FIELDS · 80280500 · DISTRICT 02
San Marcos (Austin Chalk)
DE Witt 1
San Marcos (Austin Chalk) is an RRC field with 1 leases on file reported by 3 operators, in DE Witt County.
In the 12 months reported through April 2026 it produced 5,184 mcf of gas, down 68% on the year before, from 1 leases reporting volume.
Marathon Oil EF LLC holds the most, 1 leases and 0 barrels lifetime.
Lifetime, the field has reported 0 barrels of oil and 377,227 mcf of gas.
- 1
- leases on file
- 3
- operators, all time
- 0
- bbl oil, last 12 reported
- 5.18K
- mcf gas, last 12 reported -68%
- 1
- leases reporting volume
- 0
- bbl oil, lifetime · 377K mcf
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
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 5,184 · prior 12 16,221(-68%)
Leases reporting volume
How many of the field's leases reported any oil or gas each month: the field's active footprint.
Latest month 1 · a year earlier 1(+0%)
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 1
| Operator | Leases | Oil, bbl | Gas, mcf | Last reported |
|---|---|---|---|---|
| Marathon Oil EF LLC | 1 | 0 | 589K | Jul 2026 |
Counties
- DE Witt County → 1 leases
About this data
Field 80280500 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/80280500, documented in the API reference.