LEASES · O-4-12412 · OIL · DISTRICT 04
Sullivan, D.J. "B"
No volume since Jul 1998Costilla Energy, Inc. · Brooks County · Pita (D-5-U) field
Sullivan, D.J. "B" is an RRC oil lease (O-4-12412) in Brooks County operated by Costilla Energy, Inc., with 2 wells completed on it.
It has reported 26.2K barrels of oil and 115K mcf of gas since September 1994, last reporting volume in July 1998 (statewide data runs through April 2026).
The last 12 reported months total 1.47K barrels of oil, down 40% on the year before; the lease peaked at 1.9K barrels in October 1994.
3 operators have filed production on it, most recently Costilla Energy, Inc. since February 1998.
- 26.2K
- bbl oil, all reported
- 115K
- mcf gas incl. casinghead
- 1.47K
- bbl oil, last 12 reported
- -40%
- vs the 12 before
- 2
- wells completed on it
- 1.9K
- peak month, bbl (Oct 1994)
PDQ LEASE REPORTS · FIRST SEP 1994 · LAST VOLUME JUL 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 1,465 · prior 12 2,426(-40%)
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 3,271 · prior 12 14,278(-77%)
Who reported it
Each run of months one operator filed the production report, oldest first.
- Headington Oil CompanySep 1994 → May 1996 · 21 mo
- Manti Operating CompanyJun 1996 → Jan 1998 · 20 mo
- Costilla Energy, Inc.Feb 1998 → Mar 1999 · 14 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
2
wells completed on the lease
- NO Type on File
- 2
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-4-12412, documented in the API reference.