LEASES · O-1-10519 · OIL · DISTRICT 01
Mullins -D-
No volume since Aug 2017Cal Oil Company · Atascosa County · Bear Creek field
Mullins -D- is an RRC oil lease (O-1-10519) in Atascosa County operated by Cal Oil Company, with one well completed on it.
It has reported 2.78K barrels of oil and 20 mcf of gas since January 1993, last reporting volume in August 2017 (statewide data runs through April 2026).
The last 12 reported months total 49 barrels of oil; the lease peaked at 62 barrels in June 2002.
3 operators have filed production on it, most recently Cal Oil Company since June 2014.
- 2.78K
- bbl oil, all reported
- 20
- mcf gas incl. casinghead
- 49
- bbl oil, last 12 reported
- —
- vs the 12 before
- 1
- wells completed on it
- 62
- peak month, bbl (Jun 2002)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME AUG 2017 · 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 49 · prior 12 26(+88%)
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.
- Virtex Petroleum Company, Inc.Jan 1993 → Jan 2008 · 181 mo
- Virtex Operating Company, Inc.Feb 2008 → May 2014 · 76 mo
- Cal Oil CompanyJun 2014 → Feb 2018 · 45 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
1
wells completed on the lease
- Not on Schedule
- 1
Operates them now
Newest permits
- 01333193 #D 1Jan 29, 1985
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-1-10519, documented in the API reference.