Use of helically wound tubular structure in the downhole environment

Details for Australian Patent Application No. 2001275035 (hide)

Owner Schlumberger Technology B.V.

Inventors Johnson, Craig D.; Bixenman, Patrick W.; Zimmerman, Thomas H.

Agent Griffith Hack

Pub. Number AU-B-2001275035

PCT Pub. Number WO01/92680

Priority 60208623 01.06.00 US; 09870190 30.05.01 US

Filing date 31 May 2001

Wipo publication date 11 December 2001

Acceptance publication date 29 June 2006

International Classifications

E21B 29/10 (2006.01) Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows

E21B 41/00 (2006.01) Equipment or details not covered by groups

E21B 43/10 (2006.01) Obtaining fluids from wells

F16L 55/165 (2006.01) Devices or appurtenances for use in, or in connection with, pipes or pipe systems

Event Publications

26 February 2004 Assignment before Grant

  Schlumberger Technology Corporation The application has been assigned to Schlumberger Technology B.V.

29 June 2006 Application Accepted

  Published as AU-B-2001275035

26 October 2006 Standard Patent Sealed

12 January 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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