A.B. HARRINGTON H18

Oil · District 08 · Lease #57824

Operator: COG OPERATING LLC

Cum Oil

370k BBL

Cum Gas

511k MCF

casinghead

Wells

1

Production

2022-06 — 2026-04

Peak Month

2023-06

Production History

Cum Oil: 369,985 BBL Cum Gas: 510,713 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

24,051 BBL/mo

Di (annual)

219.3%

b-factor

1.1

EUR

720,418 BBL

R-squared

0.942

type

hyperbolic

Operator History (from monthly production reports)

2022-06 — 2026-07 COG OPERATING LLC 50 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
601MHCOG OPERATING LLC112,0002021-11-22