GRANT-MCDOUGAL UNIT

Oil · District 3 · Lease #21775

Operator: WILLIAMS, CLAYTON W., JR., INC.

Cum Oil

187k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2014-02

Peak Month

1993-06

Production History

Cum Oil: 187,217 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

4,280 BBL/mo

Di (annual)

33.8%

b-factor

0.1

EUR

168,639 BBL

R-squared

0.738

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WILLIAMS, CLAYTON W., JR., INC.18,1051992-09-10
1UWILLIAMS, CLAYTON W., JR., INC.18,1051992-09-10
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