Petrora

LEASES · O-13-7989 · OIL · DISTRICT 09

Johnson

Reporting

WB Mullin Operating LLC · Langston-Kleiner (Strawn) field

Johnson is an RRC oil lease (O-13-7989) in the Langston-Kleiner (Strawn) field operated by WB Mullin Operating LLC, with 4 wells completed on it.

It has reported 11.7K barrels of oil and 20 mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).

The last 12 reported months total 80 barrels of oil, down 86% on the year before; the lease peaked at 133 barrels in May 2024.

4 operators have filed production on it, most recently WB Mullin Operating LLC since April 2021.

11.7K
bbl oil, all reported
20
mcf gas incl. casinghead
80
bbl oil, last 12 reported
-86%
vs the 12 before
4
wells completed on it
133
peak month, bbl (May 2024)

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 80 · prior 12 579(-86%)

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 0 · prior 12 0

012017201820192020202120222023202420252026

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. Walsh & Watts, Inc.Jan 1993 → Nov 1993 · 11 mo
  2. Ellard, HermanDec 1993 → Feb 2005 · 135 mo
  3. Ellard OilMar 2005 → Mar 2021 · 193 mo
  4. WB Mullin Operating LLCApr 2021 → Jul 2026 · 64 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

4

wells completed on the lease

Producing
2
Shut IN
2

Operates them now

WB Mullin Operating LLC
4

Newest permits

  • — #1—
  • — #2—
  • — #3—
  • — #4—

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-13-7989, documented in the API reference.