LEASES · O-1-6859 · OIL · DISTRICT 01
Gambrell, W.M. -A-
No volume since Jun 1996Chessher, Otto Drilling Company · Guadalupe County · Dunlap field
Gambrell, W.M. -A- is an RRC oil lease (O-1-6859) in Guadalupe County operated by Chessher, Otto Drilling Company, with 2 wells completed on it.
It has reported 1.16K barrels of oil and 496 mcf of gas since January 1993, last reporting volume in June 1996 (statewide data runs through April 2026).
No volume was reported in the last 12 months; the last was in June 1996.
2 operators have filed production on it, most recently Chessher, Otto Drilling Company since August 2001.
- 1.16K
- bbl oil, all reported
- 496
- mcf gas incl. casinghead
- 0
- bbl oil, last 12 reported
- —
- vs the 12 before
- 2
- wells completed on it
- 234
- peak month, bbl (Apr 1995)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME JUN 1996 · 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 0 · prior 12 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
Who reported it
Each run of months one operator filed the production report, oldest first.
- Staffa, Dottie R.Jan 1993 → Jul 2001 · 103 mo
- Chessher, Otto Drilling CompanyAug 2001 → Nov 2001 · 4 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
2
wells completed on the lease
- NO Type on File
- 2
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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