BIRK, C.

Oil · District 13 · Lease #17331

Operator: STEPHENS & JOHNSON OPERATING CO.

Cum Oil

23k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2026-03

Peak Month

1994-07

Production History

Cum Oil: 23,030 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

158 BBL/mo

Di (annual)

8.6%

b-factor

0.0

EUR

21,700 BBL

R-squared

0.498

type

exponential

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7HEYDRICK PETROLEUM COMPANY14,2102011-06-27
18STEPHENS & JOHNSON OPERATING CO.14,6501993-09-27
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