ANP -135-

Oil · District 8 · Lease #28713

Operator: RICHEY, RAY MANAGEMENT CO., INC.

Cum Oil

17k BBL

Cum Gas

0 MCF

Wells

1

Production

1999-12 — 2019-12

Peak Month

2000-01

Production History

Cum Oil: 16,593 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,326 BBL/mo

Di (annual)

602.1%

b-factor

1.3

EUR

45,963 BBL

R-squared

0.865

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1UMITCHELL ENERGY CORPORATION25,4001999-10-19
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