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.
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ShowingNamed for the Pennsylvanian
Wells completed in the Pennsylvanian → · The Pennsylvanian formation →
234 ON FILE · PAGE 1 OF 5
| Field or pool | State | Formation | County | Active completions | Operators | Oil, 12 mo | Gas, 12 mo | Lifetime oil | Last reported |
|---|---|---|---|---|---|---|---|---|---|
| WC-025 G-09 S173615C; Upper Penn | New Mexico | Upper Penn | Lea | 33 | 2 | 2.1M | 4.5M | 5.8M | Sep 2026 |
| June Ann (Pennsylvanian) | Texas | Pennsylvanian | Tom Green +2 | 31 | 4 | 982,591 | 4.1M | 3.4M | Apr 2026 |
| Wagon Wheel (Penn) | Texas | Penn | Ward | 89 | 1 | 458,040 | 1.6M | 15.7M | Apr 2026 |
| Block 31, NW. (Penn Upper) | Texas | Penn Upper | Crane | 20 | 4 | 211,970 | 260,340 | 1.6M | Apr 2026 |
| Sanmal; Penn | New Mexico | Penn | Lea | 11 | 3 | 97,090 | 162,950 | 1.4M | Aug 2026 |
| Lovington; Upper Penn, Northeast | New Mexico | Upper Penn | Lea | 16 | 7 | 93,157 | 141,647 | 20.0M | Sep 2026 |
| Estes Block 34 (Penn.) | Texas | Penn | Ward | 23 | 4 | 75,895 | 513,029 | 2.0M | Apr 2026 |
| Midway; Upper Pennsylvanian, West | New Mexico | Upper Pennsylvanian | Lea | 3 | 1 | 53,801 | 99,701 | 610,436 | Sep 2026 |
| F. A. Hogg (Penn Detrital) | Texas | Penn Detrital | Winkler +1 | 26 | 2 | 53,209 | 320,502 | 3.3M | Apr 2026 |
| Block 31 (Penn. 7620) | Texas | Penn 7620 | Crane | 8 | 3 | 39,956 | 329,134 | 995,666 | Apr 2026 |
| Lovington; Upper Penn, West | New Mexico | Upper Penn | Lea | 3 | 2 | 38,757 | 70,578 | 1.2M | Aug 2026 |
| Deep Rock (Penn.) | Texas | Penn | Andrews | 22 | 4 | 35,437 | 30,828 | 2.8M | Apr 2026 |
| Conger (Penn) | Texas | Penn | Sterling +1 | 429 | 8 | 30,355 | 3.0M | 6.3M | Apr 2026 |
| Triple-N (Penn., Upper) | Texas | Penn Upper | Andrews +1 | 10 | 5 | 29,190 | 1,454 | 1.5M | Apr 2026 |
| Sadler (Penn.) | Texas | Penn | Grayson | 11 | 1 | 28,550 | 22,276 | 1.8M | Apr 2026 |
| University Block 9 (Penn.) | Texas | Penn | Andrews | 5 | 2 | 26,865 | 54,246 | 5.0M | Apr 2026 |
| Salt Creek, South (Penn., Lower) | Texas | Penn Lower | Kent | 7 | 2 | 25,454 | 0 | 583,057 | Apr 2026 |
| Mescalero; Upper Penn, North | New Mexico | Upper Penn | Lea | 8 | 3 | 22,620 | 88,965 | 1.2M | Sep 2026 |
| Ert (Pennsylvanian) | Texas | Pennsylvanian | Potter | 13 | 1 | 19,270 | 0 | 2.3M | Apr 2026 |
| Wickett (Penn.) | Texas | Penn | Ward +1 | 10 | 2 | 14,373 | 315,583 | 795,798 | Apr 2026 |
| WC-015 G-09 S213101P; Upper Penn | New Mexico | Upper Penn | Lea | 1 | 1 | 13,796 | 29,774 | 13,796 | Aug 2026 |
| Sherman (Pennsylvanian 8900) | Texas | Pennsylvanian 8900 | Grayson | 6 | 1 | 13,657 | 425,734 | 623,566 | Apr 2026 |
| Reeves; Penn | New Mexico | Penn | Lea | 2 | 2 | 11,540 | 13,057 | 802,397 | Sep 2026 |
| Vacuum; Upper Penn | New Mexico | Upper Penn | Lea | 10 | 5 | 10,705 | 19,418 | 6.7M | Sep 2026 |
| Mungerville (Pennsylvanian) | Texas | Pennsylvanian | Dawson | 3 | 1 | 10,694 | 0 | 1.5M | Apr 2026 |
| Bar-U; Penn | New Mexico | Penn | Lea +1 | 2 | 1 | 10,016 | 22,976 | 989,319 | Aug 2026 |
| Ranger Lake; Upper Penn | New Mexico | Upper Penn | Lea | 6 | 2 | 8,970 | 31 | 1.2M | Sep 2026 |
| Vacuum; Middle Penn | New Mexico | Middle Penn | Lea | 5 | 2 | 8,463 | 6,187 | 999,901 | Aug 2026 |
| Cuerno Largo; Upper Pennsylvanian | New Mexico | Upper Pennsylvanian | Lea | 5 | 3 | 8,441 | 22,130 | 1.4M | Sep 2026 |
| Fasken (Penn.) | Texas | Penn | Andrews +1 | 5 | 2 | 8,235 | 42,138 | 853,480 | Apr 2026 |
| Wildcat G-04 S053336M; Penn | New Mexico | Penn | Roosevelt | 2 | 1 | 8,038 | 23,793 | 169,850 | Aug 2026 |
| I. A. B., NE. (Penn. 5150) | Texas | Penn 5150 | Coke | 44 | 1 | 7,947 | 20 | 1.3M | Feb 2026 |
| Bakke (Penn.) | Texas | Penn | Andrews | 1 | 1 | 7,848 | 4,894 | 375,184 | Apr 2026 |
| Wickett, North (Penn.) | Texas | Penn | Ward | 4 | 1 | 7,634 | 60,197 | 628,772 | Mar 2026 |
| Walker (Penn Detrital) | Texas | Penn Detrital | Pecos | 1 | 1 | 7,562 | 0 | 275,490 | Apr 2026 |
| Gordonville, S. (Penn.) | Texas | Penn | Grayson | 3 | 2 | 7,549 | 19,006 | 986,710 | Apr 2026 |
| Hollins (Penn. Sand) | Texas | Penn Sand | Nolan | 11 | 1 | 7,202 | 7,944 | 311,333 | Mar 2026 |
| Milnesand; Penn, West | New Mexico | Penn | Chaves +1 | 1 | 1 | 7,031 | 5,795 | 667,856 | Aug 2026 |
| Tobac; Upper Penn | New Mexico | Upper Penn | Chaves | 4 | 2 | 6,969 | 5,035 | 5.3M | Aug 2026 |
| Ackerly, E. (Penn.) | Texas | Penn | Dawson +2 | 2 | 2 | 6,739 | 12 | 1.1M | Apr 2026 |
| Dove (Penn. Basal) | Texas | Penn Basal | Grayson | 5 | 1 | 6,572 | 0 | 234,395 | Apr 2026 |
| Jar (Pennsylvanian) | Texas | Pennsylvanian | Upton +1 | 1 | 1 | 6,449 | 31,463 | 252,160 | Apr 2026 |
| Peterson; Penn (Assoc) | New Mexico | Penn | Roosevelt | 2 | 1 | 6,319 | 31,095 | 996,058 | Sep 2026 |
| Block 42 (Penn) | Texas | Penn | Upton | 1 | 1 | 4,652 | 98,060 | 453,329 | Apr 2026 |
| Vacuum; Upper Penn, Northwest | New Mexico | Upper Penn | Lea | 1 | 1 | 4,630 | 11,490 | 330,011 | Aug 2026 |
| Tap (Pennsylvanian) | Texas | Pennsylvanian | King | 1 | 1 | 4,440 | 0 | 90,885 | Apr 2026 |
| Keystone, South (Penn.) | Texas | Penn | Winkler | 1 | 1 | 4,125 | 12,894 | 268,372 | Apr 2026 |
| Goldsmith (Pennsylvanian) | Texas | Pennsylvanian | Ector +1 | 3 | 1 | 4,070 | 2,159 | 186,230 | Apr 2026 |
| Clairemont (Penn., Lower) | Texas | Penn Lower | Kent | 6 | 1 | 3,967 | 0 | 807,888 | Mar 2026 |
| Baum; Upper Penn | New Mexico | Upper Penn | Lea | 8 | 5 | 3,931 | 4,823 | 10.9M | Sep 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.