LEASES · O-1-10408 · OIL · DISTRICT 01
Horton -A-(amax)
ReportingGTG Operating, LLC · McMullen County · A.W.P. (Olmos) field
Horton -A-(Amax) is an RRC oil lease (O-1-10408) in Mcmullen County operated by Gtg Operating, LLC, with one well completed on it.
It has reported 27.9K barrels of oil and 19.2K mcf of gas since January 1993, last reporting volume in August 2025 (statewide data runs through April 2026).
The last 12 reported months total 10 barrels of oil; the lease peaked at 405 barrels in November 1996.
7 operators have filed production on it, most recently Gtg Operating, LLC since May 2020.
- 27.9K
- bbl oil, all reported
- 19.2K
- mcf gas incl. casinghead
- 10
- bbl oil, last 12 reported
- —
- vs the 12 before
- 1
- wells completed on it
- 405
- peak month, bbl (Nov 1996)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME AUG 2025 · 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 10 · prior 12 6(+67%)
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.
- American Exploration CompanyJan 1993 → Sep 1996 · 45 mo
- Welhausen Operating Co., Inc.Oct 1996 → Oct 2001 · 61 mo
- Welhausen Operating Company, LPNov 2001 → Dec 2011 · 122 mo
- Layline Petroleum I, LLCJan 2012 → May 2013 · 17 mo
- Wapiti Operating, LLCJun 2013 → Mar 2015 · 22 mo
- Clearly Petroleum, LLCApr 2015 → Apr 2020 · 61 mo
- GTG Operating, LLCMay 2020 → Jul 2026 · 75 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-1-10408, documented in the API reference.