LEASES · O-4-12050 · OIL · DISTRICT 04
Welder Wildlife Refuge Unit
No volume since Apr 1998Mestena, Inc. · San Patricio County · Rooke (7100 A) field
Welder Wildlife Refuge Unit is an RRC oil lease (O-4-12050) in San Patricio County operated by Mestena, Inc., with one well completed on it.
It has reported 25.5K barrels of oil and 270K mcf of gas since January 1993, last reporting volume in April 1998 (statewide data runs through April 2026).
The last 12 reported months total 879 barrels of oil, down 53% on the year before; the lease peaked at 1.7K barrels in January 1993.
2 operators have filed production on it, most recently Mestena, Inc. since September 1993.
- 25.5K
- bbl oil, all reported
- 270K
- mcf gas incl. casinghead
- 879
- bbl oil, last 12 reported
- -53%
- vs the 12 before
- 1
- wells completed on it
- 1.7K
- peak month, bbl (Jan 1993)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME APR 1998 · STATEWIDE DATA THROUGH APR 2026
Oil by month
Barrels reported on Form PR for the whole lease. The latest months are revised upward as late reports arrive.
Last 12 months 879 · prior 12 1,869(-53%)
Gas by month
Gas-well gas plus casinghead gas, mcf. On an oil lease all gas is reported as casinghead. The latest months are revised upward as late reports arrive.
Last 12 months 0 · prior 12 16,376(-100%)
Who reported it
Each run of months one operator filed the production report, oldest first.
- Little, Lou Operating Co., Inc.Jan 1993 → Aug 1993 · 8 mo
- Mestena, Inc.Sep 1993 → Jun 1998 · 58 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
About this data
Monthly oil, gas, and casinghead from the RRC PDQ production dump, which lags the reporting month by two to three months; figures shown through Apr 2026. Wells from completion reports; operator runs from who filed each month's report.
Developers: this page as JSON is GET /v1/data/leases/tx/o-4-12050, documented in the API reference.