LEASES · O-3-1631 · OIL · DISTRICT 03
Stewart, Maco -a- 300
ReportingGcows Operating LLC · Galveston County · Gillock (Big Gas) field
Stewart, Maco -A- 300 is an RRC oil lease (O-3-1631) in Galveston County operated by Gcows Operating LLC, with 9 wells completed on it.
It has reported 1.02M barrels of oil and 243K mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 42.5K barrels of oil, up 23% on the year before; the lease peaked at 8.64K barrels in January 1993.
7 operators have filed production on it, most recently Gcows Operating LLC since April 2024.
- 1.02M
- bbl oil, all reported
- 243K
- mcf gas incl. casinghead
- 42.5K
- bbl oil, last 12 reported
- +23%
- vs the 12 before
- 9
- wells completed on it
- 8.64K
- peak month, bbl (Jan 1993)
PDQ LEASE REPORTS · FIRST JAN 1993 · 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 42,475 · prior 12 34,577(+23%)
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.
- MW Petroleum CorporationJan 1993 → Mar 1998 · 63 mo
- Tri-Union Development Corp.Apr 1998 → Oct 2004 · 79 mo
- Texcal Energy (GP) LLCNov 2004 → Oct 2006 · 24 mo
- Smith Energy 1986A PartnershipNov 2006 → Nov 2006 · 1 mo
- Denbury Onshore, LLCDec 2006 → Dec 2013 · 85 mo
- Sawtooth Operating Co., Inc.Jan 2014 → Mar 2024 · 123 mo
- Gcows Operating LLCApr 2024 → Jul 2026 · 28 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
9
wells completed on the lease
- Producing
- 3
- NO Type on File
- 2
- Injection
- 2
- Shut IN
- 1
- Plugged
- 1
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-3-1631, documented in the API reference.