(19)
(11)
EP 0 888 489 A1
(12)
(43)
Date of publication:
07.01.1999
Bulletin 1999/01
(21)
Application number:
96911343.0
(22)
Date of filing:
20.03.1996
(51)
International Patent Classification (IPC):
E21B
43/
24
( . )
E21B
43/
30
( . )
(86)
International application number:
PCT/US1996/003718
(87)
International publication number:
WO 1997/035090
(
25.09.1997
Gazette 1997/41)
(84)
Designated Contracting States:
DE FR GB NL
(71)
Applicant:
MOBIL OIL CORPORATION
Fairfax, Virginia 22037-0001 (US)
(72)
Inventor:
BERT, David, Raff
Mandeville, LA 70448-1055 (US)
(74)
Representative:
Lawrence, Peter Robin Broughton
GILL JENNINGS & EVERY, Broadgate House, 7 Eldon Street
London EC2M 7LH
London EC2M 7LH (GB)
(54)
HYDROCARBON RECOVERY METHOD USING INVERTED PRODUCTION WELLS