AMACKER 66G

Oil · District 7C · Lease #21393

Operator: COG OPERATING LLC

Cum Oil

265k BBL

Cum Gas

1.4M MCF

casinghead

Wells

1

Production

2021-09 — 2026-04

Peak Month

2021-11

Production History

Cum Oil: 264,980 BBL Cum Gas: 1,383,220 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

24,705 BBL/mo

Di (annual)

425.6%

b-factor

1.1

EUR

448,403 BBL

R-squared

0.918

type

hyperbolic

Operator History (from monthly production reports)

2021-09 — 2026-07 COG OPERATING LLC 59 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6602BHCOG OPERATING LLC112,0002020-02-03