UNIVERSITY 42-22

Oil · District 7C · Lease #17261

Operator: APPROACH OPERATING LLC

Cum Oil

32k BBL

Cum Gas

467k MCF

casinghead

Wells

5

Production

2010-09 — 2013-09

Peak Month

2011-04

Production History

Cum Oil: 31,677 BBL Cum Gas: 467,305 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,061 BBL/mo

Di (annual)

247.7%

b-factor

1.5

EUR

94,194 BBL

R-squared

0.762

type

hyperbolic

Operator History (from monthly production reports)

2010-09 — 2014-09 APPROACH OPERATING LLC 49 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
17ZARVONA ENERGY LLC19,0002011-01-11
15ZARVONA ENERGY LLC29,0002010-06-10
11ZARVONA ENERGY LLC19,0002010-05-10
14ZARVONA ENERGY LLC19,0002010-05-06
5ZARVONA ENERGY LLC19,0002009-09-23