TRUSTEE #2

Oil · District 04 · Lease #12808

Operator: STAR OF TEXAS ENERGY SRVS, INC.

Cum Oil

9k BBL

Cum Gas

26k MCF

casinghead

Wells

1

Production

1998-12 — 2002-05

Peak Month

1999-01

Production History

Cum Oil: 9,113 BBL Cum Gas: 26,249 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

587 BBL/mo

Di (annual)

82.7%

b-factor

0.0

EUR

8,505 BBL

R-squared

0.528

type

exponential

Operator History (from monthly production reports)

2015-06 — 2026-07 SANTA RITA HOLDINGS, LLC 134 mo
2010-05 — 2015-05 CO ENERGY 61 mo
2008-06 — 2010-04 COLO EXPLORATION COMPANY, INC. 23 mo
1998-12 — 2008-05 STAR OF TEXAS ENERGY SRVS, INC. 114 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SANTA RITA HOLDINGS LLC25,8001998-11-25