LEASES · O-1-15637 · OIL · DISTRICT 01
Deatley-May Unit A
Marathon Oil EF LLC · Atascosa County · Eagleville (Eagle Ford-1) field
Deatley-May Unit A is an RRC oil lease (O-1-15637) in Atascosa County operated by Marathon Oil EF LLC, with one well completed on it.
It has reported 117K barrels of oil and 211K mcf of gas since November 2011, last reporting volume in January 2024 (statewide data runs through April 2026).
No volume was reported in the 12 months through April 2026; the last was in January 2024.
2 operators have filed production on it, most recently Marathon Oil EF LLC since November 2011.
- 117K
- bbl oil, all reported
- 211K
- mcf gas incl. casinghead
- 0
- bbl oil, 12 months through Apr 2026
- —
- vs the 12 before
- 1
- wells completed on it
- 7.07K
- peak month, bbl (Nov 2011)
PDQ LEASE REPORTS · FIRST NOV 2011 · LAST VOLUME JAN 2024 · 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 0 · prior 12 0
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 0 · prior 12 0
Who reported it
Each run of months one operator filed the production report, oldest first.
- Hilcorp Energy CompanyAug 2011 → Oct 2011 · 3 mo
- Marathon Oil EF LLCNov 2011 → Jul 2026 · 177 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-1-15637, documented in the API reference.