Title:
SYSTEM AND METHOD FOR RECOMPLETION OF OLD WELLS
Document Type and Number:
WIPO Patent Application WO/2009/123472
Kind Code:
A3
Abstract:
A system for recompletion of an old well (24) in order to achieve an increased oil recovery from a reservoir (26), said system comprising a pipe (27) inserted into the old well (24), at least two constrictors or swell packers (29) being arranged along the length of the recompleted well (24, 27) and defining a well section between two successive constrictors or swell packers (29), said system further comprising at least one autonomous valve (2) arranged in said well section defined between said two successive swell packers or constrictors (29). Disclosed is also a method for recompletion of an old well (24) in order to achieve an increased oil recovery from a reservoir (26).
Inventors:
MATHIESEN VIDAR (NO)
AAKRE HAAVARD (NO)
AAKRE HAAVARD (NO)
Application Number:
PCT/NO2009/000124
Publication Date:
August 19, 2010
Filing Date:
April 01, 2009
Export Citation:
Assignee:
STATOILHYDRO ASA (NO)
MATHIESEN VIDAR (NO)
AAKRE HAAVARD (NO)
MATHIESEN VIDAR (NO)
AAKRE HAAVARD (NO)
International Classes:
E21B33/124; E21B43/12; E21B34/08
Domestic Patent References:
| WO2008004875A1 | 2008-01-10 |
Foreign References:
| US20080041582A1 | 2008-02-21 | |||
| US20020189815A1 | 2002-12-19 | |||
| GB2325949A | 1998-12-09 | |||
| US20080041581A1 | 2008-02-21 | |||
| US20080041580A1 | 2008-02-21 | |||
| US20060175065A1 | 2006-08-10 |
Attorney, Agent or Firm:
BERGHEIM, Olav (P.O. Box 2003 Vika, 0slo, NO)
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