Counties
240 counties
| COUNTY | BASIN | DISTRICT | WELLS | OPERATORS |
|---|
| ANDERSON | East Texas | 6 | 1,118 | 55 |
| ANDREWS | Eagle Ford / Maverick | 8 | 15,430 | 181 |
| ANGELINA | East Texas | 6 | 185 | 13 |
| ARANSAS | Gulf Coast (Southwest) | 4 | 122 | 17 |
| ARCHER | Eagle Ford / Maverick | 9 | 3,360 | 165 |
| ARMSTRONG | Permian (West) | 10 | 1 | 1 |
| ATASCOSA | Gulf Coast (Central) | 2 | 2,633 | 109 |
| AUSTIN | Gulf Coast (Southeast) | 3 | 274 | 19 |
| BANDERA | Gulf Coast (South) | 1 | 2 | 1 |
| BASTROP | Gulf Coast (Southeast) | 3 | 316 | 31 |
| BAYLOR | Eagle Ford / Maverick | 9 | 244 | 24 |
| BEE | Gulf Coast (Central) | 2 | 765 | 113 |
| BEXAR | Gulf Coast (South) | 1 | 2,221 | 58 |
| BLANCO | Gulf Coast (South) | 1 | 1 | 1 |
| BORDEN | Eagle Ford / Maverick | 8 | 1,440 | 62 |
| BOSQUE | Eagle Ford / Maverick | 9 | 10 | 3 |
| BOWIE | East Texas | 6 | 28 | 10 |
| BRAZORIA | Gulf Coast (Southeast) | 3 | 1,201 | 75 |
| BRAZOS | East Texas | 5 | 983 | 46 |
| BRAZOS-LB | Gulf Coast (Southeast) | 3 | 35 | 4 |
| BRISCOE | Permian (West) | 10 | 1 | 1 |
| BROOKS | Gulf Coast (Southwest) | 4 | 619 | 45 |
| BROWN | Eagle Ford / Maverick | 7 | 1,257 | 125 |
| BURLESON | East Texas | 5 | 1,568 | 71 |
| CALDWELL | Gulf Coast (South) | 1 | 2,569 | 86 |
| CALHOUN | Gulf Coast (Southwest) | 4 | 230 | 39 |
| CALLAHAN | Eagle Ford / Maverick | 7 | 818 | 100 |
| CAMERON | Gulf Coast (Southwest) | 4 | 8 | 5 |
| CAMP | East Texas | 6 | 161 | 7 |
| CARSON | Permian (West) | 10 | 2,165 | 67 |
| CASS | East Texas | 6 | 434 | 42 |
| CHAMBERS | Gulf Coast (Southeast) | 3 | 930 | 56 |
| CHEROKEE | East Texas | 6 | 684 | 51 |
| CHILDRESS | Permian (West) | 10 | 6 | 2 |
| CLAY | Eagle Ford / Maverick | 9 | 1,378 | 95 |
| COCHRAN | Eagle Ford / Maverick | 8 | 3,119 | 65 |
| COKE | Eagle Ford / Maverick | 8 | 539 | 42 |
| COLEMAN | Eagle Ford / Maverick | 7 | 1,239 | 120 |
| COLLINGSWORTH | Permian (West) | 10 | 382 | 19 |
| COLORADO | Gulf Coast (Southeast) | 3 | 383 | 70 |
| COMANCHE | Eagle Ford / Maverick | 7 | 219 | 48 |
| CONCHO | Eagle Ford / Maverick | 7 | 378 | 26 |
| COOKE | Eagle Ford / Maverick | 9 | 2,856 | 70 |
| CORYELL | Eagle Ford / Maverick | 7 | 1 | 1 |
| COTTLE | Eagle Ford / Maverick | 9 | 148 | 17 |
| CRANE | Eagle Ford / Maverick | 8 | 7,295 | 147 |
| CROCKETT | Eagle Ford / Maverick | 8 | 8,921 | 171 |
| CROSBY | Eagle Ford / Maverick | 8 | 1,145 | 15 |
| CULBERSON | Eagle Ford / Maverick | 8 | 1,762 | 37 |
| DALLAS | Eagle Ford / Maverick | 9 | 63 | 3 |
| DAWSON | Eagle Ford / Maverick | 8 | 2,239 | 110 |
| DEAF SMITH | Permian (West) | 10 | 2 | 2 |
| DENTON | Eagle Ford / Maverick | 9 | 2,910 | 45 |
| DE WITT | Gulf Coast (Central) | 2 | 3,080 | 92 |
| DICKENS | Eagle Ford / Maverick | 8 | 259 | 28 |
| DIMMIT | Gulf Coast (Southwest) | 4 | 4,866 | 83 |
| DONLEY | Permian (West) | 10 | 10 | 2 |
| DUVAL | Gulf Coast (Southwest) | 4 | 1,684 | 126 |
| EASTLAND | Eagle Ford / Maverick | 9 | 1,807 | 129 |
| ECTOR | Eagle Ford / Maverick | 8 | 12,893 | 149 |
| EDWARDS | Eagle Ford / Maverick | 7 | 692 | 29 |
| ELLIS | Eagle Ford / Maverick | 9 | 65 | 5 |
| ERATH | Eagle Ford / Maverick | 9 | 338 | 54 |
| FALLS | East Texas | 5 | 19 | 7 |
| FANNIN | East Texas | 5 | 1 | 1 |
| FAYETTE | Gulf Coast (Southeast) | 3 | 946 | 57 |
| FISHER | Eagle Ford / Maverick | 8 | 958 | 57 |
| FLOYD | Eagle Ford / Maverick | 8 | 7 | 4 |
| FOARD | Eagle Ford / Maverick | 9 | 267 | 18 |
| FORT BEND | Gulf Coast (Southeast) | 3 | 955 | 44 |
| FRANKLIN | East Texas | 6 | 312 | 8 |
| FREESTONE | East Texas | 6 | 3,243 | 59 |
| FRIO | Gulf Coast (South) | 1 | 1,297 | 93 |
| GAINES | Eagle Ford / Maverick | 8 | 7,443 | 138 |
| GALVESTON | Gulf Coast (Southeast) | 3 | 284 | 37 |
| GALVESTON-LB | Gulf Coast (Southeast) | 3 | 3 | 1 |
| GARZA | Eagle Ford / Maverick | 8 | 2,992 | 66 |
| GLASSCOCK | Eagle Ford / Maverick | 8 | 5,733 | 93 |
| GOLIAD | Gulf Coast (Central) | 2 | 563 | 104 |
| GONZALES | Gulf Coast (Southeast) | 3 | 2,360 | 73 |
| GRAY | Permian (West) | 10 | 4,380 | 97 |
| GRAYSON | Eagle Ford / Maverick | 9 | 849 | 51 |
| GREGG | East Texas | 6 | 4,275 | 95 |
| GRIMES | East Texas | 5 | 309 | 33 |
| GUADALUPE | Gulf Coast (South) | 1 | 1,638 | 57 |
| HALE | Eagle Ford / Maverick | 8 | 363 | 6 |
| HAMILTON | Eagle Ford / Maverick | 7 | 9 | 2 |
| HANSFORD | Permian (West) | 10 | 933 | 88 |
| HARDEMAN | Eagle Ford / Maverick | 9 | 282 | 35 |
| HARDIN | Gulf Coast (Southeast) | 3 | 1,317 | 69 |
| HARRIS | Gulf Coast (Southeast) | 3 | 880 | 73 |
| HARRISON | East Texas | 6 | 3,448 | 125 |
| HARTLEY | Permian (West) | 10 | 150 | 14 |
| HASKELL | Eagle Ford / Maverick | 7 | 512 | 57 |
| HEMPHILL | Permian (West) | 10 | 3,217 | 54 |
| HENDERSON | East Texas | 6 | 611 | 42 |
| HIDALGO | Gulf Coast (Southwest) | 4 | 1,851 | 65 |
| HIGH IS-LB | Gulf Coast (Southeast) | 3 | 30 | 6 |
| HIGH IS-SB | Gulf Coast (Southeast) | 3 | 11 | 2 |
| HILL | Eagle Ford / Maverick | 9 | 240 | 13 |
| HOCKLEY | Eagle Ford / Maverick | 8 | 6,292 | 80 |
| HOOD | Eagle Ford / Maverick | 9 | 783 | 35 |
| HOPKINS | East Texas | 5 | 128 | 10 |
| HOUSTON | East Texas | 6 | 505 | 42 |
| HOWARD | Eagle Ford / Maverick | 8 | 9,414 | 142 |
| HUDSPETH | Eagle Ford / Maverick | 8 | 19 | 1 |
| HUNT | East Texas | 5 | 4 | 1 |
| HUTCHINSON | Permian (West) | 10 | 4,797 | 105 |
| IRION | Eagle Ford / Maverick | 8 | 3,140 | 86 |
| JACK | Eagle Ford / Maverick | 9 | 3,383 | 191 |
| JACKSON | Gulf Coast (Southeast) | 3 | 1,166 | 112 |
| JASPER | East Texas | 6 | 236 | 41 |
| JEFF DAVIS | Eagle Ford / Maverick | 8 | 1 | 1 |
| JEFFERSON | Gulf Coast (Southeast) | 3 | 550 | 65 |
| JIM HOGG | Gulf Coast (Southwest) | 4 | 311 | 39 |
| JIM WELLS | Gulf Coast (Southwest) | 4 | 509 | 50 |
| JOHNSON | Eagle Ford / Maverick | 9 | 3,203 | 29 |
| JONES | Eagle Ford / Maverick | 7 | 1,253 | 131 |
| KARNES | Gulf Coast (Central) | 2 | 6,082 | 85 |
| KAUFMAN | East Texas | 5 | 42 | 6 |
| KENEDY | Gulf Coast (Southwest) | 4 | 262 | 11 |
| KENT | Eagle Ford / Maverick | 8 | 882 | 41 |
| KERR | Gulf Coast (South) | 1 | 2 | 1 |
| KIMBLE | Eagle Ford / Maverick | 7 | 21 | 6 |
| KING | Eagle Ford / Maverick | 8 | 649 | 29 |
| KINNEY | Gulf Coast (South) | 1 | 1 | 1 |
| KLEBERG | Gulf Coast (Southwest) | 4 | 235 | 25 |
| KNOX | Eagle Ford / Maverick | 9 | 263 | 32 |
| LAMB | Eagle Ford / Maverick | 8 | 183 | 13 |
| LA SALLE | Gulf Coast (Southwest) | 4 | 5,199 | 62 |
| LAVACA | Gulf Coast (Southeast) | 3 | 1,077 | 97 |
| LEE | Gulf Coast (Southeast) | 3 | 996 | 50 |
| LEON | East Texas | 6 | 1,105 | 80 |
| LIBERTY | Gulf Coast (Southeast) | 3 | 1,376 | 115 |
| LIMESTONE | East Texas | 5 | 1,304 | 33 |
| LIPSCOMB | Permian (West) | 10 | 2,303 | 74 |
| LIVE OAK | Gulf Coast (Southwest) | 4 | 1,791 | 119 |
| LOVING | Eagle Ford / Maverick | 8 | 5,032 | 91 |
| LUBBOCK | Eagle Ford / Maverick | 8 | 702 | 32 |
| LYNN | Eagle Ford / Maverick | 8 | 134 | 17 |
| MADISON | East Texas | 5 | 680 | 41 |
| MARION | East Texas | 6 | 442 | 47 |
| MARTIN | Eagle Ford / Maverick | 8 | 10,182 | 91 |
| MATAGORDA | Gulf Coast (Southeast) | 3 | 544 | 78 |
| MATGRDA IS-LB | Gulf Coast (Southeast) | 3 | 29 | 6 |
| MATGRDA IS-SB | Gulf Coast (Southeast) | 3 | 6 | 2 |
| MAVERICK | Gulf Coast (South) | 1 | 1,225 | 39 |
| MCCULLOCH | Eagle Ford / Maverick | 7 | 103 | 12 |
| MCLENNAN | East Texas | 5 | 29 | 2 |
| MCMULLEN | Gulf Coast (Southwest) | 4 | 3,745 | 108 |
| MEDINA | Gulf Coast (South) | 1 | 1,926 | 52 |
| MENARD | Eagle Ford / Maverick | 7 | 198 | 17 |
| MIDLAND | Eagle Ford / Maverick | 8 | 10,823 | 84 |
| MILAM | Gulf Coast (Southeast) | 3 | 1,941 | 83 |
| MILLS | Eagle Ford / Maverick | 7 | 3 | 1 |
| MITCHELL | Eagle Ford / Maverick | 8 | 4,090 | 81 |
| MONTAGUE | Eagle Ford / Maverick | 9 | 3,594 | 111 |
| MONTGOMERY | Gulf Coast (Southeast) | 3 | 536 | 22 |
| MOORE | Permian (West) | 10 | 2,671 | 55 |
| MORRIS | East Texas | 6 | 21 | 2 |
| MOTLEY | Eagle Ford / Maverick | 8 | 51 | 10 |
| MUSTANG IS-LB | Gulf Coast (Southwest) | 4 | 20 | 4 |
| MUSTANG IS-SB | Gulf Coast (Southwest) | 4 | 17 | 4 |
| NACOGDOCHES | East Texas | 6 | 1,735 | 69 |
| NAVARRO | East Texas | 6 | 907 | 51 |
| NEWTON | East Texas | 6 | 256 | 36 |
| NOLAN | Eagle Ford / Maverick | 9 | 1,067 | 83 |
| NUECES | Gulf Coast (Southwest) | 4 | 1,074 | 78 |
| OCHILTREE | Permian (West) | 10 | 2,223 | 100 |
| OLDHAM | Permian (West) | 10 | 113 | 11 |
| ORANGE | Gulf Coast (Southeast) | 3 | 336 | 27 |
| PALO PINTO | Eagle Ford / Maverick | 9 | 1,985 | 143 |
| PANOLA | East Texas | 6 | 6,276 | 109 |
| PARKER | Eagle Ford / Maverick | 9 | 1,833 | 127 |
| PECOS | Eagle Ford / Maverick | 8 | 6,983 | 240 |
| POLK | East Texas | 6 | 486 | 42 |
| POTTER | Permian (West) | 10 | 1,348 | 22 |
| PRESIDIO | Eagle Ford / Maverick | 8 | 4 | 1 |
| RAINS | East Texas | 6 | 14 | 4 |
| REAGAN | Eagle Ford / Maverick | 8 | 7,194 | 127 |
| REAL | Gulf Coast (South) | 1 | 4 | 2 |
| RED RIVER | East Texas | 6 | 53 | 6 |
| REEVES | Eagle Ford / Maverick | 8 | 7,620 | 167 |
| REFUGIO | Gulf Coast (Southwest) | 4 | 1,686 | 56 |
| ROBERTS | Permian (West) | 10 | 1,550 | 55 |
| ROBERTSON | East Texas | 5 | 1,289 | 33 |
| RUNNELS | Eagle Ford / Maverick | 7 | 531 | 80 |
| RUSK | East Texas | 6 | 4,962 | 126 |
| SABINE | East Texas | 6 | 28 | 9 |
| SAN AUGUSTINE | East Texas | 6 | 560 | 19 |
| SAN JACINTO | Gulf Coast (Southeast) | 3 | 160 | 23 |
| SAN PATRICIO | Gulf Coast (Southwest) | 4 | 476 | 57 |
| SAN SABA | Eagle Ford / Maverick | 7 | 5 | 1 |
| SCHLEICHER | Eagle Ford / Maverick | 7 | 1,238 | 79 |
| SCURRY | Eagle Ford / Maverick | 8 | 5,079 | 97 |
| SHACKELFORD | Eagle Ford / Maverick | 9 | 2,409 | 139 |
| SHELBY | East Texas | 6 | 842 | 54 |
| SHERMAN | Permian (West) | 10 | 997 | 39 |
| SMITH | East Texas | 6 | 1,177 | 71 |
| SOMERVELL | Eagle Ford / Maverick | 9 | 114 | 7 |
| STARR | Gulf Coast (Southwest) | 4 | 1,903 | 82 |
| STEPHENS | Eagle Ford / Maverick | 9 | 3,237 | 134 |
| STERLING | Eagle Ford / Maverick | 8 | 2,223 | 63 |
| STONEWALL | Eagle Ford / Maverick | 8 | 1,146 | 66 |
| SUTTON | Eagle Ford / Maverick | 7 | 6,424 | 38 |
| SWISHER | Permian (West) | 10 | 1 | 1 |
| TARRANT | Eagle Ford / Maverick | 9 | 4,321 | 26 |
| TAYLOR | Eagle Ford / Maverick | 7 | 613 | 91 |
| TERRELL | Eagle Ford / Maverick | 8 | 688 | 19 |
| TERRY | Eagle Ford / Maverick | 8 | 1,449 | 58 |
| THROCKMORTON | Eagle Ford / Maverick | 9 | 1,337 | 100 |
| TITUS | East Texas | 6 | 301 | 12 |
| TOM GREEN | Eagle Ford / Maverick | 8 | 839 | 62 |
| TRAVIS | Gulf Coast (South) | 1 | 24 | 3 |
| TRINITY | Gulf Coast (Southeast) | 3 | 38 | 9 |
| TYLER | East Texas | 6 | 335 | 33 |
| UPSHUR | East Texas | 6 | 933 | 48 |
| UPTON | Eagle Ford / Maverick | 8 | 8,675 | 125 |
| VAL VERDE | Eagle Ford / Maverick | 7 | 304 | 25 |
| VAN ZANDT | East Texas | 5 | 485 | 29 |
| VICTORIA | Gulf Coast (Central) | 2 | 717 | 68 |
| WALKER | East Texas | 6 | 62 | 18 |
| WALLER | Gulf Coast (Southeast) | 3 | 423 | 28 |
| WARD | Eagle Ford / Maverick | 8 | 6,264 | 155 |
| WASHINGTON | Gulf Coast (Southeast) | 3 | 531 | 24 |
| WEBB | Gulf Coast (Southwest) | 4 | 8,349 | 100 |
| WHARTON | Gulf Coast (Southeast) | 3 | 908 | 87 |
| WHEELER | Permian (West) | 10 | 2,945 | 91 |
| WICHITA | Eagle Ford / Maverick | 9 | 8,026 | 134 |
| WILBARGER | Eagle Ford / Maverick | 9 | 1,445 | 58 |
| WILLACY | Gulf Coast (Southwest) | 4 | 300 | 20 |
| WILLIAMSON | Gulf Coast (South) | 1 | 41 | 5 |
| WILSON | Gulf Coast (Central) | 2 | 775 | 98 |
| WINKLER | Eagle Ford / Maverick | 8 | 4,185 | 144 |
| WISE | Eagle Ford / Maverick | 9 | 5,069 | 129 |
| WOOD | East Texas | 6 | 1,278 | 44 |
| YOAKUM | Eagle Ford / Maverick | 8 | 6,817 | 76 |
| YOUNG | Eagle Ford / Maverick | 9 | 3,143 | 191 |
| ZAPATA | Gulf Coast (Southwest) | 4 | 3,568 | 76 |
| ZAVALA | Gulf Coast (South) | 1 | 828 | 62 |