Title:
IMPROVED FLOW CONTROL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2012/160377
Kind Code:
A3
Abstract:
A downhole flow control apparatus comprising: at least one tubular body (1) locatable at a zone of a well, the tubular body (1) having a longitudinal through bore and one or more transverse ports (5a, 5b) and a port covering device (3) which, in use, is movable from a lower position in which the or each port is covered to an upper position in which the or each port is open; and at least one plugging device (6) which is operable to travel downhole from the surface to locate within and seal the through bore of the tubular body, the plugging device including moving means (10) to cause the port covering device (3) to move from the lower position to the upper position thus allowing fluid communication between the through bore and the or each port (5a, 5b)..
Inventors:
MARTIN DAVID GLEN (GB)
VAN DORT ROLAND MARCEL (GB)
VAN DORT ROLAND MARCEL (GB)
Application Number:
PCT/GB2012/051162
Publication Date:
October 10, 2013
Filing Date:
May 24, 2012
Export Citation:
Assignee:
CALEDYNE LTD (GB)
MARTIN DAVID GLEN (GB)
VAN DORT ROLAND MARCEL (GB)
MARTIN DAVID GLEN (GB)
VAN DORT ROLAND MARCEL (GB)
International Classes:
E21B34/14; E21B34/00
Domestic Patent References:
| WO2010007403A1 | 2010-01-21 |
Foreign References:
| US4429747A | 1984-02-07 | |||
| US20070221373A1 | 2007-09-27 | |||
| US20060124310A1 | 2006-06-15 |
Attorney, Agent or Firm:
HARRISON GODDARD FOOTE (50 West Nile Street, Glasgow G1 2NP, GB)
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