Title:
SYSTEM AND METHOD FOR CONTROLLING THE FLOW OF FLUID IN BRANCHED WELLS
Document Type and Number:
WIPO Patent Application WO/2009/113870
Kind Code:
A3
Abstract:
A system for controlling the flow of fluid in a branched well from a reservoir (29), the system comprising a completed main well (27) having at least one uncompleted branch well (25), an annulus (24) defined between the reservoir (29) and a production pipe (1) of the completed main well (27) and at least two successive swell packers or constrictors (26) defining at least one longitudinal section of the main well (27) and within which at least one branch well (25) is arranged, and comprising at least one autonomous valve (2) arranged in said longitudinal section of the main well (27) defined between said two successive swell packers or constrictors (26). The uncompleted branch wells (25) are provided to increase the drainage area, i.e. maximum reservoir contact (MRC). Disclosed is also a method for controlling the flow of fluid in a branched well from a reservoir (29).
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Inventors:
MATHIESEN VIDAR (NO)
AAKRE HAAVARD (NO)
AAKRE HAAVARD (NO)
Application Number:
PCT/NO2009/000088
Publication Date:
August 19, 2010
Filing Date:
March 10, 2009
Export Citation:
Assignee:
STATOILHYDRO ASA (NO)
MATHIESEN VIDAR (NO)
AAKRE HAAVARD (NO)
MATHIESEN VIDAR (NO)
AAKRE HAAVARD (NO)
International Classes:
E21B33/12; E21B33/124; E21B34/08; E21B41/00; E21B43/08; E21B43/12; E21B43/14; E21B43/30
Domestic Patent References:
| WO2008004875A1 | 2008-01-10 |
Foreign References:
| US20030221834A1 | 2003-12-04 | |||
| US20030024700A1 | 2003-02-06 | |||
| US5337808A | 1994-08-16 | |||
| US20010013412A1 | 2001-08-16 |
Attorney, Agent or Firm:
ZACCO NORWAY AS (Vika, Oslo, NO)
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