LEASES · O-10-40166 · OIL · DISTRICT 08
Mallard 23
ReportingCrescent Energy Operating, LLC · Glasscock County · Spraberry (Trend Area) field
Mallard 23 is an RRC oil lease (O-10-40166) in Glasscock County operated by Crescent Energy Operating, LLC, with 3 wells completed on it.
It has reported 94.5K barrels of oil and 1M mcf of gas since February 2010, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 791 barrels of oil, down 42% on the year before; the lease peaked at 4.55K barrels in May 2012.
7 operators have filed production on it, most recently Crescent Energy Operating, LLC since January 2026.
- 94.5K
- bbl oil, all reported
- 1M
- mcf gas incl. casinghead
- 791
- bbl oil, last 12 reported
- -42%
- vs the 12 before
- 3
- wells completed on it
- 4.55K
- peak month, bbl (May 2012)
PDQ LEASE REPORTS · FIRST FEB 2010 · LAST VOLUME APR 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 791 · prior 12 1,354(-42%)
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 33,189 · prior 12 36,967(-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.
- Crownquest Operating, LLCFeb 2010 → Jan 2017 · 84 mo
- DE Operating LLCFeb 2017 → Apr 2017 · 3 mo
- Parsley Energy Operations, LLCMay 2017 → Jan 2021 · 45 mo
- Pioneer Natural Res. USA, Inc.Feb 2021 → Oct 2021 · 9 mo
- Laredo Petroleum, Inc.Nov 2021 → Jan 2023 · 15 mo
- Vital Energy, Inc.Feb 2023 → Dec 2025 · 35 mo
- Crescent Energy Operating, LLCJan 2026 → Jul 2026 · 7 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
3
wells completed on the lease
- Not on Schedule
- 1
- Plugged
- 1
- Producing
- 1
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-10-40166, documented in the API reference.