AFTERSHOCK WEST B UNIT

Oil · District 08 · Lease #59951

Operator: COG OPERATING LLC

Cum Oil

365k BBL

Cum Gas

841k MCF

casinghead

Wells

1

Production

2023-06 — 2026-04

Peak Month

2023-08

Production History

Cum Oil: 364,869 BBL Cum Gas: 840,958 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

15,295 BBL/mo

Di (annual)

36.3%

b-factor

0.0

EUR

506,042 BBL

R-squared

0.472

type

exponential

Operator History (from monthly production reports)

2023-06 — 2026-07 COG OPERATING LLC 38 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
202HCOG OPERATING LLC112,4002021-02-08