HALFMANN 21

Oil · District 08 · Lease #45489

Operator: VITAL ENERGY, INC.

Cum Oil

141k BBL

Cum Gas

432k MCF

casinghead

Wells

1

Production

2014-03 — 2026-04

Peak Month

2014-12

Production History

Cum Oil: 140,845 BBL Cum Gas: 431,819 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,055 BBL/mo

Di (annual)

32.9%

b-factor

0.2

EUR

138,896 BBL

R-squared

0.840

type

hyperbolic

Operator History (from monthly production reports)

2026-01 — 2026-07 CRESCENT ENERGY OPERATING, LLC 7 mo
2023-02 — 2025-12 VITAL ENERGY, INC. 35 mo
2022-03 — 2023-01 LAREDO PETROLEUM, INC. 11 mo
2020-02 — 2022-02 OVINTIV USA INC. 25 mo
2015-02 — 2020-01 ENCANA OIL & GAS(USA) INC. 60 mo
2014-03 — 2015-01 ATHLON HOLDINGS LP 11 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2CRESCENT ENERGY OPERATING, LLC110,3002014-01-31