HALFF-AMACKER

Oil · District 7C · Lease #13590

Operator: VENCER ENERGY, LLC

Cum Oil

385k BBL

Cum Gas

1.1M MCF

casinghead

Wells

1

Production

1994-03 — 2016-07

Peak Month

1998-11

Production History

Cum Oil: 384,893 BBL Cum Gas: 1,104,779 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,970 BBL/mo

Di (annual)

256.0%

b-factor

1.0

EUR

44,908 BBL

R-squared

0.325

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
2016-10 — 2021-07 HUNT OIL COMPANY 58 mo
1994-03 — 2016-09 THOMPSON, J. CLEO 271 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3CIVITAS PERMIAN OPERATING LLC110,5001993-12-13