GRANTHAM 31

Oil · District 08 · Lease #45878

Operator: SM ENERGY COMPANY

Cum Oil

47k BBL

Cum Gas

153k MCF

casinghead

Wells

2

Production

2014-04 — 2021-03

Peak Month

2015-03

Production History

Cum Oil: 47,081 BBL Cum Gas: 153,005 MCF

RRC production reported through Apr 2026 · recent months incomplete

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

Operator History (from monthly production reports)

2017-02 — 2024-06 SM ENERGY COMPANY 89 mo
2014-04 — 2017-01 LAREDO PETROLEUM, INC. 34 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2SM ENERGY COMPANY112,0002014-07-08
1SM ENERGY COMPANY212,0002013-11-01