UNIVERSITY -A-

Oil · District 10 · Lease #14151

Operator: STEPHENS & JOHNSON OPERATING CO.

Fields: FULLERTON

Cum Oil

365k BBL

Cum Gas

0 MCF

Wells

9

Production

1993-01 — 2026-03

Peak Month

2007-06

Production History

Cum Oil: 365,347 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,650 BBL/mo

Di (annual)

11.7%

b-factor

0.4

EUR

379,639 BBL

R-squared

0.897

type

hyperbolic

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
17STEPHENS & JOHNSON OPERATING CO.17,5002010-06-07
16STEPHENS & JOHNSON OPERATING CO.17,5002007-11-15
15STEPHENS & JOHNSON OPERATING CO.17,5002007-02-14
13STEPHENS & JOHNSON OPERATING CO.17,5002006-06-13
14STEPHENS & JOHNSON OPERATING CO.17,5002006-06-13
12STEPHENS & JOHNSON OPERATING CO.17,5002005-04-28
6CONOCO INC.15,5001988-02-18
9CONOCO INC.211,3001986-08-01
442-003-00277--------
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