LEASES · O-8-31031 · OIL · DISTRICT 7B
County Line South
ReportingCholla Petroleum, Inc. · Nolan County · Hollins (Penn. Sand) field
County Line South is an RRC oil lease (O-8-31031) in Nolan County operated by Cholla Petroleum, Inc., with 5 wells completed on it.
It has reported 51.9K barrels of oil and 229K mcf of gas since June 2012, last reporting volume in March 2026 (statewide data runs through April 2026).
The last 12 reported months total 655 barrels of oil, down 16% on the year before; the lease peaked at 2.35K barrels in May 2013.
3 operators have filed production on it, most recently Cholla Petroleum, Inc. since January 2018.
- 51.9K
- bbl oil, all reported
- 229K
- mcf gas incl. casinghead
- 655
- bbl oil, last 12 reported
- -16%
- vs the 12 before
- 5
- wells completed on it
- 2.35K
- peak month, bbl (May 2013)
PDQ LEASE REPORTS · FIRST JUN 2012 · LAST VOLUME MAR 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 655 · prior 12 776(-16%)
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 1,100 · prior 12 2,984(-63%)
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.
- L.C.S. Production CompanyJun 2012 → Aug 2014 · 27 mo
- Mid-Con Energy Operating, LLCSep 2014 → Dec 2017 · 40 mo
- Cholla Petroleum, Inc.Jan 2018 → Jul 2026 · 103 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
5
wells completed on the lease
- Partial Plug
- 2
- Producing
- 1
- Not on Schedule
- 1
- Injection
- 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-8-31031, documented in the API reference.