ECHO A UNIT

Oil · District 10 · Lease #57193

Operator: COG OPERATING LLC

Cum Oil

840k BBL

Cum Gas

0 MCF

Wells

2

Production

2021-11 — 2026-03

Peak Month

2022-01

Production History

Cum Oil: 840,181 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

55,028 BBL/mo

Di (annual)

129.4%

b-factor

0.6

EUR

1,166,815 BBL

R-squared

0.951

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2201HCOG OPERATING LLC212,9002019-08-13
2202HCOG OPERATING LLC312,9002019-08-13
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