UNIVERSITY 42-22

Oil · District 7C · Lease #17028

Operator: APPROACH OPERATING LLC

Cum Oil

10k BBL

Cum Gas

83k MCF

casinghead

Wells

1

Production

2009-11 — 2010-08

Peak Month

2009-12

Production History

Cum Oil: 10,462 BBL Cum Gas: 83,021 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,040 BBL/mo

Di (annual)

413.1%

b-factor

1.3

EUR

52,185 BBL

R-squared

0.967

type

hyperbolic

Operator History (from monthly production reports)

2009-11 — 2010-12 APPROACH OPERATING LLC 14 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5ZARVONA ENERGY LLC19,0002009-09-23