UNIVERSITY 42-13

Oil · District 7C · Lease #16879

Operator: APPROACH OPERATING LLC

Cum Oil

17k BBL

Cum Gas

243k MCF

casinghead

Wells

3

Production

2009-01 — 2010-08

Peak Month

2009-11

Production History

Cum Oil: 17,228 BBL Cum Gas: 242,920 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,182 BBL/mo

Di (annual)

863.0%

b-factor

1.5

EUR

67,915 BBL

R-squared

0.946

type

hyperbolic

Operator History (from monthly production reports)

2009-01 — 2010-12 APPROACH OPERATING LLC 24 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8ZARVONA ENERGY LLC19,0002009-09-23
6ZARVONA ENERGY LLC19,0002008-11-17
5ZARVONA ENERGY LLC19,0002008-07-30