◆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: 2007Q4
Original drilling permits by county. Hover over a county to see its numbers. Click one to compare its most active operators.
← 2007Q3 · 2007Q4 · 2008Q1 → permit counts · change vs prior quarter
0
1–2
3–9
10–29
30–99
100+
195 counties had at least one permit approved in 2007Q4.
Table view: every county with activity (210)
| County | 2007Q3 | 2007Q4 | Δ | Top operators (2007Q4) |
|---|---|---|---|---|
| TARRANT (439) | 321 | 227 | -94 | CHESAPEAKE OPERATING, INC. (122) · XTO ENERGY INC. (27) · DEVON ENERGY PRODUCTION CO, L.P. (18) |
| JOHNSON (251) | 306 | 224 | -82 | CHESAPEAKE OPERATING, INC. (90) · EOG RESOURCES, INC. (67) · DEVON ENERGY PRODUCTION CO, L.P. (34) |
| RUSK (401) | 136 | 141 | +5 | CABOT OIL & GAS CORPORATION (26) · ENERVEST OPERATING, L.L.C. (23) · ENDURING RESOURCES, LLC (18) |
| UPTON (461) | 107 | 135 | +28 | HENRY PETROLEUM LP (50) · PIONEER NATURAL RES. USA, INC. (35) · MARINER ENERGY, INC. (15) |
| WEBB (479) | 82 | 128 | +46 | LEGEND NATURAL GAS III, LP (28) · LEWIS PETRO PROPERTIES, INC. (27) · ROSETTA RESOURCES OPERATING LP (19) |
| ANDREWS (3) | 57 | 111 | +54 | OK ARENA OPERATING COMPANY (55) · ST. MARY LAND & EXPLORATION CO. (10) · XTO ENERGY INC. (9) |
| PANOLA (365) | 169 | 107 | -62 | DEVON ENERGY PRODUCTION CO, L.P. (23) · ANADARKO E&P COMPANY LP (10) · GOODRICH PETROLEUM COMPANY (9) |
| HARRISON (203) | 128 | 103 | -25 | PENN VIRGINIA OIL & GAS, L.P. (23) · GMX RESOURCES INC. (11) · FOREST OIL CORPORATION (9) |
| MARTIN (317) | 103 | 103 | +0 | PIONEER NATURAL RES. USA, INC. (34) · ENDEAVOR ENERGY RESOURCES L.P. (23) · ENERGEN RESOURCES CORPORATION (7) |
| PECOS (371) | 136 | 101 | -35 | SANDRIDGE ENERGY, INC. (57) · KINDER MORGAN PRODUCTION CO LLC (13) · SANDRIDGE EXPL. AND PROD., LLC (9) |
| HEMPHILL (211) | 86 | 83 | -3 | SAMSON LONE STAR, LLC (13) · FOREST OIL CORPORATION (9) · NOBLE ENERGY INC (8) |
| NACOGDOCHES (347) | 68 | 83 | +15 | SAMSON LONE STAR, LLC (31) · CHESAPEAKE OPERATING, INC. (12) · EOG RESOURCES, INC. (8) |
| CROCKETT (105) | 97 | 80 | -17 | APPROACH OPERATING LLC (21) · ANADARKO E&P COMPANY LP (16) · FIML NATURAL RESOURCES, LLC (12) |
| SUTTON (435) | 126 | 78 | -48 | DOMINION OKLAHOMA TEXAS E&P, INC (56) · HIGHMOUNT EXPL & PROD TEXAS LLC (22) |
| DENTON (121) | 80 | 76 | -4 | DEVON ENERGY PRODUCTION CO, L.P. (47) · J-W OPERATING CO. (5) · XTO ENERGY INC. (5) |
| WISE (497) | 65 | 73 | +8 | DEVON ENERGY PRODUCTION CO, L.P. (27) · ARUBA PETROLEUM, INC. (7) · BURLINGTON RESOURCES O & G CO LP (5) |
| ZAPATA (505) | 78 | 73 | -5 | FOREST OIL CORPORATION (13) · CONOCOPHILLIPS COMPANY (10) · EL PASO E&P ZAPATA, L.P. (8) |
| WHEELER (483) | 70 | 72 | +2 | FOREST OIL CORPORATION (11) · NEWFIELD EXPL. MID-CON. INC (10) · APACHE CORPORATION (9) |
| PARKER (367) | 91 | 70 | -21 | DENBURY ONSHORE, LLC (11) · DEVON ENERGY PRODUCTION CO, L.P. (8) · WILLIAMS PROD. GULF COAST, L.P. (7) |
| REAGAN (383) | 49 | 69 | +20 | MARINER ENERGY, INC. (30) · PIONEER NATURAL RES. USA, INC. (14) · PRIME OPERATING COMPANY (10) |
| HOOD (221) | 76 | 68 | -8 | QUICKSILVER RESOURCES INC. (43) · EOG RESOURCES, INC. (8) · BURLINGTON RESOURCES O & G CO LP (6) |
| ARCHER (9) | 35 | 65 | +30 | BRAHMAN OPERATING, L.L.C. (13) · TPR - TEXAS PETROLEUM RES. INC (9) · DYM ENERGY, INC. (8) |
| FREESTONE (161) | 78 | 58 | -20 | XTO ENERGY INC. (37) · ANADARKO PETROLEUM CORPORATION (7) · DEVON ENERGY PRODUCTION CO, L.P. (4) |
| WARD (475) | 46 | 57 | +11 | QUANTUM RESOURCES MANAGEMENT,LLC (17) · JETTA OPERATING COMPANY, INC. (12) · WHITING OIL AND GAS CORPORATION (12) |
| CRANE (103) | 52 | 55 | +3 | APACHE CORPORATION (23) · DEVON ENERGY PRODUCTION CO, L.P. (14) · CHEVRON U. S. A. INC. (5) |
| HIDALGO (215) | 64 | 52 | -12 | CHESAPEAKE OPERATING, INC. (9) · SHELL WESTERN E&P (9) · SIERRA RESOURCES, LLC (7) |
| LIPSCOMB (295) | 43 | 48 | +5 | HOLMES EXPLORATION, LLC (13) · JONES ENERGY, LTD. (11) · MEWBOURNE OIL COMPANY (6) |
| YOUNG (503) | 23 | 48 | +25 | FARMER, LEWIS & HAYDEN (7) · LEWIS OPERATING COMPANY (6) · COOPER OIL & GAS, INC. (4) |
| MIDLAND (329) | 43 | 46 | +3 | PIONEER NATURAL RES. USA, INC. (8) · ENDEAVOR ENERGY RESOURCES L.P. (5) · ENERGEN RESOURCES CORPORATION (5) |
| FRIO (163) | 23 | 45 | +22 | MAVERICK ENERGY GROUP, INC. (39) · BLACKBRUSH O & G, INC. (2) · ALAMO OPERATING COMPANY, L. C. (1) |
| LIMESTONE (293) | 65 | 44 | -21 | XTO ENERGY INC. (28) · O'BENCO, INC. (6) · APPROACH OPERATING LLC (2) |
| REFUGIO (391) | 41 | 44 | +3 | HILCORP ENERGY COMPANY (22) · T - C OIL COMPANY (10) · ACOCK/ANAQUA OPERATING CO., LP (2) |
| ECTOR (135) | 63 | 43 | -20 | APACHE CORPORATION (12) · XTO ENERGY INC. (10) · NEG OPERATING LLC (7) |
| WICHITA (485) | 39 | 42 | +3 | WG OPERATING, INC. (14) · BTO VENTURE, INC. (4) · WAGGONER, W. T., ESTATE (4) |
| IRION (235) | 30 | 41 | +11 | TXP, INCORPORATED (18) · EXCO RESOURCES, INC. (9) · SAMSON LONE STAR, LLC (5) |
| STARR (427) | 47 | 41 | -6 | KERR-MCGEE OIL & GAS ONSHORE LP (17) · SHELL WESTERN E&P (6) · EOG RESOURCES, INC. (3) |
| SHELBY (419) | 47 | 40 | -7 | CABOT OIL & GAS CORPORATION (8) · ELLORA OPERATING, L.P. (5) · HUNT PETROLEUM CORPORATION (5) |
| JACK (237) | 42 | 39 | -3 | EOG RESOURCES, INC. (7) · ADEXCO OPERATING COMPANY (5) · DTE GAS RESOURCES, INC. (5) |
| MITCHELL (335) | 43 | 39 | -4 | ENERGEN RESOURCES CORPORATION (21) · CIMAREX ENERGY CO. OF COLORADO (18) |
| STEPHENS (429) | 28 | 38 | +10 | DELTA OIL & GAS LTD. (13) · MCCLYMOND, LTD. (11) · BASELINE OIL & GAS CORP. (5) |
| JACKSON (239) | 17 | 37 | +20 | PREMIER NATURAL RESOURCES, LLC (16) · HILCORP ENERGY COMPANY (7) · CIBOLO ENERGY OPERATING, INC. (3) |
| JONES (253) | 20 | 36 | +16 | L.C.S. PRODUCTION COMPANY (17) · MOMENTUM OPERATING CO., INC. (6) · CENTRAL BASIN OIL INV. INC. (3) |
| GAINES (165) | 84 | 34 | -50 | FOREST OIL PERMIAN CORPORATION (9) · HESS CORPORATION (7) · PARALLEL PETROLEUM CORPORATION (3) |
| ROBERTS (393) | 49 | 34 | -15 | CIMAREX ENERGY CO. OF COLORADO (7) · UNIT PETROLEUM COMPANY (6) · CIMAREX ENERGY CO. (5) |
| GOLIAD (175) | 25 | 33 | +8 | LEGEND NATURAL GAS II, LP (4) · GEISER OPERATING, INC. (2) · TRANSCONTINENTAL MINERALS CORP. (2) |
| HOCKLEY (219) | 10 | 33 | +23 | BEPCO, L.P. (10) · OCCIDENTAL PERMIAN LTD. (7) · GREAT WESTERN DRILLING COMPANY (5) |
| MONTAGUE (337) | 25 | 31 | +6 | EOG RESOURCES, INC. (13) · JOINT RESOURCES COMPANY (6) · TETTLETON, STEVEN B. (2) |
| CHEROKEE (73) | 29 | 30 | +1 | XTO ENERGY INC. (16) · SOUTHWESTERN ENERGY PROD. CO. (4) · CHESAPEAKE OPERATING, INC. (2) |
| LAVACA (285) | 26 | 30 | +4 | EEI OPERATING INC. (3) · NEWFIELD EXPLORATION COMPANY (3) · COX & PERKINS EXPLORATION, INC. (2) |
| ROBERTSON (395) | 37 | 30 | -7 | ENCANA OIL & GAS(USA) INC. (9) · BURLINGTON RESOURCES O & G CO LP (5) · CORONADO ENERGY E&P COMPANY, LLC (3) |
| COOKE (97) | 26 | 29 | +3 | JOINT RESOURCES COMPANY (8) · RIFE ENERGY OPERATING, INC. (7) · CIMAREX ENERGY CO. OF COLORADO (2) |
| HOWARD (227) | 23 | 29 | +6 | ENERGEN RESOURCES CORPORATION (8) · MANHATTAN PETROLEUM, INC. (5) · TRILOGY OPERATING, INC. (3) |
| YOAKUM (501) | 41 | 29 | -12 | OCCIDENTAL PERMIAN LTD. (24) · DEVON ENERGY PRODUCTION CO, L.P. (3) · OXY USA WTP LP (2) |
| PALO PINTO (363) | 32 | 28 | -4 | TEMPO RESOURCES GP, LLC (4) · DUNLAP EXPLORATION, INC. (3) · EOG RESOURCES, INC. (3) |
| SHACKELFORD (417) | 33 | 28 | -5 | STASNEY, H. R. & SONS, LTD. (6) · P.B. BLUE DOT PROPERTIES (5) · IKARD, ALAN (4) |
| HUTCHINSON (233) | 39 | 27 | -12 | LINN OPERATING, INC. (20) · TAYLOR, GORDON OIL COMPANY, LP (3) · LAREDO PETROLEUM, INC. (1) |
| WHARTON (481) | 27 | 27 | +0 | CYPRESS E & P CORPORATION (3) · APACHE CORPORATION (2) · PATTERSON PETROLEUM LLC (2) |
| ANDERSON (1) | 11 | 26 | +15 | CARRIZO OIL & GAS, INC. (17) · WILSON, DON H., INC. (3) · BAY-TECH OPERATING CO., INC. (2) |
| OCHILTREE (357) | 24 | 26 | +2 | HOLMES EXPLORATION, LLC (8) · COURSON OIL & GAS, INC. (4) · APACHE CORPORATION (2) |
| HILL (217) | 18 | 25 | +7 | RANGE PRODUCTION COMPANY (9) · EOG RESOURCES, INC. (5) · QUICKSILVER RESOURCES INC. (5) |
| WINKLER (495) | 164 | 25 | -139 | WHITING OIL AND GAS CORPORATION (16) · G P II ENERGY, INC. (3) · CHESAPEAKE OPERATING, INC. (1) |
| DIMMIT (127) | 17 | 24 | +7 | CRIMSON ENERGY PARTNERS, L.P. (5) · ESCONDIDO RESOURCES GP, LLC (4) · SWIFT ENERGY OPERATING, LLC (4) |
| DUVAL (131) | 47 | 24 | -23 | SANCHEZ OIL & GAS CORPORATION (6) · EOG RESOURCES, INC. (5) · DEVON ENERGY PRODUCTION CO, L.P. (2) |
| SCHLEICHER (413) | 13 | 24 | +11 | DOMINION OKLAHOMA TEXAS E&P, INC (11) · HIGHMOUNT EXPL & PROD TEXAS LLC (7) · CAPITOL WELL SERVICING CO., INC. (2) |
| VICTORIA (469) | 17 | 24 | +7 | T - C OIL COMPANY (7) · AMERICAN SHORELINE, INC. (2) · DALE OPERATING COMPANY (2) |
| LA SALLE (283) | 12 | 23 | +11 | LEWIS PETRO PROPERTIES, INC. (10) · SWIFT ENERGY OPERATING, LLC (4) · VIRTEX PETROLEUM COMPANY, INC. (4) |
| SHERMAN (421) | 5 | 23 | +18 | BP AMERICA PRODUCTION COMPANY (11) · CHESAPEAKE OPERATING, INC. (4) · SAMSON LONE STAR, LLC (3) |
| STONEWALL (433) | 17 | 23 | +6 | CITATION OIL & GAS CORP. (12) · TELESIS OPERATING CO., INC. (6) · L.C.S. PRODUCTION COMPANY (5) |
| JEFFERSON (245) | 20 | 21 | +1 | COASTAL CAVERNS, INC. (4) · SAMSON LONE STAR, LLC (3) · CIMAREX ENERGY CO. (2) |
| NUECES (355) | 22 | 21 | -1 | DEVON ENERGY PRODUCTION CO, L.P. (5) · DECKER OPERATING CO., L.L.C. (3) · ACOCK/ANAQUA OPERATING CO., LP (1) |
| GREGG (183) | 29 | 20 | -9 | GEO-VEST OF TEXAS, INC. (10) · ANADARKO E&P COMPANY LP (3) · SAMSON LONE STAR, LLC (3) |
| HARDIN (199) | 17 | 20 | +3 | ARROWHEAD OPERATING INC. (5) · P & WG RESOURCES L.L.C. (4) · TANDEM ENERGY CORPORATION (3) |
| NOLAN (353) | 16 | 19 | +3 | CLEAR FORK, INCORPORATED (5) · L.C.S. PRODUCTION COMPANY (5) · SINCLAIR OIL & GAS COMPANY (3) |
| MATAGORDA (321) | 17 | 18 | +1 | KEBO OIL & GAS, INC. (3) · SOUTH BAY RESOURCES, L.L.C. (3) · TRES PALACIOS GAS STORAGE LLC (2) |
| RUNNELS (399) | 14 | 18 | +4 | IMPERIAL GAS RESOURCES LLC (3) · ENRICH OIL CORPORATION (2) · PIONEER EXPLORATION, LTD. (2) |
| SCURRY (415) | 23 | 18 | -5 | KINDER MORGAN PRODUCTION CO LLC (9) · ROCKER A OPERATING COMPANY (3) · SHARP IMAGE ENERGY, INC. (3) |
| DE WITT (123) | 17 | 17 | +0 | PIONEER NATURAL RES. USA, INC. (4) · CHESAPEAKE OPERATING, INC. (3) · APACHE CORPORATION (1) |
| KENEDY (261) | 14 | 17 | +3 | BNP PETROLEUM CORPORATION (3) · EXXON MOBIL CORPORATION (3) · NEWFIELD EXPLORATION COMPANY (2) |
| LIVE OAK (297) | 11 | 17 | +6 | REPUBLIC RESOURCES, LLC. (3) · JAMEX, INC. (2) · BURLINGTON RESOURCES O & G CO LP (1) |
| SMITH (423) | 15 | 17 | +2 | SOUTHWESTERN ENERGY PROD. CO. (11) · EXCO PARTNERS OPERATING PTSHP LP (2) · BRANDON ENERGY, INC. (1) |
| CLAY (77) | 11 | 16 | +5 | MUIRFIELD EXPLORATION, LTD. (8) · LANE OPERATING COMPANY (2) · M. E. OPERATING & SERVICES, INC. (2) |
| LEON (289) | 29 | 16 | -13 | ENSIGHT III ENERGY MGMT, LLC (4) · GASTAR EXPLORATION TEXAS, LP (2) · ROBERTS & HAMMACK INC. (2) |
| TAYLOR (441) | 9 | 16 | +7 | CHOLLA PETROLEUM, INC. (3) · P.B. BLUE DOT PROPERTIES (3) · ADKINS, R. L. CORP. (2) |
| AUSTIN (15) | 6 | 15 | +9 | A.C.T. OPERATING COMPANY (12) · ENHANCED ENERGY PARTNERS CORP (3) |
| BURLESON (51) | 6 | 15 | +9 | APACHE CORPORATION (10) · WILLIAMS, CLAYTON ENERGY, INC. (3) · EVOLUTION OPERATING CO., INC. (1) |
| EASTLAND (133) | 22 | 15 | -7 | WEST TEXAS ROYALTIES, INC. (5) · KORNYE-TILLMAN COMPANY (4) · CDX GAS, LLC (2) |
| LOVING (301) | 14 | 15 | +1 | ATLANTIC OPERATING, INC. (7) · ANADARKO PETROLEUM CORPORATION (4) · CHAPARRAL ENERGY, L.L.C. (2) |
| REEVES (389) | 11 | 15 | +4 | CHESAPEAKE OPERATING, INC. (5) · EAGLE OIL & GAS CO. (2) · SHERIDAN PRODUCTION COMPANY, LLC (2) |
| CONCHO (95) | 17 | 14 | -3 | PAINT ROCK OPERATING, LLC (7) · GUFFEY, WM. R. (2) · REX ENERGY OPERATING CORP. (2) |
| GARZA (169) | 14 | 14 | +0 | THREE R OIL COMPANY (4) · QUATRO OIL AND GAS, INC. (3) · RAW OIL & GAS, INC. (2) |
| ANGELINA (5) | 10 | 13 | +3 | ENCANA OIL & GAS(USA) INC. (6) · SOUTHWESTERN ENERGY PROD. CO. (3) · GOODRICH PETROLEUM COMPANY (2) |
| BRAZORIA (39) | 15 | 13 | -2 | HILCORP ENERGY COMPANY (3) · SLAWSON EXPLORATION COMPANY, INC (2) · BRIGHAM OIL & GAS, L.P. (1) |
| FISHER (151) | 13 | 13 | +0 | L.C.S. PRODUCTION COMPANY (5) · BOYD & MCWILLIAMS ENERGY GROUP (2) · OK ARENA OPERATING COMPANY (2) |
| MCMULLEN (311) | 28 | 13 | -15 | SWIFT ENERGY OPERATING, LLC (4) · CENTURY RESOURCES, INC. (2) · TEXCAL ENERGY (GP) LLC (2) |
| POLK (373) | 7 | 13 | +6 | FAMCOR OIL, INC. (4) · SAMSON LONE STAR, LLC (2) · UNIT PETROLEUM COMPANY (2) |
| TOM GREEN (451) | 10 | 13 | +3 | STAR PRODUCTION, INC. (7) · REX ENERGY OPERATING CORP. (3) · EXCO RESOURCES, INC. (1) |
| DICKENS (125) | 18 | 12 | -6 | EXCO RESOURCES, INC. (3) · SCHALK OIL COMPANY, INC. (3) · SULLIVAN, HOLLIS R. INC. (3) |
| ERATH (143) | 34 | 12 | -22 | EOG RESOURCES, INC. (5) · CDX GAS, LLC (2) · MILLER OPERATING COMPANY LLC (2) |
| GLASSCOCK (173) | 29 | 12 | -17 | MARINER ENERGY, INC. (3) · PAGE OPERATING, LLC (2) · RANGE PRODUCTION COMPANY (2) |
| HALE (189) | 0 | 12 | +12 | OCCIDENTAL PERMIAN LTD. (12) |
| SAN PATRICIO (409) | 12 | 12 | +0 | EOG RESOURCES, INC. (3) · ABRAXAS PETROLEUM CORPORATION (1) · ESENJAY OPERATING, INC. (1) |
| THROCKMORTON (447) | 5 | 12 | +7 | HARPER, WILLIAM E. (3) · SUNDAY CORPORATION (2) · VENETO EXPLORATION, LLC (2) |
| BEE (25) | 41 | 11 | -30 | GAITHER PETROLEUM CORPORATION (2) · PIONEER NATURAL RES. USA, INC. (2) · ANDERSON OIL LTD. (1) |
| HANSFORD (195) | 6 | 11 | +5 | STRAT LAND EXPLORATION COMPANY (4) · LAREDO PETROLEUM, INC. (2) · MEWBOURNE OIL COMPANY (2) |
| TERRY (445) | 11 | 11 | +0 | CHEVRON U. S. A. INC. (4) · ROCKER A OPERATING COMPANY (3) · APACHE CORPORATION (1) |
| WALLER (473) | 19 | 11 | -8 | TEXAS AUSTRALIA POWER, INC. (3) · FOREST OIL CORPORATION (2) · LONE WOLF OPERATING COMPANY, LP (2) |
| BORDEN (33) | 6 | 10 | +4 | BC OPERATING, INC. (4) · PATTERSON PETROLEUM LLC (2) · PRIMEXX OPERATING CORPORATION (2) |
| EDWARDS (137) | 20 | 10 | -10 | NEWFIELD EXPLORATION COMPANY (3) · HIGHMOUNT EXPL & PROD TEXAS LLC (2) · STONEGATE PRODUCTION COMPANY,LLC (2) |
| LIBERTY (291) | 10 | 10 | +0 | CIMAREX ENERGY CO. (3) · CHOICE EXPLORATION, INC. (2) · B & J VACUUM TANK SERVICE INC. (1) |
| MAVERICK (323) | 21 | 10 | -11 | TXCO RESOURCES INC. (6) · ASHTOLA EXPLORATION COMPANY,INC. (1) · CMR ENERGY, L.P. (1) |
| WILBARGER (487) | 11 | 10 | -1 | ANNAVAS DEVELOPMENT CO., LTD. (3) · WG OPERATING, INC. (2) · DRY FORK PRODUCTION CO., LLC (1) |
| BASTROP (21) | 5 | 9 | +4 | STO OPERATING COMPANY (4) · DIVERSITY PETROLEUM, LP (3) · GEOSOUTHERN ENERGY CORPORATION (2) |
| ELLIS (139) | 6 | 9 | +3 | EOG RESOURCES, INC. (7) · BLUE RIVER INC. (1) · CHESAPEAKE OPERATING, INC. (1) |
| FORT BEND (157) | 18 | 9 | -9 | MAVERICK PROD. CO., INC. (3) · JETTA OPERATING COMPANY, INC. (2) · ECA HOLDINGS, L.P. (1) |
| KARNES (255) | 7 | 9 | +2 | ENDURING RESOURCES, LLC (3) · AMPAK OIL COMPANY (2) · ABRAXAS PETROLEUM CORPORATION (1) |
| MOORE (341) | 16 | 9 | -7 | LINN OPERATING, INC. (2) · SAMSON LONE STAR, LLC (2) · W.B.D. OIL AND GAS INC. (2) |
| UPSHUR (459) | 12 | 9 | -3 | MCBEE OPERATING COMPANY, L.L.C. (5) · MAXIMUS OPERATING, LTD. (2) · CORDILLERA TEXAS, L.P. (1) |
| BROWN (49) | 13 | 8 | -5 | CENTRAL BASIN OIL INV. INC. (3) · DEL MAR ENERGY, INC. (3) · AMES OIL (1) |
| CALDWELL (55) | 9 | 8 | -1 | TRISTAR EXPLORATION, INC (4) · TITAN EXPLORATION, LLC (2) · GEOMEG OPERATING, LLC (1) |
| CHAMBERS (71) | 5 | 8 | +3 | DAVIS PETROLEUM CORP. (2) · LAPIS OPERATING, INC. (2) · ELLIOTT OIL & GAS OPERATING CO. (1) |
| COKE (81) | 2 | 8 | +6 | PIONEER EXPLORATION, LTD. (3) · CHOLLA PETROLEUM, INC. (1) · ENERVEST OPERATING, L.L.C. (1) |
| DAWSON (115) | 11 | 8 | -3 | SIANA OIL & GAS (2) · BC OPERATING, INC. (1) · BOYD & MCWILLIAMS ENERGY GROUP (1) |
| HENDERSON (213) | 13 | 8 | -5 | XTO ENERGY INC. (3) · DECKER OPERATING CO., L.L.C. (2) · DALE OPERATING COMPANY (1) |
| HUDSPETH (229) | 2 | 8 | +6 | TRAIL MOUNTAIN, INC. (7) · MATADOR PRODUCTION COMPANY (1) |
| KENT (263) | 11 | 8 | -3 | EXCO RESOURCES, INC. (2) · HALLIBURTON OPERATING COMPANY (2) · SHARP IMAGE ENERGY, INC. (2) |
| KING (269) | 18 | 8 | -10 | WHEAT, BUCK RESOURCES, INC. (4) · EXCO RESOURCES, INC. (1) · GINNINGS COMPANY (1) |
| MARION (315) | 2 | 8 | +6 | PEGASI OPERATING INC. (2) · WINCHESTER PRODUCTION CO., LTD. (2) · CHALKER ENERGY MANAGEMENT II,LLC (1) |
| STERLING (431) | 32 | 8 | -24 | CHEVRON MIDCONTINENT, L.P. (4) · BRIGHT & CO. (2) · RANGE PRODUCTION COMPANY (1) |
| TERRELL (443) | 20 | 8 | -12 | ENCORE OPERATING, L.P. (3) · FASKEN OIL AND RANCH, LTD. (3) · NEWFIELD EXPLORATION COMPANY (1) |
| BROOKS (47) | 18 | 7 | -11 | CORONADO ENERGY E&P COMPANY, LLC (2) · BRIGHAM OIL & GAS, L.P. (1) · CHEVRON U. S. A. INC. (1) |
| DALLAS (113) | 8 | 7 | -1 | CHESAPEAKE OPERATING, INC. (6) · DALE OPERATING COMPANY (1) |
| GALVESTON (167) | 7 | 7 | +0 | ERG RESOURCES, L.L.C. (1) · HOUSTON OIL PROD ENTERPRISES,INC (1) · HUNT, HASSIE EXPLORATION COMPANY (1) |
| GRAYSON (181) | 3 | 7 | +4 | ATOKA OPERATING, INC. (3) · BLS PRODUCTION CO., INC. (1) · CHOLLA PETROLEUM, INC. (1) |
| LAMPASAS (281) | 0 | 7 | +7 | SCULLY ENERGY CORPORATION (4) · CENTRAL BASIN OIL INV. INC. (2) · LAMPASAS OIL CORPORATION (1) |
| SAN JACINTO (407) | 14 | 7 | -7 | FAMCOR OIL, INC. (2) · WEEKLEY ENERGY GROUP, LLC (2) · ALTA MESA SERVICES, LP (1) |
| SOMERVELL (425) | 6 | 7 | +1 | ARRINGTON,DAVID H. OIL & GAS,INC (4) · QUICKSILVER RESOURCES INC. (2) · EOG RESOURCES, INC. (1) |
| TYLER (457) | 9 | 7 | -2 | UNIT PETROLEUM COMPANY (3) · ANADARKO E&P COMPANY LP (1) · ETOCO, L.P. (1) |
| JIM WELLS (249) | 5 | 6 | +1 | KEBO OIL & GAS, INC. (2) · ANDERSON OIL LTD. (1) · CG OPERATING, INC. (1) |
| MADISON (313) | 2 | 6 | +4 | PALMER PETROLEUM INC. (3) · CORDILLERA ENERGY PRTNRS III,LLC (2) · CML EXPLORATION, LLC (1) |
| BRAZOS (41) | 5 | 5 | +0 | ENERVEST OPERATING, L.L.C. (2) · EVOLUTION OPERATING CO., INC. (1) · UNIT PETROLEUM COMPANY (1) |
| CALHOUN (57) | 17 | 5 | -12 | CHESAPEAKE OPERATING, INC. (2) · CIMAREX ENERGY CO. OF COLORADO (1) · SABCO OPERATING COMPANY (1) |
| CALLAHAN (59) | 13 | 5 | -8 | PROBE EXPLORATION COMPANY (2) · ATMOS ENERGY CORP., MID-TEX DIV. (1) · CHISHOLM OPERATING, INC. (1) |
| COLORADO (89) | 21 | 5 | -16 | EVEREST RESOURCE COMPANY (1) · GARRISON LTD. (1) · GEMARMI INC. (1) |
| FAYETTE (149) | 2 | 5 | +3 | EVOLUTION OPERATING CO., INC. (2) · GEOSOUTHERN ENERGY CORPORATION (2) · CALLOWAY ENGINEERING, LLC (1) |
| HARRIS (201) | 16 | 5 | -11 | BALLARD EXPLORATION COMPANY,INC. (1) · BRAMMER ENGINEERING, INC. (1) · CARRIZO OIL & GAS, INC. (1) |
| HOUSTON (225) | 11 | 5 | -6 | CHESAPEAKE OPERATING, INC. (2) · XTO ENERGY INC. (2) · NAVIDAD RESOURCES, LLC (1) |
| JIM HOGG (247) | 12 | 5 | -7 | MORTIMER PRODUCTION COMPANY (2) · COX, MARTIN REGAN (1) · MESTENA OPERATING, LTD. (1) |
| KLEBERG (273) | 5 | 5 | +0 | BNP PETROLEUM CORPORATION (2) · EXXON MOBIL CORPORATION (1) · MANTI OPERATING COMPANY (1) |
| LEE (287) | 6 | 5 | -1 | ENERVEST OPERATING, L.L.C. (2) · WCS OIL & GAS CORPORATION (2) · U. S. OPERATING, INC. (1) |
| LUBBOCK (303) | 4 | 5 | +1 | MERIT ENERGY COMPANY (3) · YATES DRILLING COMPANY (2) |
| COLEMAN (83) | 3 | 4 | +1 | PIONEER EXPLORATION, LTD. (3) · CREEK ENERGY, INC. (1) |
| CORYELL (99) | 1 | 4 | +3 | HALEK ENERGY L.L.C. (3) · CENTRAL BASIN OIL INV. INC. (1) |
| COTTLE (101) | 4 | 4 | +0 | GUNN OIL COMPANY (3) · PATTON, E. N. OIL COMPANY, INC. (1) |
| LAMB (279) | 0 | 4 | +4 | CAPALI ENERGY LLC (2) · OCCIDENTAL PERMIAN LTD. (1) · SWANSON, TOMMY OIL COMPANY, INC. (1) |
| MONTGOMERY (339) | 3 | 4 | +1 | DEANLAKE OPERATOR, L.L.C. (1) · DEVON ENERGY PRODUCTION CO, L.P. (1) · FAMCOR OIL, INC. (1) |
| SAN AUGUSTINE (405) | 9 | 4 | -5 | SOUTHWESTERN ENERGY PROD. CO. (2) · ST. MARY LAND & EXPLORATION CO. (2) |
| WILLACY (489) | 11 | 4 | -7 | BLAKENERGY OPERATING, LLC (2) · CIMARRON ENGINEERING CORP. (1) · SUEMAUR EXPL. & PROD., LLC (1) |
| WOOD (499) | 5 | 4 | -1 | PIONEER EXPLORATION, LTD. (2) · EXXON MOBIL CORPORATION (1) · WHITE ROCK EXPLORATION, INC. (1) |
| ZAVALA (507) | 6 | 4 | -2 | TXCO RESOURCES INC. (2) · CML EXPLORATION, LLC (1) · TEXAS AMERICAN RESOURCES COMPANY (1) |
| COCHRAN (79) | 3 | 3 | +0 | APACHE CORPORATION (2) · WALSH PETROLEUM, INC. (1) |
| COMANCHE (93) | 3 | 3 | +0 | J & M COMPANY (2) · SANER, WALTER B. (1) |
| HAMILTON (193) | 0 | 3 | +3 | DART OIL & GAS CORPORATION (3) |
| HARTLEY (205) | 0 | 3 | +3 | FORTAY, INC. (2) · CAMBRIDGE PRODUCTION, INC. (1) |
| MENARD (327) | 6 | 3 | -3 | PAINT ROCK OPERATING, LLC (2) · F & S PETROLEUM, L.L.C. (1) |
| NAVARRO (349) | 5 | 3 | -2 | B & J OIL COMPANY (1) · RISING STAR PETROLEUM, L.L.C. (1) · XTO ENERGY INC. (1) |
| NEWTON (351) | 4 | 3 | -1 | DELTA EXPLORATION COMPANY, INC. (1) · P.O.S. ENERGY, INC. (1) · SMITH PRODUCTION INC. (1) |
| ORANGE (361) | 5 | 3 | -2 | BENCHMARK OIL & GAS COMPANY (1) · JORDAN OIL COMPANY, INC. (1) · SAMSON LONE STAR, LLC (1) |
| VAN ZANDT (467) | 8 | 3 | -5 | UNION OIL COMPANY OF CALIFORNIA (2) · JAMEX, INC. (1) |
| WASHINGTON (477) | 3 | 3 | +0 | ENERVEST OPERATING, L.L.C. (1) · JENEX PETROLEUM CORPORATION (1) · SUNDOWN ENERGY LP (1) |
| ARANSAS (7) | 4 | 2 | -2 | CABOT OIL & GAS CORPORATION (1) · LAMAR OIL & GAS, INC. (1) |
| CARSON (65) | 0 | 2 | +2 | CAPROCK ENGINEERING, INC. (1) · TRAVELERS OIL COMPANY (1) |
| FOARD (155) | 8 | 2 | -6 | GINNINGS COMPANY (2) |
| FRANKLIN (159) | 7 | 2 | -5 | XTO ENERGY INC. (2) |
| GRAY (179) | 2 | 2 | +0 | BRADLEY OPERATING CO. (1) · BRIGHAM OIL & GAS, L.P. (1) |
| GRIMES (185) | 7 | 2 | -5 | AKG OPERATING COMPANY (1) · SOUTHERN BAY OPERATING, L.L.C. (1) |
| HARDEMAN (197) | 7 | 2 | -5 | ECHO PRODUCTION, INC. (1) · TRIO CONSULTING & MANAGEMENT,LLC (1) |
| JASPER (241) | 4 | 2 | -2 | ANADARKO E&P COMPANY LP (1) · JAMEX, INC. (1) |
| JEFF DAVIS (243) | 0 | 2 | +2 | CHESAPEAKE OPERATING, INC. (2) |
| KNOX (275) | 1 | 2 | +1 | CHINA STAR OIL CO., LLC (1) · PATTON, E. N. OIL COMPANY, INC. (1) |
| LYNN (305) | 4 | 2 | -2 | REATTA ENERGY, INC. (1) · UNIT PETROLEUM COMPANY (1) |
| VAL VERDE (465) | 9 | 2 | -7 | CIMAREX ENERGY CO. OF COLORADO (1) · WINN EXPLORATION CO., INC. (1) |
| HIGH IS-LB (708) | 2 | 2 | +0 | JEFFERSON BLOCK 24 OIL & GAS LLC (1) · SENECA RESOURCES CORPORATION (1) |
| ATASCOSA (13) | 3 | 1 | -2 | ATASCOSA EXPLORATION, LLC (1) |
| BOSQUE (35) | 2 | 1 | -1 | RANGE PRODUCTION COMPANY (1) |
| CASS (67) | 0 | 1 | +1 | M. E. OPERATING & SERVICES, INC. (1) |
| CROSBY (107) | 2 | 1 | -1 | APACHE CORPORATION (1) |
| GONZALES (177) | 4 | 1 | -3 | HM PETROLEUM INC (1) |
| HASKELL (207) | 9 | 1 | -8 | GLAHN RESOURCES, INC. (1) |
| HOPKINS (223) | 0 | 1 | +1 | WEST MOUNTAIN OPERATING CO, INC. (1) |
| MEDINA (325) | 0 | 1 | +1 | ACTIVA RESOURCES, LTD. (1) |
| POTTER (375) | 3 | 1 | -2 | PIONEER NATURAL RES. USA, INC. (1) |
| RED RIVER (387) | 3 | 1 | -2 | CREST RESOURCES, INC. (1) |
| TRAVIS (453) | 0 | 1 | +1 | HOTCO ENERGY COMPANY (1) |
| WALKER (471) | 2 | 1 | -1 | KATANA ENERGY, LLC (1) |
| WILSON (493) | 1 | 1 | +0 | FIRST ROCK, INC. (1) |
| BANDERA (19) | 1 | 0 | -1 | |
| CAMERON (61) | 1 | 0 | -1 | |
| CAMP (63) | 1 | 0 | -1 | |
| FALLS (145) | 3 | 0 | -3 | |
| GUADALUPE (187) | 11 | 0 | -11 | |
| KIMBLE (267) | 1 | 0 | -1 | |
| MCCULLOCH (307) | 1 | 0 | -1 | |
| MILAM (331) | 2 | 0 | -2 | |
| MILLS (333) | 1 | 0 | -1 | |
| OLDHAM (359) | 1 | 0 | -1 | |
| REAL (385) | 2 | 0 | -2 | |
| MUSTANG IS-LB (702) | 1 | 0 | -1 | |
| MATGRDA IS-LB (703) | 2 | 0 | -2 | |
| BRAZOS-LB (704) | 3 | 0 | -3 | |
| GALVESTON-LB (706) | 1 | 0 | -1 |