COLE UNIT

Oil · District 8 · Lease #8420

Operator: SUBSURFACE PRODUCTION, INC.

Cum Oil

18k BBL

Cum Gas

0 MCF

Wells

6

Production

1993-01 — 2026-03

Peak Month

1998-07

Production History

Cum Oil: 18,481 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

134 BBL/mo

Di (annual)

14.9%

b-factor

0.0

EUR

10,703 BBL

R-squared

0.371

type

exponential

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
A 4BENTLEY & LAING14,0001983-12-22
A 3BENTLEY & LAING14,0001983-11-14
A 1BENTLEY & LAING14,0001983-08-18
4342-253-02638--------
6542-253-80769--------
6742-253-03213--------
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