LEASES · O-3-13175 · OIL · DISTRICT 03
Mahlmann Heirs
ReportingKZ Global Energy, LLC · Fort Bend County · Big Creek field
Mahlmann Heirs is an RRC oil lease (O-3-13175) in Fort Bend County operated by KZ Global Energy, LLC, with 2 wells completed on it.
It has reported 6.46K barrels of oil and 101 mcf of gas since January 1993, last reporting volume in March 2026 (statewide data runs through April 2026).
The last 12 reported months total 35 barrels of oil; the lease peaked at 279 barrels in March 1993.
12 operators have filed production on it, most recently KZ Global Energy, LLC since August 2022.
- 6.46K
- bbl oil, all reported
- 101
- mcf gas incl. casinghead
- 35
- bbl oil, last 12 reported
- —
- vs the 12 before
- 2
- wells completed on it
- 279
- peak month, bbl (Mar 1993)
PDQ LEASE REPORTS · FIRST JAN 1993 · 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 35 · prior 12 15(+133%)
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
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.
- Black Gold Operating Co., Inc.Jan 1993 → Feb 1993 · 2 mo
- Clipper Operating Co., Inc.Mar 1993 → Dec 1996 · 46 mo
- Property Development Group, Inc.Jan 1997 → Mar 2005 · 99 mo
- Daniel Explorations IncApr 2005 → Apr 2006 · 13 mo
- Lucas Energy, Inc.May 2006 → Nov 2006 · 7 mo
- Rockwell Energy, LLCDec 2006 → Apr 2008 · 17 mo
- Proex Energy Management, L.L.C.May 2008 → May 2008 · 1 mo
- Hamman Oil & Refining CompanyJun 2008 → Apr 2013 · 59 mo
- Property Development Group, Inc.May 2013 → May 2017 · 49 mo
- Red Shell IncJun 2017 → Jul 2018 · 14 mo
- Conel Resources, LLCAug 2018 → Jul 2022 · 48 mo
- KZ Global Energy, LLCAug 2022 → Jul 2026 · 48 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
2
wells completed on the lease
- Injection
- 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-3-13175, documented in the API reference.