BLACK POWDER 1-27

Oil · District 10 · Lease #42881

Operator: CIMAREX ENERGY CO.

Cum Oil

598k BBL

Cum Gas

0 MCF

Wells

3

Production

2012-03 — 2026-03

Peak Month

2013-07

Production History

Cum Oil: 598,006 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

9,419 BBL/mo

Di (annual)

208.8%

b-factor

1.6

EUR

526,224 BBL

R-squared

0.356

type

hyperbolic

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HCIMAREX ENERGY CO.211,0002012-07-11
1HCIMAREX ENERGY CO.111,4002012-05-19
1027RICHARDSON OPERATING COMPANY219,2691998-10-05
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