TIMMERMAN A8

Oil · District 08 · Lease #62043

Operator: COG OPERATING LLC

Cum Oil

145k BBL

Cum Gas

207k MCF

casinghead

Wells

1

Production

2024-04 — 2026-04

Peak Month

2024-10

Production History

Cum Oil: 144,972 BBL Cum Gas: 207,073 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

24,226 BBL/mo

Di (annual)

602.0%

b-factor

1.4

EUR

559,503 BBL

R-squared

0.974

type

hyperbolic

Operator History (from monthly production reports)

2024-04 — 2026-07 COG OPERATING LLC 28 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
401LHCOG OPERATING LLC112,0002023-12-27