UNIVERSITY 11 SEC. 11 "A"

Oil · District 08 · Lease #33578

Operator: ARCO PERMIAN

Cum Oil

66k BBL

Cum Gas

680k MCF

casinghead

Wells

3

Production

1993-01 — 2000-11

Peak Month

1994-08

Production History

Cum Oil: 66,161 BBL Cum Gas: 680,415 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

901 BBL/mo

Di (annual)

16.7%

b-factor

2.0

EUR

207,433 BBL

R-squared

0.421

type

hyperbolic

Operator History (from monthly production reports)

1994-06 — 2001-05 ARCO PERMIAN 84 mo
1993-01 — 1994-05 ARCO OIL & GAS CO. 17 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6OXY USA INC.57,2001999-03-11
5OXY USA INC.47,2001993-07-02
4OXY USA INC.47,2001992-07-08