TIMMERMAN A4

Oil · District 08 · Lease #61933

Operator: COG OPERATING LLC

Cum Oil

196k BBL

Cum Gas

258k MCF

casinghead

Wells

1

Production

2024-04 — 2026-04

Peak Month

2024-11

Production History

Cum Oil: 196,346 BBL Cum Gas: 258,415 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

31,439 BBL/mo

Di (annual)

412.9%

b-factor

0.7

EUR

269,401 BBL

R-squared

0.970

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

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