HALEY JF M4

Oil · District 08 · Lease #53668

Operator: COG OPERATING LLC

Cum Oil

396k BBL

Cum Gas

758k MCF

casinghead

Wells

1

Production

2019-08 — 2026-04

Peak Month

2019-09

Production History

Cum Oil: 395,716 BBL Cum Gas: 757,918 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

22,114 BBL/mo

Di (annual)

609.7%

b-factor

1.4

EUR

506,489 BBL

R-squared

0.694

type

hyperbolic

Operator History (from monthly production reports)

2019-08 — 2026-07 COG OPERATING LLC 84 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1002LHCOG OPERATING LLC112,0002018-09-30