LEASES · O-2-4001 · OIL · DISTRICT 02
Lambert, M. F.
ReportingHilcorp Energy Company · Refugio County · Greta (4400) field
Lambert, M. F. is an RRC oil lease (O-2-4001) in Refugio County operated by Hilcorp Energy Company, with 12 wells completed on it.
It has reported 139K barrels of oil and 211K mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 20.8K barrels of oil, down 23% on the year before; the lease peaked at 2.87K barrels in June 2024.
4 operators have filed production on it, most recently Hilcorp Energy Company since August 2001.
- 139K
- bbl oil, all reported
- 211K
- mcf gas incl. casinghead
- 20.8K
- bbl oil, last 12 reported
- -23%
- vs the 12 before
- 12
- wells completed on it
- 2.87K
- peak month, bbl (Jun 2024)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME APR 2026 · 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 20,824 · prior 12 27,196(-23%)
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 168 · prior 12 2,123(-92%)
Decline curve
None shown. Petrora fits an Arps curve only when the last ten years of oil reports follow one decline closely enough to project (R² of 0.7 or better over at least a year since the peak). This lease's recent history does not, so a projection would be a guess dressed as a number.
Who reported it
Each run of months one operator filed the production report, oldest first.
- Pennzoil Exploration & Prod. Co.Jan 1993 → Feb 1999 · 74 mo
- Pennzenergy Exp. & Prod., L.L.C.Mar 1999 → Mar 2000 · 13 mo
- Devon Energy Production Co, L.P.Apr 2000 → Jul 2001 · 16 mo
- Hilcorp Energy CompanyAug 2001 → Jul 2026 · 300 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
12
wells completed on the lease
- NO Type on File
- 7
- Plugged
- 4
- Shut IN
- 1
Operates them now
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-2-4001, documented in the API reference.