AMACKER 67A

Oil · District 7C · Lease #21030

Operator: COG OPERATING LLC

Cum Oil

307k BBL

Cum Gas

1.9M MCF

casinghead

Wells

1

Production

2020-05 — 2026-04

Peak Month

2020-08

Production History

Cum Oil: 307,459 BBL Cum Gas: 1,918,288 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

21,016 BBL/mo

Di (annual)

96.1%

b-factor

0.1

EUR

291,764 BBL

R-squared

0.835

type

hyperbolic

Operator History (from monthly production reports)

2020-05 — 2026-07 COG OPERATING LLC 75 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6703BHCOG OPERATING LLC112,0002019-12-17