Petrora

LEASES · G-2-288629 · GAS · DISTRICT 02

Kowalik 228-1R AC

Reporting

Marathon Oil EF LLC · Karnes County · Sugarkane (Austin Chalk) field

Kowalik 228-1r AC is an RRC gas lease (G-2-288629) in Karnes County operated by Marathon Oil EF LLC, with one well completed on it.

It has reported 264K mcf of gas since November 2015, last reporting volume in July 2025 (statewide data runs through April 2026).

The last 12 reported months total 1.53K mcf of gas.

264K
mcf gas, all reported
0
bbl condensate and oil
1.53K
mcf gas, last 12 reported
—
vs the 12 before
1
wells completed on it
—
peak month, bbl

PDQ LEASE REPORTS · FIRST NOV 2015 · LAST VOLUME JUL 2025 · STATEWIDE DATA THROUGH APR 2026

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 1,525 · prior 12 6,476(-76%)

05K10K2017201820192020202120222023202420252026

Decline curve
None shown. Petrora fits an Arps curve only when the last ten years of gas 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. Marathon Oil EF LLCNov 2015 → Jul 2026 · 129 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

1

wells completed on the lease

NO Type on File
1

Operates them now

Marathon Oil EF LLC
1

Newest permits

All 1 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/g-2-288629, documented in the API reference.