< leases

BILLY C

Oil · District 8A · Lease #67349

Operator: WHITING OIL AND GAS CORPORATION

Fields: BILLY (ABO)

Cum Oil

368k BBL

Cum Gas

27k MCF

casinghead

Wells

2

Production

1994-12 — 2005-08

Peak Month

1997-06

Production History

Cum Oil: 367,838 BBL Cum Gas: 27,127 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,983 BBL/mo

Di (annual)

79.1%

b-factor

1.0

EUR

448,316 BBL

R-squared

0.935

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
1995-02 — 1996-07 MERIDIAN OIL INC. 18 mo
1994-12 — 1995-01 WAGNER & BROWN, LTD. 2 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-279-30324EXTEX OPERATING COMPANY27,1501997-04-03
142-279-30318EXTEX OPERATING COMPANY18,0001994-11-04