LEASES · O-10-2641 · OIL · DISTRICT 08
TXL -D-
ReportingBlack River Operating LLC · Sterling County · Herrell field
Txl -D- is an RRC oil lease (O-10-2641) in Sterling County operated by Black River Operating LLC, with 3 wells completed on it.
It has reported 115K barrels of oil since January 1993, last reporting volume in March 2026 (statewide data runs through April 2026).
The last 12 reported months total 1.41K barrels of oil, down 2% on the year before; the lease peaked at 914 barrels in August 1996.
3 operators have filed production on it, most recently Black River Operating LLC since January 2020.
- 115K
- bbl oil, all reported
- 0
- mcf gas incl. casinghead
- 1.41K
- bbl oil, last 12 reported
- -2%
- vs the 12 before
- 3
- wells completed on it
- 914
- peak month, bbl (Aug 1996)
PDQ LEASE REPORTS · FIRST JAN 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 1,408 · prior 12 1,433(-2%)
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.
- Marathon Oil CompanyJan 1993 → May 2009 · 197 mo
- Apache CorporationJun 2009 → Dec 2019 · 127 mo
- Black River Operating LLCJan 2020 → Jul 2026 · 79 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
3
wells completed on the lease
- Plugged
- 1
- Producing
- 1
- NO Type on File
- 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-10-2641, documented in the API reference.