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Class Information
Number: 175/7
Name: Boring or penetrating the earth > Boring a submerged formation > Boring from floating support with submerged independent anchored guide base
Description: Subject matter, utilizing a base structure positioned on the underwater floor and completely covered by water when so positioned and a floating structure independent of the base structure, said floating structure and base structure cooperating to support and guide the drilling apparatus during the drilling operation.

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8668028 Underwater drilling arrangement and method for introducing a tubular foundation element into the bed of a body of water Mar. 11, 2014
8640790 Apparatus, system and method for motion compensation using wired drill pipe Feb. 4, 2014
8087466 Centralization and running tool and method Jan. 3, 2012
8033335 Offshore universal riser system Oct. 11, 2011
7984765 System and method for well intervention Jul. 26, 2011
7975771 Method for running casing while drilling system Jul. 12, 2011
7975770 Dual-BOP and common riser system Jul. 12, 2011
7958948 Method and system for return of drilling fluid Jun. 14, 2011
7938190 Anchored riserless mud return systems May. 10, 2011
7810583 Drilling systems and methods Oct. 12, 2010
7584796 Drilling rig Sep. 8, 2009
7448454 Method and system for return of drilling fluid from a sealed marine riser to a floating drilling rig while drilling Nov. 11, 2008
7367410 Method and device for liner system May. 6, 2008
7255180 Modular drill system requiring limited field assembly and limited equipment support Aug. 14, 2007
7252159 Underwater rock boring apparatus having differential global positioning system receiver and boring method thereof Aug. 7, 2007
7237623 Method for pressurized mud cap and reverse circulation drilling from a floating drilling rig using a sealed marine riser Jul. 3, 2007
7234546 Drilling and cementing casing system Jun. 26, 2007
7231981 Inline compensator for a floating drill rig Jun. 19, 2007
7093662 System for drilling oil and gas wells using a concentric drill string to deliver a dual density mud Aug. 22, 2006
7090036 System for drilling oil and gas wells by varying the density of drilling fluids to achieve near-balanced, underbalanced, or overbalanced drilling conditions Aug. 15, 2006
7086472 Device and method of collecting solids from a well Aug. 8, 2006
7083005 Apparatus and method of drilling with casing Aug. 1, 2006
7048470 Guide device in an offshore drilling installation May. 23, 2006
7021402 Method for using a multipurpose unit with multipurpose tower and a surface blow out preventer Apr. 4, 2006
7011152 Integrated subsea power pack for drilling and production Mar. 14, 2006
6968902 Drilling and producing deep water subsea wells Nov. 29, 2005
6926101 System and method for treating drilling mud in oil and gas well drilling applications Aug. 9, 2005
6913092 Method and system for return of drilling fluid from a sealed marine riser to a floating drilling rig while drilling Jul. 5, 2005
6904982 Subsea mud pump and control system Jun. 14, 2005
6899186 Apparatus and method of drilling with casing May. 31, 2005
6877565 Arrangement for the removal of cuttings and gas arising from drilling operations Apr. 12, 2005
6843331 Method and apparatus for varying the density of drilling fluids in deep water oil drilling applications Jan. 18, 2005
6840322 Subsea well intervention vessel Jan. 11, 2005
6817422 Automated riser recoil control system and method Nov. 16, 2004
6814167 Boring device and boring method Nov. 9, 2004
6763898 Dual hoist system Jul. 20, 2004
6745852 Platform for drilling oil and gas wells in arctic, inaccessible, or environmentally sensitive locations Jun. 8, 2004
6745853 Methods and apparatus for open hole drilling Jun. 8, 2004
6725936 Method for drilling a plurality of offshore underwater wells Apr. 27, 2004
6692194 Method for installing a conductor casing through a suction substructure Feb. 17, 2004
6637513 Riser pipe construction and module therefor Oct. 28, 2003
6622799 Method for subsea pod retrieval Sep. 23, 2003
6561735 Well riser lateral restraint and installation system for offshore platform May. 13, 2003
6536540 Method and apparatus for varying the density of drilling fluids in deep water oil drilling applications Mar. 25, 2003
6497286 Method and apparatus for drilling a plurality of offshore underwater wells Dec. 24, 2002
6494271 Offshore floating production method Dec. 17, 2002
6484820 Method and device for driving bore-holes, especially in the sea bed, using a guide tip Nov. 26, 2002
6470973 Side element of a drilling template Oct. 29, 2002
6457529 Apparatus and method for returning drilling fluid from a subsea wellbore Oct. 1, 2002
6457536 Method and system for exploiting natural resources under the seabed Oct. 1, 2002

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