LEASES · O-8-30638 · OIL · DISTRICT 7B
Foster
ReportingDelta Oil & Gas Ltd. · Haskell County · Ley (Strawn 5560) field
Foster is an RRC oil lease (O-8-30638) in Haskell County operated by Delta Oil & Gas Ltd., with one well completed on it.
It has reported 7.43K barrels of oil and 131 mcf of gas since July 2010, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 130 barrels of oil, up 7% on the year before; the lease peaked at 226 barrels in October 2010.
2 operators have filed production on it, most recently Delta Oil & Gas Ltd. since December 2025.
- 7.43K
- bbl oil, all reported
- 131
- mcf gas incl. casinghead
- 130
- bbl oil, last 12 reported
- +7%
- vs the 12 before
- 1
- wells completed on it
- 226
- peak month, bbl (Oct 2010)
PDQ LEASE REPORTS · FIRST JUL 2010 · LAST VOLUME APR 2026 · 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 130 · prior 12 121(+7%)
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
Decline curve
None shown. Petrora fits an Arps curve only when the last ten years of oil reports follow one decline closely enough to project (R² of 0.7 or better over at least a year since the peak). This lease's recent history does not, so a projection would be a guess dressed as a number.
Who reported it
Each run of months one operator filed the production report, oldest first.
- Southlake Exploration, Inc.Jul 2010 → Nov 2025 · 185 mo
- Delta Oil & Gas Ltd.Dec 2025 → Jul 2026 · 8 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-8-30638, documented in the API reference.