LEASES · O-1-16993 · OIL · DISTRICT 01
Lange E Efs
ReportingSilverbow Resources Oper, LLC · McMullen County · Eagleville (Eagle Ford-1) field
Lange E Efs is an RRC oil lease (O-1-16993) in Mcmullen County operated by Silverbow Resources Oper, LLC, with one well completed on it.
It has reported 56.8K barrels of oil and 850K mcf of gas since July 2013, last reporting volume in March 2026 (statewide data runs through April 2026).
The last 12 reported months total 382 barrels of oil, down 31% on the year before; the lease peaked at 4.16K barrels in February 2014.
2 operators have filed production on it, most recently Silverbow Resources Oper, LLC since July 2022.
- 56.8K
- bbl oil, all reported
- 850K
- mcf gas incl. casinghead
- 382
- bbl oil, last 12 reported
- -31%
- vs the 12 before
- 1
- wells completed on it
- 4.16K
- peak month, bbl (Feb 2014)
PDQ LEASE REPORTS · FIRST JUL 2013 · LAST VOLUME MAR 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 382 · prior 12 553(-31%)
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 10,331 · prior 12 11,427(-10%)
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.
- Sea Eagle Ford, LLCJul 2013 → Jun 2022 · 108 mo
- Silverbow Resources Oper, LLCJul 2022 → Jul 2026 · 49 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
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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