LEASES · O-4-12504 · OIL · DISTRICT 04
Mann, W. C./Southers, R. L.
No volume since Dec 2015Duval Maple Leaf I, Inc. · Duval County · Edr (Cole) field
Mann, W. C./Southers, R. L. is an RRC oil lease (O-4-12504) in Duval County operated by Duval Maple Leaf I, Inc., with 3 wells completed on it.
It has reported 53.1K barrels of oil and 18.4K mcf of gas since October 1995, last reporting volume in December 2015 (statewide data runs through April 2026).
No volume was reported in the last 12 months; the last was in December 2015.
5 operators have filed production on it, most recently Duval Maple Leaf I, Inc. since November 2014.
- 53.1K
- bbl oil, all reported
- 18.4K
- mcf gas incl. casinghead
- 0
- bbl oil, last 12 reported
- —
- vs the 12 before
- 3
- wells completed on it
- 3.52K
- peak month, bbl (Dec 1996)
PDQ LEASE REPORTS · FIRST OCT 1995 · LAST VOLUME DEC 2015 · 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.
- EL Dorado Resources Inc.Oct 1995 → Aug 1998 · 35 mo
- Cimarron Engineering Corp.Sep 1998 → Jan 2011 · 149 mo
- Discovery Petroleum, L.L.C.Feb 2011 → Jun 2013 · 29 mo
- Inceptus Operations, LLCJul 2013 → Oct 2014 · 16 mo
- Duval Maple Leaf I, Inc.Nov 2014 → Jul 2026 · 141 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
3
wells completed on the lease
- Plugged
- 3
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-4-12504, documented in the API reference.