V. MARKLEY UNIT

Oil · District 03 · Lease #22854

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

39k BBL

Cum Gas

260k MCF

casinghead

Wells

1

Production

1995-08 — 2002-02

Peak Month

1995-08

Production History

Cum Oil: 38,766 BBL Cum Gas: 259,603 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,774 BBL/mo

Di (annual)

221.9%

b-factor

0.2

EUR

39,085 BBL

R-squared

0.557

type

hyperbolic

Operator History (from monthly production reports)

2002-12 — 2007-01 ANADARKO E&P COMPANY LP 50 mo
2001-02 — 2002-11 RME PETROLEUM COMPANY 22 mo
1995-08 — 2001-01 UNION PACIFIC RESOURCES COMPANY 66 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ANADARKO E&P COMPANY LP211,7001995-06-02