FIELDS · TEXAS · FIELD 97498450
Willamar, West (Miocene 5300)
Field · District 04 · Willacy County · Miocene 5300 in every state →
Willamar, West (Miocene 5300) is an RRC field with 3 leases on file reported by 5 operators, in Willacy County.
In the 12 months reported through August 2026 it produced 2,084 barrels of oil, up 36% on the year before, from 1 lease reporting volume.
Citation Oil & Gas Corp. holds the most, 1 lease and 476,456 barrels of oil lifetime.
Lifetime, the field has reported 476,656 barrels of oil and 667,643 mcf of gas.
- 3
- leases on file
- 1
- leases reporting volume
- 5
- operators, all time
- 3
- active wellbores of 17 · 1 operators today
- 2,084
- bbl oil, 12 months through Aug 2026 · +36%
- 5,844
- Mcf gas, same 12 months · +28%
- 476,656
- bbl oil, lifetime · 667,643 Mcf gas
Every well completed in it, searchable →
Reported production by month
12 months through Aug 2026 2,084 · prior 12 1,533(+36%)
Willamar, West (Miocene 5300): Oil by month.
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 3
| Operator | Leases | Oil, bbl | Gas, Mcf | Last reported |
|---|---|---|---|---|
| Citation Oil & Gas Corp. | 1 | 476K | 667K | Aug 2026 |
| Chestnut Explor. and Prod., Inc. | 1 | 200 | 748 | Jun 2013 |
| Parker & Parsley Development L.P | 1 | 0 | 0 | — |
Counties
- Willacy County → 3 leases
Latest completions
BY COMPLETION DATE
| Well | Operator | County | Completed | Top perf, ft | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|---|---|---|
| Sauz Ranch Mulatos Pasture #175 | Chestnut Explor. and Prod. Inc. | Willacy | Nov 27, 2012 | — | — | — |
| Willamar West Miocene Unit #m 44 | Citation Oil & Gas Corp. | Willacy | Oct 25, 2012 | — | — | — |
| Willamar West Miocene Unit #m 38 | Citation Oil & Gas Corp. | Willacy | Apr 20, 2005 | — | — | — |
| Willamar West Miocene Unit #m 30 | Citation Oil & Gas Corp. | Willacy | Feb 14, 1992 | — | — | — |
| Sauz Ranch Mulatos Pasture #186 | Parker & Parsley Development L.P | Willacy | Oct 25, 1987 | — | — | — |
| Willamar West Miocene Unit #m 4 | Citation Oil & Gas Corp. | Willacy | Feb 19, 1987 | — | — | — |
| Willamar West Miocene Unit #m 6 | Citation Oil & Gas Corp. | Willacy | Dec 22, 1986 | — | — | — |
| Sauz Ranch Mulatos Pasture #172 | Parker & Parsley Development L.P | Willacy | Nov 17, 1986 | — | — | — |
| Sauz Ranch Mulatos Pasture #182 F | Cimarex Energy Co. of Colorado | Willacy | Jan 10, 1985 | — | — | — |
| Sauz Ranch Mulatos Pasture #170 | Shoco Production LLC | Willacy | Aug 7, 1984 | — | — | — |
About this data
Field 97498450 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, Aug 2026. Oil includes condensate from gas leases and gas includes casinghead gas from oil leases, as the RRC totals them. Counties from the wells completed on each lease. Completions are the wellbores the RRC schedule ties to the field. The formation, Miocene 5300, is read from the field's name. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/fields/tx/97498450, documented in the API reference.