VIPER FOSTER D

Oil · District 08 · Lease #54788

Operator: SM ENERGY COMPANY

Cum Oil

543k BBL

Cum Gas

1.1M MCF

casinghead

Wells

1

Production

2020-01 — 2026-04

Peak Month

2021-01

Production History

Cum Oil: 543,348 BBL Cum Gas: 1,094,195 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

58,928 BBL/mo

Di (annual)

874.3%

b-factor

1.1

EUR

612,848 BBL

R-squared

0.816

type

hyperbolic

Operator History (from monthly production reports)

2020-01 — 2026-07 SM ENERGY COMPANY 79 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4546WASM ENERGY COMPANY19,0002019-12-06