UNIVERSITY 42-15

Oil · District 7C · Lease #16867

Operator: APPROACH OPERATING LLC

Cum Oil

11k BBL

Cum Gas

49k MCF

casinghead

Wells

1

Production

2008-08 — 2010-08

Peak Month

2008-09

Production History

Cum Oil: 11,109 BBL Cum Gas: 48,564 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

660 BBL/mo

Di (annual)

63.5%

b-factor

0.0

EUR

12,463 BBL

R-squared

0.393

type

exponential

Operator History (from monthly production reports)

2008-08 — 2010-12 APPROACH OPERATING LLC 29 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2ZARVONA ENERGY LLC39,0002010-11-29