FIELDS · TEXAS · FIELD 89490500
Thomas Ranch (Ellenburger)
Field · District 7B · Nolan County · Ellenburger in every state →
Thomas Ranch (Ellenburger) is an RRC field with 5 leases on file reported by 10 operators, in Nolan County.
In the 12 months reported through April 2026 it produced 1,718 barrels of oil, up 9% on the year before, from 1 lease reporting volume.
Flat Top Operating, LLC holds the most, 1 lease and 81,491 barrels of oil lifetime.
Lifetime, the field has reported 85,342 barrels of oil and 42,542 mcf of gas.
- 5
- leases on file
- 1
- leases reporting volume
- 10
- operators, all time
- 1
- active wellbores of 8 · 1 operators today
- 1,718
- bbl oil, 12 months through Apr 2026 · +9%
- 0
- Mcf gas, same 12 months
- 85,342
- bbl oil, lifetime · 42,542 Mcf gas
Every well completed in it, searchable →
Reported production by month
Last 12 months 1,718 · prior 12 1,572(+9%)
Thomas Ranch (Ellenburger): Oil by month.
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 4
| Operator | Leases | Oil, bbl | Gas, Mcf | Last reported |
|---|---|---|---|---|
| Flat Top Operating, LLC | 1 | 81.5K | 42.5K | Jul 2026 |
| Robertson Resources, Inc. | 1 | 3.84K | 16 | Feb 1997 |
| Cuatro Oil and Gas Corporation | 1 | 9 | 1 | Dec 1993 |
| Older Than Dirt LLC | 2 | 0 | 0 | Jul 2026 |
Counties
- Nolan County → 5 leases
Latest completions
BY COMPLETION DATE
| Well | Operator | County | Completed | Top perf, ft | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|---|---|---|
| Thomas Ranch #1 | Per Operating LLC | Nolan | Aug 13, 2014 | — | 0 | 0 |
| Thomas Ranch #1 | Leclair Operating Co. Inc. | Nolan | Dec 15, 1984 | — | 0 | 0 |
| Cothron Homer #1 | Cuatro Oil and Gas Corporation | Nolan | May 13, 1981 | — | 0 | 0 |
| Thomas Ranch #3 | Flat Top Operating LLC | Nolan | Apr 13, 1981 | — | 0 | 0 |
| Thomas Ranch B #1 | Per Operating LLC | Nolan | Apr 9, 1981 | — | 0 | 0 |
| Thomas Ranch a #1 | Robertson Resources Inc. | Nolan | Jul 28, 1980 | — | 0 | 0 |
| Adams John G. Sr #3 | Lakeshore Operating LLC | Nolan | Jun 2, 1979 | — | 0 | 0 |
| Thomas Ranch a #1 | Per Operating LLC | Nolan | Aug 19, 1978 | — | 0 | 0 |
About this data
Field 89490500 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, Ellenburger, is read from the field's name. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/fields/tx/89490500, documented in the API reference.