LEASES · O-10-34866 · OIL · DISTRICT 08
Millar, L. H.etal
ReportingOlsen Energy Inc. · Pecos County · Wentz (Cambrian SE) field
Millar, L. H.Etal is an RRC oil lease (O-10-34866) in Pecos County operated by Olsen Energy Inc., with 2 wells completed on it.
It has reported 110K barrels of oil and 249K mcf of gas since February 1996, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 655 barrels of oil, up 15% on the year before; the lease peaked at 2.69K barrels in September 2007.
5 operators have filed production on it, most recently Olsen Energy Inc. since January 2007.
- 110K
- bbl oil, all reported
- 249K
- mcf gas incl. casinghead
- 655
- bbl oil, last 12 reported
- +15%
- vs the 12 before
- 2
- wells completed on it
- 2.69K
- peak month, bbl (Sep 2007)
PDQ LEASE REPORTS · FIRST FEB 1996 · 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 655 · prior 12 568(+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.
Last 12 months 4 · 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.
- Chevron U. S. A. Inc.Feb 1996 → Aug 1999 · 43 mo
- Belco Energy Corp.Sep 1999 → Feb 2002 · 30 mo
- Westport Oil and Gas Company, LPMar 2002 → Feb 2006 · 48 mo
- Kerr-McGee Oil & Gas Onshore LPMar 2006 → Dec 2006 · 10 mo
- Olsen Energy Inc.Jan 2007 → Jul 2026 · 235 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
2
wells completed on the lease
- Producing
- 1
- Not on Schedule
- 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-10-34866, documented in the API reference.