RATLIFF RANCH -B-

Oil · District 08 · Lease #33985

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

27k BBL

Cum Gas

252k MCF

casinghead

Wells

1

Production

1993-09 — 2006-11

Peak Month

1999-03

Production History

Cum Oil: 27,474 BBL Cum Gas: 252,232 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

737 BBL/mo

Di (annual)

112.5%

b-factor

0.7

EUR

20,822 BBL

R-squared

0.377

type

hyperbolic

Operator History (from monthly production reports)

2004-12 — 2008-03 MERIT ENERGY COMPANY 40 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
1993-09 — 1997-02 AMOCO PRODUCTION COMPANY 42 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1043MERIT ENERGY COMPANY212,9002006-10-17