LEASES · O-3-21358 · OIL · DISTRICT 03
Mary Walker Unit
No volume since Apr 2012Magnolia Oil & Gas Operating LLC · Brazos County · Giddings (Austin Chalk-3) field
Mary Walker Unit is an RRC oil lease (O-3-21358) in Brazos County operated by Magnolia Oil & Gas Operating LLC, with one well completed on it.
It has reported 52.6K barrels of oil and 376K mcf of gas since January 1993, last reporting volume in April 2012 (statewide data runs through April 2026).
No volume was reported in the last 12 months; the last was in April 2012.
5 operators have filed production on it, most recently Magnolia Oil & Gas Operating LLC since August 2018.
- 52.6K
- bbl oil, all reported
- 376K
- mcf gas incl. casinghead
- 0
- bbl oil, last 12 reported
- —
- vs the 12 before
- 1
- wells completed on it
- 3.48K
- peak month, bbl (Jan 1993)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME APR 2012 · 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.
- Union Pacific Resources CompanyJan 1993 → Jan 2001 · 97 mo
- Rme Petroleum CompanyFeb 2001 → Nov 2002 · 22 mo
- Anadarko E&P Company LPDec 2002 → Jul 2007 · 56 mo
- Enervest Operating, L.L.C.Aug 2007 → Jul 2018 · 132 mo
- Magnolia Oil & Gas Operating LLCAug 2018 → Jan 2023 · 54 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-3-21358, documented in the API reference.