VIPER FOSTER C

Oil · District 08 · Lease #54787

Operator: SM ENERGY COMPANY

Cum Oil

522k BBL

Cum Gas

906k MCF

casinghead

Wells

1

Production

2020-03 — 2026-04

Peak Month

2021-01

Production History

Cum Oil: 521,777 BBL Cum Gas: 905,692 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

37,139 BBL/mo

Di (annual)

343.6%

b-factor

1.2

EUR

929,789 BBL

R-squared

0.935

type

hyperbolic

Operator History (from monthly production reports)

2020-03 — 2026-07 SM ENERGY COMPANY 77 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4525LSSM ENERGY COMPANY19,0002019-12-06