LEASES · O-4-12337 · OIL · DISTRICT 04
Shaeffer Ranch
No volume since May 2010Slawson Exploration Company, Inc · Jim Wells County · Amargosa (6100 Sd.) field
Shaeffer Ranch is an RRC oil lease (O-4-12337) in Jim Wells County operated by Slawson Exploration Company, Inc, with one well completed on it.
It has reported 3.65K barrels of oil and 4.69K mcf of gas since April 1994, last reporting volume in May 2010 (statewide data runs through April 2026).
No volume was reported in the last 12 months; the last was in May 2010.
3 operators have filed production on it, most recently Slawson Exploration Company, Inc since July 1997.
- 3.65K
- bbl oil, all reported
- 4.69K
- mcf gas incl. casinghead
- 0
- bbl oil, last 12 reported
- -100%
- vs the 12 before
- 1
- wells completed on it
- 941
- peak month, bbl (Nov 1994)
PDQ LEASE REPORTS · FIRST APR 1994 · LAST VOLUME MAY 2010 · 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 12 192(-100%)
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 362 · prior 12 619(-42%)
Who reported it
Each run of months one operator filed the production report, oldest first.
- Moose Oil & Gas Co.Apr 1994 → Sep 1995 · 18 mo
- Moose Operating Co., Inc.Oct 1995 → Jun 1997 · 21 mo
- Slawson Exploration Company, IncJul 1997 → Oct 2010 · 160 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-4-12337, documented in the API reference.