LEASES · O-1-12601 · OIL · DISTRICT 01
Dilley Unit -A-
No volume since Jul 1995First Rock, Inc. · Frio County · Pearsall (Austin Chalk) field
Dilley Unit -A- is an RRC oil lease (O-1-12601) in Frio County operated by First Rock, Inc., with one well completed on it.
It has reported 4.96K barrels of oil and 1.49K mcf of gas since January 1993, last reporting volume in July 1995 (statewide data runs through April 2026).
No volume was reported in the last 12 months; the last was in July 1995.
7 operators have filed production on it, most recently First Rock, Inc. since July 2025.
- 4.96K
- bbl oil, all reported
- 1.49K
- mcf gas incl. casinghead
- 0
- bbl oil, last 12 reported
- —
- vs the 12 before
- 1
- wells completed on it
- 1.6K
- peak month, bbl (Jan 1993)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME JUL 1995 · 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 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.
Last 12 months 0 · prior 12 0
Who reported it
Each run of months one operator filed the production report, oldest first.
- Stoneburner Exploration, Inc.Jan 1993 → Jun 1994 · 18 mo
- First Rock, Inc.Jul 1994 → May 2013 · 227 mo
- Bellows Operating Co., L. C.Jun 2013 → Sep 2017 · 52 mo
- Double Play Oil & Gas, IncOct 2017 → May 2019 · 20 mo
- 2 D Oil & Gas LLCJun 2019 → May 2022 · 36 mo
- Soco Atx LLCJun 2022 → Jun 2025 · 37 mo
- First Rock, Inc.Jul 2025 → Jul 2026 · 13 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-1-12601, documented in the API reference.