A.B. HARRINGTON H3

Oil · District 08 · Lease #57409

Operator: COG OPERATING LLC

Cum Oil

138k BBL

Cum Gas

189k MCF

casinghead

Wells

1

Production

2022-03 — 2026-04

Peak Month

2024-03

Production History

Cum Oil: 138,052 BBL Cum Gas: 188,822 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,900 BBL/mo

Di (annual)

53.5%

b-factor

0.0

EUR

132,416 BBL

R-squared

0.426

type

exponential

Operator History (from monthly production reports)

2022-03 — 2026-07 COG OPERATING LLC 53 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
608MHCOG OPERATING LLC112,0002021-03-31