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Class Information
Number: 175/5
Name: Boring or penetrating the earth > Boring a submerged formation
Description: Process or apparatus comprising a step or means for sinking a well, shaft or deep boring in the surface of the earth lying below a body of water, (e.g., ocean, lake or river).










Sub-classes under this class:

Class Number Class Name Patents
175/7 Boring from floating support with submerged independent anchored guide base 243
175/9 Boring from nonbuoyant support 54
175/8 Boring from submerged buoyant support 27
175/10 Boring with submersible vertically movable guide 18
175/6 Boring with underwater tool drive prime mover 33


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8678094 Multiple activity rig Mar. 25, 2014
8631874 Apparatus and method for managed pressure drilling Jan. 21, 2014
8607894 Offshore thermal treatment of drill cuttings fed from a bulk transfer system Dec. 17, 2013
8607895 Drilling fluid additive for reducing lost circulation in a drilling operation Dec. 17, 2013
8590634 Subsea drilling Nov. 26, 2013
8528666 Method and apparatus for disposal of cuttings Sep. 10, 2013
8517111 Systems and methods for circulating out a well bore influx in a dual gradient environment Aug. 27, 2013
8496063 Separation of drill cuttings from drilling fluid on a seabed Jul. 30, 2013
8453758 Dual density mud return system Jun. 4, 2013
8347982 System and method for managing heave pressure from a floating rig Jan. 8, 2013
8342249 Offshore drilling system Jan. 1, 2013
8322460 Dual density mud return system Dec. 4, 2012
8322439 Arrangement and method for regulating bottom hole pressures when drilling deepwater offshore wells Dec. 4, 2012
8316945 Downhole swivel apparatus and method Nov. 27, 2012
8316963 Cuttings processing system Nov. 27, 2012
8267201 Method and apparatus for disposal of cuttings Sep. 18, 2012
8256520 Drill ship Sep. 4, 2012
8253790 Cylinder stroke system with laser proximity detector Aug. 28, 2012
8176985 Well drilling and production using a surface blowout preventer May. 15, 2012
8162063 Dual gradient drilling ship Apr. 24, 2012
RE43199 Arrangement and method for regulating bottom hole pressures when drilling deepwater offshore wells Feb. 21, 2012
8096371 Method and apparatus for disposal of cuttings Jan. 17, 2012
8079426 Integrated drilling deck and bop handling Dec. 20, 2011
8074738 Offshore thermal treatment of drill cuttings fed from a bulk transfer system Dec. 13, 2011
8033335 Offshore universal riser system Oct. 11, 2011
8011435 Subsea lateral drilling Sep. 6, 2011
7975770 Dual-BOP and common riser system Jul. 12, 2011
7975771 Method for running casing while drilling system Jul. 12, 2011
7958938 System and vessel for supporting offshore fields Jun. 14, 2011
7950463 Method and arrangement for removing soils, particles or fluids from the seabed or from great sea depths May. 31, 2011
7938190 Anchored riserless mud return systems May. 10, 2011
7934561 Depth compensated subsea passive heave compensator May. 3, 2011
7921917 Multi-deployable subsea stack system Apr. 12, 2011
7913764 Return line mounted pump for riserless mud return system Mar. 29, 2011
7886848 Method and apparatus for disposal of cuttings Feb. 15, 2011
7866399 Apparatus and method for managed pressure drilling Jan. 11, 2011
7828064 Downhole swivel apparatus and method Nov. 9, 2010
7819204 Subsea drilling Oct. 26, 2010
7770655 Conductor casing installation by anchor handling/tug/supply vessel Aug. 10, 2010
7740415 Manhole cutting and removing device Jun. 22, 2010
7730965 Retractable joint and cementing shoe for use in completing a wellbore Jun. 8, 2010
7703534 Underwater seafloor drilling rig Apr. 27, 2010
7677329 Method and device for controlling drilling fluid pressure Mar. 16, 2010
7669670 Procedure for installing horizontal drains for uptake of sea water Mar. 2, 2010
7658228 High pressure system Feb. 9, 2010
7644784 Transport watercraft Jan. 12, 2010
7628224 Shallow/intermediate water multipurpose floating platform for arctic environments Dec. 8, 2009
7628225 Drilling device Dec. 8, 2009
7513310 Method and arrangement for performing drilling operations Apr. 7, 2009
7506702 Method and apparatus for disposal of cuttings Mar. 24, 2009

1 2 3 4










 
 
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