LEASES · O-1-9113 · OIL · DISTRICT 01
Diamond Head
No volume since Mar 2009Sto Operating Company · Atascosa County · C.J.P. (Reef) field
Diamond Head is an RRC oil lease (O-1-9113) in Atascosa County operated by Sto Operating Company, with one well completed on it.
It has reported 418 barrels of oil and 30 mcf of gas since January 1993, last reporting volume in March 2009 (statewide data runs through April 2026).
The last 12 reported months total 2 barrels of oil; the lease peaked at 143 barrels in April 1998.
4 operators have filed production on it, most recently Sto Operating Company since March 2008.
- 418
- bbl oil, all reported
- 30
- mcf gas incl. casinghead
- 2
- bbl oil, last 12 reported
- —
- vs the 12 before
- 1
- wells completed on it
- 143
- peak month, bbl (Apr 1998)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME MAR 2009 · 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 2 · 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.
- Chase-Mann Petroleum Incorp.Jan 1993 → Feb 1998 · 62 mo
- Property Development Group, Inc.Mar 1998 → May 2004 · 75 mo
- Horizon Ridge Oil CompanyJun 2004 → Feb 2008 · 45 mo
- Sto Operating CompanyMar 2008 → Feb 2010 · 24 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-1-9113, documented in the API reference.