ECHO BS UNIT A

Oil · District 10 · Lease #60863

Operator: COG OPERATING LLC

Cum Oil

836k BBL

Cum Gas

0 MCF

Wells

3

Production

2023-10 — 2026-03

Peak Month

2024-09

Production History

Cum Oil: 835,644 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

66,319 BBL/mo

Di (annual)

266.5%

b-factor

2.0

EUR

4,586,708 BBL

R-squared

0.810

type

hyperbolic

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2250HCOG OPERATING LLC111,0002023-05-02
2251HCOG OPERATING LLC111,0002023-05-02
2252HCOG OPERATING LLC111,0002023-05-02
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