A.B. HARRINGTON H9

Oil · District 08 · Lease #57185

Operator: COG OPERATING LLC

Cum Oil

705k BBL

Cum Gas

819k MCF

casinghead

Wells

1

Production

2022-03 — 2026-04

Peak Month

2022-06

Production History

Cum Oil: 704,798 BBL Cum Gas: 818,852 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

21,874 BBL/mo

Di (annual)

40.0%

b-factor

0.0

EUR

657,019 BBL

R-squared

0.523

type

exponential

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
605LHCOG OPERATING LLC112,0002021-03-31