FIELDS · TEXAS · FIELD 36953500
Grierson Spring (Strawn)
Field · District 7C · Reagan County · Strawn in every state →
Grierson Spring (Strawn) is an RRC field with 31 leases on file reported by 19 operators, in Reagan County.
In the 12 months reported through April 2026 it produced 411,659 mcf of gas, up 9% on the year before, from 15 leases reporting volume.
TXP, Incorporated holds the most, 2 leases and 1.7 million mcf of gas lifetime.
Lifetime, the field has reported 73,711 barrels of oil and 45 million mcf of gas, across 6 oil and 25 gas leases.
- 31
- leases on file · 6 oil, 25 gas
- 15
- leases reporting volume
- 19
- operators, all time
- 17
- active wellbores of 27 · 3 operators today
- 1,431
- bbl oil, 12 months through Apr 2026 · −5%
- 411,659
- Mcf gas, same 12 months · +9%
- 73,711
- bbl oil, lifetime · 44.9M Mcf gas
Every well completed in it, searchable →
Reported production by month
Last 12 months 1,431 · prior 12 1,505(-5%)
Grierson Spring (Strawn): Oil by month.
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 8
| Operator | Leases | Oil, bbl | Gas, Mcf | Last reported |
|---|---|---|---|---|
| TXP, Incorporated | 2 | 57.7K | 1.71M | Jul 2026 |
| Zarvona Energy LLC | 3 | 7.21K | 746K | Jul 2026 |
| Apache Corporation | 18 | 4.58K | 41.9M | Jul 2026 |
| Thompson, J. Cleo | 3 | 4.2K | 137K | Mar 2014 |
| Marathon Oil Company | 2 | 0 | 464K | Nov 2009 |
| Henry Resources LLC | 1 | 0 | 0 | Aug 2015 |
| Enron Oil & Gas Company | 1 | 0 | 0 | Aug 1999 |
| Permian Resources Operating, LLC | 1 | 0 | 344 | Jul 2026 |
Counties
- Reagan County → 31 leases
Latest completions
BY COMPLETION DATE
| Well | Operator | County | Completed | Top perf, ft | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|---|---|---|
| Univkeisha #7091 | Zarvona Energy LLC | Reagan | Aug 12, 2016 | — | 0 | 0 |
| Univkeisha #7101 | Zarvona Energy LLC | Reagan | Oct 10, 2013 | — | 0 | 0 |
| Univkeisha #7144 | Zarvona Energy LLC | Reagan | Jul 24, 2013 | — | 0 | 0 |
| University 7 #1 | Permian Resources Operating LLC | Reagan | Sep 26, 2011 | — | 0 | 0 |
| University 6-17 #1 | Apache Corporation | Reagan | Sep 25, 2009 | — | 0 | 0 |
| University 1-1 #1 | Thompson J. Cleo | Reagan | Nov 20, 2006 | — | 0 | 0 |
| University 6-6 #1 | TXP Incorporated | Reagan | Oct 31, 2001 | — | 0 | 0 |
| University 7-18 #1 | TXP Incorporated | Reagan | Jul 18, 2001 | — | 0 | 0 |
| University 6-3 #1 | Enron Oil & Gas Company | Reagan | May 15, 1998 | — | 0 | 0 |
| Grierson State #2 | Apache Corporation | Reagan | Apr 19, 1998 | — | 0 | 0 |
About this data
Field 36953500 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, Strawn, is read from the field's name. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/fields/tx/36953500, documented in the API reference.