LEASES · O-1-10388 · OIL · DISTRICT 01

Mehaffey

Reporting

Rusk Energy Operating LLC · Milam County · Ginny Johnson (Navarro A) field

Mehaffey is an RRC oil lease (O-1-10388) in Milam County operated by Rusk Energy Operating LLC, with 4 wells completed on it.

It has reported 34.4K barrels of oil and 51.8K mcf of gas since January 1993, last reporting volume in August 2025 (statewide data runs through April 2026).

The last 12 reported months total 86 barrels of oil, down 58% on the year before; the lease peaked at 301 barrels in September 1995.

5 operators have filed production on it, most recently Rusk Energy Operating LLC since February 2025.

34.4K
bbl oil, all reported
51.8K
mcf gas incl. casinghead
86
bbl oil, last 12 reported
-58%
vs the 12 before
4
wells completed on it
301
peak month, bbl (Sep 1995)

PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME AUG 2025 · 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 86 · prior 12 204(-58%)

0501001502017201820192020202120222023202420252026

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 52 · prior 12 499(-90%)

02004002017201820192020202120222023202420252026

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. Leonard, J. A.Jan 1993 → Jan 1996 · 37 mo
  2. Ferguson-Burns Leasing Co.Feb 1996 → Oct 2007 · 141 mo
  3. Viceroy Petroleum GP, LLCNov 2007 → Feb 2010 · 28 mo
  4. Viceroy Petroleum, LPMar 2010 → Jan 2025 · 179 mo
  5. Rusk Energy Operating LLCFeb 2025 → Jul 2026 · 18 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

4

wells completed on the lease

Producing
3
NO Type on File
1

Newest permits

All 4 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-1-10388, documented in the API reference.