Oil & Gas Operators in Mcmullen County
Every operator with permit history or a current well inventory in Mcmullen County, Texas.
Operators All Time
763
Active Past 12mo
16
Permits 12mo
110
Permits All Time
8,541
| OPERATOR | PERMITS 12MO | PERMITS ALL | WELLS | FIRST PERMIT | LAST PERMIT |
|---|---|---|---|---|---|
| EOG RESOURCES, INC. | 29 | 548 | 386 | 2009-09-16 | 2026-07-02 |
| BPX OPERATING COMPANY | 13 | 215 | 264 | 2012-10-02 | 2026-01-30 |
| GULFTEX ENERGY, LLC | 13 | 72 | 72 | 2007-05-16 | 2026-05-15 |
| CATURUS ENERGY, LLC | 10 | 10 | 74 | 2025-08-18 | 2026-07-20 |
| SILVERBOW RESOURCES OPER, LLC | 8 | 62 | 96 | 2014-09-08 | 2025-11-25 |
| TIDAL PETROLEUM, INC. | 8 | 11 | 1 | 2003-09-16 | 2025-09-05 |
| BURLINGTON RESOURCES O & G CO LP | 7 | 88 | 45 | 2012-01-23 | 2026-07-20 |
| INEOS USA OIL & GAS LLC | 6 | 22 | 474 | 2022-06-10 | 2025-12-16 |
| VERDUN OIL & GAS LLC | 4 | 65 | 69 | 2018-04-05 | 2026-06-23 |
| KALER ENERGY CORP. | 3 | 15 | 12 | 2001-10-04 | 2026-06-01 |
| COLUMBUS ENERGY, LLC | 2 | 2 | 14 | 2026-04-20 | 2026-06-29 |
| ROYAL PRODUCTION COMPANY, INC. | 2 | 4 | 1 | 2005-02-16 | 2026-03-20 |
| KIMMERIDGE TEXAS GAS, LLC | 2 | 42 | 0 | 2023-03-01 | 2025-08-18 |
| EVX OPERATING LLC | 1 | 1 | 3 | 2026-01-27 | 2026-01-27 |
| ETC TEXAS P/L, LTD | 1 | 1 | 1 | 2025-11-18 | 2025-11-18 |
| SHORE PETROLEUM CORP. | 1 | 1 | 0 | 2026-06-02 | 2026-06-02 |
| VARAS ENERGY OPERATING COMPANY | 0 | 0 | 590 | -- | -- |
| YUCCA OIL COMPANY | 0 | 0 | 523 | -- | -- |
| MURPHY EXPL. & PROD. CO. - USA | 0 | 418 | 257 | 2010-10-07 | 2025-02-04 |
| CRESCENT ENERGY OPERATING LLC | 0 | 0 | 182 | -- | -- |
| XTO ENERGY INC. | 0 | 35 | 163 | 2010-02-08 | 2018-06-11 |
| TRINITY OPERATING (USG), LLC | 0 | 8 | 141 | 2019-01-14 | 2019-01-16 |
| REPSOL OIL & GAS USA, LLC | 0 | 19 | 138 | 2022-02-07 | 2024-04-09 |
| CHESAPEAKE OPERATING, L.L.C. | 0 | 274 | 124 | 2010-01-27 | 2023-05-11 |
| GTG OPERATING LLC | 0 | 0 | 111 | -- | -- |
| JAVELIN ENERGY PARTNERS MGMT LLC | 0 | 0 | 93 | -- | -- |
| LOMA OIL COMPANY | 0 | 11 | 89 | 1978-04-27 | 2003-10-01 |
| PAISANO MINERALS COMPANY | 0 | 5 | 73 | 1982-08-30 | 1986-10-06 |
| AWP OPERATING COMPANY | 0 | 15 | 64 | 1993-03-26 | 2021-03-05 |
| SWIFT ENERGY COMPANY | 0 | 493 | 54 | 1989-06-28 | 2005-12-07 |
| ATLAS OPERATING LLC | 0 | 0 | 51 | -- | -- |
| WR RESOURCES LLC | 0 | 0 | 51 | -- | -- |
| TEXACO E & P INC. | 0 | 24 | 47 | 1992-08-27 | 2001-05-22 |
| SWIFT ENERGY OPERATING, LLC | 0 | 346 | 45 | 2006-01-10 | 2017-04-26 |
| LAGERQUIST, WALTER G., JR. | 0 | 23 | 45 | 1977-11-16 | 1989-11-17 |
| MARATHON OIL EF LLC | 0 | 61 | 37 | 2012-04-11 | 2019-01-28 |
| ROSEWOOD RESOURCES, INC. | 0 | 43 | 36 | 2018-11-26 | 2024-10-16 |
| DORADO DRILLING INC. | 0 | 0 | 35 | -- | -- |
| CASTLEROCK EF OPERATING LLC | 0 | 21 | 32 | 2014-04-28 | 2024-09-25 |
| EXXON CORP. | 0 | 53 | 30 | 1977-07-21 | 1996-03-11 |
| TEXACO INC. | 0 | 126 | 29 | 1977-10-14 | 1990-11-28 |
| SPARKMAN ENERGY, LLC | 0 | 2 | 29 | 2014-08-06 | 2014-08-06 |
| SIMRAY OPERATING CORP. | 0 | 4 | 27 | 2004-01-09 | 2008-09-05 |
| WELHAUSEN OPERATING COMPANY, LP | 0 | 90 | 24 | 2002-06-27 | 2014-02-05 |
| WHITEHEAD OIL CO. | 0 | 25 | 23 | 1979-11-20 | 1993-07-14 |
| VERDUN OIL EF II LLC | 0 | 0 | 22 | -- | -- |
| RICKAWAY ENERGY CORP. | 0 | 0 | 22 | -- | -- |
| ARCO OIL & GAS CO. | 0 | 73 | 19 | 1977-09-01 | 1994-02-09 |
| HAWTHORN ENERGY PARTNERS, LLC | 0 | 21 | 19 | 2002-06-20 | 2006-05-08 |
| ATLANTIC RICHFIELD CO. | 0 | 6 | 19 | 1977-09-01 | 1979-03-27 |
| WAGNER OIL COMPANY | 0 | 4 | 18 | 2000-04-18 | 2007-03-30 |
| ORX RESOURCES L.L.C. | 0 | 0 | 18 | -- | -- |
| ELDON OIL CO. | 0 | 0 | 17 | -- | -- |
| BELLOWS & DUSEK | 0 | 0 | 16 | -- | -- |
| MERTA MIKE | 0 | 0 | 16 | -- | -- |
| HUGHES DAN A. COMPANY L.P. | 0 | 0 | 16 | -- | -- |
| ENERQUEST OPERATING L.L.C. | 0 | 34 | 15 | 2007-04-10 | 2019-03-05 |
| CARIBBEAN ENERGY LLC II | 0 | 0 | 15 | -- | -- |
| WYNN-CROSBY OPERATING, LTD. | 0 | 9 | 14 | 2011-05-10 | 2015-10-13 |
| RUTHERFORD OIL CORPORATION | 0 | 25 | 13 | 1983-08-24 | 2016-11-01 |
| TRIUM, LTD. | 0 | 1 | 13 | 2022-08-15 | 2022-08-15 |
| BULL OIL COMPANY LLC | 0 | 0 | 13 | -- | -- |
| PROLINE ENERGY RESOURCES INC | 0 | 0 | 13 | -- | -- |
| NITRO OIL & GAS LLC | 0 | 0 | 12 | -- | -- |
| BASS ENTERPRISES PRODUCTION CO. | 0 | 16 | 11 | 1985-11-20 | 2001-02-27 |
| SIMRAY OIL & GAS, INC. | 0 | 2 | 11 | 1993-02-10 | 1998-10-13 |
| PEARL, BILL H. PRODUCTIONS, INC. | 0 | 1 | 11 | 2007-07-10 | 2007-07-10 |
| PETROLERO CORP. | 0 | 31 | 10 | 1978-09-05 | 1988-03-25 |
| DALE OPERATING COMPANY | 0 | 21 | 10 | 1987-09-03 | 1993-04-14 |
| TRACKER OIL & GAS INC. | 0 | 0 | 10 | -- | -- |
| HUMBLE OIL & REFINING CO. | 0 | 0 | 10 | -- | -- |
| OUTLINE OIL COMPANY LLC | 0 | 0 | 10 | -- | -- |
| CHESAPEAKE OPERATING, INC. | 0 | 682 | 9 | 2010-01-27 | 2014-10-27 |
| AURORA RESOURCES CORPORATION | 0 | 30 | 9 | 2005-12-20 | 2019-05-22 |
| SUTTON PRODUCING CORP. | 0 | 24 | 9 | 1980-02-20 | 2017-08-31 |
| SAN ISIDRO DEVELOPMENT CO, L. C. | 0 | 12 | 9 | 2004-09-09 | 2018-12-31 |
| SOUTHERN OIL & GAS LLC | 0 | 7 | 9 | 2020-07-13 | 2021-05-13 |
| DEVON ENERGY PRODUCTION CO, L.P. | 0 | 2 | 9 | 2006-04-25 | 2006-04-25 |
| REMORA OPERATING LLC | 0 | 0 | 9 | -- | -- |
| LS OIL | 0 | 0 | 9 | -- | -- |
| SCHROEDER PRODUCTION LLC | 0 | 0 | 9 | -- | -- |
| HURD ENTERPRISES, LTD. | 0 | 33 | 8 | 1996-04-23 | 2021-01-12 |
| U.S. ENERCORP, LTD. | 0 | 25 | 8 | 2004-07-15 | 2009-09-02 |
| GINCO OPERATING CO. | 0 | 0 | 8 | -- | -- |
| FREER OIL CO. | 0 | 0 | 8 | -- | -- |
| EL MESTENO ENERGY LLC | 0 | 0 | 8 | -- | -- |
| MORRILL SALLIE K. | 0 | 0 | 8 | -- | -- |
| SAN CAJO OIL COMPANY | 0 | 0 | 8 | -- | -- |
| TANOS PRODUCTION INC. | 0 | 0 | 8 | -- | -- |
| HAWN BROTHERS COMPANY | 0 | 29 | 7 | 1987-04-14 | 1997-02-21 |
| WHITING OIL AND GAS CORPORATION | 0 | 16 | 7 | 2004-04-01 | 2012-11-28 |
| BP AMERICA PRODUCTION COMPANY | 0 | 15 | 7 | 2002-05-29 | 2015-12-07 |
| FIELD PETROLEUM CORP. | 0 | 4 | 7 | 2019-04-25 | 2024-07-18 |
| AGERON ENERGY, LLC | 0 | 3 | 7 | 2021-02-17 | 2021-12-08 |
| SUN EXPLORATION & PRODUCTION CO. | 0 | 3 | 7 | 1977-07-26 | 1989-01-18 |
| SECONDARY OIL CORP. INC. | 0 | 0 | 7 | -- | -- |
| EL DORADO GAS & OIL INC. | 0 | 0 | 7 | -- | -- |
| BRECK OPERATING CORP. | 0 | 0 | 7 | -- | -- |
| ZONE RIDGE OPERATING LLC | 0 | 0 | 7 | -- | -- |
| BLUEBONNET OIL & GAS | 0 | 0 | 7 | -- | -- |
| HAMON JAKE L. | 0 | 0 | 7 | -- | -- |
| PETRO-GUARD PRODUCTION L.L.C. | 0 | 0 | 7 | -- | -- |
| WAPITI OPERATING, LLC | 0 | 19 | 6 | 2013-02-15 | 2014-10-28 |
| HARVEY, K. S. | 0 | 1 | 6 | 1982-08-02 | 1982-08-02 |
| FIRST ROCK, INC. | 0 | 1 | 6 | 2014-05-08 | 2014-05-08 |
| ELBO CO. THE | 0 | 0 | 6 | -- | -- |
| WHITING PETROLEUM CORPORATION | 0 | 0 | 6 | -- | -- |
| GLG OIL & GAS CORP. | 0 | 0 | 6 | -- | -- |
| DORAN W. H. JR. | 0 | 0 | 6 | -- | -- |
| WELHAUSEN OPERATING CO., INC. | 0 | 19 | 5 | 1990-01-15 | 2001-03-21 |
| SUN EXPL. & PROD. CO.-CORPUS | 0 | 12 | 5 | 1979-10-11 | 1986-10-22 |
| ORCA OPERATING COMPANY, LLC | 0 | 6 | 5 | 2014-01-18 | 2014-07-17 |
| REPUBLIC RESOURCES, LLC. | 0 | 4 | 5 | 2000-08-03 | 2011-06-08 |
| FIRSTRIKE ENERGY CORPORATION | 0 | 1 | 5 | 2023-05-30 | 2023-05-30 |
| PETRA OLEUM CORP. | 0 | 0 | 5 | -- | -- |
| SOUTHWEST ROYALTIES INC. | 0 | 0 | 5 | -- | -- |
| DKW ENERGY INC. | 0 | 0 | 5 | -- | -- |
| TALISMAN ENERGY USA INC. | 0 | 189 | 4 | 2010-07-22 | 2015-07-22 |
| BHP BILLITON PET(TXLA OP) CO | 0 | 122 | 4 | 2011-07-22 | 2019-06-21 |
| MANTI OPERATING COMPANY | 0 | 56 | 4 | 2003-08-18 | 2008-09-05 |
| HANSON MINERALS CO. | 0 | 54 | 4 | 1979-07-23 | 1993-07-20 |
| LINDHOLM OIL, INC. | 0 | 25 | 4 | 1990-08-22 | 2001-12-31 |
| DELRAY OIL, INC. | 0 | 21 | 4 | 1983-09-27 | 1998-07-17 |
| ESCONDIDO RESOURCES II, LLC | 0 | 18 | 4 | 2008-02-27 | 2013-12-13 |
| VASTAR RESOURCES, INC. | 0 | 16 | 4 | 1994-03-24 | 2001-08-08 |
| SKINNER CORP-NEWMAN BROS.DRLG.CO | 0 | 15 | 4 | 1977-09-08 | 1980-04-25 |
| GOLDSTON OIL CORP. | 0 | 12 | 4 | 1977-08-17 | 1992-04-01 |
| FINA OIL & CHEMICAL COMPANY | 0 | 12 | 4 | 1985-08-02 | 1991-11-12 |
| ANTARES OIL CORPORATION | 0 | 7 | 4 | 1977-06-24 | 1981-07-17 |
| KEBO OIL & GAS, INC. | 0 | 7 | 4 | 1988-11-16 | 2004-10-15 |
| CARBURANTE EXPLORATION CO, LTD. | 0 | 3 | 4 | 2019-06-12 | 2019-12-09 |
| VINTAGE PETROLEUM, INC. | 0 | 2 | 4 | 1986-03-21 | 1986-03-21 |
| TEXAS, LES & CO. | 0 | 1 | 4 | 2014-06-05 | 2014-06-05 |
| BRITANCO, L.L.C. | 0 | 1 | 4 | 2011-09-02 | 2011-09-02 |
| SILVER HILL ENERGY OPERATING LLC | 0 | 0 | 4 | -- | -- |
| CROSSTEX ENVIRONMENTAL STX LLC | 0 | 0 | 4 | -- | -- |
| UMMA RESOURCES LLC | 0 | 0 | 4 | -- | -- |
| WALKING X OIL CO. | 0 | 0 | 4 | -- | -- |
| BLUE FLAME OPERATING COMPANY LLC | 0 | 0 | 4 | -- | -- |
| OMEGA ENERGY LLC | 0 | 0 | 4 | -- | -- |
| HILCORP ENERGY COMPANY | 0 | 0 | 4 | -- | -- |
| ATKINSON OPERATIONS LLC | 0 | 0 | 4 | -- | -- |
| ROYAL OIL & GAS CORP. | 0 | 108 | 3 | 1979-12-11 | 1990-07-09 |
| CAMDEN RESOURCES, INC. | 0 | 37 | 3 | 2002-05-30 | 2007-05-21 |
| CHANOCO CORPORATION | 0 | 15 | 3 | 1982-12-07 | 1985-12-05 |
| CABOT OIL & GAS CORPORATION | 0 | 14 | 3 | 1996-02-12 | 1998-12-09 |
| MCLAIN EXPLORATION, INC. | 0 | 12 | 3 | 1992-06-23 | 1994-08-04 |
| CHEVRON U. S. A. INC. | 0 | 11 | 3 | 1978-02-24 | 2011-08-10 |
| BLUESTONE NATURAL RES. II, LLC | 0 | 10 | 3 | 2013-10-21 | 2016-01-25 |
| MILLER, W. C. | 0 | 9 | 3 | 1981-02-12 | 1986-01-06 |
| TEXAS EASTERN TRANSMISSION CORP. | 0 | 7 | 3 | 1992-02-12 | 1998-05-29 |
| TEXAS SECONDARY OIL CORPORATION | 0 | 6 | 3 | 2008-03-25 | 2013-05-17 |
| SPILLER, ROBERT S. | 0 | 5 | 3 | 1987-12-30 | 1989-07-26 |
| STOUT CONSULTING SERVICES, INC. | 0 | 4 | 3 | 1983-05-27 | 1987-03-23 |
| TEXCAL ENERGY (GP) LLC | 0 | 4 | 3 | 2007-02-15 | 2007-10-29 |
| RESACA RESOURCES, L.L.C. | 0 | 3 | 3 | 2009-08-04 | 2009-08-21 |
| BLAIR-VREELAND | 0 | 3 | 3 | 1977-10-05 | 1979-10-02 |
| PETRO-LEWIS CORPORATION | 0 | 2 | 3 | 1982-07-15 | 1984-09-27 |
| FINLEY RESOURCES, INC. | 0 | 2 | 3 | 2008-06-27 | 2011-01-11 |
| OILTON RESOURCES, INC. | 0 | 2 | 3 | 2001-10-23 | 2002-02-22 |
| SUE-ANN PRODUCTION COMPANY | 0 | 1 | 3 | 1990-01-18 | 1990-01-18 |
| ARNOLD, KARL W. | 0 | 1 | 3 | 1978-08-16 | 1978-08-16 |
| PALMCO MANAGEMENT CO. | 0 | 1 | 3 | 1977-09-29 | 1977-09-29 |
| GEN. AMER. OIL CO. OF TEXAS | 0 | 0 | 3 | -- | -- |
| JANSSEN WAYNE ALLEN | 0 | 0 | 3 | -- | -- |
| THALMANN OILFIELD | 0 | 0 | 3 | -- | -- |
| COLOGNE PRODUCTION COMPANY | 0 | 0 | 3 | -- | -- |
| KENNE EXPLORATION INC. | 0 | 0 | 3 | -- | -- |
| HANKAMER CURTIS | 0 | 0 | 3 | -- | -- |
| L.T.D. EXPLORATIONS INC. | 0 | 0 | 3 | -- | -- |
| LIQUID PETROLEUM RESOURCES INC. | 0 | 0 | 3 | -- | -- |
| FREDONIA RESOURCES INC. | 0 | 0 | 3 | -- | -- |
| PATTERSON ENERGY CORPORATION | 0 | 0 | 3 | -- | -- |
| MARQUEE CORPORATION | 0 | 0 | 3 | -- | -- |
| TANA OIL & GAS CORP. | 0 | 83 | 2 | 1981-09-14 | 1989-09-15 |
| BLACKBRUSH O & G, LLC | 0 | 69 | 2 | 2012-06-08 | 2023-05-26 |
| CENTURY RESOURCES, INC. | 0 | 40 | 2 | 2003-02-27 | 2008-10-15 |
| MOBIL PRODUCING TX. & N.M. INC. | 0 | 20 | 2 | 1980-05-12 | 1990-10-24 |
| TERLINGUA OPERATING, LLC | 0 | 18 | 2 | 2017-05-11 | 2017-08-08 |
| NCEY HOLDINGS, LLC | 0 | 14 | 2 | 2008-04-26 | 2010-03-03 |
| PARKER & PARSLEY PRODUCING L.P. | 0 | 13 | 2 | 1995-04-04 | 1997-10-02 |
| DELTA EXPLORATION COMPANY, INC. | 0 | 11 | 2 | 2005-02-24 | 2008-09-11 |
| MAVERICK ENERGY & DEV. CORP. | 0 | 11 | 2 | 1999-08-06 | 2001-06-29 |
| BRIDGE OIL COMPANY, L. P. | 0 | 10 | 2 | 1991-10-01 | 1994-07-15 |
| DEKALB ENERGY COMPANY | 0 | 10 | 2 | 1990-10-17 | 1992-05-22 |
| CANNAN, MORRIS | 0 | 7 | 2 | 1980-11-10 | 1989-11-15 |
| KILROY COMPANY OF TEXAS, INC. | 0 | 7 | 2 | 1977-11-18 | 1990-04-19 |
| WARRIOR MANAGEMENT CO. | 0 | 7 | 2 | 1980-11-17 | 1987-04-13 |
| DRILLERS ENERGY SEARCH, INC | 0 | 6 | 2 | 1979-01-16 | 1984-12-13 |
| HOLLIMON OIL CORPORATION | 0 | 5 | 2 | 2000-08-23 | 2000-09-07 |
| TUCKER PETROLEUM, INC. | 0 | 5 | 2 | 1984-05-18 | 1984-08-22 |
| SKLAR EXPLORATION COMPANY LLC | 0 | 5 | 2 | 2004-08-27 | 2009-06-30 |
| PADON, FRANK B. OIL OPER., INC. | 0 | 5 | 2 | 1993-05-10 | 1996-05-22 |
| VALENCE OPERATING COMPANY | 0 | 5 | 2 | 2012-04-11 | 2025-02-26 |
| TREK RESOURCES, INC. | 0 | 4 | 2 | 2005-03-23 | 2012-07-23 |
| CAMDEN RESOURCES, LLC | 0 | 4 | 2 | 2008-10-28 | 2010-06-16 |
| HAWKINS, H. L., JR. | 0 | 3 | 2 | 1985-09-03 | 1988-03-23 |
| PETROLEUM EQUITIES CORP. | 0 | 3 | 2 | 1983-12-30 | 1984-05-29 |
| TEE OPERATING CO. | 0 | 3 | 2 | 1982-04-28 | 1986-03-20 |
| STZ PETROLEUM INC. | 0 | 2 | 2 | 1995-03-14 | 1995-03-14 |
| DEWBRE PETROLEUM CORPORATION | 0 | 2 | 2 | 2005-09-28 | 2008-09-05 |
| MK OIL AND GAS, INC. | 0 | 2 | 2 | 1978-04-10 | 1978-06-05 |
| CIMAREX ENERGY CO. OF COLORADO | 0 | 1 | 2 | 2012-10-10 | 2012-10-10 |
| WHEELER, JOHN D. | 0 | 1 | 2 | 1985-05-22 | 1985-05-22 |
| INDIAN OIL LTD. | 0 | 0 | 2 | -- | -- |
| APCO OIL CORPORATION | 0 | 0 | 2 | -- | -- |
| WHITE OAK OPERATING COMPANY LLC | 0 | 0 | 2 | -- | -- |
| CINCO NATURAL RESOURCES CORP. | 0 | 0 | 2 | -- | -- |
| SABALO EXPLORATION OPERATING LLC | 0 | 0 | 2 | -- | -- |
| SKELLY OIL CO. | 0 | 0 | 2 | -- | -- |
| BRYMER CONTRACTING INCORPORATED | 0 | 0 | 2 | -- | -- |
| SIMRAY GP LLC | 0 | 0 | 2 | -- | -- |
| GAS TRANSMISSION ORGANIZATIONINC | 0 | 0 | 2 | -- | -- |
| PETROLEUM DEVELOPMENTS INT LLC | 0 | 0 | 2 | -- | -- |
| POWERS OPERATING COMPANY | 0 | 0 | 2 | -- | -- |
| LA RONYA OIL & GAS | 0 | 0 | 2 | -- | -- |
| COASTAL STATES GAS PROD. CO. | 0 | 0 | 2 | -- | -- |
| LOS HIJOS DE SANCHEZ J LLC | 0 | 0 | 2 | -- | -- |
| ROWE W. EARL | 0 | 0 | 2 | -- | -- |
| CXY ENERGY INC. | 0 | 0 | 2 | -- | -- |
| TAYLOR & ETHERIDGE | 0 | 0 | 2 | -- | -- |
| NAILS OPERATING COMPANY LLC | 0 | 0 | 2 | -- | -- |
| NEW HORIZON INVESTMENTS LTD. | 0 | 0 | 2 | -- | -- |
| CHEVRON OIL CO THE CALIF CO DIV | 0 | 0 | 2 | -- | -- |
| OPERATOR P-5 NOT ON FILE | 0 | 0 | 2 | -- | -- |
| DRISCOLL S.W.D. INC. | 0 | 0 | 2 | -- | -- |
| DOWNING PATRICK H. | 0 | 0 | 2 | -- | -- |
| ALEGRE ENERGY INC. | 0 | 0 | 2 | -- | -- |
| DURANGO PETROLEUM INC. | 0 | 0 | 2 | -- | -- |
| PERDIDO ENERGY LLC | 0 | 0 | 2 | -- | -- |
| TEXAS INDEPENDENT EXPLOR LTD. | 0 | 0 | 2 | -- | -- |
| CHANDLER OIL & GAS LLC | 0 | 0 | 2 | -- | -- |
| LOCIN OIL CORPORATION | 0 | 0 | 2 | -- | -- |
| PETROTX OPERATING LLC | 0 | 0 | 2 | -- | -- |
| ROSS GAS AND OIL LTD. CO. | 0 | 0 | 2 | -- | -- |
| PENINSULA EXPLORATION COMPANY | 0 | 0 | 2 | -- | -- |
| B.P. PRODUCTIONS INC. | 0 | 0 | 2 | -- | -- |
| GRUBSTAKE INV. ASSN. INC. | 0 | 0 | 2 | -- | -- |
| MAG EXPLORATION LLC | 0 | 0 | 2 | -- | -- |
| HAMILTON-TEDFORD OPER. CO. LLC | 0 | 0 | 2 | -- | -- |
| COMSTOCK OIL & GAS, LP | 0 | 251 | 1 | 2010-07-21 | 2014-07-09 |
| AMERICAN EXPLORATION COMPANY | 0 | 70 | 1 | 1985-12-17 | 1997-04-21 |
| CARRIZO (EAGLE FORD) LLC | 0 | 62 | 1 | 2013-10-18 | 2019-10-23 |
| PORTAL DRILLING COMPANY | 0 | 52 | 1 | 1984-12-13 | 1989-06-30 |
| SHELL OIL COMPANY | 0 | 40 | 1 | 1977-06-24 | 1983-12-30 |
| AMERICAN COMETRA, INC. | 0 | 35 | 1 | 1988-03-02 | 1991-12-02 |
| HUGHES, DAN A. COMPANY | 0 | 28 | 1 | 1995-03-01 | 1998-05-14 |
| HILTY INTERESTS, INC. | 0 | 18 | 1 | 1983-11-03 | 1986-12-15 |
| BRAMMER ENGINEERING, INC. | 0 | 17 | 1 | 1982-06-18 | 1991-07-29 |
| TXO PRODUCTION CORP. | 0 | 15 | 1 | 1982-02-16 | 1985-08-20 |
| LAKEWOOD OPERATING, LTD. | 0 | 15 | 1 | 1993-02-04 | 1996-05-24 |
| STINGER OIL & GAS INC. | 0 | 14 | 1 | 1990-08-02 | 1996-01-11 |
| CD RESOURCES COMPANY | 0 | 14 | 1 | 1985-09-25 | 1996-06-13 |
| AOP OPERATING CORPORATION | 0 | 13 | 1 | 1987-07-16 | 1997-04-16 |
| DOUGLAS PETROLEUM, INC. | 0 | 13 | 1 | 1979-08-17 | 1983-03-21 |
| CONTINENTAL OIL COMPANY | 0 | 13 | 1 | 1977-06-30 | 1978-03-22 |
| BRUSH COUNTRY ENERGY, L.L.C. | 0 | 11 | 1 | 1993-02-24 | 1997-06-26 |
| TEXOZ E&P I, INC. | 0 | 10 | 1 | 2012-05-04 | 2013-05-13 |
| INLAND OCEAN, INC. | 0 | 10 | 1 | 1980-04-09 | 1993-12-02 |
| WALTER OIL & GAS CORPORATION | 0 | 9 | 1 | 1982-01-13 | 1984-04-09 |
| SIERRA RESOURCES, LLC | 0 | 9 | 1 | 2016-03-11 | 2019-09-13 |
| MILLER, W. C. OPERATING COMPANY | 0 | 9 | 1 | 1987-11-09 | 1994-10-05 |
| BROAD OAK ENERGY, INC. | 0 | 8 | 1 | 2007-01-30 | 2009-02-06 |
| ELLSWORTH, H. P. O&G PROPERTIES | 0 | 8 | 1 | 1989-07-24 | 2011-03-31 |
| DOLCH PRODUCTION, INC. | 0 | 8 | 1 | 1984-10-31 | 1991-01-08 |
| ACOCK ENGINEERING & OPERATING CO | 0 | 8 | 1 | 1983-08-18 | 1990-05-18 |
| DREYFUS, LOUIS NATURAL GAS CORP | 0 | 7 | 1 | 1992-12-16 | 1997-10-31 |
| WAINOCO OIL & GAS COMPANY | 0 | 7 | 1 | 1978-08-24 | 1982-06-09 |
| ORION RESOURCES, INC. | 0 | 6 | 1 | 1994-05-11 | 1995-02-16 |
| ENDURO OIL COMPANY INC. | 0 | 6 | 1 | 1983-03-23 | 1988-02-29 |
| TEXAS OIL & GAS CORP. | 0 | 6 | 1 | 1977-08-08 | 1980-07-14 |
| NEWMAN BROTHERS DRILLING COMPANY | 0 | 6 | 1 | 1984-04-12 | 1987-09-03 |
| MODERN EXPLORATION, INC. | 0 | 6 | 1 | 1999-10-04 | 2025-02-13 |
| SOHIO PETROLEUM CO. | 0 | 5 | 1 | 1983-11-28 | 1984-10-24 |
| MORMAC OIL & GAS CO. | 0 | 5 | 1 | 1977-11-16 | 1980-09-26 |
| WHITESANDS OPERATING, L.L.C. | 0 | 5 | 1 | 2005-07-27 | 2010-12-01 |
| ALAMO OPERATING COMPANY, L. C. | 0 | 5 | 1 | 2005-08-10 | 2006-03-15 |
| RIO EXPLORATION COMPANY | 0 | 5 | 1 | 1991-01-15 | 2000-10-30 |
| PETRUS OPERATING CO., INC. | 0 | 4 | 1 | 1978-02-28 | 1981-04-30 |
| UNION GAS OPERATING COMPANY | 0 | 4 | 1 | 2009-12-03 | 2010-04-21 |
| PARAGON RESOURCES, INC. | 0 | 4 | 1 | 1980-04-18 | 1984-02-22 |
| CASKIDS OPERATING COMPANY | 0 | 4 | 1 | 2010-07-22 | 2010-11-24 |
| OVERLY OPERATING CO. | 0 | 4 | 1 | 1979-12-18 | 1980-11-25 |
| DKD JOINT VENTURE | 0 | 4 | 1 | 1980-01-25 | 1980-07-25 |
| BAXTER, MURPHY H. | 0 | 4 | 1 | 1981-11-13 | 1989-09-19 |
| TENNECO OIL CO. | 0 | 4 | 1 | 1983-08-08 | 1986-02-26 |
| COX, EDWIN L. | 0 | 4 | 1 | 1977-06-15 | 1979-12-27 |
| HAMMAN OIL & REFG. CO. | 0 | 3 | 1 | 1981-07-09 | 1982-11-18 |
| H. & J. DRILLING COMPANY | 0 | 3 | 1 | 1978-12-01 | 1979-04-25 |
| CENTURA INCORPORATED | 0 | 3 | 1 | 1977-11-29 | 1980-02-21 |
| CARL, W. E. | 0 | 3 | 1 | 1981-03-27 | 1987-09-28 |
| J-A-H, INC. | 0 | 3 | 1 | 1978-11-29 | 1980-08-18 |
| BKV DCARBON VENTURES, LLC | 0 | 3 | 1 | 2025-02-04 | 2025-02-04 |
| TANA OIL AND GAS CORPORATION | 0 | 3 | 1 | 1993-05-20 | 1993-11-16 |
| HUGHES TEXAS PETROLEUM, LTD. | 0 | 3 | 1 | 1986-05-13 | 1986-09-16 |
| COLUMBIA ENERGY PROPERTIES, INC. | 0 | 2 | 1 | 1987-06-10 | 1989-06-07 |
| PHILLIPS PETROLEUM COMPANY | 0 | 2 | 1 | 1984-09-06 | 1985-12-09 |
| SOUTHLAND DRILLING CO., INC. | 0 | 2 | 1 | 1977-11-03 | 1978-11-07 |
| EVX MIDSTREAM PARTNERS LLC | 0 | 2 | 1 | 2019-01-09 | 2019-01-09 |
| PALEO OIL COMPANY LLC | 0 | 2 | 1 | 2023-05-04 | 2023-05-04 |
Showing the 300 most active of 763 operators.
Permit history from RRC drilling permits (updated daily); well inventories from the RRC wellbore schedule. See also all permits in Mcmullen County.