LEASES · O-9-14133 · OIL · DISTRICT 7C
Knolle, Olga
ReportingSahara Operating Company · Reagan County · Spraberry (Trend Area) field
Knolle, Olga is an RRC oil lease (O-9-14133) in Reagan County operated by Sahara Operating Company, with 4 wells completed on it.
It has reported 37.7K barrels of oil and 169K mcf of gas since November 1995, last reporting volume in December 2025 (statewide data runs through April 2026).
The last 12 reported months total 181 barrels of oil, down 20% on the year before; the lease peaked at 446 barrels in October 1996.
3 operators have filed production on it, most recently Sahara Operating Company since April 2004.
- 37.7K
- bbl oil, all reported
- 169K
- mcf gas incl. casinghead
- 181
- bbl oil, last 12 reported
- -20%
- vs the 12 before
- 4
- wells completed on it
- 446
- peak month, bbl (Oct 1996)
PDQ LEASE REPORTS · FIRST NOV 1995 · LAST VOLUME DEC 2025 · 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 181 · prior 12 225(-20%)
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.
- Sahara Operating CompanyNov 1995 → Jun 1996 · 8 mo
- Quay Valley, Inc.Jul 1996 → Mar 2004 · 93 mo
- Sahara Operating CompanyApr 2004 → Jul 2026 · 268 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
4
wells completed on the lease
- Plugged
- 3
- NO Type on File
- 1
Operates them now
Newest permits
- 38332001 #5Jul 3, 1981
- — #1—
- — #3—
- — #4—
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-9-14133, documented in the API reference.