COUNTRY CLUB

Oil · District 13 · Lease #28065

Operator: CHOLLA PETROLEUM, INC.

Cum Oil

638k BBL

Cum Gas

0 MCF

Wells

3

Production

1993-01 — 2026-03

Peak Month

1995-03

Production History

Cum Oil: 638,008 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

3,091 BBL/mo

Di (annual)

6.3%

b-factor

0.1

EUR

596,888 BBL

R-squared

0.892

type

hyperbolic

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1CHOLLA PETROLEUM, INC.68,1002007-11-09
4CHOLLA PETROLEUM, INC.28,0501992-04-15
2CHOLLA PETROLEUM, INC.18,0501991-09-10
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