MANTZEL

Oil · District 03 · Lease #23873

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

41k BBL

Cum Gas

92k MCF

casinghead

Wells

1

Production

2000-06 — 2004-02

Peak Month

2003-02

Production History

Cum Oil: 41,133 BBL Cum Gas: 92,156 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,598 BBL/mo

Di (annual)

53.6%

b-factor

0.0

EUR

35,800 BBL

R-squared

0.353

type

exponential

Operator History (from monthly production reports)

2002-12 — 2004-07 ANADARKO E&P COMPANY LP 20 mo
2001-02 — 2002-11 RME PETROLEUM COMPANY 22 mo
2000-06 — 2001-01 UNION PACIFIC RESOURCES COMPANY 8 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1REANADARKO E&P COMPANY LP414,0002000-04-18