FIELDS · TEXAS · FIELD 91336498
Triple M (Wolfcamp Upper)
Field · District 08 · Sterling County · Wolfcamp Upper in every state →
Triple M (Wolfcamp Upper) is an RRC field with 8 leases on file reported by 7 operators, in Sterling County.
In the 12 months reported through April 2026 it produced 2,620 barrels of oil, up 2% on the year before, from 3 leases reporting volume.
Winn Operating, LLC holds the most, 3 leases and 129,284 barrels of oil lifetime.
Lifetime, the field has reported 190,634 barrels of oil and 127,898 mcf of gas.
- 8
- leases on file
- 3
- leases reporting volume
- 7
- operators, all time
- 2
- active wellbores of 33 · 2 operators today
- 2,620
- bbl oil, 12 months through Apr 2026 · +2%
- 0
- Mcf gas, same 12 months
- 190,634
- bbl oil, lifetime · 127,898 Mcf gas
Every well completed in it, searchable →
Reported production by month
Last 12 months 2,620 · prior 12 2,567(+2%)
Triple M (Wolfcamp Upper): Oil by month.
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 4
| Operator | Leases | Oil, bbl | Gas, Mcf | Last reported |
|---|---|---|---|---|
| Winn Operating, LLC | 3 | 129K | 127K | Jul 2026 |
| Ampak Oil Company | 1 | 43.6K | 556 | Jul 2026 |
| Endeavor Energy Resources L.P. | 2 | 17.8K | 35 | Jan 2011 |
| Cross Timbers Operating Company | 2 | 0 | 0 | Feb 1995 |
Counties
- Sterling County → 2 leases
Latest completions
BY COMPLETION DATE
| Well | Operator | County | Completed | Top perf, ft | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|---|---|---|
| Sellers Nellie #1 | Ampak Oil Company | Sterling | Aug 30, 1988 | — | 0 | 0 |
| Sellers 174-C #5 U | Crown Central Petroleum Corp. | Sterling | Jul 28, 1983 | — | 0 | 0 |
| Sellers -64- #5 | Winn Operating LLC | Sterling | Mar 10, 1983 | — | 0 | 0 |
| Humble Sellers 174 #4W | Crown Central Petroleum Corp. | Sterling | Oct 1, 1965 | — | 0 | 0 |
About this data
Field 91336498 from RRC PDQ lease reports: lifetime totals and lease and operator counts from the field summary; the monthly series summed from every lease report naming the field, cut at the statewide reported-through month, Apr 2026. Counties from the wells completed on each lease. Completions are the wellbores the RRC schedule ties to the field. The formation, Wolfcamp Upper, is read from the field's name. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/fields/tx/91336498, documented in the API reference.