HALFMANN 21 E

Oil · District 08 · Lease #60801

Operator: VITAL ENERGY, INC.

Cum Oil

402k BBL

Cum Gas

950k MCF

casinghead

Wells

2

Production

2023-10 — 2026-04

Peak Month

2024-05

Production History

Cum Oil: 401,629 BBL Cum Gas: 950,122 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

55,298 BBL/mo

Di (annual)

419.3%

b-factor

1.0

EUR

848,264 BBL

R-squared

0.946

type

hyperbolic

Operator History (from monthly production reports)

2026-01 — 2026-07 CRESCENT ENERGY OPERATING, LLC 7 mo
2023-10 — 2025-12 VITAL ENERGY, INC. 27 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1LSCRESCENT ENERGY OPERATING, LLC210,5002023-04-25
2ACRESCENT ENERGY OPERATING, LLC210,5002023-04-25