LEASES · O-10-36089 · OIL · DISTRICT 08

Jars, Cowden

Reporting

Occidental Permian Ltd. · Ector County · Jars (Ellenburger) field

Jars, Cowden is an RRC oil lease (O-10-36089) in Ector County operated by Occidental Permian Ltd., with 2 wells completed on it.

It has reported 240K barrels of oil and 95.3K mcf of gas since August 1999, last reporting volume in September 2025 (statewide data runs through April 2026).

The last 12 reported months total 62 barrels of oil, down 83% on the year before; the lease peaked at 12.5K barrels in February 2000.

2 operators have filed production on it, most recently Occidental Permian Ltd. since May 2000.

240K
bbl oil, all reported
95.3K
mcf gas incl. casinghead
62
bbl oil, last 12 reported
-83%
vs the 12 before
2
wells completed on it
12.5K
peak month, bbl (Feb 2000)

PDQ LEASE REPORTS · FIRST AUG 1999 · LAST VOLUME SEP 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 62 · prior 12 367(-83%)

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 128 · prior 12 662(-81%)

05001K1.5K2017201820192020202120222023202420252026

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. Altura Energy Ltd.Aug 1999 → Apr 2000 · 9 mo
  2. Occidental Permian Ltd.May 2000 → Jul 2026 · 315 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

2

wells completed on the lease

NO Type on File
1
Shut IN
1

Operates them now

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-10-36089, documented in the API reference.