< leases

PERKINS

Oil · District 8A · Lease #67493

Operator: WHITING OIL AND GAS CORPORATION

Fields: BILLY (ABO)

Cum Oil

263k BBL

Cum Gas

19k MCF

casinghead

Wells

2

Production

1995-12 — 2005-08

Peak Month

1996-03

Production History

Cum Oil: 263,408 BBL Cum Gas: 18,647 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,930 BBL/mo

Di (annual)

147.1%

b-factor

1.6

EUR

538,828 BBL

R-squared

0.955

type

hyperbolic

Operator History (from monthly production reports)

2004-10 — 2006-07 WHITING OIL AND GAS CORPORATION 22 mo
2002-06 — 2004-09 CROWNQUEST OPERATING, LLC 28 mo
2001-01 — 2002-05 BURLINGTON RES O&G CO-PERMIAN 17 mo
1996-08 — 2000-12 BURLINGTON RESOURCES OIL&GAS CO. 53 mo
1995-12 — 1996-07 MERIDIAN OIL INC. 8 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-279-30331EXTEX OPERATING COMPANY27,1501995-12-29
142-279-30321EXTEX OPERATING COMPANY27,3501995-03-29