SOUTHLAND "A"

Oil · District 10 · Lease #30976

Operator: MARATHON OIL COMPANY

Cum Oil

126k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2012-08

Peak Month

2005-07

Production History

Cum Oil: 125,524 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

643 BBL/mo

Di (annual)

8.2%

b-factor

1.1

EUR

157,537 BBL

R-squared

0.397

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1GUTHRIE, A. K. OPERATING CO.14,0001986-09-24
2GUTHRIE, A. K. OPERATING CO.14,0001986-09-24
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