LEASES · O-10-37868 · OIL · DISTRICT 08
Buchanan 31
ReportingExtex Operating Company · Midland County · Azalea (Devonian) field
Buchanan 31 is an RRC oil lease (O-10-37868) in Midland County operated by Extex Operating Company, with one well completed on it.
It has reported 22.8K barrels of oil and 909K mcf of gas since May 2006, last reporting volume in October 2025 (statewide data runs through April 2026).
The last 12 reported months total 347 barrels of oil, up 23% on the year before; the lease peaked at 849 barrels in June 2006.
3 operators have filed production on it, most recently Extex Operating Company since February 2021.
- 22.8K
- bbl oil, all reported
- 909K
- mcf gas incl. casinghead
- 347
- bbl oil, last 12 reported
- +23%
- vs the 12 before
- 1
- wells completed on it
- 849
- peak month, bbl (Jun 2006)
PDQ LEASE REPORTS · FIRST MAY 2006 · LAST VOLUME OCT 2025 · 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 347 · prior 12 281(+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 18,699 · prior 12 13,601(+37%)
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.
- EOG Resources, Inc.May 2006 → Sep 2012 · 77 mo
- Legacy Reserves Operating LPOct 2012 → Jan 2021 · 100 mo
- Extex Operating CompanyFeb 2021 → Jul 2026 · 66 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-10-37868, documented in the API reference.