LEASES · O-4-12240 · OIL · DISTRICT 04
Fischer, Nellie I.
ReportingHarris Energy Services, LLC · San Patricio County · Riverside, East (6200) field
Fischer, Nellie I. is an RRC oil lease (O-4-12240) in San Patricio County operated by Harris Energy Services, LLC, with one well completed on it.
It has reported 43.8K barrels of oil and 124K mcf of gas since August 1993, last reporting volume in March 2026 (statewide data runs through April 2026).
The last 12 reported months total 3.2K barrels of oil, down 29% on the year before; the lease peaked at 1.39K barrels in August 1993.
6 operators have filed production on it, most recently Harris Energy Services, LLC since March 2022.
- 43.8K
- bbl oil, all reported
- 124K
- mcf gas incl. casinghead
- 3.2K
- bbl oil, last 12 reported
- -29%
- vs the 12 before
- 1
- wells completed on it
- 1.39K
- peak month, bbl (Aug 1993)
PDQ LEASE REPORTS · FIRST AUG 1993 · LAST VOLUME MAR 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 3,201 · prior 12 4,534(-29%)
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
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.
- 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 → Feb 2022 · 27 mo
- Harris Energy Services, LLCMar 2022 → Jul 2026 · 53 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
1
wells completed on the lease
- NO Type on File
- 1
Operates them now
Newest permits
- 40932329 #1 AAug 12, 1993
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-4-12240, documented in the API reference.