Cook Mountain fields in Texas
A field is the Railroad Commission's name for a reservoir in one area. Every lease is assigned to one, and production is reported by lease against it.
District
ShowingNamed for the Cook Mountain
Wells completed in the Cook Mountain → · The Cook Mountain formation →
9 ON FILE · PAGE 1 OF 1
| Field | Formation | County | Leases | Active completions | Operators | Oil, 12 mo | Gas, 12 mo | Lifetime oil | Last reported |
|---|---|---|---|---|---|---|---|---|---|
| Devers, SW (Cook Mountain) | Cook Mountain | Liberty | 5 | 1 | 1 | 7,861 | 221,333 | 889,268 | Mar 2026 |
| Dinero, W. (Cook Mountain) | Cook Mountain | Live Oak | 2 | 2 | 2 | 378 | 84,950 | 2,951 | Apr 2026 |
| Katy (Cook Mountain 2) | Cook Mountain 2 | Waller +1 | 6 | 3 | 2 | 290 | 124,255 | 17,040 | Apr 2026 |
| Raywood, W. (Cook Mountain) | Cook Mountain | Liberty | 6 | 1 | 1 | 106 | 73,592 | 217,775 | Apr 2026 |
| Ammann, North (Cook Mountain) | Cook Mountain | Wharton | 1 | 1 | 1 | 95 | 41,637 | 35,409 | Apr 2026 |
| McFarlan (Cook Mountain) | Cook Mountain | Wharton | 5 | 3 | 1 | 4 | 21,948 | 160,254 | Apr 2026 |
| Ammann, West (Cook Mountain) | Cook Mountain | Wharton | 2 | 1 | 1 | 0 | 9,931 | 33,275 | Apr 2026 |
| Ammann, South (Cook Mountain) | Cook Mountain | Wharton | 1 | 1 | 1 | 0 | 2,381 | 20,692 | Apr 2026 |
| Alwan (Cook Mountain) | Cook Mountain | Wharton | 4 | 1 | 1 | 0 | 0 | 54,364 | Jun 2021 |
OIL IN BBL · GAS IN MCF · TWELVE MONTHS THROUGH THE STATE'S REPORTED-THROUGH MONTH
About this data
Railroad Commission of Texas'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?state=tx, documented in the API reference.