AFTERMATH EAST A UNIT

Oil · District 08 · Lease #58630

Operator: COG OPERATING LLC

Cum Oil

477k BBL

Cum Gas

905k MCF

casinghead

Wells

1

Production

2022-11 — 2026-04

Peak Month

2022-12

Production History

Cum Oil: 476,782 BBL Cum Gas: 904,758 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

18,769 BBL/mo

Di (annual)

38.1%

b-factor

0.0

EUR

591,237 BBL

R-squared

0.521

type

exponential

Operator History (from monthly production reports)

2022-11 — 2026-07 COG OPERATING LLC 45 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
303HCOG OPERATING LLC112,5002022-05-03