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 2 OF 6
| Field or pool | State | Formation | County | Active completions | Operators | Oil, 12 mo | Gas, 12 mo | Lifetime oil | Last reported |
|---|---|---|---|---|---|---|---|---|---|
| Goldsmith (Pennsylvanian) | Texas | Pennsylvanian | Ector +1 | 4 | 2 | 4,070 | 2,159 | 186,230 | Apr 2026 |
| Clairemont (Penn., Lower) | Texas | Penn Lower | Kent | 8 | 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 |
| Vincent, N. (Pennsylvanian Reef) | Texas | Pennsylvanian Reef | Howard | 3 | 2 | 3,884 | 0 | 609,559 | Apr 2026 |
| Sherman (Pennsylvanian Lower) | Texas | Pennsylvanian Lower | Grayson | 4 | 4 | 3,805 | 24,191 | 123,516 | Apr 2026 |
| Tres Papalotes; Upper Penn | New Mexico | Upper Penn | Lea | 3 | 2 | 3,602 | 36 | 2.0M | Sep 2026 |
| Sanmal; Penn, North | New Mexico | Penn | Lea | 1 | 1 | 3,409 | 8,895 | 169,655 | Sep 2026 |
| Gill (Penn. Reef 6900) | Texas | Penn Reef 6900 | Scurry | 2 | 2 | 3,359 | 0 | 1.7M | Apr 2026 |
| Goldsmith, E. (Pennsylvanian) | Texas | Pennsylvanian | Ector | 1 | 1 | 3,059 | 2,308 | 129,106 | Apr 2026 |
| Teas; Penn (Gas) | New Mexico | Penn | Lea | 4 | 2 | 2,955 | 89,664 | 359,957 | Sep 2026 |
| Southmayd (Pennsylvanian 6600) | Texas | Pennsylvanian 6600 | Grayson | 2 | 2 | 2,859 | 8,449 | 36,552 | Apr 2026 |
| Miller Block B-29 (Penn.) | Texas | Penn | Ward | 12 | 6 | 2,736 | 93,320 | 88,509 | Apr 2026 |
| Harper, W. (Pennsylvanian) | Texas | Pennsylvanian | Ector | 2 | 2 | 2,691 | 0 | 218,068 | Apr 2026 |
| Sandusky, West (Penn.) | Texas | Penn | Grayson | 1 | 1 | 2,628 | 0 | 161,713 | Apr 2026 |
| Fasken (Penn. 8800) | Texas | Penn 8800 | Andrews | 1 | 1 | 2,584 | 1,301 | 48,746 | Apr 2026 |
| Nolley (Penn) | Texas | Penn | Andrews | 1 | 1 | 2,574 | 0 | 130,591 | Apr 2026 |
| Travis; Upper Penn | New Mexico | Upper Penn | Eddy | 13 | 2 | 2,509 | 20,491 | 2.2M | Aug 2026 |
| Knott, West (Penn Reef) | Texas | Penn Reef | Howard | 1 | 1 | 2,412 | 3,943 | 298,062 | Apr 2026 |
| Lucy, North (Penn) | Texas | Penn | Borden +1 | 10 | 1 | 2,374 | 0 | 336,664 | Apr 2026 |
| Texel (Pennsylvanian) | Texas | Pennsylvanian | Upton | 4 | 1 | 2,360 | 63,164 | 135,900 | Apr 2026 |
| Parks, S. (Pennsylvanian) | Texas | Pennsylvanian | Midland | 3 | 3 | 2,251 | 9,219 | 588,629 | Apr 2026 |
| Cowden (Penn Detrital) | Texas | Penn Detrital | Ector | 4 | 1 | 2,060 | 0 | 291,338 | Apr 2026 |
| Lea (Penn. Detrital) | Texas | Penn Detrital | Crane | 2 | 1 | 2,040 | 300 | 182,830 | Apr 2026 |
| Hobo (Pennsylvanian) | Texas | Pennsylvanian | Borden | 3 | 2 | 2,011 | 17 | 953,464 | Apr 2026 |
| Tatum; Upper Penn | New Mexico | Upper Penn | Lea | 2 | 1 | 2,006 | 2,666 | 273,096 | Sep 2026 |
| Jayton (Penn., Lower) | Texas | Penn Lower | Kent | 2 | 1 | 1,994 | 0 | 175,233 | Apr 2026 |
| Nonombre; Upper Penn, North | New Mexico | Upper Penn | Lea | 1 | 1 | 1,993 | 0 | 84,723 | Aug 2026 |
| Boomerang (Pennsylvanian Reef) | Texas | Pennsylvanian Reef | Kent | 3 | 1 | 1,976 | 0 | 294,081 | Mar 2026 |
| Ratliff (Penn.) | Texas | Penn | Ector | 2 | 1 | 1,896 | 5,396 | 113,121 | Apr 2026 |
| U-Lazy -S- (Pennsylvanian) | Texas | Pennsylvanian | Borden | 1 | 1 | 1,886 | 0 | 155,520 | Apr 2026 |
| Robertson (Penn.) | Texas | Penn | Gaines | 1 | 1 | 1,845 | 479 | 191,574 | Apr 2026 |
| Peterson; Penn, South (Assoc) | New Mexico | Penn | Roosevelt | 6 | 4 | 1,828 | 12,036 | 580,540 | Aug 2026 |
| Hodne's Hill (Penn) | Texas | Penn | Nolan | 2 | 2 | 1,766 | 0 | 294,159 | Apr 2026 |
| Sand Dunes; Upper Penn | New Mexico | Upper Penn | Eddy | 1 | 1 | 1,735 | 9,953 | 90,740 | Aug 2026 |
| H. S. A. (Pennsylvanian) | Texas | Pennsylvanian | Ward | 9 | 3 | 1,673 | 159,866 | 80,815 | Apr 2026 |
| Vincent, West (Penn.) | Texas | Penn | Howard | 2 | 2 | 1,660 | 0 | 437,315 | Apr 2026 |
| Blackdog (Penn) | Texas | Penn | Andrews | 1 | 1 | 1,619 | 0 | 136,688 | Apr 2026 |
| Hightower; Upper Penn, East | New Mexico | Upper Penn | Lea | 2 | 2 | 1,606 | 4,208 | 1.1M | Aug 2026 |
| Oceanic (Pennsylvanian) | Texas | Pennsylvanian | Howard +1 | 7 | 3 | 1,533 | 0 | 1.8M | Mar 2026 |
| McDonald; Upper Penn | New Mexico | Upper Penn | Lea | 1 | 1 | 1,391 | 0 | 177,769 | Aug 2026 |
| Cline Farms (Penn) | Texas | Penn | Dawson | 2 | 2 | 1,367 | 0 | 155,756 | Apr 2026 |
| Hutch (Penn. 5650) | Texas | Penn 5650 | Hutchinson | 1 | 1 | 1,276 | 0 | 372,913 | Apr 2026 |
| Thornburg (Penn Reef) | Texas | Penn Reef | Nolan | 1 | 1 | 1,262 | 0 | 46,315 | Apr 2026 |
| Parker, West (Penn.) | Texas | Penn | Andrews | 1 | 1 | 1,250 | 0 | 148,654 | Apr 2026 |
| Sealy Smith (Penn.) | Texas | Penn | Winkler | 2 | 1 | 1,217 | 1,297 | 107,134 | Apr 2026 |
| Williams; Penn | New Mexico | Penn | Lea | 2 | 2 | 1,155 | 25,914 | 194,093 | Aug 2026 |
| Ward, South (Penn. Detri., Up.) | Texas | Penn Detri UP | Ward | 4 | 3 | 1,137 | 11,696 | 125,238 | Apr 2026 |
| Flying M; Penn | New Mexico | Penn | Lea | 1 | 1 | 1,099 | 3,964 | 150,599 | Aug 2026 |
| Acu, E. (Penn Sand) | Texas | Penn Sand | Terrell | 10 | 1 | 1,090 | 108,018 | 165,695 | Apr 2026 |
| Lazy J; Upper Penn | New Mexico | Upper Penn | Lea | 9 | 5 | 1,074 | 19,279 | 3.7M | Aug 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.