RATLIFF A 28 EAST HZ UNIT

Oil · District 08 · Lease #53594

Operator: COG OPERATING LLC

Cum Oil

884k BBL

Cum Gas

1.9M MCF

casinghead

Wells

2

Production

2019-09 — 2026-04

Peak Month

2019-11

Production History

Cum Oil: 883,868 BBL Cum Gas: 1,924,007 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

27,890 BBL/mo

Di (annual)

168.9%

b-factor

1.5

EUR

1,599,625 BBL

R-squared

0.640

type

hyperbolic

Operator History (from monthly production reports)

2019-09 — 2026-07 COG OPERATING LLC 83 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2802AHCOG OPERATING LLC110,5002019-03-05
2802LHCOG OPERATING LLC110,5002019-03-05