LEASES · O-8-23439 · OIL · DISTRICT 7B
McFarlane
ReportingSouthwest Gas Systems, Inc. · Callahan County · Callahan County Regular field
Mcfarlane is an RRC oil lease (O-8-23439) in Callahan County operated by Southwest Gas Systems, Inc., with one well completed on it.
It has reported 18.4K barrels of oil and 646K mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 104 barrels of oil; the lease peaked at 140 barrels in February 1993.
2 operators have filed production on it, most recently Southwest Gas Systems, Inc. since January 2025.
- 18.4K
- bbl oil, all reported
- 646K
- mcf gas incl. casinghead
- 104
- bbl oil, last 12 reported
- —
- vs the 12 before
- 1
- wells completed on it
- 140
- peak month, bbl (Feb 1993)
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 104 · prior 12 34(+206%)
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 5,268 · prior 12 1,820(+189%)
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.
- Furry Producing CompanyJan 1993 → Dec 2024 · 384 mo
- Southwest Gas Systems, Inc.Jan 2025 → Jul 2026 · 19 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-8-23439, documented in the API reference.