AMACKER 68A

Oil · District 7C · Lease #21621

Operator: COG OPERATING LLC

Cum Oil

286k BBL

Cum Gas

963k MCF

casinghead

Wells

1

Production

2022-01 — 2026-04

Peak Month

2023-01

Production History

Cum Oil: 285,902 BBL Cum Gas: 962,975 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

24,468 BBL/mo

Di (annual)

241.2%

b-factor

0.8

EUR

415,375 BBL

R-squared

0.952

type

hyperbolic

Operator History (from monthly production reports)

2022-01 — 2026-07 COG OPERATING LLC 55 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6813BHCOG OPERATING LLC112,0002021-10-26