HALEY, J.F. D2

Oil · District 08 · Lease #50428

Operator: COG OPERATING LLC

Cum Oil

297k BBL

Cum Gas

847k MCF

casinghead

Wells

1

Production

2018-05 — 2026-04

Peak Month

2018-08

Production History

Cum Oil: 297,295 BBL Cum Gas: 846,648 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

22,089 BBL/mo

Di (annual)

472.3%

b-factor

0.9

EUR

252,691 BBL

R-squared

0.814

type

hyperbolic

Operator History (from monthly production reports)

2018-05 — 2026-07 COG OPERATING LLC 99 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1001BHCOG OPERATING LLC111,0002017-10-11