FIELDS AND POOLS · UNITED STATES
Pennsylvanian fields and pools
A regulator names each reservoir it oversees: a field in Texas, a pool in New Mexico. The name carries the formation, which is how one formation can be followed across a state line.
Wells completed in the Pennsylvanian → · The Pennsylvanian formation →
270 ON FILE · PAGE 3 OF 6
| Field or pool | State | Formation | County | Active completions | Operators | Oil, 12 mo | Gas, 12 mo | Lifetime oil | Last reported |
|---|---|---|---|---|---|---|---|---|---|
| G. P. M. (Penn.) | Texas | Penn | Winkler | 2 | 2 | 925 | 13,232 | 69,723 | Aug 2026 |
| Bluitt; Upper Pennsylvanian, North | New Mexico | Upper Pennsylvanian | Roosevelt | 1 | 1 | 916 | 1,754 | 5,875 | Aug 2026 |
| Barbasal (Pennsylvanian) | Texas | Pennsylvanian | Pecos | 1 | 1 | 915 | 0 | 40,086 | Aug 2026 |
| Corrigan, N. (Pennsylvanian) | Texas | Pennsylvanian | Terry | 1 | 1 | 892 | 0 | 131,450 | Aug 2026 |
| Penasco Draw; Upper Penn. East | New Mexico | Upper Penn. East | Eddy | 1 | 1 | 873 | 25,284 | 105,057 | Aug 2026 |
| Riley, North (Penn) | Texas | Penn | Gaines | 1 | 1 | 845 | 0 | 22,135 | Aug 2026 |
| Sadler, West (Pennsylvanian) | Texas | Pennsylvanian | Grayson | 2 | 2 | 833 | 0 | 49,502 | Aug 2026 |
| Paladin (Penn.) | Texas | Penn | Winkler | 1 | 1 | 832 | 5,959 | 131,001 | Aug 2026 |
| Parker, West (Penn.) | Texas | Penn | Andrews | 1 | 1 | 825 | 0 | 148,708 | Jun 2026 |
| Arledge (Penn Sand) | Texas | Penn Sand | Coke +1 | 3 | 2 | 815 | 15,671 | 169,644 | Aug 2026 |
| Cerca; Upper Penn | New Mexico | Upper Penn | Lea | 1 | 1 | 809 | 0 | 563,694 | Apr 2026 |
| Double Mountain (Penn.) | Texas | Penn | Stonewall | 5 | 1 | 799 | 0 | 73,481 | Aug 2026 |
| Thornburg (Penn Reef) | Texas | Penn Reef | Nolan | 1 | 1 | 789 | 0 | 46,663 | Aug 2026 |
| Sealy Smith, E. (Penn.) | Texas | Penn | Winkler | 1 | 1 | 776 | 6,231 | 40,927 | Aug 2026 |
| Gentry (Pennsylvanian) | Texas | Pennsylvanian | Throckmorton | 1 | 1 | 702 | 0 | 38,061 | Jul 2026 |
| Lea (Penn.) | Texas | Penn | Crane | 1 | 1 | 699 | 0 | 99,708 | Aug 2026 |
| WC-041 S063431J; Penn (Gas) | New Mexico | Penn | Roosevelt | 1 | 1 | 668 | 3,181 | 4,374 | Aug 2026 |
| Burnett Ranch (Penn. Lime) | Texas | Penn Lime | King | 1 | 1 | 641 | 0 | 282,505 | Aug 2026 |
| Walnut Canyon; Upper Penn (Gas) | New Mexico | Upper Penn | Eddy | 6 | 2 | 636 | 10,692 | 29,429 | Sep 2026 |
| Sherman (Pennsylvanian 8100) | Texas | Pennsylvanian 8100 | Grayson | 3 | 3 | 596 | 6,479 | 83,867 | Aug 2026 |
| Hutchinson, NW. (Penn Lime) | Texas | Penn Lime | Hutchinson | 1 | 1 | 586 | 5,116 | 13,348 | Aug 2026 |
| Bagley; Upper Penn (Gas) | New Mexico | Upper Penn | Lea | 1 | 1 | 545 | 34,146 | 41,766 | Aug 2026 |
| Acu, E. (Penn Sand) | Texas | Penn Sand | Terrell | 10 | 1 | 517 | 100,262 | 166,046 | Aug 2026 |
| Kennedy Farms; Upper Penn (Gas) | New Mexico | Upper Penn | Eddy | 6 | 6 | 478 | 82,352 | 95,549 | Sep 2026 |
| Cottonwood Draw; Upper Penn (G) | New Mexico | Upper Penn | Eddy | 4 | 2 | 474 | 33,608 | 11,700 | Aug 2026 |
| White City; Penn (Gas) | New Mexico | Penn | Eddy | 34 | 5 | 469 | 362,217 | 140,013 | Sep 2026 |
| Powell (Penn) | Texas | Penn | Glasscock | 1 | 1 | 461 | 35,508 | 241,126 | Aug 2026 |
| Rodney (Penn) | Texas | Penn | Andrews | 1 | 1 | 461 | 0 | 37,064 | Aug 2026 |
| Red River (Penn Detrital) | Texas | Penn Detrital | Cooke | 1 | 1 | 439 | 0 | 10,587 | Aug 2026 |
| Burnett Ranch (Penn. Sand) | Texas | Penn Sand | King | 2 | 1 | 395 | 103 | 352,826 | Mar 2026 |
| Cottonwood Ranch; Pennsylvanian (G) | New Mexico | Pennsylvanian | Chaves | 4 | 1 | 384 | 10,349 | 99,636 | Aug 2026 |
| Jordan (Pennsylvanian) | Texas | Pennsylvanian | Crane +1 | 1 | 1 | 383 | 389 | 38,331 | Aug 2026 |
| Pecos Slope; Pennsylvanian Oil | New Mexico | Pennsylvanian Oil | Chaves | 2 | 1 | 380 | 7,201 | 400,537 | Aug 2026 |
| Rojo Caballos (Penn.) | Texas | Penn | Pecos | 2 | 1 | 360 | 66,111 | 41,063 | Aug 2026 |
| Angel Draw; Upper Penn. (Gas) | New Mexico | Upper Penn. | Eddy | 1 | 1 | 312 | 8,515 | 42,901 | Aug 2026 |
| Lovington; Upper Penn | New Mexico | Upper Penn | Lea | 1 | 1 | 304 | 4,189 | 14,535 | Aug 2026 |
| McFarland (Pennsylvanian) | Texas | Pennsylvanian | Andrews | 1 | 1 | 302 | 0 | 490,061 | Aug 2026 |
| Vada; Upper Penn | New Mexico | Upper Penn | Lea +1 | 4 | 3 | 284 | 16,477 | 11.3M | Aug 2026 |
| Blue Danube, E. (Penn. Detrital) | Texas | Penn Detrital | Upton | 1 | 1 | 239 | 16,143 | 16,980 | Aug 2026 |
| Wildcat S193102A; Upper Penn (Gas) | New Mexico | Upper Penn | Eddy | 1 | 1 | 220 | 281 | 2,615 | Sep 2026 |
| Empire; Penn (Gas) | New Mexico | Penn | Eddy | 15 | 6 | 219 | 164,164 | 507,193 | Aug 2026 |
| Penn (Ranger) | Texas | Penn | Eastland | 10 | 3 | 207 | 3,582 | 57,927 | Jun 2026 |
| Bowers (Penn.) | Texas | Penn | Montague | 1 | 1 | 188 | 0 | 16,544 | Aug 2026 |
| Little Aaa Tank; Upper Penn | New Mexico | Upper Penn | Eddy | 2 | 1 | 174 | 119,298 | 40,300 | Aug 2026 |
| Buffalo; Penn (Gas) | New Mexico | Penn | Lea | 5 | 5 | 172 | 15,157 | 287,082 | Aug 2026 |
| Indian Basin; Upper Penn (Assoc) | New Mexico | Upper Penn | Eddy | 31 | 3 | 167 | 614,936 | 34.8M | Aug 2026 |
| Indian Basin; Upper Penn (Pro Gas) | New Mexico | Upper Penn | Eddy | 51 | 3 | 167 | 465,610 | 8.5M | Aug 2026 |
| Worsham-Bayer (Penn.) | Texas | Penn | Reeves | 3 | 2 | 148 | 92,418 | 102,971 | Aug 2026 |
| Bagley; Penn | New Mexico | Penn | Lea | 1 | 1 | 145 | 21,393 | 589,751 | Sep 2026 |
| Oceanic, N.E. (Penn) | Texas | Penn | Borden | 1 | 1 | 139 | 0 | 126,257 | Jan 2026 |
OIL IN BBL · GAS IN MCF · TWELVE MONTHS THROUGH THE STATE'S REPORTED-THROUGH MONTH
About this data
Each state regulator's field and pool registry, with the completions and the reported volumes of each. The formation is read from the name the regulator gave it and matched to one registry shared by every state; a name that gives no single formation has none. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/fields, documented in the API reference.