CARPENTER-KELLNER UNIT

Oil · District 02 · Lease #10296

Operator: MARATHON OIL EF LLC

Cum Oil

1.6M BBL

Cum Gas

2.3M MCF

casinghead

Wells

6

Production

2012-10 — 2026-04

Peak Month

2018-02

Production History

Cum Oil: 1,598,385 BBL Cum Gas: 2,259,478 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

80,006 BBL/mo

Di (annual)

122.5%

b-factor

0.5

EUR

1,518,204 BBL

R-squared

0.783

type

hyperbolic

Operator History (from monthly production reports)

2012-10 — 2026-07 MARATHON OIL EF LLC 166 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6HMARATHON OIL EF LLC121,0002019-06-11
2HMARATHON OIL EF LLC118,5002017-03-17
3HMARATHON OIL EF LLC118,5002017-03-17
4HMARATHON OIL EF LLC118,5002017-03-17
5HMARATHON OIL EF LLC118,5002017-03-17
1HMARATHON OIL EF LLC116,5002012-08-23