POOLS · NEW MEXICO · POOL 14980
Cuerno Largo; Upper Pennsylvanian
Oil · Southeast New Mexico · Lea County · Upper Pennsylvanian in every state →
- 5
- active completions of 12 · 3 operators today
- 8,441
- bbl oil, 12 months through Aug 2026 · +3%
- 22,130
- Mcf gas, same 12 months · +17%
- 1.4M
- bbl oil since Dec 1992 · 3.6M Mcf gas
Every well completed in it, searchable → · Median top perforation 9,214 ft · OCD spacing: 40 acres oil, 40 acres gas
Reported production by month
Last 12 months 8,441 · prior 12 8,174(+3%)
Cuerno Largo; Upper Pennsylvanian: Oil by month.
Operators
| Operator | Active | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|
| Extex Operating Company | 3 | 4,367 | 15,873 |
| Armstrong Energy Corp | 1 | 4,074 | 6,257 |
| Acacia Operating Company, LLC | 1 | 0 | 0 |
| Chesapeake Operating, Inc. | 0 | 0 | 0 |
| Cimarex Energy Co. of Colorado | 0 | 0 | 0 |
| COG Operating LLC | 0 | 0 | 0 |
| EOG Resources Inc | 0 | 0 | 0 |
Counties
- Lea County5 active of 12
Largest completions
OIL, THEN GAS · 12 MONTHS THROUGH AUG 2026
| Well | Operator | County | Completed | Top perf, ft | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|---|---|---|
| Shell Cri State #001Y | Armstrong Energy Corp | Lea | Apr 1, 1996 | 8,954 | 4,074 | 6,257 |
| Diamondback State #002 | Extex Operating Company | Lea | May 2, 2002 | 9,214 | 2,193 | 8,019 |
| Sidewinder State #001 | Extex Operating Company | Lea | — | 9,205 | 2,174 | 7,854 |
Latest completions
BY COMPLETION DATE
| Well | Operator | County | Completed | Top perf, ft | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|---|---|---|
| Shell 26 State #003 | EOG Resources Inc | Lea | Jul 24, 2010 | 9,579 | 0 | 0 |
| Tenneco 25 State #002 | COG Operating LLC | Lea | Sep 29, 2007 | 4,394 | 0 | 0 |
| Raitt Bid State #001 | EOG Resources Inc | Lea | Apr 17, 2007 | 9,970 | 0 | 0 |
| Diamondback State #002 | Extex Operating Company | Lea | May 2, 2002 | 9,214 | 2,193 | 8,019 |
| Largo 36 State #001 | Chesapeake Operating, Inc. | Lea | Mar 21, 2002 | 9,525 | 0 | 0 |
| Shell Cri State #001Y | Armstrong Energy Corp | Lea | Apr 1, 1996 | 8,954 | 4,074 | 6,257 |
About this data
New Mexico Oil Conservation Division's pool registry, its well completions, and the volumes operators filed against the pool on form C-115, through Aug 2026. The formation, Upper Pennsylvanian, is read from the pool's name. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/fields/nm/14980, documented in the API reference.