SHOFNER, W. A., ESTATE

Oil · District 2 · Lease #3339

Operator: TEXAS PETROLEUM INVESTMENT CO.

Cum Oil

31k BBL

Cum Gas

0 MCF

Wells

5

Production

1993-01 — 2026-03

Peak Month

2009-12

Production History

Cum Oil: 30,903 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

832 BBL/mo

Di (annual)

103.6%

b-factor

0.5

EUR

18,552 BBL

R-squared

0.826

type

hyperbolic

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9FORMATION RESOURCES LLC15,8902009-11-20
4TEXAS PETROLEUM INVESTMENT CO.15,7651997-07-14
1142-057-00488--------
1442-057-01312--------
542-057-00481--------
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