LEASES · O-1-15508 · OIL · DISTRICT 01
Rally Eagle
ReportingMueller Exploration, Inc. · Frio County · Briscoe Ranch (Eagleford) field
Rally Eagle is an RRC oil lease (O-1-15508) in Frio County operated by Mueller Exploration, Inc., with one well completed on it.
It has reported 129K barrels of oil and 274K mcf of gas since May 2011, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 2.38K barrels of oil, down 21% on the year before; the lease peaked at 12.9K barrels in May 2011.
4 operators have filed production on it, most recently Mueller Exploration, Inc. since June 2026.
- 129K
- bbl oil, all reported
- 274K
- mcf gas incl. casinghead
- 2.38K
- bbl oil, last 12 reported
- -21%
- vs the 12 before
- 1
- wells completed on it
- 12.9K
- peak month, bbl (May 2011)
PDQ LEASE REPORTS · FIRST MAY 2011 · 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 2,382 · prior 12 3,020(-21%)
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 11,641 · prior 12 576(+1921%)
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.
- U.S. Enercorp, Ltd.May 2011 → Mar 2016 · 59 mo
- Mueller Exploration, Inc.Apr 2016 → Mar 2025 · 108 mo
- Silver Anchor Resources LLCApr 2025 → May 2026 · 14 mo
- Mueller Exploration, Inc.Jun 2026 → Jul 2026 · 2 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-1-15508, documented in the API reference.