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Oil · District 8A · Lease #67558

Operator: WHITING OIL AND GAS CORPORATION

Fields: BILLY (ABO)

Cum Oil

248k BBL

Cum Gas

25k MCF

casinghead

Wells

2

Production

1996-04 — 2005-08

Peak Month

1998-11

Production History

Cum Oil: 247,730 BBL Cum Gas: 24,716 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,680 BBL/mo

Di (annual)

51.8%

b-factor

0.6

EUR

327,137 BBL

R-squared

0.908

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
1996-04 — 1996-07 MERIDIAN OIL INC. 4 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-279-30346EXTEX OPERATING COMPANY26,9501997-12-30
142-279-30334EXTEX OPERATING COMPANY27,1501996-12-20