HALEY, J.F. D1

Oil · District 08 · Lease #50459

Operator: COG OPERATING LLC

Cum Oil

607k BBL

Cum Gas

991k MCF

casinghead

Wells

1

Production

2018-05 — 2026-04

Peak Month

2018-06

Production History

Cum Oil: 606,989 BBL Cum Gas: 990,960 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

13,685 BBL/mo

Di (annual)

44.5%

b-factor

0.0

EUR

369,235 BBL

R-squared

0.489

type

exponential

Operator History (from monthly production reports)

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

Wells (1)

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