UNIVERSITY -4-

Oil · District 7C · Lease #11537

Operator: TXP, INCORPORATED

Fields: BAKER RANCH (CANYON)

Cum Oil

10k BBL

Cum Gas

53k MCF

casinghead

Wells

1

Production

1993-01 — 2009-11

Peak Month

2004-11

Production History

Cum Oil: 10,005 BBL Cum Gas: 52,754 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

103 BBL/mo

Di (annual)

18.2%

b-factor

0.0

EUR

6,744 BBL

R-squared

0.642

type

exponential

Operator History (from monthly production reports)

2008-03 — 2011-05 OXY USA INC. 39 mo

2008-02 — 2008-02 POGO PRODUCING COMPANY LLC 1 mo

2004-01 — 2008-01 POGO PRODUCING COMPANY 49 mo

1995-05 — 2003-12 TXP, INCORPORATED 104 mo

1995-03 — 1995-04 PARKER & PARSLEY DEVELOPMENT L.P 2 mo

1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-235-32646	OXY USA INC.	1	8,200	1985-08-16