LEASES · O-4-11837 · OIL · DISTRICT 04
Gillespie Unit
No volume since Mar 1998Alegre Operating, Inc. · Nueces County · Brayton, N. (Vicksburg 11,150) field
Gillespie Unit is an RRC oil lease (O-4-11837) in Nueces County operated by Alegre Operating, Inc., with one well completed on it.
It has reported 2.46K barrels of oil and 28 mcf of gas since January 1993, last reporting volume in March 1998 (statewide data runs through April 2026).
No volume was reported in the last 12 months; the last was in March 1998.
5 operators have filed production on it, most recently Alegre Operating, Inc. since July 2025.
- 2.46K
- bbl oil, all reported
- 28
- mcf gas incl. casinghead
- 0
- bbl oil, last 12 reported
- —
- vs the 12 before
- 1
- wells completed on it
- 82
- peak month, bbl (Jan 1994)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME MAR 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 0 · prior 12 0
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 0
Who reported it
Each run of months one operator filed the production report, oldest first.
- Gillring Oil CompanyJan 1993 → May 1994 · 17 mo
- Lomak Production CompanyJun 1994 → Aug 1998 · 51 mo
- Range Production CompanySep 1998 → Feb 2002 · 42 mo
- Pearl, Bill H. Productions, Inc.Mar 2002 → Jun 2025 · 280 mo
- Alegre Operating, Inc.Jul 2025 → Jul 2026 · 13 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-4-11837, documented in the API reference.