< leases

RATLIFF "G"

Oil · District 08 · Lease #26423

Operator: UNION PACIFIC RESOURCES COMPANY

Fields: HEADLEE, N. (DEVONIAN)

Cum Oil

3k BBL

Cum Gas

20k MCF

casinghead

Wells

1

Production

1993-01 — 1995-01

Peak Month

1993-04

Production History

Cum Oil: 2,564 BBL Cum Gas: 20,346 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

195 BBL/mo

Di (annual)

85.0%

b-factor

0.0

EUR

2,747 BBL

R-squared

0.436

type

exponential

Operator History (from monthly production reports)

2004-12 — 2007-01 MERIT ENERGY COMPANY 26 mo
2002-12 — 2004-11 ANADARKO E&P COMPANY LP 24 mo
2001-02 — 2002-11 RME PETROLEUM COMPANY 22 mo
1998-03 — 2001-01 UNION PACIFIC RESOURCES COMPANY 35 mo
1997-03 — 1998-02 ALTURA ENERGY LTD. 12 mo
1994-02 — 1997-02 AMOCO PRODUCTION COMPANY 37 mo
1993-01 — 1994-01 ANTELOPE PRODUCTION CO. 13 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-135-04992AMOCO PRODUCTION COMPANY213,7772006-07-20