ANP -136-

Oil · District 8 · Lease #28619

Operator: RICHEY, RAY MANAGEMENT CO., INC.

Cum Oil

7k BBL

Cum Gas

0 MCF

Wells

1

Production

1999-06 — 2019-12

Peak Month

1999-06

Production History

Cum Oil: 7,216 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

595 BBL/mo

Di (annual)

361.4%

b-factor

1.0

EUR

10,289 BBL

R-squared

0.680

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1UMITCHELL ENERGY CORPORATION25,5001999-05-21
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