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 5 OF 6
| Field or pool | State | Formation | County | Active completions | Operators | Oil, 12 mo | Gas, 12 mo | Lifetime oil | Last reported |
|---|---|---|---|---|---|---|---|---|---|
| WC Eightmile Draw; Penn. (G) | New Mexico | Penn. | Chaves | 1 | 1 | 0 | 13,057 | 230 | Aug 2026 |
| G-M (Penn.) | Texas | Penn | Ward | 1 | 1 | 0 | 12,532 | 249 | Aug 2026 |
| Sherman, East (Penn. 7100) | Texas | Penn 7100 | Grayson | 1 | 1 | 0 | 12,278 | 33,101 | Aug 2026 |
| Parkway; Upper Penn | New Mexico | Upper Penn | Eddy | 1 | 1 | 0 | 11,051 | 26,372 | Sep 2026 |
| Bosque; Penn., N (G) | New Mexico | Penn. | Chaves | 2 | 2 | 0 | 10,970 | 34 | Aug 2026 |
| Bosque; Pennsylvanian (G) | New Mexico | Pennsylvanian | Chaves | 1 | 1 | 0 | 10,198 | 583 | Aug 2026 |
| Palma Mesa; Penn, South (Gas) | New Mexico | Penn | Chaves | 4 | 2 | 0 | 7,073 | 492 | Jun 2026 |
| Lake Worth (Penn. 5590) | Texas | Penn 5590 | Tarrant | 1 | 1 | 0 | 7,055 | 0 | Aug 2026 |
| Tule; Penn (Gas) | New Mexico | Penn | Roosevelt | 7 | 1 | 0 | 6,669 | 17,488 | Aug 2026 |
| Wilson; Penn, South (Gas) | New Mexico | Penn | Lea | 1 | 1 | 0 | 6,471 | 21,552 | Aug 2026 |
| Block 72 (Penn.) | Texas | Penn | Reeves | 1 | 1 | 0 | 5,686 | 7 | Jul 2026 |
| Sherman (Pennsylvanian) | Texas | Pennsylvanian | Grayson | 1 | 1 | 0 | 5,686 | 3,193 | Aug 2026 |
| Wildcat Foor Ranch; Penn | New Mexico | Penn | Chaves | 1 | 1 | 0 | 5,207 | 635 | Aug 2026 |
| Lake Arthur; Penn (Gas) | New Mexico | Penn | Chaves +1 | 2 | 2 | 0 | 4,866 | 4,555 | Sep 2026 |
| Monahans, NE. (Penn Detrital,up) | Texas | Penn Detrital UP | Winkler | 2 | 1 | 0 | 4,819 | 287,374 | Jun 2026 |
| Jack Mann (Penn) | Texas | Penn | Edwards | 1 | 1 | 0 | 4,441 | 865 | Aug 2026 |
| Monahans, E. (Penn., Lo.) | Texas | Penn LO | Winkler | 1 | 1 | 0 | 4,347 | 203,608 | Aug 2026 |
| McKittrick Canyon; Upper Penn (Gas) | New Mexico | Upper Penn | Eddy | 1 | 1 | 0 | 2,764 | 1,851 | Aug 2026 |
| Acme; Penn, South (Gas) | New Mexico | Penn | Chaves | 1 | 1 | 0 | 2,538 | 0 | Aug 2026 |
| Halley (Penn. 8530) | Texas | Penn 8530 | Winkler | 1 | 1 | 0 | 2,498 | 0 | Aug 2026 |
| Eddy Undesignated; Penn (Gas) | New Mexico | Penn | Eddy | 1 | 1 | 0 | 2,362 | 1,544 | Sep 2026 |
| Leslie Spring; Penn (Gas) | New Mexico | Penn | Chaves | 2 | 2 | 0 | 2,329 | 104 | Aug 2026 |
| Dark Canyon; Upper Penn (Gas) | New Mexico | Upper Penn | Eddy | 1 | 1 | 0 | 2,274 | 0 | Aug 2026 |
| Loving; Upper Penn (Gas) | New Mexico | Upper Penn | Eddy | 1 | 1 | 0 | 1,906 | 345 | Sep 2026 |
| Duffield; Penn Gas | New Mexico | Penn Gas | Eddy | 2 | 1 | 0 | 1,384 | 17,558 | May 2026 |
| Five Mile Draw; Penn (G) | New Mexico | Penn | Chaves | 1 | 1 | 0 | 1,257 | 0 | Aug 2026 |
| Rashap (Penn) | Texas | Penn | Terrell | 2 | 1 | 0 | 723 | 94 | Feb 2026 |
| Milner Lake; Pennsylvanian (G) | New Mexico | Pennsylvanian | Chaves | 1 | 1 | 0 | 577 | 0 | Aug 2026 |
| Bitter Lakes; Penn. (G) | New Mexico | Penn. | Chaves | 1 | 1 | 0 | 515 | 0 | Aug 2026 |
| Wildcat S232617D; Upr Penn SH (Gas) | New Mexico | Upr Penn SH | Eddy | 1 | 1 | 0 | 482 | 0 | May 2026 |
| Lost Lake; Penn (G) | New Mexico | Penn | Chaves | 1 | 1 | 0 | 435 | 0 | Aug 2026 |
| Grayburg; Upper Penn | New Mexico | Upper Penn | Eddy | 1 | 1 | 0 | 347 | 29,460 | Jul 2026 |
| Palo Duro Creek (Penn. Lime) | Texas | Penn Lime | Sherman | 1 | 1 | 0 | 124 | 91 | Aug 2026 |
| WC-015 S233108H; Upper Penn (Gas) | New Mexico | Upper Penn | Eddy | 2 | 1 | 0 | 82 | 103,963 | Aug 2026 |
| Sheep Draw; Upper Penn. Gas | New Mexico | Upper Penn. Gas | Eddy | 1 | 1 | 0 | 57 | 988 | Mar 2026 |
| Ross Ranch; Upper Penn.gas | New Mexico | Upper Penn.gas | Eddy | 1 | 1 | 0 | 29 | 181 | Aug 2026 |
| Cass; Penn | New Mexico | Penn | Lea | 1 | 1 | 0 | 28 | 207,902 | Aug 2026 |
| Red Spring; Pennsylvanian, SW | New Mexico | Pennsylvanian | Chaves | 1 | 1 | 0 | 11 | 0 | Mar 2026 |
| SWD; Penn | New Mexico | Penn | Lea +3 | 8 | 7 | 0 | 0 | 75 | Nov 2000 |
| SWD; Upper Penn | New Mexico | Upper Penn | Eddy +1 | 7 | 4 | 0 | 0 | 595 | Nov 2002 |
| Parks, N. (Penn.) | Texas | Penn | Midland | 3 | 1 | 0 | 0 | 459,980 | Feb 2019 |
| Peterson; Penn, North | New Mexico | Penn | Roosevelt | 3 | 1 | 0 | 0 | 499,760 | May 2024 |
| Spraberry (Penn.) | Texas | Penn | Martin +1 | 3 | 2 | 0 | 0 | 39,009 | May 2019 |
| Allison; Upper Penn | New Mexico | Upper Penn | Roosevelt +1 | 2 | 1 | 0 | 0 | 10.7M | Apr 2020 |
| Caprock; Upper Penn, East | New Mexico | Upper Penn | Lea | 2 | 1 | 0 | 0 | 411,702 | Jun 2024 |
| J N T (Penn) | Texas | Penn | Pecos | 2 | 1 | 0 | 0 | 132,952 | Aug 2025 |
| Sandusky (Pennsylvanian) | Texas | Pennsylvanian | Grayson | 2 | 2 | 0 | 0 | 64,507 | Sep 2024 |
| Wildcat; Penn | New Mexico | Penn | Quay +1 | 2 | 1 | 0 | 0 | 0 | — |
| Anderson; Penn (Gas) | New Mexico | Penn | Eddy | 1 | 1 | 0 | 0 | 300,272 | Dec 2015 |
| Benedum (Pennsylvanian) | Texas | Pennsylvanian | Reagan +1 | 1 | 1 | 0 | 0 | 5,575 | Dec 2024 |
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.