CHUMCHAL-LITTLEFIELD UNIT

Oil · District 1 · Lease #16013

Operator: MARATHON OIL EF LLC

Cum Oil

181k BBL

Cum Gas

0 MCF

Wells

1

Production

2012-07 — 2026-03

Peak Month

2012-08

Production History

Cum Oil: 180,883 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

6,579 BBL/mo

Di (annual)

94.2%

b-factor

0.5

EUR

160,809 BBL

R-squared

0.834

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC118,0002012-01-30
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