FIELDS · TEXAS · FIELD 65433500
Nicholas (Duffer)
Field · District 7B · Callahan County and 1 more · Duffer in every state →
Nicholas (Duffer) is an RRC field with 24 leases on file reported by 13 operators, mostly in Callahan County.
In the 12 months reported through April 2026 it produced 10,137 mcf of gas, down 36% on the year before, from 5 leases reporting volume.
Rjkb Foster Operating LLC holds the most, 2 leases and 27,311 barrels lifetime.
Lifetime, the field has reported 42,817 barrels of oil and 936,560 mcf of gas, across 17 oil and 7 gas leases.
- 24
- leases on file · 17 oil, 7 gas
- 5
- leases reporting volume
- 13
- operators, all time
- 2
- active wellbores of 47 · 1 operators today
- 85
- bbl oil, 12 months through Apr 2026 · −62%
- 10,137
- Mcf gas, same 12 months · −36%
- 42,817
- bbl oil, lifetime · 936,560 Mcf gas
Every well completed in it, searchable →
Reported production by month
Last 12 months 85 · prior 12 225(-62%)
Nicholas (Duffer): Oil by month.
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 10
| Operator | Leases | Oil, bbl | Gas, Mcf | Last reported |
|---|---|---|---|---|
| Rjkb Foster Operating LLC | 2 | 27.3K | 446K | Jul 2026 |
| Eastland Operating, L.L.C. | 4 | 9.24K | 311K | Jul 2026 |
| CP Refining and Trucking LLC | 1 | 4.34K | 37.9K | Jul 2026 |
| O.G.O. Refining | 8 | 1.68K | 2.12K | Jun 2013 |
| Gaylyn, Inc. | 2 | 129 | 25K | Jul 2026 |
| Rock Operating | 2 | 110 | 33.9K | Jul 2026 |
| Parrot Energy | 2 | 0 | 0 | Aug 2003 |
| Hofco, Inc. | 1 | 0 | 79.4K | Jul 2017 |
| Ogo Production | 1 | 0 | 0 | Aug 2003 |
| Fossil Operating, Inc. | 1 | 0 | 2.12K | Apr 2001 |
Counties
- Callahan County → 20 leases
- Eastland County → 3 leases
Latest completions
BY COMPLETION DATE
| Well | Operator | County | Completed | Top perf, ft | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|---|---|---|
| Lilley #4 | Fossil Operating Inc. | Callahan | Feb 17, 1999 | — | 0 | 0 |
| Lilley #3 | Rock Operating | Eastland | Jan 14, 1999 | — | 0 | 0 |
| Wolfe #1 | Eastland Operating L.L.C. | Callahan | Jun 6, 1990 | — | 0 | 0 |
| Forbes #1 | O.G.O. Refining | Callahan | Dec 4, 1987 | — | 0 | 0 |
| Vestal B #1 | Gaylyn Inc. | Callahan | Feb 1, 1984 | — | 0 | 0 |
| Jones #2 | O.G.O. Refining | Callahan | May 1, 1983 | — | 0 | 0 |
| Glover #4 | O.G.O. Refining | Callahan | May 1, 1983 | — | 0 | 0 |
| Cunningham #3 | O.G.O. Refining | Callahan | May 1, 1983 | — | 0 | 0 |
| Cunningham #2 | O.G.O. Refining | Callahan | May 1, 1983 | — | 0 | 0 |
| Irvin #2 | CP Refining and Trucking LLC | Callahan | May 1, 1983 | — | 0 | 0 |
About this data
Field 65433500 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, Duffer, is read from the field's name. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/fields/tx/65433500, documented in the API reference.