UNIVERSITY 11 SEC. 11 -A-

Oil · District 08 · Lease #36473

Operator: OXY USA INC.

Cum Oil

160k BBL

Cum Gas

2.1M MCF

casinghead

Wells

6

Production

2000-12 — 2026-04

Peak Month

2002-10

Production History

Cum Oil: 159,643 BBL Cum Gas: 2,136,504 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,098 BBL/mo

Di (annual)

27.7%

b-factor

0.4

EUR

142,242 BBL

R-squared

0.866

type

hyperbolic

Operator History (from monthly production reports)

2026-05 — 2026-07 OXY USA EOR, LLC 3 mo
2007-09 — 2026-04 OXY USA INC. 224 mo
2002-01 — 2007-08 BP AMERICA PRODUCTION COMPANY 68 mo
2000-12 — 2001-12 ARCO PERMIAN 13 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9OXY USA INC.18,9002002-01-18
8OXY USA INC.18,9002001-04-27
7OXY USA INC.18,9002001-03-28
6OXY USA INC.57,2001999-03-11
5OXY USA INC.47,2001993-07-02
4OXY USA INC.47,2001992-07-08