TIMMERMAN A1

Oil · District 08 · Lease #61949

Operator: COG OPERATING LLC

Cum Oil

183k BBL

Cum Gas

374k MCF

casinghead

Wells

1

Production

2024-04 — 2026-04

Peak Month

2025-03

Production History

Cum Oil: 182,752 BBL Cum Gas: 374,281 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

20,535 BBL/mo

Di (annual)

252.5%

b-factor

1.0

EUR

473,262 BBL

R-squared

0.969

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
403BHCOG OPERATING LLC112,0002023-12-20