HENRY 30   HOUSTON OIL FIELDS 6   J O C OIL 1  
HAAS 205   HENSCH 2   HOUSTON OIL WELL SERVICE 7   J R B 1  
HABER 24   HENSHAW 145   HOUSTON OPERATING 3   J R G 24  
HABERLE 3   HENSON 5   HOUSTON PETROLEUM 24   J R OIL & GAS 1  
HADA 81   HERCULES 8   HOUSTON ROYALTY 33   J S & P OPERATING 1  
HADEN 2   HERD 2   HOWARD 41   J S PETROLEUM 2  
HAGAN 6   HERITAGE 14   HOWELL 715   J T R 3  
HAGEN 40   HERLION 7   HOWETH 154   J W P EXPLORATION 2  
HAGEN-GREENBRIAR 1   HERNDEN 3   HOXSEY 14   J W R 12  
HAGENS 11   HERNDON 16   HRBUTZ 1   J-3 OIL 53  
HAGGARD 1   HERRING 28   HUB CITY 1   J-O'B OPERATING 5  
HAGGARTY 1   HERRINGTON 8   HUBBARD 4   J-W 41  
HAIL 5   HERRMANN 1   HUBBLE 10   J-WIL 2  
HAILEY 14   HERSCHAP 7   HUBCO 2   J.A.H 1  
HAJECATE 3   HERSCHBERGER 1   HUBER 94   JACKSON 22  
HALAMICEK 6   HERTON 1   HUBER, J.H. 1   JACOB 1  
HALBOUTY 145   HERZSTEIN 1   HUBER, J.M. 9   JACOBS 14  
HALL 4   HESTER 11   HUDDLE 10   JAD OIL 2  
HALL-HOUSTON 9   HETCO 6   HUDGENS 4   JADE 6  
HALLIBURTON 7   HEWIT & DOUGHERTY 281   HUDGINS 13   JAMES ENERGY 1  
HALLMARK 5   HEWITT 49   HUDSON 22   JAMESON 2  
HALLS CREEK 1   HEYNE 1   HUENERS 1   JAMEX 60  
HALLWOOD 5   HEYSER 9   HUFF 2   JAMIN 15  
HAMBLEN 1   HIAWATHA 230   HUFFCO 22   JANAN 10  
HAMBY 2   HIAWATHA(HOLLIDAY) 2   HUFFINGTON 18   JANCO 2  
HAMCO 3   HIBBERT 18   HUFFMAN 1   JANE OIL 1  
HAMILL 214   HIBERNIA 1   HUGHES 912   JANEX 2  
HAMILTON 87   HICKEY 1   HUGHEY 6   JARBE 1  
HAMM 6   HICKOK 30   HUISACHE 109   JARMAN 1  
HAMMAN 142   HICKS 10   HULSEY 5   JARMON 1  
HAMMAX 1   HIDALGO 3   HULVER 2   JARRELL 3  
HAMMER 2   HIDALGO-WILLACY 3   HUMBLE 6226   JAY-DEE 21  
HAMMONDS 20   HIGGINS 3   HUMPHERY 8   JAY-LIN 6  
HAMON 323   HIGH ISLAND 6   HUMPHREY 1   JAYCO 3  
HAMPTON 3   HIGH PLAINS 10   HUMPHRIES 16   JAYRED 2  
HANCO OIL & GAS 1   HIGHLAND OIL 77   HUNDRED 2   JEDCO 5  
HANCOCK 8   HIGHLAND RESOURCES 18   HUNE 1   JEDSCO 1  
HANCORP 1   HILBURN 2   HUNT 494   JEFFERS 1  
HAND 3   HILCORP 26   HUNT HASSIE EXPL. 1   JEFFERSON LAKE 25  
HANEY 1   HILL 230   HUNTER 31   JEFFRIES 1  
HANKAMER 69   HILLCREST 26   HUNTINGTON 6   JENKINS 4  
HANKEY 6   HILLIARD 56   HURBROUGH 8   JENNEY 3  
HANNA 1   HILLIER 60   HURD 77   JENNINGS 98  
HANNAH 2   HILLIN 1   HURLBUT 22   JERCO 2  
HANOVER 15   HILLMAN 2   HURLEY 4   JERGINS 87  
HANSLIP 5   HILLSMAN 20   HURT 3   JERGINS OF TEXAS 5  
HANSON 395   HILLSMAN-GREENBURG 1   HUSKY 23   JET 7  
HANTHO-NELSON 1   HILTY 19   HUTCHINS 15   JETCO 1  
HANTON 1   HIME 1   HUTSON 1   JETSTREAM 1  
HARBERT 1   HINDS 5   HYDEN 3   JETTA 1  
HARBOR 1   HINER 3   HYDRO-CARBONS 11   JILPETCO 1  
HARDIE 1   HINES 4   HYDROCARBON EXPLORATION 1   JIMCO 1  
HARDIN 13   HINKLE 25   HYDROCARBON GATHERING 14   JOBST 4  
HARDING 17   HINSON 18   HYDROCARBON HORIZONS 9   JOCELYN 2  
HARDWICK 29   HINTON 16   HYDROCARBON MGMT. 1   JOCELYN-VARN 58  
HARDWICKE 10   HISTORICAL 2   HYDROCARBON OPERATING 6   JOHANSON 2  
HARDY 1   HIXON 2   HYDROCARBON PROD 2   JOHNSON 115  
HARGEST 3   HOBBY 4   HYDROCARBON PROD. 17   JOHNSTON 31  
HARGIS 9   HOBLITTZELLE 1   HYDROCARBON TRANSMISSION 1   JOJON 1  
HARGRAVE 28   HOBLITZELLE 1   HYLAND 1   JOLLEY 1  
HARGROVE 4   HOBSCO 3   HYNES 15   JONES 161  
HARING 131   HODGE 9   HYQUEST 68   JONES CREEK 1  
HARKEN 8   HODGES 1   HYSO 1   JONNELL 25  
HARKINS 593   HOFFER 5   HYTECH 13   JORDAN 14  
HARLEY 3   HOFFMAN 1   I M C 4   JOSEY 59  
HARMON 1   HOFHEINZ 1   I M E F 1   JOYCE 2  
HARMONY 5   HOGAN 5   I O C 8   JOYCE & HILTY 16  
HARPER 44   HOLBERT 1   I O G 2   JUANITA 1  
HARPER HEFTE 44   HOLBROOK 6   I P PETROLEUM 9   JUDARTH 2  
HARPER, SAM H. 1   HOLCOMB 1   I T R 2   JUDD 3  
HARPER-SMITH 28   HOLDEN 22   IBERIA 1   JUPITER 15  
HARRELL 51   HOLEMAN 1   ICARUS 6   JUSTISS-WEARS 1  
HARRELL & SOUTHWORTH 15   HOLIDAY RESOURCES 13   IDAHO 3   K & A 21  
HARRINGTON 2   HOLLAND 93   ILLINOIS PETROLEUM 26   K & H 55  
HARRIS 21   HOLLIDAY 7   IMPACT 1   K & K 2  
HARRIS-FUNK 1   HOLLIMON 60   IMPERIAL 15   K & N 1  
HARRISON 206   HOLLIS 2   INCA 22   K & S 2  
HARRISON, DAN J., JR. 7   HOLLOWAY 53   INCO 1   K B 35  
HARROB 1   HOLLUB 26   INDEPENDENCE 2   K C 1  
HARROUN 2   HOLLY 68   INDEPENDENT 22   K C S 36  
HARRUS 6   HOLMES 55   INDEXGEO 41   K D ENERGY 1  
HART 20   HOLOTIK 2   INDIOLA 2   K L S 1  
HARTEX 1   HOLT 2   INDUSTRIAL 16   K M D 2  
HARTMAN 1   HOLTZCLAW 1   INEXCO OIL 92   K O G OPERATING 24  
HARVARD 2   HOMA 4   INGRAM 1   K O T 1  
HARVEY 47   HOMABY 7   INLAND 40   K P EXPLORATION 13  
HARWOOD 48   HOME 22   INLAND EXPLORATION 1   K R M 18  
HASBRO 1   HONCHO 8   INLAND OCEAN 52    
HASCHKE 4   HONDO 2   INLAND PETROLEUM 2    
HASEMAN 1   HONOLULU 1   INMAN 1    
HASSELMAN 1   HONOR 2   INTEGRAL 101    
HAUSER 15   HOOD 2   INTEGRATED OPERATOR 3    
HAVENS 1   HOOKER 2   INTER-ALLIED 1    
Operators(542): K T X - MARMADUKE
Operator Count   Operator Count   Operator Count   Operator Count  
K T X 4   KRENEK 2   LEEDE 7   LYNBROOK 4  
K W B 1   KRESCENT 1   LEFEVRE 6   LYNCH 34  
K-2 1   KRITI 1   LEGACY 61   LYNCO 3  
K-N OPERATING 6   KRUEGER 1   LEGEND 12   LYND 14  
KA-HUGH 24   KRUIDENIER 1   LEGER 11   LYNDEL 1  
KA-MATT 3   KRUSEN 1   LEHMERTZ 1   LYNN 8  
KADANE 2   KRYSTAL-LIN 1   LEMARCO 17   LYNNBROOK 1  
KAISER OIL 13   KUBELA 1   LENSGRAF 1   LYNTON 1  
KAISER-FRANCIS 29   KUEBLER 1   LENT 1   LYNX 5  
KALER ENERGY 71   KUENSTLER 8   LEONA 1   LYONS 50  
KALLIES 1   KUHNS 3   LEONARD 18   LYTLE CREEK 5  
KALLINA 45   KUMLER 11   LEONE 2   M & B 6  
KALON 1   KUNETKA 1   LEPOVITZ 1   M & F D C 1  
KALSEA 1   KUYPCO 2   LERN 2   M & G OPERATING 5  
KAMLOK 11   KUYPERS 13   LES TEXAS 3   M & R EXPLORATION 1  
KANE 3   KYLE 1   LESH 9   M & S 1  
KANEB 2   L & A ENERGY 4   LESKO 1   M & W 15  
KANELLOS 1   L & B OIL 12   LESS 1   M C A 20  
KANSAS 1   L & F 11   LEUSCHNER 1   M C O R 7  
KARBUHN 2   L & L PETROLEUM 76   LEVERIDGE 6   M C OIL 9  
KARCHER 2   L & M 1   LEVINSON 1   M C S 2  
KARNCO 5   L & T 1   LEVY 1   M C Z 10  
KARNES 4   L & W 2   LEWIS 197   M G EXP 8  
KARSTEN 76   L B N 3   LEWIS PETRO 16   M G F 60  
KASAN 2   L C R A 8   LEXINGTON 2   M G GAS 1  
KATE 1   L G D C 7   LEY 13   M G U 2  
KATZ 293   L G J 6   LIBERTY 23   M H 2  
KAULBACH 9   L L T 1   LICO 2   M IV OPS 2  
KAYE 3   L M N 5   LIEBMAN-GIBSON 2   M J G 40  
KAYLIN 1   L M P 8   LIFESTYLE 19   M J M 1  
KEAHEY 10   L N R 1   LIGHT 3   M K 24  
KEARNEY 1   L R F 1   LIGHTHOUSE 15   M K N 4  
KEATOR 1   L TEXAS 37   LIGHTNING 69   M L 1  
KEBO 182   L V O 1   Lignite 1   M L C 1  
KECK 4   L X EXPLORATION 1   LILES 1   M L RESOURCES 5  
KEEHAN 2   LA CAMPBELL 3   LIMES 3   M M C 2  
KEEL 1   LA COASTAL 24   LIMESTONE 3   M P G 12  
KEELS 1   LA GLORIA 293   LINCOLN 2   M P PETROLEUM 1  
KEEMAC 4   LA GORCE 6   LINDA 1   M P S 75  
KEENE 5   LA HOLLO 5   LINDEMUTH 1   M R EXPLORATION 1  
KEETON 1   LA JET 4   LINDER 6   M R T 1  
KEFT OIL 1   LA JITA 8   LINDHOLM 16   M W J 5  
KEG 11   LA JOLLA 4   LINGEN 23   M W PETROLEUM 10  
KEGLEY 1   LA JOYA 1   LINK 8   M W R 1  
KELJIKAN 4   LA NELLE 2   LINK OIL &GAS 1   M-G GAS CO 1  
KELLER 2   LA PARITA 9   LINKENHOGER 1   M-L INC. 2  
KELLEY 12   LA PRYOR 2   LINNE 6   M-TEX 7  
KELLY 31   LA ROCA RESOURCES 1   LION 14   M-V 6  
KELPETRO 8   LA ROSA 16   LIPAN 2   MABEE 21  
KELSEY 21   LA RUE 2   LIPSCOMB 9   MABRY 2  
KELSO 3   LA SALLE 8   LISSIE 1   MAC DRILLING 8  
KEMP 2   LA TERRE 3   LITTLE 75   MAC'S DRILLING 5  
KEMPER GLICK 1   LAB OIL 21   LITTLE GIANT 4   MACDIARMID 1  
KEN 54   LABELLE 3   LITTLEFIELD 2   MacDONALD 19  
KEN-KAN 2   LACAL 19   LITTLEPAGE 1   MACEO 10  
KENDALL 7   LACEY 19   LITTLETON 1   MACERO 23  
KENERGY 3   LACK 2   LIVE OAK 13   MACHII-ROSS 15  
KENNARD 45   LACY 46   LIVELY 45   MACHIN 3  
KENNE 1   LADD 135   LIVINGSTON 3   MACK 3  
KENNECOTT 1   LAGARTO 1   LLOG 1   MACKEY 9  
KENNEDY 9   LAGERQUIST 4   LLOYD 8   MACKHANK 55  
KENNER 1   LAGO 4   LOBAR 2   MACLANE 1  
KENNON 1   LAGUNA 1   LOBO 91   MACNAUGHTON 1  
KENTEX 3   LAHOMA 1   LOCAL 10   MACPET 17  
KENYON 16   LAIN 1   LOCHRIDGE 2   MACQUEST 1  
KEPLEY 9   LAIRD 1   LOCKE 2   MADDOX 2  
KEPLINGER 1   LAKE 11   LOCKHART 186   MADDUX 5  
KEPPLER 1   LAKE RONEL 15   LOCO 1   MADERA 8  
KERN 3   LAKEVIEW 1   LOFCO 2   MADRID 17  
KERNS 5   LAKEWOOD 15   LOFFLAND 9   MADRONE 3  
KERR-MCGEE 34   LAMMERTS 2   LOFLIN 3   MAER 1  
KEWANEE OIL 9   LAMONT 2   LOGUE 245   MAGALIS 1  
KEY 2   LANCE 8   LOHMAN 1   MAGEE 2  
KEYSTONE 7   LAND RESOURCES 6   LOKEY 1   MAGGERT 6  
KGMH 1   LANDA 1   LOMA ALTA 1   MAGNA 3  
KIBBE 19   LANDES 3   LOMA OIL 10   MAGNETIC 1  
KIDD 25   LANDMARK 1   LOMA VERDE 1   MAGNOLIA 1930  
KIEL 36   LANDRESS 4   LOMAC 1   MAGNUM 52  
KILGORE 37   LANDRETH 9   LOMACK 1   MAGUIRE 164  
KILGORE & COFFEE 1   LANDRUM 6   LOMAK 9   MAIN 3  
KILGORE-TURNER 1   LANG 44   LONDON PETROLEUM 2   MAJESTIC 3  
KILLAM 964   LANGHAM 6   LONE OAK 4   MAJO 3  
KILLINGER 1   LANIER 1   LONE STAR 324   MAJOR 16  
KILLINGSWORTH 1   LANKARD 1   LONESTAR 3   MALLARD 7  
KILMARNOCK 2   LANN 2   LONG 32   MALLORY 1  
KILROY 173   LANNING 3   LONG BROTHERS 8   MALOMAR 1  
KIMBALL 3   LANNING-COFFIELD 1   LONG TRUSTS 1   MAN-GAS 2  
KIMBARK 1   LANTANA 15   LONGHORN 83   MANA 30  
KIMBELL 2   LAPIS 1   LOONEY 2   MANAHAN 7  
KIMMEL 1   LAPO 1   LOPEZ 2   MANCO 42  
KIMMELL 5   LARCO 2   LORDSTONE 1   MANDARIN 16  
KIMMEY 41   LAREDO 2   LOS GATOS 17   MANECO 3  
KIN-ARK 2   LAREDO ENERGY 5   LOS NIETOS 5   MANETAS 1  
KING 125   LAREDO WATER WORKS 1   LOTT 1   MANFORTH 3  
KING-HOARD 1   LARIO 10   LOU LITTLE 2   MANFRED 12  
KING-TEX 3   LARKINS 2   LOUDON 13   MANGES 45  
KINGDOOR 1   LAROCA 1   LOUIS DREYFUS 65   MANGUM 20  
KINGWOOD 24   LAROCA RESOURCES 5   LOUISANA GAS 3   MANLER 1  
KINLAW 4   LAROCO LLP 18   LOUISANA LAND 1   MANLEY 44  
KINLEY 2   LARON 4   LOUISIANA CAMPBELL ENERGY 1   MANNING 12  
KINNEAR 2   LARS 1   LOUISIANA GENERAL PETROLEUM 11   MANOR 10  
KINS 7   LARSEN 2   LOUISIANA LAND & EXPL 15   MANRY 2  
KINSEL 1   LARUE 2   LOUISIANA NATURAL 1   MANTI 60  
KINSEY INTEREST 3   LAS TECAS 1   LOUISIANA OIL REFINING 1   MANTLE 5  
KIOWA 11   LASITER 1   LOVE 6   MAPCO 5  
KIRBY 105   LASMO ENERGY 1   LOVE & SUN 1   MAPLES 1  
KIRK 2   LATIMER 2   LOVELADY 57   MAR 4  
KIRKPATRICK 111   LATTNER 13   LOWE 16   MAR-TEX 2  
KIRKSMITH 4   LAUGHLIN 43   LOWER COLORADO RIVER AUTHORITY 2   MARALO 6  
KIRKWOOD 589   LAUREL 8   LOWMAR 3   MARAN 6  
KIRKWOOD & MORGAN 1   LAURITZEN 11   LOWRANCE 1   MARATHON 98  
KISSINGER 9   LAVACA 7   LP OPERATING 2   MARCELL 1  
KLABZUBA 8   LAWBAR 46   LU-TEX 4   MARCH 1  
KLEBERG 4   LAWLER 2   LUBBOCK COTTON 2   MARCO POLO 1  
KLEIN 1   LAWLESS 9   LUCAS 1   MARDAM 13  
KLEINER 7   LAWLOR 7   LUCEY 6   MARGO 2  
KLING 20   LAWRENCE 2   LUCK PETROLEUM 1   MARIAH 3  
KLOSTER 1   LAWSON 1   LUCKY 6   MARINE 19  
KLOTZMAN 25   LAY 2   LUETH 1   MARINE GATHERING 2  
KNICKERBOCKER 1   LAYNE 10   LUHN 1   MARINER 1  
KNIGHT 4   LAYNE TEXAS 10   LUKER 1   MARINO 6  
KNOTT 1   LAYTON BROWN DRILLING 1   LULING 149   MARION 25  
KNOX 2   LAZARUS 1   LULOC 2   MARK IV 44  
KOBA 4   LE CUNO 6   LUNDBERG 34   MARK PRODUCING 4  
KOCH 1   LEACH 7   LUNDELL 25   MARKHAM 1  
KODIAK 2   LEAHY 4   LUNDELLS 24   MARKS 28  
KOENIG 2   LEAKE 1   LUNDIN 1   MARLAND 1  
KOLLMAN 1   LEAR 13   LURA 1   MARLEX 1  
KOSAREK 6   LEARY 1   LUSK 2   MARLIN 5  
KOSSA 1   LEATHERWOOD 1   LUSKEY 1   MARLINE 9  
KOTTICK 1   LEBEN 1   LUTTES 1   MARMADUKE 6  
KRAAK 2   LECHE 1   LYDA 1    
KRAFTEX 2   LECUNO 2   LYLES 9    
KRAGSETH 2   LEDGE 1   LYMAN 83    
KRASNER 7   LEDLOW 2   LYMAN DAMASCUS 3    
KRAUSE 1   LEE 63   LYMAN, C.V. 1    
KRCHNAK 1   LEECO 1   LYNAL 1    
Operators(542): MARQUEE - OERTLI
Operator Count   Operator Count   Operator Count   Operator Count  
MARQUEE 108   MEANS 7   MONTERREY 35   NETTLECOMBE 1  
MARR 4   MEBANE 4   MONTGOMERY 3   NETWORK 1  
MARRIOTT 1   MECEY 1   MOODY 19   NEUHAUS 80  
MARSH 65   MECO 8   MOORE 193   NEUMANN 1  
MARSHALL 55   MECOM 90   MOORINGSPORT 5   NEUMIN 147  
MARSTON 4   MED-TEX 6   MOOSE 29   NEW 1  
MARTEX 4   MEDALLION 7   MORAN 57   NEW CENTURY 15  
MARTIN 198   MEDDERS 5   MORCO 3   NEW HORIZON 1  
MARTIN-BAKER 3   MEEK 2   MORELAND 1   NEW HORIZONS 1  
MARTINETS 1   MEEKER 39   MOREOIL 1   NEW SEVEN FALLS 4  
MARTS 1   MEEKS 1   MORGAN 591   NEW ULM 4  
MARYE 5   MEGA 1   MORGAN-GULF 5   NEW-TEX 2  
MARYLAND 19   MEGAHAN 3   MORLAS 1   NEWFIELD 18  
MARZO 2   MEGO 4   MORMAC 256   NEWFIELD EXPLORATION 80  
MASCOT 14   MEJLAENDER 2   MORRE 1   NEWGULF 3  
MASIRAN 2   MELBA 43   MORRIS 33   NEWHALL 2  
MASON 26   MELLARD 1   MORRISON 9   NEWITT 18  
MASS ENERGY 1   MELLON 32   MORROW 1   NEWMAN 189  
MASSENGILL 2   MELMERICH 1   MORSE 4   NEWMONT 3  
MASSEY 2   MELTON 2   MORSEY 12   NEWPORT 4  
MASSINGILL 61   MEMORIAL EXPLORATION 1   MORTCO 1   NEWTON 55  
MASTEN 2   MENGDEN 28   MORTEX 3   NICCO 2  
MASTERSON 3   MENGER 1   MORTIMER 80   NICHOLLS 1  
MATADOR 2   MERCURY 16   MORTON 3   NICHOLS 8  
MATAGORDA 12   MEREDITH 79   MOSBACHER 246   NICHOLSON 3  
MATHEWS 3   MERIDIAN 65   MOSELEY 22   NICKEL 1  
MATHIS 1   MERIT 16   MOSELLE 1   NICKLOS 9  
MATLOCK 2   MERREN 2   MOSS 29   NIELSEN 4  
MATRIX 1   MERRICK 33   MOSS & ADAMS 1   NIMROD 1  
MATTHEWS 4   MERRITT 14   MOSS & WATSON 4   NIX 1  
MATTKE 1   MERTZ 1   MOSSBACHER 2   NIXON 12  
MATZINGER 30   MERY 1   MOSSER 80   NOACK 1  
MAUCH 1   MESA 38   MOTCO 3   NOAKE 1  
MAUDLOWE 2   MESA CHICA 2   MOTEX 43   NOBB 2  
MAURER 1   MESQUITE 14   MOTI 1   NOBLE 45  
MAVERICK 36   MESSENGER 1   MOTT 7   NOBLESON 13  
MAXIMA 6   MESSER 16   MOULDEN 1   NOLA OIL & GAS 1  
MAXUS 10   MESSERS CO. 4   MOULTON 7   NOLAN 1  
MAXWELL 11   MESTENA 59   MOUND 26   NOLEN 8  
MAY 36   METALS SERVICE 11   MOUNT 8   NOMAD 2  
MAYAN 1   METANO ENERGY 9   MOUNTAIN TOWNSITE 1   NOMECO 4  
MAYCO 1   METCO 3   MOWINCKLE 6   NOR-AM 4  
MAYFAIR 54   METRO 1   MOWINKLE 11   NOR-MAC-BURNS 1  
MAYFIELD 15   METROPOLITAN OIL 8   MS GUIDANCE 1   NORANDA 4  
MAYNARD 37   METTS 1   MUCKELROY 1   NORBLA 1  
MAYNE 4   MEXIA 1   MUDGE 5   NORCEN 1  
MAYO 34   MEYERS 28   MUELLER 230   NORCOFF 1  
MAYS 1   MIAMI 20   MUGG 1   NORCROSS 1  
MAZURICK 1   MICHAEL 127   MULE 2   NORDAN 22  
McALESTER 13   MICHAUX 39   MULLE 3   NORDIC 2  
McALISTER 1   MICHEL 2   MULTI-ENERGY 1   NORDSTRAND 1  
McALL 3   MICHELSON 21   MULVER 1   NOREMAC 6  
McALPIN 3   MID AMERICA 2   MUNDY 1   NORINO 1  
McBEE 13   MID COAST 3   MUNN 1   NORMANDIE 5  
McBRAYER 1   MID CONTINENTAL 1   MUNSON 3   NORMANDY 14  
McBRIDE 107   MID GULF 2   MURCHISON 21   NORRIS 20  
McCABE 56   MID KANSAS 1   MURCO 1   NORSWORTHY 14  
McCAIN 1   MID-AMERICAN 24   MURDICK 1   NORTEX 21  
McCALEB 15   MID-CENTURY 3   MUREXO 6   NORTH 2  
McCAMERON 1   MID-CONTINENT 25   MURLYNSON 9   NORTH AMERICAN 108  
McCAMEY 1   MID-STATES 2   MUROC 1   NORTH CENTRAL 179  
McCANDLESS 1   MID-TEXAS 7   MURPHEY 28   NORTH PADRE EXPL 2  
McCARRICK 56   MIDAS 4   MURPHY 20   NORTH PETTUS 14  
McCARTER 42   MIDDLETON 10   MURRAY 25   NORTH ROSS OIL 1  
McCARTHY 97   MIDHURST 19   MURRELL 1   NORTH SHORE 7  
McCARTY 1   MIDLAND 40   MURRY 1   NORTH STAR 14  
McCLAIN 71   MIDSTATES 86   MUSS 5   NORTH TEXAS 5  
McCLUNG 3   MIDTEX 1   MUSSELMAN 30   NORTHERN MICHIGAN 7  
McCOLLUM 7   MIDWAY 26   MUSTANG 69   NORTHERN NATURAL 10  
McCOMBS 8   MIDWEST 88   MUSTEEN 7   NORTHERN ORDINANCE 9  
McCONNELL 1   MIERS 1   MUTEX 1   NORTHERN PUMP 116  
McCORD 43   MIHOVAL 1   MUTUAL OIL 6   NORTHSTAR 3  
McCORMICK 174   MIKTON 3   MYER 1   NORTHWEST ARKANSAS 1  
McCRACKEN 2   MILAGRO 10   MYERS 5   NORTHWEST OIL 4  
McCRIGHT 2   MILAM 14   N E G 6   NORTON 55  
McCULLOCH 17   MILES 8   N F C PETROLEUM 1   NOUVELLE 1  
McCULLOUGH 7   MILESTONE 22   N F OIL 1   NOVA ENERGY 2  
McCURDY 20   MILHAM 1   N G C ENERGY 1   NOVUS OIL 1  
McCUTCHIN 6   MILLER 304   N M-YATES 1   NOVUS OIL & GAS 1  
MCDADE 1   MILLER & DONZIS 1   N P ENERGY TEXAS 12   NOYES 1  
McDANIEL 5   MILLER & FOX 28   N P U UNION PRODUCING 1   NU-ENAMEL 1  
McDANNALD 39   MILLER & PIERCE 25   N R G 6   NU-SAN 5  
McDERMOTT 37   MILLICAN 77   N R M 3   NUCORP 46  
McDONALD 23   MILLS 1   N R M C 1   NUECES COMPANY 11  
McDONNOLD 2   MILLSAP 9   N S T 1   NUECES MINERALS 4  
McDOUGAL 2   MILNER 7   NAFCO 1   NUECES OIL 15  
McDOWELL 3   MILO 1   NAILS CREEK 1   NUECES RESERVES 2  
McDRILLING 2   MILTEX 5   NAIVAR 1   NUECES ROYALTY 7  
McELVAIN 8   MIM 11   NANJO 1   NUECO 1  
McFADDEN 8   MIN-TEX 3   NAPECO 9   NUEVE 13  
McFADDIN 1   MINAHAN 1   NARECO 1   NUGENT 6  
McFARLAND 38   MINDEN 8   NARMCO 1   NUGGET 49  
McFARLANE 33   MINER 14   NASA 1   NULL 73  
MCGAHEY 1   MINERAL DEVELOPMENT 1   NASH 2   NUTECH 1  
McGALLIARD 10   MINERAL PROJECTS 2   NATIONAL ASSOCIATED 5   NUTEX 3  
McGARR 43   MINERAL RESOURCES 1   NATIONAL BULK 2   O G P OPERATING 7  
McGEHEE 1   MINERALS EXPLORATION 1   NATIONAL DRILLING 3   O H B 8  
McGLOTHLIN 1   MINERALS OF TEXAS 2   NATIONAL ENERGY 4   O K WELL SERVICE 2  
McGOLDRICK 4   MINTON 4   NATIONAL EXPLORATION 43   O S R 1  
McGORICK-SMITH 1   MINUTEMAN 1   NATIONAL GULF 1   O'BRANNON 1  
McGOWAN 12   MIRADA 4   NATIONAL INVESTOR 1   O'BRYNE 1  
McGREGOR 14   MIRAMAR 39   NATIONAL OIL 29   O'BYRNE 2  
McGUFFIN 10   MIRANDO CRUDE 1   NATIONAL ONSHORE 6   O'CONNOR 5  
McGUIRE 1   MISSION 12   NATIONAL OPERATING 1   O'DONNELL 1  
MCGUIRT 3   MISSION RESOURCES 1   NATIONAL PETROLEUM 5   O'HERN 10  
McHENRY 1   MISSION RIVER 7   NATIONAL PIPE & SUPPLY 1   O'HORNETT 4  
McHUGH 5   MITCHAMORE 7   NATIONAL RESOURCES 3   O'LEARY 2  
McIVER 2   MITCHELL 238   NATOMAS 8   O'MEARA 1  
McKAY 1   MIZEL 4   NATURA ENERGY 2   O'MELVENY 26  
McKEE 2   MO-JON 9   NATURAL ENERGY 7   O'NEAL 4  
McKENZIE 24   MOBIL 559   NATURAL GAS 9   O'NEAL-CHANCELLOR 1  
McKINZIE 1   MOCKINGBIRD 2   NATURAL RESERVES 4   O'NEIL 2  
McLAIN 5   MODE 1   NATURAL RESOURCES 16   O'SULLIVAN 7  
McLEAN 2   MODERN 66   NAUTILUS 3   O'TOOL 1  
McLELLAND 1   MODESETT 3   NAVARRO 71   O.I.L. ENERGY 5  
McLEOD 15   MOGFORD 1   NAVCO 1   OAKLAND 1  
McMAHON 37   MOGUL 1   NAVIAR 1   OAKVILLE 2  
McMILLAN 1   MOGUL ENERGY 1   NAVIDAD 6   OAKWOOD 1  
McMORAN 152   MOHAWK 1   NAVILLUS 2   OASIS PETROLEUM 1  
McMULLEN 1   MOHICAN 1   NAYLOR 13   OATMAN 32  
McMURRAY 4   MOKEEN 126   NCEY 6   OBLAEN 1  
McMURREY 1   MOLE 16   NEAL 9   OCCIDENTAL 68  
McNAB 1   MOLINA 1   NEARBURG 5   OCEAN ENERGY 7  
McNEEL 2   MOLTREY 1   NEATHERY 29   OCEAN PRODUCTION 1  
McNEILL 2   MOMENTUM 1   NECHES 4   OCEAN TRACE 9  
McOIL 1   MONCRIEF 16   NEES 1   OCEANIC 4  
McPETERS 1   MONCUS 1   NEIBERT 2   OCOTILLO 1  
McQUEEN 1   MONDAY 51   NEILL 2   ODOM 1  
McRAE 13   MONGOOSE 9   NEILSON 9   ODYSSEY 2  
McRAE-FLEMING 1   MONITOU 1   NELMS 3   OEMCO 1  
McROREY 3   MONROE 11   NELSON 68   OERTLI 3  
McSPADDEN 13   MONSANTO 145   NEOSHO 2    
McWILLIAMS 5   MONTE 1   NESRAL 1    
McWOOD 2   MONTE CHRISTO 3   NESSLY 5    
MEAD 2   MONTECITO 1   NETH 1    
MEADERS 2   MONTEGO 9   NETH & SCHORSCH 1    
MEADOW VIEW 2   MONTEREY 15   NETHERLAND 1    
Operators(542): OGDEN - RANGER
Operator Count   Operator Count   Operator Count   Operator Count  
OGDEN 10   PANOCAL 1   PETROLEUM RESERVE 2   PRINCESS THREE 1  
OHIO 152   PANTANO 12   PETROLEUM RESOURCES 2   PRINGLE 2  
OIL & GAS 102   PANTERA 1   PETROLEUM UNLIMITED 3   PRIOR 2  
OIL & GAS ACQUISITION 1   PANTEX 15   PETROLEUM VENTURES 3   PRIZE 7  
OIL & GAS PROPERTY MANAGEMENT 12   PANTHER 23   PETROLIA 12   PROCESS 1  
OIL & GAS RESERVES 4   PANUCO 2   PETROLITHICS 10   PROCTOR 1  
OIL COAST 1   PAPALOTE 5   PETROMARK 6   PRODECO 10  
OIL CORP. , 1   PAR 2   PETROMAX 1   PRODEX 6  
OIL CORPORATION 23   PARADA 1   PETRONET 2   PRODUCERS CORP. OF NEVADA 76  
OIL COUNTRY 4   PARAFFINE 59   PETROPOOL 6   PRODUCERS DEV. 16  
OIL DEVELOPMENT 1   PARAGON 27   PETROPRO 1   PRODUCERS ENERGY SEARCH 2  
OIL DRILLING 31   PARALLEL 1   PETROREAL 2   PRODUCERS ENGINEERING 7  
OIL FIELD 13   PARECO 1   PETROREP 2   PRODUCERS INVESTMENT 1  
OIL FINDER 1   PARFET 7   PETROREY 2   PRODUCERS OIL CONTRACTORS 1  
OIL LEASE OPERATING 7   PARK & PHILLIPS 1   PETROROCK 3   PRODUCERS ROYALTY 3  
OIL OPERATIONS 2   PARKER 183   PETROSIL 6   PRODUCING PROPERTIES 2  
OIL PETROLEUM 1   PARKER & PARSLEY 32   PETROTERRA 2   PRODUCTION ACQUISITION 1  
OIL PRODUCERS 3   PARR 19   PETROTEX 22   PRODUCTION DRILLING 2  
OIL PRODUCTION MAINTENANCE 4   PARRISH 1   PETROWARD 3   PRODUCTION OIL 1  
OIL PROPERTIES MANAGEMENT 25   PARTEE 1   PETROWARRIOR 6   PRODUCTION SERVICE 10  
OIL PROPERTY MANAGEMENT 3   PARTEN 3   PETRUS 55   PROFESSIONAL MANAGEMENT GROUP 9  
OIL RESERVES 24   PARVA 1   PETTUS 2   PROGRESS 36  
OILTEX 11   PASCO 4   PEXCO 1   PROLER 2  
OKALA 2   PAT OIL 1   PEYTON 3   PROLITHIC 1  
OKLAHOMA 5   PATEL 1   PHELPS 2   PRONGHORN 1  
OLD DOMINION 1   PATHFINDER 1   PHIBRO 1   PRONTO 75  
OLD MESQUITE 1   PATILLO 2   PHIFER 2   PROPERTY DEVELOPMENT 26  
OLEUM 2   PATLAND 2   PHIFFNER 1   PROPERTY PRODUCING 2  
OLIVER 2   PATOIL 2   PHILLEY 2   PROSPECT OIL 1  
OLSEN 22   PATRICIO 22   PHILLIPS 447   PROTEUS 3  
OLSON 76   PATRICK 43   PHILLIPS PETROLEUM 233   PROTHRO 5  
OLYMPIA OIL & GAS 1   PATTERSON 41   PHILLIPS, A. O. 6   PROVIDENCE 11  
OLYMPIC 2   PATTICO 1   PHILLIPS, RICHARD 4   PROWSE 1  
OMEGA 61   PATTON 10   PHOENIX 44   PRUDENTIAL 34  
OMEL 1   PAUL 18   PHYLKO 59   PRUDHOE 24  
OMIMEX 1   PAULEY 25   PI 4   PRUDHOMME 1  
OMNI 9   PAWLIK 1   PICES 1   PRUET 1  
OMOHUNDRO 1   PAX 1   PICHINSON 40   PRUETT 3  
ONALASKA 1   PAXSON 2   PICKARD & KIRKPATRICK 4   PRUITT 14  
ONE APEX ENERGY 2   PAYNE 16   PICKENS 129   PRYOR 2  
ONE HUNDRED AND ONE 3   PEACH TREE 4   PICKERING 1   PUBLISHER 1  
ONE TEC OPERATING 4   PEACOCK 3   PICKETT 35   PUENTICITAS 76  
ONTEX 2   PEARCE 1   PIERCE 36   PULASKI-BOCK 2  
OPAL 2   PEARCO 14   PIERSON 1   PULLIAM 1  
OPCO 1   PEARL 119   PIGGOTT 2   PULS 13  
ORANGE GROVE 14   PEARSON 10   PIKE 1   PUMA 2  
ORBISON 1   PEASE 1   PILCO 1   PURCELL 1  
ORBIT 8   PECAN GAP 1   PIN OAK 1   PURE 217  
ORCA 1   PECOS 16   PINE ISLAND 2   PURE RESOURCES 2  
ORDOVICIAN 1   PEDECO 37   PINEY POINT 18   PURL 1  
ORION 78   PEDERNAL 1   PINKLEY 7   PURNELL 6  
ORLA 3   PEDIGO 1   PINNACLE 3   PURSLEY 5  
ORLEE 19   PEELER 15   PINNELL 8   PURVIS 5  
ORMCO 1   PEET 68   PINNEY 13   PUTNAM 4  
ORMSBY 9   PEGG 8   PINTAIL 3   PYLE 1  
ORO NEGRO 1   PEL-STAR 1   PINTEX 88   PYNDUS 1  
ORR 4   PEL-TEX 50   PINTO 26   PYRAMID 18  
ORYX ENERGY 69   PELTO 12   PIONEER 57   PYRO 31  
OSAGE 1   PEMA 2   PIONEER CONCRETE 2   PYRON 1  
OSBORN 124   PEMBERTON 8   PIPE 1   Q M G 1  
OSBORNE 22   PEN 1   PIPER 4   Q N K ENERGY 6  
OSMOND 10   PEND OREILLE 62   PISTOL HILL 1   QUADRA 1  
OSO 6   PENDLEY 2   PITKIN 4   QUAESTOR 5  
OSYKA 8   PENEXCO 1   PITTENCRIEFF 2   QUAIL CREEK 2  
OTEX 4   PENGO 5   PITTMAN 10   QUAMAGRA 1  
OTT 1   PENINSULA 121   PITZER 5   QUANAH 1  
OUTLINE 113   PENMAN 1   PLACER 5   QUANTUM 3  
OVERLAND 3   PENN 17   PLACID 101   QUIGLEY 6  
OVERLY 13   PENN VIRGINA 11   PLAINS 14   QUIN 47  
OVERSEA OIL 6   PENN-OSAGE 1   PLANET 3   QUINN 10  
OVERSEAS 6   PENN-PALANGANA 1   PLANTATION 2   QUINTANA 380  
OVERTON 5   PENNELL 1   PLASTAFLEX 2   QUINTANILLA 2  
OWEN 114   PENNZENERGY 6   PLATEAU 6   QUINTEX 20  
OWENS 2   PENNZOIL 264   PLAZA 4   QUINTO CREEK 8  
OWL 46   PENROC 6   PLUMB OPERATING 8   QUINTO OIL 1  
OWL CREEK 2   PENROSE 48   PLUMLY 2   QUISTO 16  
OWNBY 7   PENTAD 2   PLUMMER 25   R & L OIL 1  
OXOCO 9   PENTER 2   PLYMOUTH 509   R & M 4  
OXY 32   PENTON 1   POCO DRILLING 4   R & R RESOURCES 3  
OXY U S A INC 4   PENWELL 6   POCO RIO 1   R & S 6  
OZ ENTERPRISES 1   PENZAC 4   POCONO 1   R & T 16  
OZARK 13   PEOPLES ENERGY 31   POE 1   R A R 34  
P & H 7   PEP 75 LTD 1   POGO 31   R B D-P N B 14  
P & T 1   PEREGRINE 1   POHLER 3   R B O 2  
P A M 2   PEREZ 1   POINTS 1   R B R 1  
P B G 1   PERKINS 24   POLANSKY 3   R C M 4  
P B PRODUCTION 1   PERLMAN 4   POLARIS 8   R E B 1  
P C U OF TEXAS 6   PERRY 11   POLIS 1   R E H 19  
P G & E 13   PERRYMAN 40   POLLUTION CONTROL 4   R G R 20  
P G O 1   PERSHING 4   POMEXCO 2   R J ENERGY 1  
P H EXPLORATION 2   PESETAS 1   PONDER 3   R K 8  
P L D 8   PET. SOUTHWESTERN 1   PONEXCO 1   R K G 13  
P M 1   PETCO 2   PONTIAC 118   R M E 6  
P M I 1   PETEREK 1   POOL 20   R P M 3  
P M O 1   PETERS 3   POOLE 40   R S E 5  
P N S 1   PETKAS 42   POOLEY 1   R S H ENERGY 1  
P O C 1   PETREX 8   POPE 1   R-B 1  
P P G 1   PETRO DEVELOPMENT 1   POPEJOY 2   R-O 1  
P R O 1   PETRO DRILLING 1   PORCHER 2   RACHAEL 1  
P S N 60   PETRO GRANDE 3   PORTAL 3   RACHAL RANCH 2  
P W I WILLCO 1   PETRO GUARD 7   PORTANOVA, BARON ENRICO DI 1   RADCLIFFE 2  
P-R-O 7   PETRO JET 1   PORTER 186   RADER 2  
P-T 2   PETRO POOL 1   PORTILLA 28   RAGARS 2  
PABST 1   PETRO RESOURCES 7   POST OAK GAS 1   RAGSDALE 4  
PACE 34   PETRO SEARCH 5   POTH 12   RAIDER 24  
PACE-ROLLER 1   PETRO TEJAS 1   POTRERO 1   RAILHEAD 2  
PACIFIC 34   PETRO VEST 4   POTTER 13   RAINBOW 2  
PACIFIC WESTERN 2   PETRO-ATLAS 1   POWELL 4   RAINER ENERGY 4  
PADDOCK 1   PETRO-CHALK 4   POWER 1   RAINEY 1  
PADON 5   PETRO-ENGINEERING 1   POWERS 82   RALSTON 22  
PADRE 5   PETRO-HUNT 9   POYNOR 3   RAMADA 78  
PAGE 9   PETRO-LEWIS 57   POZO SECO 1   RAMBLER 3  
PAGENKOPF 22   PETRO-MAX 1   PRADO 145   RAMCO 5  
PAINTER 7   PETRO-POOL 2   PRAIRIE 198   RAMEY 1  
PAISANO 32   PETRO-TEX 8   PRATT 20   RAMSAY 3  
PAKAWA 2   PETROCAP 11   PRATT-HEWITT 3   RAMSEY 14  
PAKKE 1   PETROCEL 5   PRAY 4   RAN-ROCK 2  
PALADIN 3   PETRODOME 5   PRECIO 1   RANA 1  
PALADIN-HAYES 3   PETROFUNDS 9   PRECISION 3   RANCHO 7  
PALAFOX 2   PETROGLYPH 1   PREMCO 1   RAND 2  
PALEO 4   PETROGULF 3   PREMIER 13   RANDADO 11  
PALM 40   PETROHAWK 10   PREMONT 12   RANDALL 2  
PALMCO 32   PETROL 2   PRESIDIO 10   RANDERSON 13  
PALMER 48   PETROLERO 66   PRESNALL 3   RANDOL 3  
PALO BLANCO 6   PETROLEUM ACREAGE 1   PRESSER ROYALTIES 1   RANDOLPH 1  
PALOMA 9   PETROLEUM CORPORATION 38   PRESSEY 1   RANDON 14  
PAM 1   PETROLEUM DEVELOPMENT 5   PRESSLY 3   RANELIA 1  
PAMALE 9   PETROLEUM DRILLING 1   PRESTON 1   RANGE OIL 20  
PAN AMERICAN 909   PETROLEUM HIGH TECH 1   PRICE 54   RANGE PRODUCTION 2  
PAN COASTAL 5   PETROLEUM INCORPORATED 27   PRICKETT 3   RANGE RESOURCES 3  
PAN EASTERN 2   PETROLEUM INVESTMENT 1   PRIDE 6   RANGER 45  
PAN OIL 1   PETROLEUM LEASEHOLDERS 4   PRIMA 2    
PANAL 5   PETROLEUM MANAGEMENT 253   PRIMARY FUELS 18    
PANEL 1   PETROLEUM OPERATING 4   PRIME NATURAL RESOURCES 3    
PANGAEA 3   PETROLEUM PIPE 1   PRIME OPERATING 19    
PANHANDLE 67   PETROLEUM PRODUCTION 3   PRIMROSE 1    
PANO TECH 10   PETROLEUM PROPERTY MANAGEMENT 1   PRINCE 10    
Operators(542): RANKIN - SNELLSTROM
Operator Count   Operator Count   Operator Count   Operator Count  
RANKIN 1   ROBISON 27   SALTMOUNT 5   SELLS 1  
RANSONE 1   ROBOCO 1   SALURIA 4   SEMMES 2  
RANTEX 8   ROCANVILLE 1   SAMEDAN 148   SENDERO 11  
RAPP 2   ROCHE 1   SAMEDAN OIL 13   SENECA 21  
RASNICK 5   ROCK ENERGY 1   SAMOCO 1   SENGA 1  
RATCLIFF 2   ROCK HILL 65   SAMPLE 2   SENISA 1  
RATHBURN 3   ROCK RESOURCES 1   SAMPSON 3   SEPSCO 3  
RATTLER 1   ROCK SOLID 1   SAMS 4   SERBA 18  
RAY 11   ROCKBRIDGE 2   SAMSON 48   SERBAN 7  
RAYMOND 1   ROCKER A WELL SERVICE 1   SAMSON LONE STAR 20   SERIO 4  
RAYZOR 15   ROCKHILL 99   SAN ANDRES 4   SERRITO 1  
REA 8   ROCKNE 1   SAN ANTONIO 30   SERVICE CONTRACTING 4  
READ 2   ROCKSPRINGS 2   SAN CAJO 1   SERVICE DRILLING 1  
READING 3   ROCKWOOD 52   SAN DOMINGO 1   SESSIONS 1  
REAL 1   ROD 1   SAN ISIDRO 10   SETEX 4  
REALITOS 92   RODEL 3   SAN JACINTO 41   SEVEN DRILLING 1  
REALM 7   RODESSA 16   SAN JOSE 4   SEVEN FOUR & MORRISON 3  
REARDON 1   ROESER 2   SAN JUAN DRILLING 5   SEVEN- FOUR OIL 7  
REASOR 8   ROGER 1   SAN JUAN EXPLORATION 3   SEVENTY OIL CO. 1  
REATA 1   ROGERS 21   SAN JUAN OIL CO. OF TEXAS 1   SEVERY 2  
REAVES 9   ROHOLT 1   SAN MATEO 5   SEWELL 4  
REAVIS 1   ROLF 1   SAN MIGUEL 4   SEXTON 24  
REB 4   ROLLERT 20   SAN PATRICIO 77   SHA - JAM 3  
REBEL CORP. 1   ROLLUM 4   SAN TEX ENERGY 6   SHALLOW ZONES 1  
RECILE 9   ROMA 10   SANCHEZ 89   SHAMROCK 149  
RECILLE 1   ROMACK 1   SANCHEZ O/G 10   SHANA 57  
RED BANK 9   ROMAR 4   SANCHEZ-O'BRIEN 216   SHANDS 24  
RED WILLOW 1   ROME 13   SAND BAR 1   SHANGHAI 10  
REDA 1   ROMERO 1   SANDALWOOD 46   SHANNON 5  
REDDING 1   ROOS 4   SANDEFER 27   SHAR ALAN 3  
REDFISH BAY 1   ROREM 1   SANDERS 5   SHAR-ALAN 57  
REDMAN 5   RORICO 1   SANDERSON 1   SHARON 5  
REDNICK 1   ROSCOE 1   SANDIA 18   SHARP 7  
REDWINE 2   ROSE 11   SANDLIN 1   SHARPLES 5  
REECE OIL & MIN. 1   ROSEBROCK 1   SANDRA JEAN 2   SHARY-MADDOX 1  
REED 39   ROSEMARIN 1   SANDS 9   SHASTA 21  
REEF 12   ROSEN 1   SANDS, CAROLINE HUNT 17   SHAW 20  
REESE 8   ROSENBAUM 1   SANFORD 2   SHAWELL 4  
REEVES 4   ROSENBURG 1   SANGUINET 1   SHAWNEE 3  
REFUGIO 19   ROSENTHAL 6   SANHALL 1   SHEARER 1  
REGAL 16   ROSETTA 2   SANNIX 1   SHEFFER 1  
REGENT 1   ROSEWOOD 22   SANTA CLARA 62   SHEFTS 1  
REGIONAL 1   ROSNER 9   SANTA FE 48   SHELCO 2  
REGISTRY 1   ROSS 23   SANTA ROSA 2   SHELDON 28  
REGO 6   ROSSALYN 1   SANTEX 12   SHELL 1756  
REHLER 10   ROSSEBO 4   SANTOS 22   SHELL WESTERN 41  
REICHMANN 11   ROSSI 3   SAPP 2   SHELLMAN 2  
REID 2   ROSSMAN 1   SARATOGA 1   SHELLY 34  
REITER 7   ROTARY 1   SARCO 3   SHELTON 6  
RELCO 1   ROUNDTREE 1   SARITA 1   SHENANDOAH 71  
RELIANCE 13   ROUSE 1   SARKEYS 3   SHENANGO 3  
REMCO 1   ROUSSEAU 22   SARNOSA 2   SHEPARD 1  
REMINGTON 1   ROUSSEL 5   SARTWELL 1   SHEPHERD 11  
REMORA 2   ROWAN 146   SASSER 2   SHEPPARD 1  
REMUDA 30   ROWDEN 85   SATELLITE 2   SHEPPERD 1  
RENDELL 1   ROWE 263   SATEX 3   SHERIDAN ENERGY 1  
RENICK 12   ROWLING 3   SAUDER 6   SHERRY-GALLIGAN 1  
RENLEE 1   ROWSEY 49   SAVAGE 7   SHERWOOD 8  
RENN 1   ROXOIL 6   SAWYER 4   SHETTLE 7  
RENWAR 254   ROYAL 313   SAXET 30   SHIELD 181  
REPUBLIC MINERAL 36   ROYAL OAKS 1   SAXON 24   SHIPMAN 9  
REPUBLIC NATURAL 290   ROYALTIES RESEARCH 1   SAXUM 2   SHIRLEY 1  
REPUBLIC OIL & GAS 23   ROYALTY 5   SAYERS 1   SHOEMAKER 1  
REPUBLIC PRODUCTON 10   RUBSAMEN 1   SAYRE 2   SHORE 6  
REPUBLIC RESOURCES 47   RUBY 2   SCAMBIA 1   SHOREHAM 1  
REPUBLIC-SIMMS 1   RUDCO 21   SCAN 1   SHORELINE 28  
RESACA 2   RUDMAN 10   SCANA 19   SHORT 2  
RESERVE 14   RUEDA 1   SCANDRILL 4   SHOWERMAN 2  
RESOURCE EXPLORATION 5   RUETZ, BLAKE 1   SCARLET ENERGY 2   SHOWERS 9  
RESOURCES INVESTMENT 58   RUEZ-MORTON 1   SCATES 10   SHRIVER 2  
RETAMA 17   RUNDELL 1   SCHAEFER WELL SERVICE 2   SHROPSHIRE 3  
RETAMCO 34   RUNION 1   SCHAFER 1   SHUART 5  
RETRAC 2   RUNNELS 1   SCHARF 1   SHUBUTA 3  
REUNION 1   RUPERTSLAND 1   SCHEIG 3   SHUMWAY 7  
REVEILLE 5   RUSH 3   SCHELLHASE 1   SIBONEY 3  
REX 4   RUSS 13   SCHERO 1   SIDDALL 2  
REXCOM 1   RUSSEK 11   SCHIEFELBEIN 1   SIEGFRIED 9  
REYNOLDS 44   RUSSELL 116   SCHIMMEL 94   SIEN 7  
REYNOSA 4   RUSSO 1   SCHIMMEL IV 8   SIERRA 32  
RHOADS 3   RUSTON 1   SCHINDLER 1   SIESTADRO 1  
RHODES 116   RUTHERFORD 268   SCHLESINGER 2   SIETE 3  
RIANGO 1   RUTLAND 1   SCHLOSBERG 3   SIEVERS 2  
RICARDO 25   RUTLEDGE 1   SCHMIDT 9   SIGMOR 17  
RICE 4   RUTTA 5   SCHMITT 2   SIGNAL 19  
RICH 4   RUTTER 2   SCHMITZ 26   SIGNET 6  
RICH-SUL 2   RUWCO 4   SCHNEIDER 2   SIITA INVESTMENST 1  
RICHARDS 24   RYALS-WENSKE 3   SCHNITZ 3   SIMAC 1  
RICHARDSON 243   RYAN 86   SCHOEN 1   SIMMONDS & PERRY 65  
RICHMAN 34   RYCADE 12   SCHOENSELD 1   SIMMONS 99  
RICHTER 2   RYDAL 3   SCHOOLFIELD 23   SIMMS 2  
RICKER 2   RYMAL 1   SCHOONMAKER 6   SIMONS 3  
RICKS 5   S & H OIL 2   SCHORSCH 2   SIMONTON 5  
RICOCHET 34   S & J OIL 1   SCHOURSH 1   SIMPSON 4  
RIDDLE 49   S & R OIL 1   SCHULZ 4   SIMRAY 2  
RIDGEWAY 1   S D & S 2   SCHUTZ 2   SINCLAIR 485  
RIESENBERG 3   S D OIL 1   SCHWAB 23   SINGER 4  
RIETZ 1   S E C OIL 2   SCHWARTZ 1   SINGLETON 77  
RIFE 2   S E D 15   SCHWARZ 2   SIOSI 3  
RIGBY 3   S E V TEXAS 2   SCIBIENSKI 16   SIOUX 1  
RIGG 1   S E W 27   SCOGGINS 37   SIOUX NATURAL GAS 1  
RILEY 10   S F J V 2   SCOPE 1   SIRTEX 12  
RIMCO 1   S F M HOLDINGS 1   SCORPION 2   SITTON 3  
RIMROCK 1   S G OPERATING 3   SCOTT 4   SIZNOD 12  
RINCON 69   S G W 1   SCRAP 1   SKELLY 366  
RINER 6   S K & C 6   SCULLY 15   SKIDMORE 10  
RING 7   S M A OPERATING 1   SCURLOCK 112   SKILES 3  
RIO BRAVO 66   S M K 2   SE USA 3   SKINNER 137  
RIO DE ORO 3   S N D 5   SEABERRY 1   SKLAR 9  
RIO DELTA EXPLORATION 1   S O C 1   SEABOARD 475   SKRIVANOS 1  
RIO EXPLORATION 71   S P G 37   SEACORD 1   SKYLAR 1  
RIO GAS 1   S R & C 3   SEADRIFT 1   SKYLARK 2  
RIO GRANDE INDUSTRIES 4   S R G 15   SEAGRAVES 1   SLACK 1  
RIO GRANDE VALLEY 21   S S M 8   SEAGULL 71   SLADE 11  
RIO HONDO 1   S V ENERGY 30   SEALE 5   SLAGTER 1  
RIO MAVERICK 7   S W E P I 2   SEAMAN 1   SLATER 8  
RIO MINES 9   S W R PROD 1   SEAPORT 17   SLAUGHTER 1  
RIO-TEX 23   SA-GU 3   SEAROC 17   SLAVIK 3  
RISA 21   SABA ENERGY INC 1   SEAS 13   SLAWSON 40  
RISA ENERGY 1   SABCO 4   SEASHELL 1   SLAYTON 2  
RISEDEN 13   SABER 13   SEATEX 10   SLICK 74  
RISIEN 22   SABINAL 3   SEAY 1   SLOAN 3  
RISING STAR 1   SABINE 29   SECURITY 44   SLOANE 1  
RITCHIE 19   SABRE 15   SEDCO 1   SMALLWOOD 1  
RITTER 1   SACKETT 1   SEDONA 4   SMEDLEY 4  
RIVER CITY 1   SADLER 1   SEECO 3   SMILEY 2  
RIVER RESOURCES 3   SAFARI 6   SEEGER 5   SMITH 765  
RIVIERA 1   SAGA 1   SEEKER 2   SMYRL 4  
RIX 12   SAGE 46   SEELIGSON 8   SMYTH 12  
RLU OPERATING 4   SAGEBRUSH 1   SEGURO 1   SNAP-PAC 1  
ROADES 3   SAGEX 7   SEIBEL 4   SNEE 2  
ROANE 2   SAGUNADA 3   SEIDEMAN 1   SNELLSTROM 3  
ROBERSON 4   SAHARA 2   SEIGFRIED 1    
ROBERTS 37   SAL VIEJA 12   SELBY 4    
ROBERTSON 4   SALEM 24   SELBY-WALKER 48    
ROBIN-WOOD 1   SALIDA 1   SELECT ENERGY 1    
ROBINS 1   SALPETER 3   SELIG-CARR 1    
ROBINSON 56   SALT DOME 97   SELLERS 12    
Operators(542): SNOWDEN - TRAFALGAR
Operator Count   Operator Count   Operator Count   Operator Count  
SNOWDEN 32   STARKEY 2   T R 1   TEXAS ONSHORE 1  
SNYDER 10   STARNS 1   T W OIL 3   TEXAS OPEC 2  
SOCONY MOBIL 46   STARR 49   T X L 2   TEXAS PACIFIC 11  
SOCORRO 6   STARRETT 18   T X O PRODUCTION 454   TEXAS PETROLEUM 35  
SOCS VRATIS 1   STATES 6   T X P 2   TEXAS PRODUCERS 5  
SOHIO 121   STATEX 2   T-C OIL 63   TEXAS PROGRESS 1  
SOJOURNER 2   STATOIL 2   TABER 1   TEXAS RANGER 1  
SOL 2   STAUB 1   TAFT 3   TEXAS REFINING 1  
SOLANA 1   STEEGER 89   TAGGART 59   TEXAS REPUBLIC 4  
SOLATEX 6   STEEN 3   TAL VEZ 1   TEXAS ROYALTY 1  
SOLLARS 6   STEEPLE 1   TALBERT 1   TEXAS SEABOARD 26  
SOLO 26   STEINBERGER 9   TALBOTT 7   TEXAS SOUTH ENERGY 1  
SOLOCO 3   STEINMANN 1   TALCO 1   TEXAS SOUTHERN 18  
SOLOMON OIL 1   STEINMETZ 2   TALISMAN 5   TEXAS STANDARD 4  
SOLRAC 2   STEITLE 1   TALLEY 2   TEXAS STATE 24  
SOMAC 1   STEKOLL 2   TALON 45   TEXAS TAR SANDS 8  
SOMERSET 2   STELCOFAL 1   TAMAR 5   TEXAS TIDELANDS 4  
SOMONT 2   STELLMAN 2   TAMARACK 103   TEXAS TRI-STAR 1  
SONAT 37   STELZIG 6   TAMPA COVE 5   TEXAS UTAH 1  
SONITT 4   STEMMONS 7   TAMPICO 2   TEXAS WESTERN ENERGY 4  
SONORA EXPLORATION 1   STEPHENS 37   TANA 517   TEXAS-PLATEAU 1  
SONTERRA 2   STEPHENSON 2   TANGLEWOOD 1   TEXAS-WISCONSIN 1  
SOOKEY-NICK 1   STERGE 1   TAOS OIL 1   TEXCO 3  
SOONER 2   STERLING 62   TARINA 47   TEXEGY 1  
SORELLE 8   STEVENS 24   TARPON 26   TEXEN RESOURCES 2  
SOREY 1   STEVENSON 8   TARTAN 72   TEXIMINN 1  
SORRELLS 7   STEVER 1   TARVER 6   TEXIO 2  
SOSSAMAN 3   STEWARD 31   TASCA 17   TEXITA 118  
SOTEX 3   STEWART 33   TASCOCITA 1   TEXKAN 173  
SOUTH 9   STEWARTS 18   TAUBER 1   TEXLA 2  
SOUTH BASIN 1   STICE 10   TAUBERT 11   TEXLAN 21  
SOUTH BAY 15   STICKNEY 5   TAYLOR 452   TEXLAND 3  
SOUTH COAST 2   STIEREN 2   TEAGLE 3   TEXLARK 32  
SOUTH ELGIN 1   STINGER 9   TEAL 48   TEXMO 6  
SOUTH SHORE 1   STIVERS 5   TEAMCO 2   TEXO 2  
SOUTH STATES 31   STOBBS 1   TEAS 3   TEXOIL 2  
SOUTH TEXAS 98   STOCKARD 6   TECH RESOURCES 5   TEXOKAN 7  
SOUTHAMPTON 1   STODDARD 10   TECH-BRISCOE 1   TEXOMA 15  
SOUTHCOAST 3   STOKER 1   TECO 3   TEXON 117  
SOUTHEASTERN 41   STOLLEY 1   TECPETROL 7   TEXPRO 1  
SOUTHERN BAY 4   STOLTZ 1   TECTONIC 3   TEXRON 1  
SOUTHERN COAST 23   STONE 40   TEDFORD 2   TEXSOTA 1  
SOUTHERN COMMUNITY 24   STONEBURNER 5   TEE 5   TEXSOUTH 1  
SOUTHERN CRUDE 4   STONETEX 8   TEETS & HARRIS 1   TEXSTAR 41  
SOUTHERN DRILLING 1   STORM 38   TEJANO 3   TEXSUN 1  
SOUTHERN ENERGY 5   STORY 25   TEJAS 35   TEXTROLEUM 2  
SOUTHERN GULF 20   STOUT 8   TEJONES 1   TEXTRON 1  
SOUTHERN HYDROCARBONS 3   STOVALL 4   TEKOIL 1   THACKER 3  
SOUTHERN MINERALS 807   STRAGO 1   TELSTAR 1   THACKER-ELLINGHAUSEN 1  
SOUTHERN NATURAL 9   STRAKE 41   TEMA 4   THE LONG TRUSTS 3  
SOUTHERN OIL 6   STRAND 13   TEMPEST 1   THELJOHN 27  
SOUTHERN PETROLEUM 39   STRATA 22   TEMPLE 4   THOMAR 4  
SOUTHERN PROD. 28   STRATEX 1   TEMPLETON 26   THOMAS 122  
SOUTHERN RESOURCES 42   STRATIGRAPHIC 8   TEMPLIN J L 1   THOMAS BROS 1  
SOUTHERN ROYALTIES 1   STRATORAY 1   TENEX 2   THOMPSON 154  
SOUTHERN ROYALTY 106   STRATTON 1   TENEXCO 2   THOMSON 3  
SOUTHERN STAR 1   STREET 14   TENISON 1   THORMAN 1  
SOUTHERN STATES 1   STRICKER 2   TENNECO 519   THORNE 23  
SOUTHERN UNION 31   STRIDER 2   TENNESSEE GAS 103   THORNTON 1  
SOUTHLAND 47   STRIEBAR 2   TENNESSEE PRODUCTION 27   THORP 30  
SOUTHLAND DRILLING 72   STRIEBER 1   TENROC 6   THREE & ONE 18  
SOUTHLAND MINERALS 14   STRIKE 14   TENS-WOOD 7   THREE ARROW 1  
SOUTHLAND ROYALTY 57   STRINGER 34   TEPCO 114   THREE FORKS 1  
SOUTHLAND-BERRY 1   STRITEX 1   TEPEE 16   THREE R - B 1  
SOUTHPORT 23   STRONGHOLD 1   TERMINAL 1   THREE TEC 1  
SOUTHTEX 11   STROOPE 4   TERMO 6   THREE W 1  
SOUTHWEST 34   STROUBE 4   TERNE 8   THREE-B 1  
SOUTHWEST DRILLING 5   STRUCTURE 1   TERRA 83   THREE-M 2  
SOUTHWEST LAND & MINERALS 18   STRUNK 1   TERRY 7   THREE-T 1  
SOUTHWEST MINERALS 7   STUART 2   TESORO 149   THROOP 22  
SOUTHWEST OIL 3   STUART-SCHAEFER 1   TESSIN 2   THUNDER OIL & GAS 5  
SOUTHWEST OIL & GAS 1   STURDEVANT 4   TETBO 2   THUNDERBIRD 5  
SOUTHWEST OIL & LAND 25   SUBSURFACE 26   TETEN 4   THURMOND & LIPSCOMB 1  
SOUTHWEST PETROCHEM 9   SUBTERRANEAN 1   TETRA-M 4   TIBE 3  
SOUTHWEST PETROLEUM 9   SUBURBAN 21   TEX-CAN 12   TICE 5  
SOUTHWEST PRODUCTION 13   SUBURBAN PROPANE 5   TEX-CON 7   TIDAL 67  
SOUTHWEST SERVICES 1   SUE-ANN 112   TEX-FEL 1   TIDE WEST OIL 5  
SOUTHWEST TEXAS 1   SUEMAUR 185   TEX-HEX 1   TIDELANDS 2  
SOUTHWEST WORKOVER 18   SUGARBERRY 3   TEX-KEN 1   TIDEMAN 2  
SOUTHWESTERN 194   SUGNA 2   TEX-LA 2   TIDEMARK 4  
SOUTHWOOD 13   SUHA 1   TEX-LAND 2   TIDEWATER 309  
SOUTHWORTH 22   SUL PETRO INTERNATIONAL 6   TEX-LEE 2   TIDEWAY 8  
SOVEREIGN 38   SULLIVAN 69   TEX-O 3   TIDY 1  
SOWARBY 2   SULO 6   TEX-O-CAL 1   TIERRA 11  
SPADDEN 1   SULPHUR RIVER 1   TEX-O-WELL 1   TIGER 63  
SPANISH CAMP 11   SULTEX 6   TEX-OIL 3   TIGHE 2  
SPARKMAN 21   SUMIK 2   TEX-PENN 19   TIMBERLAND 1  
SPARKS 4   SUMMITT 1   TEX-STAR 77   TIMBUCK 2  
SPARTA 28   SUN 3400   TEXACAN 3   TINKER 1  
SPARTAN 72   SUN BELT 2   TEXACO 1320   TIPCO 1  
SPEAR 2   SUNBEAM 1   TEXAKOMA 11   TIPPERARY 175  
SPEARS 2   SUNBURST 2   TEXAKOTA 8   TITAN 4  
SPEEDMAN 3   SUNCO 1   TEXAM 38   TITANIC 12  
SPEEDWELL 12   SUNCOAST 6   TEXANA 18   TM ENERGY 1  
SPELLER 1   SUNDANCE 21   TEXARK 9   TOBIN 40  
SPENCER 27   SUNDOWN 8   TEXAS AMERICAN 47   TODD 3  
SPERRY-MAC 1   SUNGAS 1   TEXAS ASPHALT & REFINING 1   TOIYABE 1  
SPERRY-YOUNG 1   SUNGLAZE 5   TEXAS ATLAS 10   TOKLAN 1  
SPEYRER 1   SUNNYFIELD 7   TEXAS BISON 1   TOLBERT 1  
SPICE 16   SUNOCO 1   TEXAS BRITISH 1   TOLTECH 3  
SPIDLE 4   SUNRAY 709   TEXAS BUFFALO 1   TOMCO 23  
SPILLER 24   SUNROC 2   TEXAS CANADIAN 1   TOMLINSON 29  
SPINDLETOP 1   SUNSET 13   TEXAS CITY 43   TOMPKINS 3  
SPIRIT 2   SUNSHINE 3   TEXAS COAST 3   TONDU 1  
SPOOR 5   SUPER OIL 5   TEXAS COASTAL 10   TONKAWA 1  
SPRADLEY 2   SUPERIOR 615   TEXAS COMPANY 1658   TOP 2  
SPUR 2   SUPREME 2   TEXAS CONSERVATIVE 41   TOP OP 1  
SQUARE MILE 17   SUPRON 4   TEXAS CONSOLIDATED 8   TOPAT 4  
ST ALBANS 1   SUSSEX-VENTURE 1   TEXAS CRUDE 53   TOPP 5  
ST LANDRY DRILLING 1   SUTHERLAND 1   TEXAS CRUSADERS 5   TOPS 1  
ST. JOE PETROLEUM 11   SUTTLE 1   TEXAS DRILLERS 2   TORCH 5  
ST. JOHN 3   SUTTON 500   TEXAS DRILLING 5   TORO DRILLING 6  
STABLE 1   SWEARINGEN 3   TEXAS EASTERN 120   TORO EXPLORATION 5  
STACCATO 2   SWIFT 175   TEXAS EMPIRE 1   TORONADO 1  
STACEY 1   SWIGER 7   TEXAS ENDEAVOR 1   TORTILLA 1  
STACK 1   SWINGLINE 1   TEXAS ENERGY 40   TOTAL E&P USA 13  
STAGGS 1   SWOPE 21   TEXAS FUEL 21   TOTAL EXPLORATION 8  
STAHL 89   SYDRI 2   TEXAS GAS 66   TOTAL LEONARD 4  
STALLION 9   SYDSON 12   TEXAS GENERAL 23   TOTAL MINATOME 1  
STAMEY 1   SYNERGY 5   TEXAS GULF 141   TOTAL PETROLEUM 11  
STAMPEDE 29   SYNURA 4   TEXAS GULF SULPHUR 8   TOTALFINAELF 11  
STANCO 3   T & T 10   TEXAS HYDROCARBONS 1   TOTO 1  
STANDARD 496   T CATTLE CO. 13   TEXAS INDEPENDENT 61   TOUCHSTONE 7  
STANFORD 1   T D C 58   TEXAS INTERNATIONAL 33   TOURMALINE 1  
STANLEY 1   T D EXPLORATION 6   TEXAS INTERSTATE 5   TOWER 8  
STANOLIND 664   T D OPERATING 5   TEXAS L 1   TOWNER 5  
STANROSS 1   T G & G 1   TEXAS LAND 8   TOWNSEND 5  
STAPLES 39   T G M 4   TEXAS LAND & TRADING 2   TRACE 27  
STAPPER 1   T G S 1   TEXAS LEASE 1   TRADE 1  
STAR 12   T G X 2   TEXAS LIBERTY 6   TRADERS OIL 8  
STAR CRUDE 2   T I C A 1   TEXAS MERIDIAN 14   TRAFALGAR 15  
STAR FALCON 1   T I P C O 20   TEXAS MID-WESTERN 1    
STAR OF TEXAS 4   T J C 1   TEXAS NATIONAL 5    
STAR-NORTH 1   T K A 15   TEXAS NORTHEAST 23    
STARBUCK 1   T N DEVELOPMENT 1   TEXAS OIL & GAS 1384    
STARCO 4   T N T 1   TEXAS OIL ASSOCIATES 1    
STARDUST 10   T O P S 2   TEXAS OIL PRODUCING 1    
Operators(532): TRAHAN - ZORRO
Operator Count   Operator Count   Operator Count   Operator Count  
TRAHAN 13   UNIVERSAL 14   WARNCKE 85   WILSON, SAM E. 149  
TRAILWAY 2   UNOCAL 1   WARNER-QUINLAN 4   WIMMER 4  
TRAILWEST 2   UPTON 1   WARREN 104   WINCH 2  
TRAIN 1   URANIUM RESOURCES 1   WARRIOR 51   WINCHESTER 5  
TRAKO 1   URANIUM SULPHUR 1   WARWICK 4   WINDFOHR 10  
TRANS WEST 1   URSA 4   WASHINGTON 4   WINDRUSH 1  
TRANS-CANADA 11   URSCHEL 2   WASSON 1   WINDSOR 59  
TRANS-DELTA 9   URSILLO 1   WATCO 12   WINDWARD 1  
TRANS-PECOS 1   USSERY 27   WATERBURY 1   WINFIELD 1  
TRANS-STATE 2   UTAH 4   WATERCAT 1   WINGERT 4  
TRANSAMERICA NAT GAS 1   UTEX 5   WATERS 103   WINGLER 3  
TRANSAMERICAN 183   UTILITIES NATURAL 1   WATFORD 2   WINN 485  
TRANSCO 14   UTX 1   WATKINS 1   WINN & TX SEABOARD 1  
TRANSCONTINENTAL 15   UVALDE 5   WATSON 36   WINNIPEG 2  
TRANSFUEL 1   VAALCO 1   WATT 1   WINSAUER 2  
TRANSGLOBAL 1   VAHLSING 2   WATTS 2   WINTER GARDEN SUPPLY 1  
TRANSIERRA 3   VALENCE 3   WAY OIL 1   WINTERMUTE 1  
TRANSOCEAN 20   VALERIUS 5   WAYNE 7   WINTERS-DALY 1  
TRANSQUEST 7   VALERO 5   WEATHERSTON 21   WINTERSHALL 2  
TRANSTEXAS 206   VALIANT 1   WEAVER 182   WINWELL 1  
TRANSWESTERN 148   VALIDUS 1   WEBBCO 2   WIRT 2  
TRANT 7   VALLEY 8   WEBER 13   WIS-TEX 1  
TRAP ROCK 1   VALLEY STEEL 1   WEBSTER 24   WISE 43  
TRAVIS 14   VALOR 2   WECO 10   WISE & LEWIS 1  
TREDUN 1   VALTEX 1   WEEKLY 3   WISE & THOMAS 1  
TREND 14   VALWOOD 1   WEEKS 10   WISEMAN 43  
TREPEL 2   VAN DRESAR 6   WEGENER 1   WISENBAKER 1  
TRI OIL & GAS 2   VAN DYKE 5   WEHMEYER 10   WISER 43  
TRI-C 181   VAN NORMAN 11   WEIGAND 3   WITHERSPOON 13  
TRI-COUNTY 3   VAN WAY 4   WEIGEL 4   WM&W 2  
TRI-ESS 3   VAN WORMER 2   WEIMER 1   WOFFORD 118  
TRI-EX 7   VANDERBILT 42   WEINERT 11   WOG 1  
TRI-MARK 77   VANGUARD 2   WEINFIELD 1   WOLENSKY 1  
TRI-STAR PETROLEUM 2   VANTAGE 1   WEISER-BROWN 4   WOLF 2  
TRI-STATE 10   VAQUERO 16   WEISKETTEL 1   WOLF'S HEAD 3  
TRI-UNION 2   VARI 1   WEISZ 1   WOLFE 1  
TRIAD 17   VARN 238   WELCH 19   WOLFF 1  
TRIANGLE THREE 3   VARNADORE 3   WELDER 51   WOLFSON 1  
TRICE 34   VASSEY 11   WELDER-HEYER 11   WOLLETT 1  
TRICENTROL 9   VASSEY & McIVER 1   WELDON 14   WOLVERINE 8  
TRIDENT 32   VASTAR 42   WELHAUSEN 14   WOMACK 29  
TRIGG 1   VAUGHAN 9   WELL 2   WONDERLAND 1  
TRINITY 92   VAUGHN 55   WELL MAKERS 1   WOOD 133  
TRIO 40   VECTOR 22   WELLCO 1   WOOD HI 17  
TRIO-H 1   VEGA 30   WELLINGTON 97   WOODARD 7  
TRIPLE A 4   VEIGEL 5   WELLS 22   WOODCO 3  
TRIPLE J 4   VELCO 2   WELSH 16   WOODFIN 1  
TRIPLE L 235   VENDETTA 1   WELTMAN 89   WOODHAM 20  
TRIPLE S 18   VENEX 6   WENDELL 1   WOODLAND 1  
TRISTAR EXPLORATION 2   VENOCO 1   WENSKE 3   WOODLEY 20  
TRITON 27   VENTANNA 2   WENTZ 3   WOODMAN 6  
TRIUM 2   VENTEX 34   WERBLOW 1   WOODS 30  
TRIUMPH 2   VENTURA O & G 1   WESCOL 5   WOODSON 5  
TROPHY 1   VENTURE 8   WESSELY 15   WOODWARD 13  
TROPORO 18   VENUS 79   WEST 136   WOOLEY 3  
TROTEX 1   VERITAS 4   WEST ARTESIA 19   WOOLF 1  
TROTTER 13   VERMILLION 2   WEST CENTRAL DRILLING 3   WOOLLEY 1  
TROY 1   VERNA 1   WEST EAST 1   WOOLSEY 6  
TRUBEY 1   VERNON 4   WEST ELGIN 1   WOOLVERINE 3  
TRUCE 1   VERNOR 7   WEST PAN 1   WORD 1  
TRUE 4   VERNPORT 3   WEST PETROLEUM 20   WORLD HYDROCARBON 1  
TRULL 7   VERSA 5   WEST TULETA 9   WORLDWIDE 4  
TRUNKLINE 14   VERUS 1   WESTAG 4   WORLEY 6  
TRUSSEL 2   VESENMEIR 2   WESTBROOK 3   WORMSER 1  
TRYBUS 1   VESP 1   WESTCHASE 7   WORTH 1  
TSCHOEPE 30   VESSELS 1   WESTERN ALLIANCE 3   WRANGLER 1  
TSESMELIS 42   VETRA 1   WESTERN CONSOLIDATED 2   WRATHER 38  
TSOCO 11   VETTER 2   WESTERN GULF 38   WREN 1  
TUBULAR 3   VICE 2   WESTERN NATURAL 115   WRIGHT 36  
TUCKER 39   VICK 39   WESTERN OIL 9   WRIGHTSMAN 7  
TULE LAKE 1   VICKERS 16   WESTGATE 1   WUNDERLICH 1  
TULTEX 1   VICTORIA 17   WESTHALL 36   WWXPLORATION 1  
TURBEVILLE 2   VICTORY 8   WESTHEIMER 1   WYMORE 89  
TURK 4   VIDAURI OIL 1   WESTLAND 64   WYNN 9  
TURNBULL 30   VIGIL 1   WESTMORELAND 1   WYNN-CROSBY 17  
TURNER 74   VIKING 67   WESTON 8   WYNNE 24  
TUSCA 2   VINTAGE 3   WESTPAN 2   WYOMING 1  
TUSKAR (TEXAS) 2   VIOLET 1   WESTPORT 29   WYRICK 1  
TUTHILL 10   VIPERS 1   WHALEN 1   WYTEX 1  
TWIN 11   VIRLAR 11   WHARTON 1   X B ENERGY 4  
TWO 1   VIRTEX 7   WHATLEY 1   X C L-TEXAS 3  
TWO RIVERS 1   VISA 2   WHEELER 11   X O G 9  
TWO, INC. 1   VISTA 3   WHEELOCK 15   X T O 5  
TX PETROLEUM 39   VITERI 1   WHELESS 2   X Z L 2  
TXCO 3   VITOL 10   WHERRY & GREEN 27   XEQUIJEL 1  
TYMER 1   VITRAMAR 1   WHIFFEN 21   YAEGER 1  
TYNAN 2   VIVIAN 1   WHISENANT 2   YAMAC 6  
U M C 1   VIVIENNE 4   WHITAKER 3   YARBOROUGH 52  
U N C TEXAS 7   VOIGHT 25   WHITCLAY 4   YATES 21  
U N INDUSTRIES 1   VOLLMERING 5   WHITE 3   YEATES 1  
U S ENERCORP 52   VOLVO 2   WHITE BRUSH 1   YEGUA 7  
U S ENERGY 5   VOMELA 10   WHITE SANDS 4   YEHUDE 1  
U S ENHANCED 2   VON ROEDER 10   WHITE SHIELD 6   YOAKUM 1  
U S EXPL. 5   VOSS 11   WHITEHALL 3   YORK 4  
U S EXPLORATION 26   VOYAGER 5   WHITEHEAD 8   YORKTOWN 2  
U S GEOLOGICAL SURVEY 1   VOYLES 2   WHITEMAN 2   YORO 1  
U S GOVERNMENT 1   VRATIS 1   WHITENER 5   YOUNG 40  
U S HORIZONTAL 1   W & T OFFSHORE 3   WHITESANDS 6   YOUNGBLOOD 4  
U S HYDROCARBONS 2   W A R 2   WHITESTONE 10   YOUNT 4  
U S MINERAL 5   W C S 8   WHITEX 1   YTURRIA 1  
U S OIL 5   W D A 13   WHITFIELD 1   YUCCA 4  
U S OPERATING 26   W G G OIL 5   WHITING 30   YUHL 2  
U S RESOURCES 1   W H L 1   WHITMAN 6   YUMA 16  
U S U 2   W J C 2   WHITMAR 6   ZACHRY 42  
U T X EXPL. 4   W J W 2   WHITNEY 1   ZAF 1  
ULCAK 3   W M & W 13   WHITSON 10   ZANDER 1  
ULTRA 8   W R G 4   WHITTIER 3   ZANES FREIGHT 1  
ULTRAMAR 11   W R R 22   WHITTINGTON 20   ZAPATA 11  
UNDERWOOD 2   W S M PETROLEUM 6   WICHITA 6   ZARSKY 1  
UNION CARBIDE 6   W W ENERGY 3   WICKER 1   ZAVALA 4  
UNION DOMINION 1   WADE 6   WICKLUND 1   ZAZA ENERGY 2  
UNION EXPLORATION 11   WADI 5   WIEDERKEHR 2   ZEITGEIST 1  
UNION GAS 62   WADSWORTH 29   WIEGAND 10   ZEITLOW 1  
UNION OIL 38   WAGGONER 3   WIER 2   ZENERGY 7  
UNION OIL - CALIFORNIA 171   WAGLEY 2   WIGHTMAN 2   ZENI 3  
UNION OIL - LOUISIANA 6   WAGNER 176   WIL-MC 1   ZENITH 17  
UNION PACIFIC 160   WAINCO 8   WIL-TEX 30   ZERO 27  
UNION PETRO 2   WAINOCO 68   WILBANKS 10   ZILKHA 6  
UNION PRODUCING 490   WALDRON 4   WILCOX 33   ZIMET 7  
UNION PRODUCTION 2   WALES 10   WILDCATS 2   ZIMMERMAN 13  
UNION SULPHUR 39   WALKER 21   WILEY 3   ZINK 30  
UNION TEXAS 70   WALLACE 14   WILKERSON 3   ZINKE 19  
UNIT 33   WALLING 2   WILKINSON 2   ZINN 76  
UNITED ENERGY 8   WALLIS ENERGY 5   WILLIAM 2   ZION 1  
UNITED GAS 5   WALSH 4   WILLIAMS 130   ZOCH 31  
UNITED NORTH & SOUTH 26   WALTER 20   WILLIAMSON 16   ZOLLER 8  
UNITED OIL 163   WALTERS 3   WILLIFORD 2   ZONERGY 4  
UNITED OIL & MINERALS 3   WALTON 16   WILLISTON BASIN 1   ZOOK & SLOAN 1  
UNITED PETROLEUM 1   WALTON & GALT 1   WILLRICH 1   ZOOM 18  
UNITED PETROSEARCH 1   WAPITI 2   WILLS 2   ZORRO 1  
UNITED PRODUCING 97   WARCO 1   WILMAR 4    
UNITED PRODUCTION 34   WARD 31   WILMOTH 1    
UNITED RESOURCES 13   WARLIT 12   WILSHIRE UNION 1    
UNITED TEXAS 6   WARLOCK 1   WILSON 94