UNIVERSITY 11 SEC. 11 -A-

Oil · District 08 · Lease #30950

Operator: ARCO PERMIAN

Cum Oil

12k BBL

Cum Gas

158k MCF

casinghead

Wells

2

Production

1993-01 — 1999-04

Peak Month

1993-01

Production History

Cum Oil: 11,822 BBL Cum Gas: 157,606 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

495 BBL/mo

Di (annual)

75.3%

b-factor

0.4

EUR

12,838 BBL

R-squared

0.540

type

hyperbolic

Operator History (from monthly production reports)

1994-06 — 2000-02 ARCO PERMIAN 69 mo
1993-01 — 1994-05 ARCO OIL & GAS CO. 17 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6OXY USA INC.57,2001999-03-11
5OXY USA INC.47,2001993-07-02