AMACKER, V. T. "E" -82-

Oil · District 7C · Lease #12271

Operator: VENCER ENERGY, LLC

Cum Oil

1.5M BBL

Cum Gas

7.3M MCF

casinghead

Wells

2

Production

1993-01 — 2025-05

Peak Month

2005-03

Production History

Cum Oil: 1,515,230 BBL Cum Gas: 7,342,169 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

13,123 BBL/mo

Di (annual)

28.2%

b-factor

0.2

EUR

693,695 BBL

R-squared

0.783

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
5CIVITAS PERMIAN OPERATING LLC110,3001999-07-09
4CIVITAS PERMIAN OPERATING LLC110,4001987-06-25