FIELDS · WYOMING · FIELD fe1bb391fd4
Manderson
Field · Big Horn County
- 41
- active completions of 182 · 2 operators today
- 9,014
- bbl oil, 12 months through Aug 2026 · −23%
- 108,816
- Mcf gas, same 12 months · −24%
- 2.2M
- bbl oil since the record begins, Jan 1978 · 28.5M Mcf gas
Every well completed in it, searchable → · Median top perforation 6,637 ft
Reported production by month
12 months through Aug 2026 9,014 · prior 12 11,636(-23%)
Manderson: Oil by month.
Operators
| Operator | Active | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|
| Natural Gas Processing Company | 40 | 7,204 | 108,816 |
| Pride Energy Company AN Oklahoma GP | 1 | 1,810 | 0 |
| Saga Petroleum LLC of Colorado | 0 | 0 | 0 |
| Wyoil Corp | 0 | 0 | 0 |
| KCS Mountain Resources Inc | 0 | 0 | 0 |
| M-3 Industries | 0 | 0 | 0 |
| Union Oil Co of California | 0 | 0 | 0 |
| Anadarko E&P Onshore LLC | 0 | 0 | 0 |
| Altus Exploration Company | 0 | 0 | 0 |
| Beartooth Oil and Gas Co | 0 | 0 | 0 |
| Cenex | 0 | — | — |
| Fox R S Oil Properties | 0 | — | — |
| Fox R S | 0 | — | — |
| Kimbark Operating Company | 0 | — | — |
| Florida Gas Exploration Co | 0 | — | — |
Counties
- Big Horn County41 active of 182
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 |
|---|---|---|---|---|---|---|
| Manderson Unit 34-19P | Natural Gas Processing Company | Big Horn | Nov 6, 2018 | 6,104 | 8 | 276 |
| Manderson Unit 23-18L | Natural Gas Processing Company | Big Horn | Jun 14, 2008 | 5,510 | 166 | 10,592 |
| Manderson Unit 23-33P | Natural Gas Processing Company | Big Horn | Aug 18, 1999 | 7,502 | 205 | 2,067 |
| Federal 5 | Natural Gas Processing Company | Big Horn | Jul 7, 1999 | 5,570 | 0 | 0 |
| Manderson Unit 24-2P | KCS Mountain Resources Inc | Big Horn | Feb 10, 1999 | 6,734 | 0 | 0 |
| Manderson Unit 12-19P | Natural Gas Processing Company | Big Horn | Jan 9, 1999 | 5,480 | — | — |
| AINSWORTH UNIT 12-3P(l) | Natural Gas Processing Company | Big Horn | Sep 21, 1998 | 5,250 | 0 | 0 |
| Federal 1 | Natural Gas Processing Company | Big Horn | Sep 4, 1998 | — | 0 | 0 |
| Lester Snyder Trust 1 | Natural Gas Processing Company | Big Horn | Jul 19, 1998 | 6,315 | 0 | 0 |
| Ainsworth 23-34P | Natural Gas Processing Company | Big Horn | Jun 18, 1998 | 6,696 | 144 | 1,645 |
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/fe1bb391fd4, documented in the API reference.