CHAPMAN PFEIL UNIT

Oil · District 1 · Lease #15659

Operator: MARATHON OIL EF LLC

Cum Oil

534k BBL

Cum Gas

0 MCF

Wells

3

Production

2011-05 — 2026-03

Peak Month

2015-02

Production History

Cum Oil: 533,961 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

26,181 BBL/mo

Di (annual)

92.2%

b-factor

0.3

EUR

486,301 BBL

R-squared

0.759

type

hyperbolic

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HMARATHON OIL EF LLC117,1002014-08-21
3HMARATHON OIL EF LLC117,4002014-08-21
1HHILCORP ENERGY COMPANY113,5002011-02-07
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