THREE SISTERS UNIT

Oil · District 03 · Lease #22909

Operator: UNION PACIFIC RESOURCES COMPANY

Cum Oil

68k BBL

Cum Gas

200k MCF

casinghead

Wells

1

Production

1995-12 — 2004-01

Peak Month

1996-01

Production History

Cum Oil: 67,982 BBL Cum Gas: 199,801 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,899 BBL/mo

Di (annual)

156.5%

b-factor

0.3

EUR

53,588 BBL

R-squared

0.817

type

hyperbolic

Operator History (from monthly production reports)

2002-12 — 2004-08 ANADARKO E&P COMPANY LP 21 mo
2001-02 — 2002-11 RME PETROLEUM COMPANY 22 mo
1995-12 — 2001-01 UNION PACIFIC RESOURCES COMPANY 62 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HUMBLE EXPLORATION CO. INC.28,5251995-10-30