UNIVERSITY 4 C

Oil · District 08 · Lease #25547

Operator: STAR OF TEXAS ENERGY SRVS, INC.

Fields: CARDINAL (QUEEN, W. )

Cum Oil

3k BBL

Cum Gas

17k MCF

casinghead

Wells

1

Production

1993-01 — 2009-11

Peak Month

1997-03

Production History

Cum Oil: 2,708 BBL Cum Gas: 16,520 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

33 BBL/mo

Di (annual)

18.7%

b-factor

0.0

EUR

2,039 BBL

R-squared

0.349

type

exponential

Operator History (from monthly production reports)

2009-11 — 2026-07 AAA OIL TRUST 201 mo

2009-07 — 2009-10 SKYBRIDGE ENERGY LLC 4 mo

2009-03 — 2009-06 ROYALCO OIL & GAS CORPORATION 4 mo

2008-10 — 2009-02 STAR OF TEXAS ENERGY SRVS, INC. 5 mo

2006-01 — 2008-09 LEONARD BROTHERS OPERATING CO. 33 mo

2003-06 — 2005-12 JAY MANAGEMENT COMPANY, LLC 31 mo

1993-01 — 2003-05 CARDINAL SHARES, INC. 125 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-371-32963	AAA OIL TRUST	1	2,000	1979-12-28