ECHO B UNIT

Oil · District 10 · Lease #57210

Operator: COG OPERATING LLC

Cum Oil

773k BBL

Cum Gas

0 MCF

Wells

2

Production

2021-10 — 2026-03

Peak Month

2022-02

Production History

Cum Oil: 773,212 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

43,333 BBL/mo

Di (annual)

370.2%

b-factor

2.0

EUR

2,566,770 BBL

R-squared

0.846

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2204HRCOG OPERATING LLC212,9002021-07-22
2203HCOG OPERATING LLC212,9002019-08-13
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