UNIVERSITY 55-21

Oil · District 7C · Lease #17803

Operator: APPROACH OPERATING LLC

Cum Oil

3k BBL

Cum Gas

148k MCF

casinghead

Wells

2

Production

2012-01 — 2016-05

Peak Month

2012-04

Production History

Cum Oil: 3,111 BBL Cum Gas: 147,726 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

416 BBL/mo

Di (annual)

220.6%

b-factor

0.0

EUR

2,266 BBL

R-squared

0.816

type

exponential

Operator History (from monthly production reports)

2012-01 — 2018-08 APPROACH OPERATING LLC 80 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3APPROACH OPERATING LLC18,0002011-09-23
2ZARVONA ENERGY LLC28,3502011-06-28