HALFMANN 21 F

Oil · District 08 · Lease #60816

Operator: VITAL ENERGY, INC.

Cum Oil

571k BBL

Cum Gas

1.9M MCF

casinghead

Wells

3

Production

2023-09 — 2026-04

Peak Month

2024-05

Production History

Cum Oil: 570,989 BBL Cum Gas: 1,921,002 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

66,042 BBL/mo

Di (annual)

360.0%

b-factor

1.1

EUR

1,362,217 BBL

R-squared

0.978

type

hyperbolic

Operator History (from monthly production reports)

2026-01 — 2026-07 CRESCENT ENERGY OPERATING, LLC 7 mo
2023-09 — 2025-12 VITAL ENERGY, INC. 28 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3ACRESCENT ENERGY OPERATING, LLC210,5002023-03-29
4LSCRESCENT ENERGY OPERATING, LLC210,5002023-03-29
5DCRESCENT ENERGY OPERATING, LLC210,5002023-03-09