CLARK

Oil · District 8 · Lease #25598

Operator: RO-JO, INC.

Cum Oil

37k BBL

Cum Gas

0 MCF

Wells

3

Production

1993-01 — 2026-03

Peak Month

2003-05

Production History

Cum Oil: 37,418 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

293 BBL/mo

Di (annual)

29.1%

b-factor

0.2

EUR

14,979 BBL

R-squared

0.624

type

hyperbolic

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3GLAHN RESOURCES, INC.12,7001990-06-06
2GLAHN RESOURCES, INC.23,7001989-12-12
1GLAHN RESOURCES, INC.13,0001989-09-29
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