EnSignals Texas drilling permit data you can check against the source
◆Draft preview. We're still finalizing how we count (details). The data itself is real, from the RRC's public records, but some numbers could shift a little once the counting rules are locked in.

Where Texas is permitting: 2009Q4

Original drilling permits by county. Hover over a county to see its numbers. Click one to compare its most active operators.

← 2009Q3 · 2009Q4 · 2010Q1 →    permit counts · change vs prior quarter

0 1–2 3–9 10–29 30–99 100+

193 counties had at least one permit approved in 2009Q4.

Table view: every county with activity (209)
County2009Q3 2009Q4Δ Top operators (2009Q4)
ECTOR (135) 86 209 +123 COG OPERATING LLC (81) · DEVON ENERGY PRODUCTION CO, L.P. (34) · XTO ENERGY INC. (25)
ANDREWS (3) 169 180 +11 OK ARENA OPERATING COMPANY (68) · WILLIAMS, CLAYTON ENERGY, INC. (20) · ENERGEN RESOURCES CORPORATION (19)
TARRANT (439) 119 139 +20 CHESAPEAKE OPERATING, INC. (67) · DEVON ENERGY PRODUCTION CO, L.P. (26) · XTO ENERGY INC. (26)
MARTIN (317) 63 97 +34 ENDEAVOR ENERGY RESOURCES L.P. (21) · PIONEER NATURAL RES. USA, INC. (18) · OPAL RESOURCES OPERATING CO.,LLC (14)
REAGAN (383) 54 91 +37 BROAD OAK ENERGY, INC. (40) · PIONEER NATURAL RES. USA, INC. (23) · MARINER ENERGY, INC. (11)
UPTON (461) 85 88 +3 COG OPERATING LLC (15) · MARINER ENERGY, INC. (15) · SUMMIT PETROLEUM LLC (11)
MIDLAND (329) 58 87 +29 FASKEN OIL AND RANCH, LTD. (17) · HENRY RESOURCES LLC (16) · LINN OPERATING, INC. (10)
CROCKETT (105) 18 81 +63 FIML NATURAL RESOURCES, LLC (32) · APPROACH OPERATING LLC (23) · ANADARKO E&P COMPANY LP (8)
JOHNSON (251) 66 74 +8 CHESAPEAKE OPERATING, INC. (30) · EOG RESOURCES, INC. (21) · DEVON ENERGY PRODUCTION CO, L.P. (17)
WEBB (479) 87 69 -18 LEGEND NATURAL GAS III, LP (15) · LEWIS PETRO PROPERTIES, INC. (9) · ROSETTA RESOURCES OPERATING LP (8)
PANOLA (365) 57 68 +11 ANADARKO E&P COMPANY LP (16) · DEVON ENERGY PRODUCTION CO, L.P. (11) · TEXAS AMERICAN RESOURCES COMPANY (8)
ARCHER (9) 38 63 +25 TEXAS ENERGY OPERATIONS, LC (22) · TEGA OPERATING CO. (16) · WILSON OPERATING CO. (4)
DENTON (121) 49 63 +14 WILLIAMS PROD. GULF COAST, L.P. (32) · DEVON ENERGY PRODUCTION CO, L.P. (18) · ENCANA OIL & GAS(USA) INC. (5)
WISE (497) 48 62 +14 DEVON ENERGY PRODUCTION CO, L.P. (48) · BURLINGTON RESOURCES O & G CO LP (3) · TALON OIL & GAS LLC (3)
HOWARD (227) 33 59 +26 SHERIDAN PRODUCTION COMPANY, LLC (17) · APACHE CORPORATION (9) · ELEMENT PETROLEUM OPERATING, LLC (8)
PECOS (371) 71 57 -14 KINDER MORGAN PRODUCTION CO LLC (24) · SANDRIDGE EXPL. AND PROD., LLC (24) · BANDERA DEVELOPMENT GP, LLC (1)
WICHITA (485) 56 48 -8 TEXAS ENERGY OPERATIONS, LC (21) · BTO VENTURE, INC. (8) · WG OPERATING, INC. (8)
CRANE (103) 12 47 +35 DEVON ENERGY PRODUCTION CO, L.P. (19) · CHEVRON U. S. A. INC. (12) · APACHE CORPORATION (3)
GAINES (165) 10 46 +36 PARALLEL PETROLEUM CORPORATION (11) · XTO ENERGY INC. (8) · SANDRIDGE EXPL. AND PROD., LLC (7)
REFUGIO (391) 76 41 -35 HILCORP ENERGY COMPANY (32) · T - C OIL COMPANY (2) · ACOCK/ANAQUA OPERATING CO., LP (1)
MONTAGUE (337) 22 40 +18 EOG RESOURCES, INC. (28) · SUNCOAST TECHNICAL SERVICES INC (4) · NORTEX ENERGY, INC. (2)
GLASSCOCK (173) 25 38 +13 SHERIDAN PRODUCTION COMPANY, LLC (14) · LAREDO PETROLEUM, INC. (5) · MCCLURE OIL COMPANY, INC. (5)
WHEELER (483) 41 36 -5 SANGUINE GAS EXPLORATION, LLC (7) · CHESAPEAKE OPERATING, INC. (5) · NEWFIELD EXPL. MID-CON. INC (5)
HARRISON (203) 35 34 -1 GMX RESOURCES INC. (13) · BERRY OIL COMP. (3) · XTO ENERGY INC. (3)
PARKER (367) 21 30 +9 DEVON ENERGY PRODUCTION CO, L.P. (13) · TALON OIL & GAS LLC (9) · ARUBA PETROLEUM, INC. (5)
SUTTON (435) 36 28 -8 HIGHMOUNT EXPL & PROD TEXAS LLC (28)
HEMPHILL (211) 19 27 +8 GRANITE OPERATING COMPANY (8) · MEWBOURNE OIL COMPANY (4) · UNIT PETROLEUM COMPANY (3)
COOKE (97) 30 26 -4 EOG RESOURCES, INC. (15) · CANAN MOWREY OPERATING, LLC (2) · CIMAREX ENERGY CO. OF COLORADO (2)
FREESTONE (161) 51 26 -25 XTO ENERGY INC. (21) · DEVON ENERGY PRODUCTION CO, L.P. (2) · ENCANA OIL & GAS(USA) INC. (2)
KENT (263) 20 25 +5 OCCIDENTAL PERMIAN LTD. (8) · OXY USA WTP LP (6) · CHOLLA PETROLEUM, INC. (3)
MITCHELL (335) 56 25 -31 ENERGEN RESOURCES CORPORATION (24) · SUNOCO PIPELINE L.P. (1)
YOAKUM (501) 49 25 -24 WALSH PETROLEUM, INC. (16) · DEVON ENERGY PRODUCTION CO, L.P. (3) · OCCIDENTAL PERMIAN LTD. (2)
CROSBY (107) 18 24 +6 JUNO OPERATING COMPANY, LLC (24)
DIMMIT (127) 10 24 +14 ANADARKO E&P COMPANY LP (9) · TEXAS AMERICAN RESOURCES COMPANY (4) · CML EXPLORATION, LLC (3)
IRION (235) 29 24 -5 EXCO RESOURCES, INC. (12) · APACHE CORPORATION (2) · ARDEN ENERGY PARTNERS, INC. (2)
SHACKELFORD (417) 26 24 -2 STASNEY, H. R. & SONS, LTD. (12) · COUCH OIL & GAS, INC. (2) · ENBRIDGE GATHERING(NORTHTEXAS)LP (2)
SHELBY (419) 33 24 -9 CABOT OIL & GAS CORPORATION (7) · DEVON ENERGY PRODUCTION CO, L.P. (3) · XTO ENERGY INC. (3)
WARD (475) 14 24 +10 ANADARKO PETROLEUM CORPORATION (8) · WHITING OIL AND GAS CORPORATION (4) · EAGLE ROCK OPERATING COMPANY,LLC (3)
MCMULLEN (311) 30 23 -7 SWIFT ENERGY OPERATING, LLC (9) · NCEY HOLDINGS, LLC (5) · NEWGULF PETROLEUM, LLC (2)
NACOGDOCHES (347) 23 22 -1 EOG RESOURCES, INC. (7) · SAMSON LONE STAR, LLC (5) · CABOT OIL & GAS CORPORATION (2)
PALO PINTO (363) 25 22 -3 PEBA OIL & GAS CO. (5) · STOVALL OPERATING CO. (5) · UPHAM OIL & GAS COMPANY (3)
LA SALLE (283) 13 21 +8 PETROHAWK OPERATING COMPANY (8) · EOG RESOURCES, INC. (4) · LEWIS PETRO PROPERTIES, INC. (4)
MATAGORDA (321) 12 21 +9 PREMIER NATURAL RESOURCES, LLC (9) · GEL PETROLEUM, INC. (3) · TRES PALACIOS GAS STORAGE LLC (2)
OCHILTREE (357) 27 20 -7 HOLMES EXPLORATION, LLC (6) · LEGADO MIDCON, LLC (4) · MEWBOURNE OIL COMPANY (3)
ROBERTSON (395) 30 20 -10 XTO ENERGY INC. (10) · ENCANA OIL & GAS(USA) INC. (5) · DEVON ENERGY PRODUCTION CO, L.P. (2)
STARR (427) 16 20 +4 SHELL WESTERN E&P (6) · LEGEND NATURAL GAS III, LP (5) · FOREST OIL CORPORATION (2)
BEE (25) 13 19 +6 T - C OIL COMPANY (7) · WELDER EXPLORATION & PROD., INC. (4) · SAXUM OIL & GAS, LLC (2)
JACK (237) 20 19 -1 DTE GAS RESOURCES, LLC (8) · SWAN PC, LP (4) · SWAN PRODUCTION CO. (2)
ROBERTS (393) 23 19 -4 CHESAPEAKE OPERATING, INC. (4) · RANGE PRODUCTION COMPANY (4) · UNIT PETROLEUM COMPANY (4)
WHARTON (481) 21 19 -2 JRP PRODUCTION, LLC (3) · TEXPLORATION (3) · HOLLIMON OIL CORPORATION (2)
YOUNG (503) 20 19 -1 BORDERLINE OPERATING CORP. (5) · BAY ROCK OPERATING COMPANY (2) · SUNDAY CORPORATION (2)
HOCKLEY (219) 6 18 +12 OCCIDENTAL PERMIAN LTD. (14) · LANDRETH, ROBERT E. (1) · ROCKER A OPERATING COMPANY (1)
LIPSCOMB (295) 11 18 +7 JONES ENERGY, LTD. (7) · MEWBOURNE OIL COMPANY (5) · CHESAPEAKE OPERATING, INC. (3)
SCURRY (415) 20 18 -2 PARALLEL PETROLEUM CORPORATION (7) · KINDER MORGAN PRODUCTION CO LLC (2) · KING OPERATING CORPORATION (2)
LAVACA (285) 8 17 +9 EOG RESOURCES, INC. (2) · SABCO OPERATING COMPANY (2) · LAVACA RIVER OPERATING CO., LLC (1)
VICTORIA (469) 18 17 -1 SUE-ANN OPERATING, L.C. (3) · CML EXPLORATION, LLC (2) · SOUTHERN BAY OPERATING, L.L.C. (2)
ZAPATA (505) 19 17 -2 CONOCOPHILLIPS COMPANY (3) · EOG RESOURCES, INC. (3) · RIDGELINE ENERGY INC. (3)
BRAZOS (41) 9 16 +7 ANADARKO E&P COMPANY LP (4) · CENTEX ENERGY, LLC (2) · PMO (2)
JONES (253) 17 16 -1 JQL ENERGY, LLC (3) · ADKINS, R. L. CORP. (2) · ARMOR PETROLEUM, INC. (2)
SAN AUGUSTINE (405) 14 16 +2 SOUTHWESTERN ENERGY PROD. CO. (6) · COMMON RESOURCES L.L.C. (2) · XTO ENERGY INC. (2)
STERLING (431) 14 16 +2 CHEVRON U. S. A. INC. (4) · WILLIAMS, CLAYTON ENERGY, INC. (3) · AGGIETECH OIL, LTD. (2)
HARDIN (199) 15 15 +0 CORONA EXPLORATION, INC. (5) · SARATOGA PRODUCTION COMPANY LLC (3) · UNIT PETROLEUM COMPANY (2)
HIDALGO (215) 18 15 -3 SHELL WESTERN E&P (8) · DEWBRE PETROLEUM CORPORATION (2) · CHESAPEAKE OPERATING, INC. (1)
LOVING (301) 10 15 +5 ANADARKO PETROLEUM CORPORATION (3) · RKI EXPLORATION & PRODUCTION LLC (3) · ATLANTIC OPERATING, INC. (2)
MEDINA (325) 3 15 +12 RESACA RESOURCES, L.L.C. (12) · ACTIVA RESOURCES, LLC (1) · FINGER OIL & GAS, INC. (1)
RUSK (401) 34 15 -19 FIDELITY EXPLOR. & PROD. CO. (2) · NFR ENERGY, LLC (2) · SANDRIDGE EXPL. AND PROD., LLC (2)
SCHLEICHER (413) 10 15 +5 HIGHMOUNT EXPL & PROD TEXAS LLC (11) · APPROACH OPERATING LLC (1) · HANNATHON PETROLEUM, LLC (1)
STONEWALL (433) 19 15 -4 KINDER MORGAN PRODUCTION CO LLC (11) · PLANTATION OPERATING, LLC (3) · TEX-R ENERGY, INC. (1)
DICKENS (125) 9 14 +5 CANAN MOWREY OPERATING, LLC (4) · SCHALK OIL COMPANY, INC. (3) · GUNN OIL COMPANY (2)
JACKSON (239) 15 14 -1 HILCORP ENERGY COMPANY (3) · FFA PETROLEUM SERVICES, INC. (2) · GINGER OIL COMPANY (A) (2)
KARNES (255) 14 14 +0 EOG RESOURCES, INC. (5) · HAWTHORN ENERGY PARTNERS, LLC (2) · BAY ROCK OPERATING COMPANY (1)
LIVE OAK (297) 7 14 +7 CHOICE EXPLORATION, INC. (5) · BURLINGTON RESOURCES O & G CO LP (2) · KEBO OIL & GAS, INC. (2)
NUECES (355) 17 14 -3 DECKER OPERATING CO., L.L.C. (2) · DEL MAR EXPLORATION COMPANY (2) · EOG RESOURCES, INC. (2)
LEON (289) 21 13 -8 XTO ENERGY INC. (5) · BRG LONE STAR LTD. (3) · ENCANA OIL & GAS(USA) INC. (2)
TOM GREEN (451) 18 13 -5 ENERGY FROM TEXAS, L. P. (7) · STAR PRODUCTION, INC. (2) · PC OPERATING LLC (2)
STEPHENS (429) 14 12 -2 BASA RESOURCES, INC. (3) · BASELINE OIL & GAS CORP. (3) · ENBRIDGE GATHERING(NORTHTEXAS)LP (2)
JEFFERSON (245) 10 11 +1 BALLARD EXPLORATION COMPANY,INC. (3) · CIMAREX ENERGY CO. (2) · SAMSON LONE STAR, LLC (2)
LIMESTONE (293) 18 11 -7 DEVON ENERGY PRODUCTION CO, L.P. (3) · XTO ENERGY INC. (3) · VALENCE OPERATING COMPANY (2)
RUNNELS (399) 12 11 -1 GREAT TEXAS CRUDE INC. (2) · SHA-JAM OPERATING CORP. (2) · ALLEGRO INVESTMENTS, INC. (1)
DAWSON (115) 7 10 +3 BIG STAR OIL & GAS, LLC (2) · DEVON ENERGY PRODUCTION CO, L.P. (2) · BRECK OPERATING CORP. (1)
EDWARDS (137) 6 10 +4 HIGHMOUNT EXPL & PROD TEXAS LLC (5) · MARINER ENERGY, INC. (4) · DIAMONDBACK OPERATING, LP (1)
FISHER (151) 8 10 +2 DOUBLE M PETROPROPERTIES, INC. (3) · CREGO EXPLORATION (1) · CROWN EQUIPMENT CO. (1)
GONZALES (177) 4 10 +6 EOG RESOURCES, INC. (3) · LUCAS ENERGY, INC. (3) · ALTA MESA SERVICES, LP (1)
HARRIS (201) 5 10 +5 LIVE OAK OP & PRODUCTION, L.L.C. (3) · ANLOC, LLC (2) · LEGEND NATURAL GAS II, LP (2)
CHEROKEE (73) 8 9 +1 XTO ENERGY INC. (6) · BUFFCO PRODUCTION INC. (1) · FOREST OIL CORPORATION (1)
CLAY (77) 6 9 +3 XPLORE OPERATING, LLC (5) · ENBRIDGE GATHERING(NORTHTEXAS)LP (1) · HARDING EXPLORATION, INC. (1)
COKE (81) 6 9 +3 LAYLINE PETROLEUM I, LLC (4) · GRANDFIELD CONSULTING, INC. (2) · CLEAR FORK, INCORPORATED (1)
DE WITT (123) 9 9 +0 HURD ENTERPRISES, LTD. (2) · REMORA MANAGEMENT, LLC (2) · ENDURING RESOURCES, LLC (1)
FORT BEND (157) 7 9 +2 MAVERICK PROD. CO., INC. (5) · BOPCO, L.P. (1) · CML EXPLORATION, LLC (1)
NAVARRO (349) 8 9 +1 RESACA RESOURCES, L.L.C. (6) · FOXFIRE PRODUCTIONS, INC. (3)
NOLAN (353) 12 9 -3 CHOLLA PETROLEUM, INC. (3) · A.D. OPERATING (1) · CLEAR FORK, INCORPORATED (1)
WILBARGER (487) 9 9 +0 TRIPLE "S" GAS, INC. (3) · ENERGY PRODUCTION CORPORATION (2) · DRY FORK PRODUCTION CO., LLC (1)
ATASCOSA (13) 8 8 +0 ELLSWORTH, H. P. O&G PROPERTIES (2) · EOG RESOURCES, INC. (2) · HOLLIMON OIL CORPORATION (2)
BRAZORIA (39) 10 8 -2 DENBURY ONSHORE, LLC (3) · HILCORP ENERGY COMPANY (2) · SLAWSON EXPLORATION COMPANY, INC (2)
CALLAHAN (59) 16 8 -8 MOORE, MILES INC. (2) · QUAIL WELL SERVICE, INC. (2) · CLAVO OIL, LLC (1)
COLEMAN (83) 6 8 +2 TEMPO RESOURCES GP, LLC (5) · CITORI OIL COMPANY, LLC (2) · DELRAY OIL, INC. (1)
CULBERSON (109) 1 8 +7 FINLEY RESOURCES, INC. (5) · ENCANA OIL & GAS(USA) INC. (1) · QUICKSILVER RESOURCES INC. (1)
DUVAL (131) 16 8 -8 SENDERO ENERGY INC. (2) · DEWBRE, JERRY C., TRUSTEE (1) · DEWBRE PETROLEUM CORPORATION (1)
ORANGE (361) 2 8 +6 FAIRWAYS EXPLORATION & PROD, LLC (2) · BENCHMARK OIL & GAS COMPANY (1) · JIL OIL CORP. (1)
TAYLOR (441) 10 8 -2 SOJOURNER DRILLING CORPORATION (2) · ANDERSON, JAMES K. INC. (1) · BRIDWELL OIL CO. (1)
CALHOUN (57) 3 7 +4 FORMATION RESOURCES LLC (3) · FUTURE PETROLEUM COMPANY LLC (2) · LANCELOT EXPLORATION, INC. (1)
COLORADO (89) 11 7 -4 AKG OPERATING COMPANY (3) · ALAMO OPERATING COMPANY, L. C. (1) · CABOT OIL & GAS CORPORATION (1)
GARZA (169) 26 7 -19 BROWN, GEO. R PARTNERSHIP,LP,THE (2) · HALVEY ENERGY, LLC (1) · MCCLURE OIL COMPANY, INC. (1)
GRAYSON (181) 5 7 +2 SEITZ, J. R. & ADAM, LTD. (3) · ATOKA OPERATING, INC. (1) · BLACKWELL BMC, LLC (1)
REEVES (389) 16 7 -9 THOMPSON, J. CLEO (3) · CHESAPEAKE OPERATING, INC. (2) · ATLANTIC OPERATING, INC. (1)
SAN PATRICIO (409) 5 7 +2 SANDALWOOD EXPLORATION, L.P. (2) · EOG RESOURCES, INC. (1) · MAGNUM PRODUCING, LP (1)
TERRY (445) 4 7 +3 OXY USA INC. (4) · CHEVRON U. S. A. INC. (2) · SAMSON LONE STAR, LLC (1)
BORDEN (33) 5 6 +1 ST. MARY LAND & EXPLORATION CO. (3) · PRIMEXX OPERATING CORPORATION (2) · WESTERLY EXPLORATION, INC. (1)
FAYETTE (149) 7 6 -1 WEBER ENERGY CORPORATION (2) · ENERVEST OPERATING, L.L.C. (1) · LAMA ENERGY, L.L.C. (1)
FRIO (163) 6 6 +0 CABOT OIL & GAS CORPORATION (1) · MCMINN OPERATING COMPANY, INC. (1) · RICOCHET ENERGY, INC. (1)
GREGG (183) 9 6 -3 XTO ENERGY INC. (3) · EXCO OPERATING COMPANY, LP (1) · TANOS EXPLORATION, LLC (1)
JASPER (241) 2 6 +4 ANADARKO E&P COMPANY LP (3) · ANDERSON PRODUCING, INC. (1) · CENTURY EXPLORATION HOUSTON, INC (1)
LIBERTY (291) 6 6 +0 CRIMSON EXPLORATION OPER., INC. (2) · GORDY OIL COMPANY (2) · BALLARD EXPLORATION COMPANY,INC. (1)
WILLACY (489) 6 6 +0 WAGNER OIL COMPANY (3) · SUEMAUR EXPL. & PROD., LLC (2) · EXXON MOBIL CORPORATION (1)
ANGELINA (5) 3 5 +2 ENCANA OIL & GAS(USA) INC. (5)
BROWN (49) 11 5 -6 MINUTEMAN ENERGY, LLC (2) · GRO-TEX EXPLORATION (1) · MESA ENERGY OPERATING, LLC (1)
BURLESON (51) 5 5 +0 ANADARKO E&P COMPANY LP (2) · WILLIAMS, CLAYTON ENERGY, INC. (2) · WCS OIL & GAS CORPORATION (1)
CHAMBERS (71) 2 5 +3 DENBURY ONSHORE, LLC (2) · BRINECO DISPOSAL TECH, LLC (1) · ELLIOTT OIL & GAS OPERATING CO. (1)
CONCHO (95) 4 5 +1 PAINT ROCK OPERATING, LLC (3) · MCCAMMON OIL & GAS, INC. (1) · SINCLAIR ENERGY CORPORATION (1)
EASTLAND (133) 4 5 +1 PROSPECTA ENERGY GROUP, INC. (3) · H. BRYAN POFF, LLC (1) · KOKOMO ENERGY, INC. (1)
GOLIAD (175) 10 5 -5 EXTENERGY, L.P. (1) · NRG ASSETS MANAGEMENT, LLC (1) · SPILLER OPERATING CO., INC. (1)
HARDEMAN (197) 0 5 +5 GAEDEKE OIL & GAS OPERATING, LLC (2) · ECHO PRODUCTION, INC. (1) · SPARTAN OPERATING COMPANY, INC. (1)
KENEDY (261) 5 5 +0 NEWFIELD EXPLORATION COMPANY (2) · EXXON MOBIL CORPORATION (1) · SARITA ENERGY RESOURCES, LTD. (1)
MENARD (327) 3 5 +2 PAINT ROCK OPERATING, LLC (3) · CAZAR ENERGY INC (1) · NORDAN OIL & GAS CORPORATION (1)
NEWTON (351) 3 5 +2 ANADARKO E&P COMPANY LP (4) · SAMSON LONE STAR, LLC (1)
POLK (373) 4 5 +1 UNIT PETROLEUM COMPANY (4) · KAISER-FRANCIS OIL COMPANY (1)
THROCKMORTON (447) 7 5 -2 ASHTOLA EXPLORATION COMPANY,INC. (1) · GOOPCO, INC. (1) · HARPER, WILLIAM E. (1)
VAN ZANDT (467) 1 5 +4 WAGNER OIL COMPANY (2) · CYNPAT OIL & GAS, INC. (1) · EAGLE ROCK OPERATING COMPANY,LLC (1)
ANDERSON (1) 4 4 +0 FALCON RESOURCES, INC. (1) · JLA RESOURCES COMPANY (1) · PARTEN OPERATING INC. (1)
AUSTIN (15) 5 4 -1 ENHANCED ENERGY PARTNERS CORP (2) · SANDALWOOD EXPLORATION, L.P. (2)
DALLAS (113) 4 4 +0 CHESAPEAKE OPERATING, INC. (4)
GALVESTON (167) 3 4 +1 HOUSTON OIL PROD ENTERPRISES,INC (1) · SANDALWOOD EXPLORATION, L.P. (1) · SQUARE MILE ENERGY, L.L.C. (1)
HILL (217) 2 4 +2 QUICKSILVER RESOURCES INC. (3) · DEVON ENERGY PRODUCTION CO, L.P. (1)
HOOD (221) 3 4 +1 QUICKSILVER RESOURCES INC. (2) · TITAN OPERATING, LLC (2)
HOUSTON (225) 3 4 +1 BASA RESOURCES, INC. (1) · HOUSTON PETROLEUM COMPANY (1) · KATY RESOURCES ETX, LLC (1)
JIM WELLS (249) 4 4 +0 XOG OPERATING LLC (2) · GASPER RICE RESOURCES, LTD. (1) · TAUBER EXPLORATION&PRODUCTION CO (1)
MOORE (341) 6 4 -2 J. W. RESOURCES INC. (1) · LINN OPERATING, INC. (1) · PANTERA ENERGY COMPANY (1)
SMITH (423) 7 4 -3 CARRIZO OIL & GAS, INC. (1) · SOUTHWEST OPERATING, INC.-TYLER (1) · VALENCE OPERATING COMPANY (1)
WINKLER (495) 6 4 -2 CHEVRON KEYSTONE GAS STORAGE,LLC (2) · DEVON ENERGY PRODUCTION CO, L.P. (1) · PECOS OPERATING COMPANY, LLC (1)
WOOD (499) 2 4 +2 CHESAPEAKE OPERATING, INC. (1) · ENERGY PRODUCTION CORPORATION (1) · PETRO-HUNT, L.L.C. (1)
CALDWELL (55) 4 3 -1 HH&S OIL, LLC (1) · MCMINN OPERATING COMPANY, INC. (1) · NORTH SOUTH OIL, LLC (1)
CARSON (65) 1 3 +2 PANTERA ENERGY COMPANY (2) · CIRRUS EXPLORATION COMPANY (1)
COCHRAN (79) 5 3 -2 OCCIDENTAL PERMIAN LTD. (1) · PEDEN ENERGY, INC. (1) · REDMON OIL COMPANY, INC., THE (1)
GRIMES (185) 3 3 +0 ENERVEST OPERATING, L.L.C. (1) · SE USA OPERATING, INC. (1) · SOUTHERN BAY OPERATING, L.L.C. (1)
GUADALUPE (187) 3 3 +0 TEXAS PETROLEUM INVESTMENT CO. (2) · RR VENTURES LIMITED PARTNERSHIP (1)
HARTLEY (205) 3 3 +0 CAMBRIDGE PRODUCTION, INC. (1) · FORTAY, INC. (1) · FUTURE PETROLEUM COMPANY LLC (1)
HASKELL (207) 9 3 -6 S.B. STREET OPERATING, INC. (2) · BENSON & SCHOEN OIL CO., INC. (1)
KING (269) 5 3 -2 CANAN MOWREY OPERATING, LLC (1) · MEDDERS OIL COMPANY, INC. (1) · PATTON EXPLORATION, INC. (1)
LUBBOCK (303) 10 3 -7 BROWN, H.L. OPERATING, L.L.C. (3)
MADISON (313) 6 3 -3 RUSSELL - FT. TRINIDAD OP., LLC (1) · VICEROY PETROLEUM GP, LLC (1) · XTO ENERGY INC. (1)
MAVERICK (323) 10 3 -7 TXCO RESOURCES INC. (2) · CONOCOPHILLIPS COMPANY (1)
POTTER (375) 1 3 +2 ADAMS AFFILIATES, INC. (1) · BLAKE PRODUCTION COMPANY, INC. (1) · LINN OPERATING, INC. (1)
REAL (385) 0 3 +3 SK & CO. OIL AND GAS OPER., LLC (3)
SAN JACINTO (407) 2 3 +1 FAMCOR OIL, INC. (2) · BRAMMER ENGINEERING, INC. (1)
SOMERVELL (425) 0 3 +3 QUICKSILVER RESOURCES INC. (3)
UPSHUR (459) 2 3 +1 BOBCAT RESOURCES, L.L.C. (1) · HARLETON OIL & GAS INC. (1) · VALENCE OPERATING COMPANY (1)
WALLER (473) 6 3 -3 TRIANGLE THREE RESOURCES L.L.C. (2) · FOREST OIL CORPORATION (1)
WILSON (493) 3 3 +0 FIRST ROCK, INC. (1) · METCO OIL CORPORATION (1) · THORP PETROLEUM CORPORATION (1)
ZAVALA (507) 3 3 +0 PETROHAWK OPERATING COMPANY (1) · RIO-TEX, INC. (1) · TXCO RESOURCES INC. (1)
GALVESTON-LB (706) 0 3 +3 HALL-HOUSTON EXPL. II, L.P. (2) · APEX OIL & GAS, INC. (1)
BEXAR (29) 2 2 +0 BAR M PETROLEUM CO. (2)
BROOKS (47) 4 2 -2 EXXON MOBIL CORPORATION (1) · POGO PRODUCING COMPANY LLC (1)
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