LEASES · O-10-12558 · OIL · DISTRICT 08
Mangaslag-TXL
No volume since Mar 2016Shell Western E&P · Grice (Delaware) field
Mangaslag-Txl is an RRC oil lease (O-10-12558) in the Grice (Delaware) field operated by Shell Western E&P, with 2 wells completed on it.
It has reported 49K barrels of oil and 120K mcf of gas since January 1993, last reporting volume in March 2016 (statewide data runs through April 2026).
No volume was reported in the last 12 months; the last was in March 2016.
5 operators have filed production on it, most recently Shell Western E&P since October 2012.
- 49K
- bbl oil, all reported
- 120K
- mcf gas incl. casinghead
- 0
- bbl oil, last 12 reported
- —
- vs the 12 before
- 2
- wells completed on it
- 407
- peak month, bbl (Jun 2007)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME MAR 2016 · 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.
- Bass Enterprises Production Co.Jan 1993 → Mar 1996 · 39 mo
- Laguna Petroleum CorporationApr 1996 → Sep 2002 · 78 mo
- Permian Resources, Inc.Oct 2002 → Apr 2004 · 19 mo
- Chesapeake Operating, Inc.May 2004 → Sep 2012 · 101 mo
- Shell Western E&POct 2012 → Dec 2021 · 111 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-10-12558, documented in the API reference.