HENKE-WILHELM UNIT B

Oil · District 01 · Lease #15964

Operator: MARATHON OIL EF LLC

Cum Oil

119k BBL

Cum Gas

135k MCF

casinghead

Wells

1

Production

2012-05 — 2026-04

Peak Month

2012-05

Production History

Cum Oil: 118,928 BBL Cum Gas: 135,045 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,812 BBL/mo

Di (annual)

122.9%

b-factor

0.6

EUR

129,380 BBL

R-squared

0.818

type

hyperbolic

Operator History (from monthly production reports)

2012-05 — 2026-07 MARATHON OIL EF LLC 171 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC214,0002012-11-15