LEASES · O-10-51777 · OIL · DISTRICT 08
John CR
ReportingDiamondback E&P LLC · Martin County · Spraberry (Trend Area) field
John CR is an RRC oil lease (O-10-51777) in Martin County operated by Diamondback E&P LLC, with one well completed on it.
It has reported 398K barrels of oil and 1M mcf of gas since October 2018, last reporting volume in April 2026 (statewide data runs through April 2026).
It reported 4.04K barrels of oil in the 12 months through April 2026, down 22% on the year before; the lease peaked at 26.4K barrels in December 2018.
2 operators have filed production on it, most recently Diamondback E&P LLC since October 2021.
- 398K
- bbl oil, all reported
- 1M
- mcf gas incl. casinghead
- 4.04K
- bbl oil, 12 months through Apr 2026
- -22%
- vs the 12 before
- 1
- wells completed on it
- 26.4K
- peak month, bbl (Dec 2018)
PDQ LEASE REPORTS · FIRST OCT 2018 · 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.
12 months through Apr 2026 4,042 · prior 12 5,213(-22%)
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.
12 months through Apr 2026 47,171 · prior 12 120,287(-61%)
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.
- QEP Energy CompanyOct 2018 → Sep 2021 · 36 mo
- Diamondback E&P LLCOct 2021 → Jul 2026 · 58 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-10-51777, documented in the API reference.