HASEL28 P2 UNIT

Oil · District 7C · Lease #19679

Operator: COG OPERATING LLC

Cum Oil

254k BBL

Cum Gas

700k MCF

casinghead

Wells

1

Production

2017-03 — 2026-04

Peak Month

2019-07

Production History

Cum Oil: 254,456 BBL Cum Gas: 699,974 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,949 BBL/mo

Di (annual)

34.7%

b-factor

0.2

EUR

213,265 BBL

R-squared

0.612

type

hyperbolic

Operator History (from monthly production reports)

2017-03 — 2026-07 COG OPERATING LLC 113 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2805AHCOG OPERATING LLC110,5002016-07-11