LEASES · O-4-12239 · OIL · DISTRICT 04
Fischer, Nellie I. Unit
No volume since Mar 1997Harris Energy Services, LLC · San Patricio County · Riverside, East (5750) field
Fischer, Nellie I. Unit is an RRC oil lease (O-4-12239) in San Patricio County operated by Harris Energy Services, LLC, with one well completed on it.
It has reported 11.8K barrels of oil and 155K mcf of gas since August 1993, last reporting volume in March 1997 (statewide data runs through April 2026).
No volume was reported in the last 12 months; the last was in March 1997.
6 operators have filed production on it, most recently Harris Energy Services, LLC since December 2021.
- 11.8K
- bbl oil, all reported
- 155K
- mcf gas incl. casinghead
- 0
- bbl oil, last 12 reported
- —
- vs the 12 before
- 1
- wells completed on it
- 978
- peak month, bbl (Sep 1993)
PDQ LEASE REPORTS · FIRST AUG 1993 · LAST VOLUME MAR 1997 · 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.
- MO-Jon, Inc.Aug 1993 → Jul 1998 · 60 mo
- Pearl, Bill H. Productions, Inc.Aug 1998 → Apr 2013 · 177 mo
- Pantera Energy CompanyMay 2013 → Dec 2017 · 56 mo
- Sawmill Resources, LLCJan 2018 → Nov 2019 · 23 mo
- Silver Fox Oil & Gas LLCDec 2019 → Nov 2021 · 24 mo
- Harris Energy Services, LLCDec 2021 → Jul 2026 · 56 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-4-12239, documented in the API reference.