Counties
238 counties
| COUNTY | BASIN | DISTRICT | WELLS | OPERATORS |
|---|
| ANDERSON | East Texas | 6 | 835 | 51 |
| ANDREWS | Eagle Ford / Maverick | 8 | 11,818 | 163 |
| ANGELINA | East Texas | 6 | 160 | 11 |
| ARANSAS | Gulf Coast (Southwest) | 4 | 52 | 6 |
| ARCHER | Eagle Ford / Maverick | 9 | 2,887 | 153 |
| ARMSTRONG | Permian (West) | 10 | 1 | 1 |
| ATASCOSA | Gulf Coast (Central) | 2 | 2,100 | 98 |
| AUSTIN | Gulf Coast (Southeast) | 3 | 130 | 13 |
| BANDERA | Gulf Coast (South) | 1 | 2 | 1 |
| BASTROP | Gulf Coast (Southeast) | 3 | 250 | 27 |
| BAYLOR | Eagle Ford / Maverick | 9 | 216 | 20 |
| BEE | Gulf Coast (Central) | 2 | 547 | 91 |
| BEXAR | Gulf Coast (South) | 1 | 1,687 | 56 |
| BLANCO | Gulf Coast (South) | 1 | 1 | 1 |
| BORDEN | Eagle Ford / Maverick | 8 | 1,033 | 57 |
| BOSQUE | Eagle Ford / Maverick | 9 | 10 | 3 |
| BOWIE | East Texas | 6 | 22 | 10 |
| BRAZORIA | Gulf Coast (Southeast) | 3 | 543 | 56 |
| BRAZOS | East Texas | 5 | 673 | 31 |
| BRAZOS-LB | Gulf Coast (Southeast) | 3 | 8 | 2 |
| BROOKS | Gulf Coast (Southwest) | 4 | 362 | 35 |
| BROWN | Eagle Ford / Maverick | 7 | 806 | 109 |
| BURLESON | East Texas | 5 | 1,218 | 56 |
| CALDWELL | Gulf Coast (South) | 1 | 2,306 | 83 |
| CALHOUN | Gulf Coast (Central) | 2 | 83 | 30 |
| CALLAHAN | Eagle Ford / Maverick | 7 | 648 | 90 |
| CAMERON | Gulf Coast (Southwest) | 4 | 3 | 2 |
| CAMP | East Texas | 6 | 137 | 7 |
| CARSON | Permian (West) | 10 | 1,836 | 66 |
| CASS | East Texas | 6 | 273 | 34 |
| CHAMBERS | Gulf Coast (Southeast) | 3 | 484 | 48 |
| CHEROKEE | East Texas | 6 | 588 | 44 |
| CHILDRESS | Permian (West) | 10 | 4 | 2 |
| CLAY | Eagle Ford / Maverick | 9 | 1,126 | 84 |
| COCHRAN | Eagle Ford / Maverick | 8 | 2,184 | 56 |
| COKE | Eagle Ford / Maverick | 8 | 340 | 34 |
| COLEMAN | Eagle Ford / Maverick | 7 | 969 | 105 |
| COLLINGSWORTH | Permian (West) | 10 | 375 | 19 |
| COLORADO | Gulf Coast (Southeast) | 3 | 194 | 57 |
| COMANCHE | Eagle Ford / Maverick | 7 | 135 | 33 |
| CONCHO | Eagle Ford / Maverick | 7 | 224 | 24 |
| COOKE | Eagle Ford / Maverick | 9 | 2,112 | 67 |
| COTTLE | Eagle Ford / Maverick | 9 | 132 | 15 |
| CRANE | Eagle Ford / Maverick | 8 | 4,602 | 130 |
| CROCKETT | Eagle Ford / Maverick | 8 | 7,590 | 157 |
| CROSBY | Eagle Ford / Maverick | 8 | 777 | 14 |
| CULBERSON | Eagle Ford / Maverick | 8 | 1,687 | 36 |
| DALLAS | Eagle Ford / Maverick | 9 | 62 | 3 |
| DAWSON | Eagle Ford / Maverick | 8 | 1,822 | 101 |
| DEAF SMITH | Permian (West) | 10 | 2 | 2 |
| DENTON | Eagle Ford / Maverick | 9 | 2,797 | 43 |
| DE WITT | Gulf Coast (Central) | 2 | 2,568 | 74 |
| DICKENS | Eagle Ford / Maverick | 8 | 164 | 25 |
| DIMMIT | Gulf Coast (Southwest) | 4 | 4,110 | 77 |
| DONLEY | Permian (West) | 10 | 9 | 2 |
| DUVAL | Gulf Coast (Southwest) | 4 | 1,260 | 106 |
| EASTLAND | Eagle Ford / Maverick | 9 | 933 | 105 |
| ECTOR | Eagle Ford / Maverick | 8 | 9,152 | 122 |
| EDWARDS | Eagle Ford / Maverick | 7 | 594 | 28 |
| ELLIS | Eagle Ford / Maverick | 9 | 42 | 4 |
| ERATH | Eagle Ford / Maverick | 9 | 284 | 49 |
| FALLS | East Texas | 5 | 16 | 6 |
| FANNIN | East Texas | 5 | 1 | 1 |
| FAYETTE | Gulf Coast (Southeast) | 3 | 717 | 43 |
| FISHER | Eagle Ford / Maverick | 8 | 690 | 52 |
| FLOYD | Eagle Ford / Maverick | 8 | 7 | 4 |
| FOARD | Eagle Ford / Maverick | 9 | 220 | 16 |
| FORT BEND | Gulf Coast (Southeast) | 3 | 681 | 38 |
| FRANKLIN | East Texas | 6 | 115 | 8 |
| FREESTONE | East Texas | 6 | 2,593 | 56 |
| FRIO | Gulf Coast (South) | 1 | 1,180 | 94 |
| GAINES | Eagle Ford / Maverick | 8 | 4,571 | 117 |
| GALVESTON | Gulf Coast (Southeast) | 3 | 158 | 27 |
| GALVESTON-LB | Gulf Coast (Southeast) | 3 | 1 | 1 |
| GARZA | Eagle Ford / Maverick | 8 | 2,097 | 60 |
| GLASSCOCK | Eagle Ford / Maverick | 8 | 4,732 | 74 |
| GOLIAD | Gulf Coast (Central) | 2 | 386 | 83 |
| GONZALES | Gulf Coast (Southeast) | 3 | 2,178 | 66 |
| GRAY | Permian (West) | 10 | 3,684 | 95 |
| GRAYSON | Eagle Ford / Maverick | 9 | 504 | 45 |
| GREGG | East Texas | 6 | 3,930 | 88 |
| GRIMES | East Texas | 5 | 258 | 29 |
| GUADALUPE | Gulf Coast (South) | 1 | 1,553 | 57 |
| HALE | Eagle Ford / Maverick | 8 | 327 | 6 |
| HAMILTON | Eagle Ford / Maverick | 7 | 7 | 2 |
| HANSFORD | Permian (West) | 10 | 736 | 72 |
| HARDEMAN | Eagle Ford / Maverick | 9 | 182 | 32 |
| HARDIN | Gulf Coast (Southeast) | 3 | 1,051 | 54 |
| HARRIS | Gulf Coast (Southeast) | 3 | 560 | 63 |
| HARRISON | East Texas | 6 | 2,864 | 108 |
| HARTLEY | Permian (West) | 10 | 132 | 14 |
| HASKELL | Eagle Ford / Maverick | 7 | 386 | 54 |
| HEMPHILL | Permian (West) | 10 | 2,789 | 50 |
| HENDERSON | East Texas | 6 | 454 | 38 |
| HIDALGO | Gulf Coast (Southwest) | 4 | 1,262 | 53 |
| HIGH IS-LB | Gulf Coast (Southeast) | 3 | 15 | 5 |
| HIGH IS-SB | Gulf Coast (Southeast) | 3 | 7 | 2 |
| HILL | Eagle Ford / Maverick | 9 | 239 | 13 |
| HOCKLEY | Eagle Ford / Maverick | 8 | 4,553 | 75 |
| HOOD | Eagle Ford / Maverick | 9 | 757 | 31 |
| HOPKINS | East Texas | 5 | 91 | 9 |
| HOUSTON | East Texas | 6 | 289 | 39 |
| HOWARD | Eagle Ford / Maverick | 8 | 6,872 | 121 |
| HUDSPETH | Eagle Ford / Maverick | 8 | 13 | 1 |
| HUNT | East Texas | 5 | 4 | 1 |
| HUTCHINSON | Permian (West) | 10 | 4,273 | 99 |
| IRION | Eagle Ford / Maverick | 8 | 1,749 | 76 |
| JACK | Eagle Ford / Maverick | 9 | 2,182 | 170 |
| JACKSON | Gulf Coast (Southeast) | 3 | 461 | 83 |
| JASPER | East Texas | 6 | 168 | 34 |
| JEFF DAVIS | Eagle Ford / Maverick | 8 | 1 | 1 |
| JEFFERSON | Gulf Coast (Southeast) | 3 | 301 | 49 |
| JIM HOGG | Gulf Coast (Southwest) | 4 | 254 | 34 |
| JIM WELLS | Gulf Coast (Southwest) | 4 | 147 | 37 |
| JOHNSON | Eagle Ford / Maverick | 9 | 3,150 | 28 |
| JONES | Eagle Ford / Maverick | 7 | 952 | 120 |
| KARNES | Gulf Coast (Central) | 2 | 5,470 | 75 |
| KAUFMAN | East Texas | 5 | 32 | 5 |
| KENEDY | Gulf Coast (Southwest) | 4 | 179 | 10 |
| KENT | Eagle Ford / Maverick | 8 | 557 | 37 |
| KERR | Gulf Coast (South) | 1 | 2 | 1 |
| KIMBLE | Eagle Ford / Maverick | 7 | 18 | 5 |
| KING | Eagle Ford / Maverick | 8 | 300 | 25 |
| KINNEY | Gulf Coast (South) | 1 | 1 | 1 |
| KLEBERG | Gulf Coast (Southwest) | 4 | 140 | 18 |
| KNOX | Eagle Ford / Maverick | 9 | 180 | 31 |
| LAMB | Eagle Ford / Maverick | 8 | 149 | 13 |
| LA SALLE | Gulf Coast (Southwest) | 4 | 4,270 | 56 |
| LAVACA | Gulf Coast (Southeast) | 3 | 750 | 78 |
| LEE | Gulf Coast (Southeast) | 3 | 632 | 41 |
| LEON | East Texas | 6 | 759 | 65 |
| LIBERTY | Gulf Coast (Southeast) | 3 | 1,042 | 103 |
| LIMESTONE | East Texas | 5 | 1,067 | 27 |
| LIPSCOMB | Permian (West) | 10 | 1,870 | 65 |
| LIVE OAK | Gulf Coast (Southwest) | 4 | 1,399 | 93 |
| LOVING | Eagle Ford / Maverick | 8 | 3,931 | 80 |
| LUBBOCK | Eagle Ford / Maverick | 8 | 440 | 28 |
| LYNN | Eagle Ford / Maverick | 8 | 62 | 16 |
| MADISON | East Texas | 5 | 536 | 32 |
| MARION | East Texas | 6 | 307 | 40 |
| MARTIN | Eagle Ford / Maverick | 8 | 9,429 | 83 |
| MATAGORDA | Gulf Coast (Southeast) | 3 | 224 | 56 |
| MATGRDA IS-LB | Gulf Coast (Southeast) | 3 | 15 | 4 |
| MATGRDA IS-SB | Gulf Coast (Southeast) | 3 | 1 | 1 |
| MAVERICK | Gulf Coast (South) | 1 | 1,181 | 38 |
| MCCULLOCH | Eagle Ford / Maverick | 7 | 98 | 11 |
| MCLENNAN | East Texas | 5 | 28 | 2 |
| MCMULLEN | Gulf Coast (Southwest) | 4 | 3,516 | 108 |
| MEDINA | Gulf Coast (South) | 1 | 1,659 | 52 |
| MENARD | Eagle Ford / Maverick | 7 | 140 | 14 |
| MIDLAND | Eagle Ford / Maverick | 8 | 9,749 | 78 |
| MILAM | Gulf Coast (Southeast) | 3 | 1,886 | 81 |
| MILLS | Eagle Ford / Maverick | 7 | 3 | 1 |
| MITCHELL | Eagle Ford / Maverick | 8 | 3,205 | 68 |
| MONTAGUE | Eagle Ford / Maverick | 9 | 2,805 | 100 |
| MONTGOMERY | Gulf Coast (Southeast) | 3 | 155 | 16 |
| MOORE | Permian (West) | 10 | 2,307 | 54 |
| MORRIS | East Texas | 6 | 18 | 1 |
| MOTLEY | Eagle Ford / Maverick | 8 | 44 | 11 |
| MUSTANG IS-LB | Gulf Coast (Southwest) | 4 | 15 | 3 |
| MUSTANG IS-SB | Gulf Coast (Southwest) | 4 | 7 | 3 |
| NACOGDOCHES | East Texas | 6 | 1,349 | 61 |
| NAVARRO | East Texas | 6 | 793 | 48 |
| NEWTON | East Texas | 6 | 166 | 29 |
| NOLAN | Eagle Ford / Maverick | 9 | 718 | 71 |
| NUECES | Gulf Coast (Southwest) | 4 | 441 | 68 |
| OCHILTREE | Permian (West) | 10 | 1,533 | 79 |
| OLDHAM | Permian (West) | 10 | 68 | 11 |
| ORANGE | Gulf Coast (Southeast) | 3 | 270 | 24 |
| PALO PINTO | Eagle Ford / Maverick | 9 | 1,373 | 128 |
| PANOLA | East Texas | 6 | 5,168 | 101 |
| PARKER | Eagle Ford / Maverick | 9 | 1,658 | 121 |
| PECOS | Eagle Ford / Maverick | 8 | 4,927 | 210 |
| POLK | East Texas | 6 | 367 | 36 |
| POTTER | Permian (West) | 10 | 988 | 21 |
| PRESIDIO | Eagle Ford / Maverick | 8 | 2 | 1 |
| RAINS | East Texas | 6 | 14 | 4 |
| REAGAN | Eagle Ford / Maverick | 8 | 5,766 | 115 |
| REAL | Gulf Coast (South) | 1 | 3 | 2 |
| RED RIVER | East Texas | 6 | 29 | 5 |
| REEVES | Eagle Ford / Maverick | 8 | 6,292 | 149 |
| REFUGIO | Gulf Coast (Southwest) | 4 | 521 | 45 |
| ROBERTS | Permian (West) | 10 | 1,147 | 49 |
| ROBERTSON | East Texas | 5 | 1,176 | 32 |
| RUNNELS | Eagle Ford / Maverick | 7 | 393 | 69 |
| RUSK | East Texas | 6 | 4,329 | 115 |
| SABINE | East Texas | 6 | 23 | 8 |
| SAN AUGUSTINE | East Texas | 6 | 545 | 18 |
| SAN JACINTO | Gulf Coast (Southeast) | 3 | 105 | 20 |
| SAN PATRICIO | Gulf Coast (Southwest) | 4 | 205 | 47 |
| SAN SABA | Eagle Ford / Maverick | 7 | 4 | 1 |
| SCHLEICHER | Eagle Ford / Maverick | 7 | 971 | 65 |
| SCURRY | Eagle Ford / Maverick | 8 | 3,662 | 87 |
| SHACKELFORD | Eagle Ford / Maverick | 9 | 1,949 | 128 |
| SHELBY | East Texas | 6 | 728 | 48 |
| SHERMAN | Permian (West) | 10 | 907 | 38 |
| SMITH | East Texas | 6 | 881 | 62 |
| SOMERVELL | Eagle Ford / Maverick | 9 | 112 | 7 |
| STARR | Gulf Coast (Southwest) | 4 | 1,310 | 62 |
| STEPHENS | Eagle Ford / Maverick | 9 | 2,343 | 115 |
| STERLING | Eagle Ford / Maverick | 8 | 1,015 | 55 |
| STONEWALL | Eagle Ford / Maverick | 8 | 843 | 62 |
| SUTTON | Eagle Ford / Maverick | 7 | 6,093 | 37 |
| SWISHER | Permian (West) | 10 | 1 | 1 |
| TARRANT | Eagle Ford / Maverick | 9 | 4,208 | 26 |
| TAYLOR | Eagle Ford / Maverick | 7 | 454 | 85 |
| TERRELL | Eagle Ford / Maverick | 8 | 581 | 16 |
| TERRY | Eagle Ford / Maverick | 8 | 1,024 | 55 |
| THROCKMORTON | Eagle Ford / Maverick | 9 | 1,050 | 87 |
| TITUS | East Texas | 6 | 122 | 11 |
| TOM GREEN | Eagle Ford / Maverick | 8 | 425 | 55 |
| TRAVIS | Gulf Coast (South) | 1 | 24 | 3 |
| TRINITY | Gulf Coast (Southeast) | 3 | 30 | 7 |
| TYLER | East Texas | 6 | 229 | 26 |
| UPSHUR | East Texas | 6 | 830 | 40 |
| UPTON | Eagle Ford / Maverick | 8 | 7,132 | 111 |
| VAL VERDE | Eagle Ford / Maverick | 7 | 283 | 25 |
| VAN ZANDT | East Texas | 5 | 278 | 23 |
| VICTORIA | Gulf Coast (Central) | 2 | 369 | 58 |
| WALKER | East Texas | 6 | 46 | 16 |
| WALLER | Gulf Coast (Southeast) | 3 | 305 | 24 |
| WARD | Eagle Ford / Maverick | 8 | 4,168 | 132 |
| WASHINGTON | Gulf Coast (Southeast) | 3 | 453 | 20 |
| WEBB | Gulf Coast (Southwest) | 4 | 7,683 | 90 |
| WHARTON | Gulf Coast (Southeast) | 3 | 529 | 70 |
| WHEELER | Permian (West) | 10 | 2,567 | 81 |
| WICHITA | Eagle Ford / Maverick | 9 | 6,911 | 129 |
| WILBARGER | Eagle Ford / Maverick | 9 | 1,147 | 55 |
| WILLACY | Gulf Coast (Southwest) | 4 | 184 | 15 |
| WILLIAMSON | Gulf Coast (South) | 1 | 39 | 5 |
| WILSON | Gulf Coast (Central) | 2 | 743 | 95 |
| WINKLER | Eagle Ford / Maverick | 8 | 2,784 | 131 |
| WISE | Eagle Ford / Maverick | 9 | 4,189 | 104 |
| WOOD | East Texas | 6 | 700 | 37 |
| YOAKUM | Eagle Ford / Maverick | 8 | 4,830 | 67 |
| YOUNG | Eagle Ford / Maverick | 9 | 2,430 | 176 |
| ZAPATA | Gulf Coast (Southwest) | 4 | 3,106 | 67 |
| ZAVALA | Gulf Coast (South) | 1 | 692 | 57 |