LEASES · O-3-22555 · OIL · DISTRICT 03
Colley-Treybig Unit
ReportingMagnolia Oil & Gas Operating LLC · Burleson County · Giddings (Austin Chalk-3) field
Colley-Treybig Unit is an RRC oil lease (O-3-22555) in Burleson County operated by Magnolia Oil & Gas Operating LLC, with one well completed on it.
It has reported 457K barrels of oil and 530K mcf of gas since July 1994, last reporting volume in April 2026 (statewide data runs through April 2026).
It reported 6.33K barrels of oil in the 12 months through April 2026, down 15% on the year before; the lease peaked at 17.5K barrels in November 1994.
7 operators have filed production on it, most recently Magnolia Oil & Gas Operating LLC since December 2023.
- 457K
- bbl oil, all reported
- 530K
- mcf gas incl. casinghead
- 6.33K
- bbl oil, 12 months through Apr 2026
- -15%
- vs the 12 before
- 1
- wells completed on it
- 17.5K
- peak month, bbl (Nov 1994)
PDQ LEASE REPORTS · FIRST JUL 1994 · 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.
12 months through Apr 2026 6,329 · prior 12 7,445(-15%)
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.
12 months through Apr 2026 8,717 · prior 12 10,741(-19%)
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.
- Union Pacific Resources CompanyJul 1994 → Jan 2001 · 79 mo
- Rme Petroleum CompanyFeb 2001 → Nov 2002 · 22 mo
- Anadarko E&P Company LPDec 2002 → Dec 2012 · 121 mo
- Anadarko E&P Onshore LLCJan 2013 → Aug 2016 · 44 mo
- Treadstone Energy Prtnr OP, LLCSep 2016 → Nov 2021 · 63 mo
- LRR Pecos Valley, LLCDec 2021 → Nov 2023 · 24 mo
- Magnolia Oil & Gas Operating LLCDec 2023 → Jul 2026 · 32 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-3-22555, documented in the API reference.