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: 2007Q4

Original drilling permits by county, shown as the change since 2007Q3. 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

≤−30 −29…−10 −9…−1 0 +1…+9 +10…+29 +30 and up

195 counties had at least one permit approved in 2007Q4.

Table view: every county with activity (210)
County2007Q3 2007Q4Δ 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