GLASS 8

Oil · District 10 · Lease #42102

Operator: COG OPERATING LLC

Cum Oil

129k BBL

Cum Gas

0 MCF

Wells

4

Production

2012-01 — 2026-03

Peak Month

2012-11

Production History

Cum Oil: 128,869 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

3,635 BBL/mo

Di (annual)

57.0%

b-factor

0.3

EUR

108,812 BBL

R-squared

0.925

type

hyperbolic

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9COG OPERATING LLC110,8002012-12-17
6COG OPERATING LLC110,0002012-06-21
11COG OPERATING LLC110,5002012-01-04
3COG OPERATING LLC210,5002011-07-28
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