LEASES · O-9-15589 · OIL · DISTRICT 7C
Dierschke
ReportingCazar Energy Inc · Concho County · Millersview, W. (Camar Sd.) field
Dierschke is an RRC oil lease (O-9-15589) in Concho County operated by Cazar Energy Inc, with 3 wells completed on it.
It has reported 18.6K barrels of oil and 3.43K mcf of gas since September 2004, last reporting volume in February 2026 (statewide data runs through April 2026).
The last 12 reported months total 97 barrels of oil, down 43% on the year before; the lease peaked at 460 barrels in September 2004.
3 operators have filed production on it, most recently Cazar Energy Inc since November 2010.
- 18.6K
- bbl oil, all reported
- 3.43K
- mcf gas incl. casinghead
- 97
- bbl oil, last 12 reported
- -43%
- vs the 12 before
- 3
- wells completed on it
- 460
- peak month, bbl (Sep 2004)
PDQ LEASE REPORTS · FIRST SEP 2004 · LAST VOLUME FEB 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 97 · prior 12 169(-43%)
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.
- Guffey, Wm. R.Sep 2004 → Feb 2010 · 66 mo
- Damron EnergyMar 2010 → Oct 2010 · 8 mo
- Cazar Energy IncNov 2010 → Jul 2026 · 189 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
3
wells completed on the lease
- NO Production
- 2
- NO Type on File
- 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-9-15589, documented in the API reference.