< leases

WEST RANCH "A"

Oil · District 02 · Lease #7607

Operator: VINTAGE PETROLEUM, LLC

Fields: WEST RANCH (VENADO ZONE)

Cum Oil

99k BBL

Cum Gas

140k MCF

casinghead

Wells

5

Production

1993-01 — 2002-09

Peak Month

1993-02

Production History

Cum Oil: 99,035 BBL Cum Gas: 139,745 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,047 BBL/mo

Di (annual)

22.1%

b-factor

0.0

EUR

110,933 BBL

R-squared

0.871

type

exponential

Operator History (from monthly production reports)

2007-08 — 2009-05 HILCORP ENERGY COMPANY 22 mo
2006-05 — 2007-07 VINTAGE PETROLEUM, LLC 15 mo
1997-04 — 2006-04 VINTAGE PETROLEUM, INC. 109 mo
1996-08 — 1997-03 BURLINGTON RESOURCES OIL&GAS CO. 8 mo
1996-03 — 1996-07 MERIDIAN OIL INC. 5 mo
1993-01 — 1996-02 MERIDIAN OIL PRODUCTION INC. 38 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
33642-239-02683HILCORP ENERGY COMPANY96,5532023-02-06
33242-239-02679HILCORP ENERGY COMPANY116,3542018-10-26
33042-239-02677HILCORP ENERGY COMPANY66,1902015-11-09
29942-239-02647HILCORP ENERGY COMPANY56,3252003-12-15
4842-239-02403HILCORP ENERGY COMPANY76,5801993-09-15