LEASES · O-3-13687 · OIL · DISTRICT 03
Cleopatra Unit I
ReportingMagnolia Oil & Gas Operating LLC · Lee County · Giddings (Austin Chalk-3) field
Cleopatra Unit I is an RRC oil lease (O-3-13687) in Lee County operated by Magnolia Oil & Gas Operating LLC, with 3 wells completed on it.
It has reported 180K barrels of oil and 2.13M mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 3.85K barrels of oil, down 36% on the year before; the lease peaked at 15.9K barrels in July 1997.
8 operators have filed production on it, most recently Magnolia Oil & Gas Operating LLC since August 2018.
- 180K
- bbl oil, all reported
- 2.13M
- mcf gas incl. casinghead
- 3.85K
- bbl oil, last 12 reported
- -36%
- vs the 12 before
- 3
- wells completed on it
- 15.9K
- peak month, bbl (Jul 1997)
PDQ LEASE REPORTS · FIRST JAN 1993 · 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 3,850 · prior 12 5,981(-36%)
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 60,624 · prior 12 75,916(-20%)
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.
- CRM Energy, Inc.Jan 1993 → Jul 1996 · 43 mo
- Union Pacific Resources CompanyAug 1996 → Mar 1997 · 8 mo
- Union Pacific Austin Chalk Co.Apr 1997 → Jan 2001 · 46 mo
- Rme Austin Chalk CompanyFeb 2001 → Nov 2002 · 22 mo
- Anadarko Austin Chalk CompanyDec 2002 → Feb 2006 · 39 mo
- Anadarko E&P Company LPMar 2006 → Aug 2007 · 18 mo
- Enervest Operating, L.L.C.Sep 2007 → Jul 2018 · 131 mo
- Magnolia Oil & Gas Operating LLCAug 2018 → Jul 2026 · 96 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
3
wells completed on the lease
- Producing
- 2
- Not on Schedule
- 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-3-13687, documented in the API reference.