FIELDS · TEXAS · FIELD 30379100
Fashing (Austin Chalk)
Field · District 01 · Atascosa County and 1 more · Austin Chalk in every state →
Fashing (Austin Chalk) is an RRC field with 3 leases on file reported by 9 operators, mostly in Karnes County.
In the 12 months reported through April 2026 it produced 2,131 barrels of oil, up 90% on the year before, from 2 leases reporting volume.
Marathon Oil EF LLC holds the most, 1 lease and 163,217 barrels of oil lifetime.
Lifetime, the field has reported 181,688 barrels of oil and 307,009 mcf of gas.
- 3
- leases on file
- 2
- leases reporting volume
- 9
- operators, all time
- 2
- active wellbores of 5 · 2 operators today
- 2,131
- bbl oil, 12 months through Apr 2026 · +90%
- 1,490
- Mcf gas, same 12 months · +38%
- 181,688
- bbl oil, lifetime · 307,009 Mcf gas
Every well completed in it, searchable →
Reported production by month
12 months through Apr 2026 2,131 · prior 12 1,123(+90%)
Fashing (Austin Chalk): Oil by month.
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 3
| Operator | Leases | Oil, bbl | Gas, Mcf | Last reported |
|---|---|---|---|---|
| Marathon Oil EF LLC | 1 | 163K | 210K | Apr 2026 |
| Verdun Oil & Gas LLC | 1 | 10.4K | 2.89K | Apr 2026 |
| Viceroy Petroleum, LP | 1 | 8.09K | 94.6K | Jun 2013 |
Counties
- Karnes County → 2 leases
- Atascosa County → 1 leases
Latest completions
BY COMPLETION DATE
| Well | Operator | County | Completed | Top perf, ft | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|---|---|---|
| Hartman Unit AC #1H | Marathon Oil EF LLC | Karnes | Dec 18, 2022 | — | — | — |
| Kellner Etta L. #2 | Protege Energy III LLC | Karnes | Aug 30, 2005 | — | — | — |
| H.e.richter #5 | Britanco L.L.C. | Atascosa | May 29, 1999 | — | — | — |
| Richter H.E. #1 | EP Operating Company | Atascosa | Apr 1, 1982 | — | — | — |
| Tom J. L. -a- Unit 4 #1 L | Enserch Exploration Inc | Atascosa | Dec 3, 1957 | — | — | — |
About this data
Field 30379100 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. 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, Austin Chalk, is read from the field's name. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/fields/tx/30379100, documented in the API reference.