LEASES · O-2-11607 · OIL · DISTRICT 02

CRH Unit AC

Reporting

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

Crh Unit AC is an RRC oil lease (O-2-11607) in Karnes County operated by Marathon Oil EF LLC, with 2 wells completed on it.

It has reported 803K barrels of oil and 2.18M mcf of gas since October 2018, last reporting volume in April 2026 (statewide data runs through April 2026).

The last 12 reported months total 28K barrels of oil, down 17% on the year before; the lease peaked at 88.8K barrels in November 2018.

803K
bbl oil, all reported
2.18M
mcf gas incl. casinghead
28K
bbl oil, last 12 reported
-17%
vs the 12 before
2
wells completed on it
88.8K
peak month, bbl (Nov 2018)

PDQ LEASE REPORTS · FIRST OCT 2018 · 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 27,990 · prior 12 33,549(-17%)

050K100K20192020202120222023202420252026

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 106,649 · prior 12 104,671(+2%)

0100K200K20192020202120222023202420252026

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. Marathon Oil EF LLCOct 2018 → Jul 2026 · 94 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

2

wells completed on the lease

NO Type on File
2

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.

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