LEASES · O-13-30891 · OIL · DISTRICT 09
Mansfield "B"
ReportingExtech Operating, LLC · Wise County · Younger, W (Caddo Congl. LO F) field
Mansfield "B" is an RRC oil lease (O-13-30891) in Wise County operated by Extech Operating, LLC, with one well completed on it.
It has reported 1.01K barrels of oil and 282K mcf of gas since November 2007, last reporting volume in June 2025 (statewide data runs through April 2026).
No volume was reported in the last 12 months; the last was in June 2025.
3 operators have filed production on it, most recently Extech Operating, LLC since January 2020.
- 1.01K
- bbl oil, all reported
- 282K
- mcf gas incl. casinghead
- 0
- bbl oil, last 12 reported
- —
- vs the 12 before
- 1
- wells completed on it
- 120
- peak month, bbl (Nov 2007)
PDQ LEASE REPORTS · FIRST NOV 2007 · LAST VOLUME JUN 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 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 469 · prior 12 2,738(-83%)
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.
- Glen D. Gonzenbach, LLCNov 2007 → Dec 2016 · 110 mo
- Gonzenbach Oil & Gas, LLCJan 2017 → Dec 2019 · 36 mo
- Extech Operating, LLCJan 2020 → Nov 2025 · 71 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.
Developers: this page as JSON is GET /v1/data/leases/tx/o-13-30891, documented in the API reference.