POWELL "21"

Oil · District 9 · Lease #17335

Operator: COG OPERATING LLC

Cum Oil

485k BBL

Cum Gas

0 MCF

Wells

6

Production

2010-10 — 2026-03

Peak Month

2012-11

Production History

Cum Oil: 484,951 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

5,861 BBL/mo

Di (annual)

35.0%

b-factor

1.1

EUR

631,816 BBL

R-squared

0.816

type

hyperbolic

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5COG OPERATING LLC112,0002012-06-21
6COG OPERATING LLC112,0002012-03-13
8COG OPERATING LLC111,0002011-09-08
9COG OPERATING LLC211,0002011-01-24
2COG OPERATING LLC111,0002010-11-10
4COG OPERATING LLC110,8002010-07-21
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