LEASES · O-10-40138 · OIL · DISTRICT 08
Kelton
ReportingCOG Operating LLC · Martin County · Spraberry (Trend Area) field
Kelton is an RRC oil lease (O-10-40138) in Martin County operated by Cog Operating LLC, with 5 wells completed on it.
It has reported 441K barrels of oil and 1.96M mcf of gas since April 2010, last reporting volume in April 2026 (statewide data runs through April 2026).
It reported 9.09K barrels of oil in the 12 months through April 2026, down 15% on the year before; the lease peaked at 16K barrels in March 2012.
3 operators have filed production on it, most recently Cog Operating LLC since August 2017.
- 441K
- bbl oil, all reported
- 1.96M
- mcf gas incl. casinghead
- 9.09K
- bbl oil, 12 months through Apr 2026
- -15%
- vs the 12 before
- 5
- wells completed on it
- 16K
- peak month, bbl (Mar 2012)
PDQ LEASE REPORTS · FIRST APR 2010 · 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 9,085 · prior 12 10,644(-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 78,018 · prior 12 71,132(+10%)
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.
- High Sky Partners LLCApr 2010 → May 2011 · 14 mo
- OXY USA Inc.Jun 2011 → Jul 2017 · 74 mo
- COG Operating LLCAug 2017 → Jul 2026 · 108 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
5
wells completed on the lease
- Producing
- 5
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-10-40138, documented in the API reference.