LEASES · O-8-19506 · OIL · DISTRICT 7B
Armstrong, L. P.
ReportingCpmak Investments, Inc. · Brown County · Cassell (Fry) field
Armstrong, L. P. is an RRC oil lease (O-8-19506) in Brown County operated by Cpmak Investments, Inc., with 8 wells completed on it.
It has reported 6.4K barrels of oil and 5 mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 14 barrels of oil; the lease peaked at 153 barrels in March 2005.
4 operators have filed production on it, most recently Cpmak Investments, Inc. since April 2017.
- 6.4K
- bbl oil, all reported
- 5
- mcf gas incl. casinghead
- 14
- bbl oil, last 12 reported
- —
- vs the 12 before
- 8
- wells completed on it
- 153
- peak month, bbl (Mar 2005)
PDQ LEASE REPORTS · FIRST JAN 1993 · 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 14 · prior 12 14(+0%)
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.
- Spartan Oil CorporationJan 1993 → Aug 1995 · 32 mo
- Klingberg, RogerSep 1995 → Apr 2010 · 176 mo
- KLH Oil & Gas, Inc.May 2010 → Mar 2017 · 83 mo
- Cpmak Investments, Inc.Apr 2017 → Jul 2026 · 112 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
8
wells completed on the lease
- Producing
- 5
- Injection
- 2
- Plugged
- 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-8-19506, documented in the API reference.