LEASES · O-13-23845 · OIL · DISTRICT 09
Sanzenbacher "F"
ReportingWillowbend Investments, Inc. · Clay County · Lutz (Strawn) field
Sanzenbacher "F" is an RRC oil lease (O-13-23845) in Clay County operated by Willowbend Investments, Inc., with 4 wells completed on it.
It has reported 158K barrels of oil and 93.8K mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 249 barrels of oil, down 91% on the year before; the lease peaked at 2.3K barrels in May 2009.
3 operators have filed production on it, most recently Willowbend Investments, Inc. since August 2009.
- 158K
- bbl oil, all reported
- 93.8K
- mcf gas incl. casinghead
- 249
- bbl oil, last 12 reported
- -91%
- vs the 12 before
- 4
- wells completed on it
- 2.3K
- peak month, bbl (May 2009)
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 249 · prior 12 2,627(-91%)
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 36 · prior 12 35(+3%)
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.
- Burns OperatingJan 1993 → Sep 1998 · 69 mo
- Burns Operating LLCOct 1998 → Jul 2009 · 130 mo
- Willowbend Investments, Inc.Aug 2009 → Jul 2026 · 204 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
4
wells completed on the lease
- NO Type on File
- 2
- Plugged
- 1
- Producing
- 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.
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