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URBAN

Oil · District 10 · Lease #4215

Operator: UPLAND RESOURCES, INC.

Fields: HORIZON (CLEVELAND)

Cum Oil

48k BBL

Cum Gas

140k MCF

casinghead

Wells

2

Production

1993-01 — 2011-05

Peak Month

2010-07

Production History

Cum Oil: 48,030 BBL Cum Gas: 139,504 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

10,912 BBL/mo

Di (annual)

879.1%

b-factor

1.3

EUR

165,915 BBL

R-squared

0.947

type

hyperbolic

Operator History (from monthly production reports)

2012-05 — 2013-08 APACHE CORPORATION 16 mo
2008-01 — 2012-04 GRANITE OPERATING COMPANY 52 mo
1999-04 — 2007-12 UPLAND RESOURCES, INC. 105 mo
1996-11 — 1999-03 HORIZON NATURAL RESOURCES, INC. 29 mo
1995-01 — 1996-10 SONAT EXPLORATION COMPANY-MCR 22 mo
1993-01 — 1994-12 HORIZON OIL & GAS CO. 24 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HB42-357-32892PRESIDIO PETROLEUM LLC111,0002010-03-22
242-357-30424APACHE CORPORATION------