LEASES · O-2-10523 · OIL · DISTRICT 02
Musselman Unit B
Ensign Natural Resources II LLC · De Witt County · Eagleville (Eagle Ford-2) field
Musselman Unit B is an RRC oil lease (O-2-10523) in De Witt County operated by Ensign Natural Resources II LLC, with one well completed on it.
It has reported 196K barrels of oil and 648K mcf of gas since July 2013, last reporting volume in August 2026 (statewide data runs through August 2026).
It reported 1.61K barrels of oil in the 12 months through August 2026, up 4% on the year before; the lease peaked at 13.2K barrels in October 2013.
2 operators have filed production on it, most recently Ensign Natural Resources II LLC since September 2026.
- 196K
- bbl oil, all reported
- 648K
- mcf gas incl. casinghead
- 1.61K
- bbl oil, 12 months through Aug 2026
- +4%
- vs the 12 before
- 1
- wells completed on it
- 13.2K
- peak month, bbl (Oct 2013)
PDQ LEASE REPORTS · FIRST JUL 2013 · LAST VOLUME AUG 2026 · STATEWIDE DATA THROUGH AUG 2026
Oil by month
Barrels reported on Form PR for the whole lease. The latest months are revised upward as late reports arrive.
12 months through Aug 2026 1,605 · prior 12 1,538(+4%)
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.
12 months through Aug 2026 5,235 · prior 12 5,369(-2%)
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, with what it reported in them.
- Burlington Resources O & G Co LPFeb 2013 → Aug 2026 · 163 mo196K bbl oil · 648K mcf gas
- Ensign Natural Resources II LLCSep 2026 → Nov 2026 · 3 mo0 bbl oil · 0 mcf gas
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 Aug 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-2-10523, documented in the API reference.