LEASES · O-8-6610 · OIL · DISTRICT 7B
Brock Unit
No volume since Sep 1998Expanding Energy Corporation · Callahan County · Brock (Cook Sand) field
Brock Unit is an RRC oil lease (O-8-6610) in Callahan County operated by Expanding Energy Corporation, with 5 wells completed on it.
It has reported 1.82K barrels of oil and 48 mcf of gas since January 1993, last reporting volume in September 1998 (statewide data runs through April 2026).
No volume was reported in the last 12 months; the last was in September 1998.
3 operators have filed production on it, most recently Expanding Energy Corporation since January 1997.
- 1.82K
- bbl oil, all reported
- 48
- mcf gas incl. casinghead
- 0
- bbl oil, last 12 reported
- —
- vs the 12 before
- 5
- wells completed on it
- 93
- peak month, bbl (Dec 1996)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME SEP 1998 · 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.
- Zero Oil CompanyJan 1993 → Oct 1995 · 34 mo
- American EnergyNov 1995 → Dec 1996 · 14 mo
- Expanding Energy CorporationJan 1997 → Mar 2008 · 135 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
5
wells completed on the lease
- Plugged
- 5
Operates them now
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-8-6610, documented in the API reference.