BARNETT "21"

Oil · District 9 · Lease #14995

Operator: SUMMIT PETROLEUM LLC

Cum Oil

213k BBL

Cum Gas

0 MCF

Wells

1

Production

1999-12 — 2025-01

Peak Month

2000-08

Production History

Cum Oil: 212,536 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

8,303 BBL/mo

Di (annual)

63.9%

b-factor

0.2

EUR

194,890 BBL

R-squared

0.775

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3OCEAN ENERGY, INC.29,5001999-08-24
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