A.B. HARRINGTON H11

Oil · District 08 · Lease #57849

Operator: COG OPERATING LLC

Cum Oil

240k BBL

Cum Gas

321k MCF

casinghead

Wells

1

Production

2022-05 — 2026-04

Peak Month

2023-05

Production History

Cum Oil: 239,860 BBL Cum Gas: 321,119 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

12,754 BBL/mo

Di (annual)

60.1%

b-factor

0.0

EUR

254,593 BBL

R-squared

0.866

type

exponential

Operator History (from monthly production reports)

2022-05 — 2026-07 COG OPERATING LLC 51 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
604MHCOG OPERATING LLC112,0002021-11-22