FIELDS · WYOMING · FIELD f1200b52bec
Elk Basin
Field · Park County
- 147
- active completions of 704 · 3 operators today
- 664,947
- bbl oil, 12 months through Aug 2026 · +0%
- 1.9M
- Mcf gas, same 12 months · +8%
- 93.1M
- bbl oil since the record begins, Jan 1978 · 184M Mcf gas
Every well completed in it, searchable → · Median top perforation 2,386 ft
Reported production by month
12 months through Aug 2026 664,947 · prior 12 664,465(+0%)
Elk Basin: Oil by month.
Operators
| Operator | Active | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|
| Contango Resources LLC | 144 | 664,245 | 1.9M |
| Bunkirt J J Oil & Gas Corporation | 2 | 377 | 0 |
| Bareto Energy LLC | 1 | 325 | 0 |
| BP America Production Company | 0 | 0 | 0 |
| Wbi Energy Transmission Inc | 0 | 0 | 0 |
| Howell Petroleum Corp | 0 | 0 | 0 |
| Anadarko E&P Onshore LLC | 0 | 0 | 0 |
| Mule Creek Oil Company | 0 | — | — |
| Greybull Refining Co | 0 | — | — |
| Union Oil Co of California | 0 | — | — |
| Midwest Oil Corporation | 0 | — | — |
| Mackinnie Oil & Drilling | 0 | — | — |
| Thompson-Elk Basin Oil & Gas Co | 0 | — | — |
| Henderson Petroleum Corp | 0 | — | — |
| Phillips Petroleum Company | 0 | — | — |
Counties
- Park County147 active of 704
Largest completions
OIL, THEN GAS · 12 MONTHS THROUGH AUG 2026
Latest completions
BY COMPLETION DATE
| Well | Operator | County | Completed | Top perf, ft | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|---|---|---|
| Elk Basin Unit 389 | Contango Resources LLC | Park | Oct 20, 2011 | 5,734 | 3,432 | 25,368 |
| Elk Basin Unit 386 | Contango Resources LLC | Park | Sep 28, 2011 | 4,386 | 4,870 | 30 |
| Encore USA 25-19 | Contango Resources LLC | Park | Dec 13, 2007 | 1,434 | 624 | 0 |
| Encore USA 24-5 | Contango Resources LLC | Park | Dec 11, 2007 | 2,428 | 0 | 0 |
| Encore USA 25-18 | Contango Resources LLC | Park | Dec 11, 2007 | — | 305 | 4,779 |
| Encore USA 25-23 | Contango Resources LLC | Park | Nov 30, 2007 | — | 0 | 0 |
| Encore USA 25-21 | Contango Resources LLC | Park | Nov 23, 2007 | — | 0 | 0 |
| Frontier 217 | Contango Resources LLC | Park | Nov 23, 2007 | 2,212 | 445 | 643 |
| Frontier 221 | Contango Resources LLC | Park | Nov 20, 2007 | — | 0 | 0 |
| Encore USA 24-8 | Contango Resources LLC | Park | Nov 19, 2007 | — | 544 | 38 |
About this data
Wyoming Oil and Gas Conservation Commission's field registry, its well completions, and the volumes operators filed against the field on form 2, through Aug 2026. The Commission's production file names each well's current operator on every month, so an operator's figures are those of the wells it operates today. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/fields/wy/f1200b52bec, documented in the API reference.