AFTERMATH WEST B UNIT

Oil · District 08 · Lease #56659

Operator: COG OPERATING LLC

Cum Oil

517k BBL

Cum Gas

834k MCF

casinghead

Wells

1

Production

2021-05 — 2026-04

Peak Month

2021-06

Production History

Cum Oil: 517,070 BBL Cum Gas: 833,825 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

13,289 BBL/mo

Di (annual)

26.0%

b-factor

0.0

EUR

612,992 BBL

R-squared

0.387

type

exponential

Operator History (from monthly production reports)

2021-05 — 2026-07 COG OPERATING LLC 63 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
302HCOG OPERATING LLC212,4002020-11-10