GRANTHAM 31

Oil · District 10 · Lease #45878

Operator: SM ENERGY COMPANY

Cum Oil

47k BBL

Cum Gas

0 MCF

Wells

2

Production

2014-04 — 2024-06

Peak Month

2015-03

Production History

Cum Oil: 47,081 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,967 BBL/mo

Di (annual)

137.7%

b-factor

0.8

EUR

54,408 BBL

R-squared

0.805

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2LAREDO PETROLEUM, INC.112,0002014-07-08
1LAREDO PETROLEUM, INC.212,0002013-11-01
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