AMACKER-HALFF 81

Oil · District 7C · Lease #7203

Operator: VENCER ENERGY, LLC

Cum Oil

104k BBL

Cum Gas

822k MCF

casinghead

Wells

2

Production

1993-01 — 2015-09

Peak Month

1998-03

Production History

Cum Oil: 104,128 BBL Cum Gas: 821,704 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,275 BBL/mo

Di (annual)

34.8%

b-factor

0.2

EUR

54,729 BBL

R-squared

0.687

type

hyperbolic

Operator History (from monthly production reports)

2024-01 — 2026-07 CIVITAS PERMIAN OPERATING, LLC 31 mo
2021-08 — 2023-12 VENCER ENERGY, LLC 29 mo
1993-01 — 2021-07 HUNT OIL COMPANY 343 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6CIVITAS PERMIAN OPERATING LLC29,8002012-08-31
1CIVITAS PERMIAN OPERATING LLC113,3001977-06-13