FIELDS · 72591500 · DISTRICT 09
Post Oak, SW. (Marble Falls)
Post Oak, SW. (Marble Falls) is an RRC field with 8 leases on file reported by 12 operators, mostly in Jack County.
In the 12 months reported through April 2026 it produced 22,476 mcf of gas, down 15% on the year before, from 3 leases reporting volume.
Winfield Oper Co holds the most, 2 leases and 29,064 barrels lifetime.
Lifetime, the field has reported 61,315 barrels of oil and 689,978 mcf of gas, across 7 oil and 1 gas leases.
- 8
- leases on file · 7 oil, 1 gas
- 12
- operators, all time
- 282
- bbl oil, last 12 reported -24%
- 22.5K
- mcf gas, last 12 reported -15%
- 3
- leases reporting volume
- 61.3K
- bbl oil, lifetime · 690K 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 22,476 · prior 12 26,440(-15%)
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 282 · prior 12 369(-24%)
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 3(-33%)
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 6
| Operator | Leases | Oil, bbl | Gas, mcf | Last reported |
|---|---|---|---|---|
| Winfield Oper Co | 2 | 29.1K | 111K | Jul 2026 |
| Pennzenergy Exp. & Prod., L.L.C | 2 | 23.3K | 125K | Nov 2014 |
| Legacy Expl, LLC I | 1 | 8.19K | 100K | Jul 2026 |
| Amrwr, LLC | 1 | 732 | 19K | Jul 2026 |
| Eagleridge Oper, LLC | 1 | 0 | 335K | Jul 2026 |
| Great State Petro, Inc | 1 | 0 | 0 | Aug 2003 |
Counties
- Jack County → 7 leases
- Clay County → 1 leases
About this data
Field 72591500 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/72591500, documented in the API reference.