KARNES CITY NE UNIT

Oil · District 02 · Lease #10810

Operator: MARATHON OIL EF LLC

Cum Oil

2.6M BBL

Cum Gas

4.5M MCF

casinghead

Wells

6

Production

2014-04 — 2026-04

Peak Month

2018-05

Production History

Cum Oil: 2,599,342 BBL Cum Gas: 4,486,129 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

141,257 BBL/mo

Di (annual)

328.3%

b-factor

0.9

EUR

2,204,858 BBL

R-squared

0.830

type

hyperbolic

Operator History (from monthly production reports)

2014-04 — 2026-07 MARATHON OIL EF LLC 148 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HMARATHON OIL EF LLC219,7002017-09-12
503HMARATHON OIL EF LLC219,7002017-09-12
2HMARATHON OIL EF LLC119,7002017-07-07
502HMARATHON OIL EF LLC119,7002017-07-07
501HMARATHON OIL EF LLC119,7002017-05-24
1HMARATHON OIL EF LLC118,9002014-03-05