KARNES CITY NE NW ALC

Oil · District 02 · Lease #11471

Operator: MARATHON OIL EF LLC

Cum Oil

428k BBL

Cum Gas

859k MCF

casinghead

Wells

1

Production

2018-04 — 2026-04

Peak Month

2018-05

Production History

Cum Oil: 428,036 BBL Cum Gas: 858,634 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

8,162 BBL/mo

Di (annual)

29.1%

b-factor

0.0

EUR

336,802 BBL

R-squared

0.334

type

exponential

Operator History (from monthly production reports)

2018-04 — 2026-07 MARATHON OIL EF LLC 100 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC119,9412017-07-27