UNIVERSITY "15"

Oil · District 7C · Lease #12623

Operator: TEXAS STAR RESOURCES, INC.

Cum Oil

1k BBL

Cum Gas

278 MCF

casinghead

Wells

2

Production

1993-01 — 1997-01

Peak Month

1993-02

Production History

Cum Oil: 1,124 BBL Cum Gas: 278 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

106 BBL/mo

Di (annual)

483.2%

b-factor

0.7

EUR

664 BBL

R-squared

0.351

type

hyperbolic

Operator History (from monthly production reports)

1997-06 — 2003-08 CLAYTON PETROLEUM CORPORATION 75 mo
1996-01 — 1997-05 LILLIS, MICHAEL D. 17 mo
1993-01 — 1995-12 TEXAS STAR RESOURCES, INC. 36 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MCFARLAND & SCOBEY, INC.610,0001998-01-27
2LILLIS, MICHAEL D.32,8001992-12-31