CRAWFORD -7-

Oil · District 10 · Lease #35880

Operator: STEPHENS, AUTRY C.

Cum Oil

59k BBL

Cum Gas

0 MCF

Wells

2

Production

1998-07 — 2020-04

Peak Month

2001-10

Production History

Cum Oil: 59,432 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

836 BBL/mo

Di (annual)

33.9%

b-factor

0.8

EUR

72,209 BBL

R-squared

0.674

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
107WAGNER & BROWN312,5002001-09-13
1PARKER & PARSLEY, INC.19,8001981-07-29
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