TIMMERMAN A3

Oil · District 08 · Lease #61934

Operator: COG OPERATING LLC

Cum Oil

248k BBL

Cum Gas

355k MCF

casinghead

Wells

1

Production

2024-04 — 2026-04

Peak Month

2024-12

Production History

Cum Oil: 247,627 BBL Cum Gas: 354,927 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

34,489 BBL/mo

Di (annual)

301.0%

b-factor

0.8

EUR

481,131 BBL

R-squared

0.976

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
402MHCOG OPERATING LLC112,0002023-12-27