LEASES · O-10-43578 · OIL · DISTRICT 08

Lion State

Reporting

U.S. Energy Development Corp · Reeves County · Wolfbone (Trend Area) field

Lion State is an RRC oil lease (O-10-43578) in Reeves County operated by U.S. Energy Development Corp, with 2 wells completed on it.

It has reported 679K barrels of oil and 921K mcf of gas since July 2012, last reporting volume in April 2026 (statewide data runs through April 2026).

The last 12 reported months total 17K barrels of oil, down 15% on the year before; the lease peaked at 37.7K barrels in August 2014.

2 operators have filed production on it, most recently U.S. Energy Development Corp since April 2025.

679K
bbl oil, all reported
921K
mcf gas incl. casinghead
17K
bbl oil, last 12 reported
-15%
vs the 12 before
2
wells completed on it
37.7K
peak month, bbl (Aug 2014)

PDQ LEASE REPORTS · FIRST JUL 2012 · 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 16,986 · prior 12 19,915(-15%)

05K10K2017201820192020202120222023202420252026

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 26,849 · prior 12 22,324(+20%)

010K20K2017201820192020202120222023202420252026

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.

  1. COG Operating LLCJul 2012 → Mar 2025 · 153 mo
  2. U.S. Energy Development CorpApr 2025 → Jul 2026 · 16 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

2

wells completed on the lease

Producing
2

Newest permits

All 2 wells, searchable →

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-10-43578, documented in the API reference.