HALPERT D

Oil · District 08 · Lease #58056

Operator: SM ENERGY COMPANY

Cum Oil

255k BBL

Cum Gas

543k MCF

casinghead

Wells

1

Production

2021-12 — 2026-04

Peak Month

2023-07

Production History

Cum Oil: 254,583 BBL Cum Gas: 543,373 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

38,497 BBL/mo

Di (annual)

508.2%

b-factor

0.7

EUR

271,536 BBL

R-squared

0.969

type

hyperbolic

Operator History (from monthly production reports)

2021-12 — 2026-07 SM ENERGY COMPANY 55 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
0722LSSM ENERGY COMPANY110,2002021-10-08