AMACKER47 "B"

Oil · District 7C · Lease #17245

Operator: COG OPERATING LLC

Cum Oil

95k BBL

Cum Gas

421k MCF

casinghead

Wells

2

Production

2010-08 — 2026-04

Peak Month

2011-11

Production History

Cum Oil: 95,081 BBL Cum Gas: 421,429 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,559 BBL/mo

Di (annual)

97.7%

b-factor

0.6

EUR

98,080 BBL

R-squared

0.840

type

hyperbolic

Operator History (from monthly production reports)

2010-08 — 2026-07 COG OPERATING LLC 192 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2COG OPERATING LLC111,5002011-04-14
1COG OPERATING LLC110,8002010-04-21