FIELDS · 30379100 · DISTRICT 01
Fashing (Austin Chalk)
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 leases and 163,217 barrels lifetime.
Lifetime, the field has reported 181,688 barrels of oil and 307,009 mcf of gas.
- 3
- leases on file
- 9
- operators, all time
- 2.13K
- bbl oil, last 12 reported +90%
- 1.49K
- mcf gas, last 12 reported +38%
- 2
- leases reporting volume
- 182K
- bbl oil, lifetime · 307K mcf
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Oil by month
TEN YEARS · EVERY LEASE IN THE FIELD
Barrels reported on Form PR across the field's leases. The latest months are revised upward as late reports arrive.
Last 12 months 2,131 · prior 12 1,123(+90%)
Gas by month
TEN YEARS · EVERY LEASE IN THE FIELD
Gas-well gas plus casinghead, mcf, across the field's leases. The latest months are revised upward as late reports arrive.
Last 12 months 1,490 · prior 12 1,081(+38%)
Leases reporting volume
How many of the field's leases reported any oil or gas each month: the field's active footprint.
Latest month 2 · a year earlier 1(+100%)
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 3
| Operator | Leases | Oil, bbl | Gas, mcf | Last reported |
|---|---|---|---|---|
| Marathon Oil EF LLC | 1 | 163K | 210K | Jul 2026 |
| Verdun Oil & Gas LLC | 1 | 10.4K | 2.89K | Jul 2026 |
| Viceroy Petro, LP | 1 | 8.09K | 94.6K | Nov 2020 |
Counties
- Karnes County → 2 leases
- Atascosa County → 1 leases
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 nightly from every lease report naming the field, cut at the statewide reported-through month. Counties from the wells completed on each lease.
New to these records? how production is reported
Developers: this page as JSON is GET /v1/data/fields/tx/30379100, documented in the API reference.