WHITSETT-HOUSTON UNIT

Oil · District 02 · Lease #10517

Operator: MARATHON OIL EF LLC

Cum Oil

33k BBL

Cum Gas

69k MCF

casinghead

Wells

1

Production

2013-04 — 2026-04

Peak Month

2013-09

Production History

Cum Oil: 33,418 BBL Cum Gas: 68,705 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,372 BBL/mo

Di (annual)

125.5%

b-factor

0.5

EUR

25,434 BBL

R-squared

0.596

type

hyperbolic

Operator History (from monthly production reports)

2013-04 — 2026-07 MARATHON OIL EF LLC 160 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC116,8002012-10-23