HASEL28 P2 UNIT 1

Oil · District 7C · Lease #19564

Operator: COG OPERATING LLC

Cum Oil

327k BBL

Cum Gas

1.6M MCF

casinghead

Wells

4

Production

2017-03 — 2026-04

Peak Month

2017-04

Production History

Cum Oil: 326,503 BBL Cum Gas: 1,584,405 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

18,333 BBL/mo

Di (annual)

212.6%

b-factor

0.8

EUR

347,832 BBL

R-squared

0.917

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2805AHCOG OPERATING LLC110,5002016-07-11
2806BHCOG OPERATING LLC110,5002016-07-08
2803AHCOG OPERATING LLC110,5002016-07-06
2804BHCOG OPERATING LLC110,5002016-07-06