STATE TRACT NO. 77

Oil · District 02 · Lease #8660

Operator: RINCON PETROLEUM CORPORATION

Cum Oil

27k BBL

Cum Gas

158k MCF

casinghead

Wells

1

Production

2001-06 — 2009-09

Peak Month

2001-12

Production History

Cum Oil: 27,387 BBL Cum Gas: 157,931 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

801 BBL/mo

Di (annual)

33.0%

b-factor

0.0

EUR

29,073 BBL

R-squared

0.877

type

exponential

Operator History (from monthly production reports)

2002-09 — 2010-04 RINCON PETROLEUM CORPORATION 92 mo
2001-06 — 2002-08 ESENJAY EXPLORATION, INC 15 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SILVERBROOK OPERATING, LLC48,9002011-01-26