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Class Information
Number: 166/365
Name: Wells > Submerged well > With provision for disassembly
Description: Device wherein intentional provisions in the well structure allow the portions of the well to be separated one from the other.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8689881 Offshore unit and method of installing wellhead platform using the offshore unit Apr. 8, 2014
8672037 Plug removal and setting system Mar. 18, 2014
8555981 Riser weak link Oct. 15, 2013
8499839 Connection device Aug. 6, 2013
8464797 Subsea control module with removable section and method Jun. 18, 2013
8403058 Offshore unit and method of installing wellhead platform using the offshore unit Mar. 26, 2013
8322441 Open water recoverable drilling protector Dec. 4, 2012
8286712 Deploying an electrically-activated tool into a subsea well Oct. 16, 2012
8235124 Variable buoyancy subsea running tool Aug. 7, 2012
8210264 Subsea overload release system and method Jul. 3, 2012
8151890 System, method and apparatus for a modular production tree assembly to reduce weight during transfer of tree to rig Apr. 10, 2012
8127854 System and method for rigging up well workover equipment Mar. 6, 2012
7762338 Orientation-less ultra-slim well and completion system Jul. 27, 2010
7537057 Slimline tieback connector May. 26, 2009
7487836 Riserless modular subsea well intervention, method and apparatus Feb. 10, 2009
7472755 Method for inspection and repair of a flexible joint Jan. 6, 2009
7451822 Method for retrieving riser for storm evacuation Nov. 18, 2008
7426963 Piggable flowline-riser system Sep. 23, 2008
7331394 Autonomous well intervention system Feb. 19, 2008
7243729 Subsea junction plate assembly running tool and method of installation Jul. 17, 2007
7036598 Intervention module for a well May. 2, 2006
6964304 Technique for maintaining pressure integrity in a submersible system Nov. 15, 2005
6763890 Modular coiled tubing system for drilling and production platforms Jul. 20, 2004
RE38458 Vertical stab tendon bottom connector and method for securing and releasing the same Mar. 9, 2004
6568875 Connector intended for use with tension leg platform May. 27, 2003
6550537 Tension latching system Apr. 22, 2003
6488093 Deep water intervention system Dec. 3, 2002
6367554 Riser method and apparatus Apr. 9, 2002
6336508 Subsea, releasable bop funnel Jan. 8, 2002
6325160 Undersea drilling template release mechanism and method Dec. 4, 2001
6293344 Retainer valve Sep. 25, 2001
6260624 Internal production riser primary tieback Jul. 17, 2001
6227300 Slimbore subsea completion system and method May. 8, 2001
6182762 Storm valve Feb. 6, 2001
6142233 Tree running tool with actuator for latch Nov. 7, 2000
6131517 Method and apparatus for removing abandoned offshore fixed platforms Oct. 17, 2000
6129149 Wellhead connector Oct. 10, 2000
6102626 Caisson wellhead system and method of installing the same Aug. 15, 2000
6070668 Blowout preventer spanner joint with emergency disconnect capability Jun. 6, 2000
6068427 System and method for replacement of components on sea bottom-based installations May. 30, 2000
6062312 Tree running tool with emergency release May. 16, 2000
6032742 Blowout preventer control system Mar. 7, 2000
5984012 Emergency recovery system for use in a subsea environment Nov. 16, 1999
5582252 Hydrocarbon transport system Dec. 10, 1996
5582253 Debris barrier with a downhole tool setting assembly Dec. 10, 1996
5560436 Single drilling guide base for subsea oil wells Oct. 1, 1996
5419398 Drive system for turning a swivel May. 30, 1995
5372198 Abandonment of sub-sea wells Dec. 13, 1994
5316089 Method and apparatus for drilling a subsea well May. 31, 1994
5213162 Submarine wellhead May. 25, 1993

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