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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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7407022 |
Apparatus for pumping drill cuttings and dual cylinder positive displacement pump for moving drill cuttings and method of use |
Aug. 5, 2008 |
| 7296628 |
Downhole swivel apparatus and method |
Nov. 20, 2007 |
| 7270185 |
Drilling system and method for controlling equivalent circulating density during drilling of wellbores |
Sep. 18, 2007 |
| 7264058 |
Arrangement and method for regulating bottom hole pressures when drilling deepwater offshore wells |
Sep. 4, 2007 |
| 7255180 |
Modular drill system requiring limited field assembly and limited equipment support |
Aug. 14, 2007 |
| 7237613 |
Underbalanced marine drilling riser |
Jul. 3, 2007 |
| 7188677 |
Tensioning system for production tubing in a riser at a floating installation for hydrocarbon production |
Mar. 13, 2007 |
| 7083005 |
Apparatus and method of drilling with casing |
Aug. 1, 2006 |
| 7083004 |
Cantilevered multi purpose tower and method for installing drilling equipment |
Aug. 1, 2006 |
| 7055623 |
Method for the drilling of the initial phase of deep water oil wells with an underwater well head |
Jun. 6, 2006 |
| 7021402 |
Method for using a multipurpose unit with multipurpose tower and a surface blow out preventer |
Apr. 4, 2006 |
| 6988553 |
Horizontal spool tree wellhead system and method |
Jan. 24, 2006 |
| 6913084 |
Method and apparatus for controlling well pressure while undergoing subsea wireline operations |
Jul. 5, 2005 |
| 6899186 |
Apparatus and method of drilling with casing |
May. 31, 2005 |
| 6854532 |
Subsea wellbore drilling system for reducing bottom hole pressure |
Feb. 15, 2005 |
| 6834723 |
System and method for riser recoil control |
Dec. 28, 2004 |
| 6823950 |
Method for formation pressure control while drilling |
Nov. 30, 2004 |
| 6805200 |
Horizontal spool tree wellhead system and method |
Oct. 19, 2004 |
| 6789981 |
Riser tensioning construction |
Sep. 14, 2004 |
| 6745853 |
Methods and apparatus for open hole drilling |
Jun. 8, 2004 |
| 6745851 |
Methods and system for processing of drilling fluid |
Jun. 8, 2004 |
| 6745852 |
Platform for drilling oil and gas wells in arctic, inaccessible, or environmentally sensitive locations |
Jun. 8, 2004 |
| 6729804 |
Cantilevered tower for jack-up platform |
May. 4, 2004 |
| 6715962 |
Assembly and floatation method for drilling drivepipe |
Apr. 6, 2004 |
| 6712560 |
Riser support for floating offshore structure |
Mar. 30, 2004 |
| 6672407 |
Method of drilling, analyzing and stabilizing a terrestrial or other planetary subsurface formation |
Jan. 6, 2004 |
| 6668943 |
Method and apparatus for controlling pressure and detecting well control problems during drilling of an offshore well using a gas-lifted riser |
Dec. 30, 2003 |
| 6659182 |
Retrievable suction embedment chamber assembly |
Dec. 9, 2003 |
| 6626248 |
Assembly and method for jarring a drilling drive pipe into undersea formation |
Sep. 30, 2003 |
| 6601656 |
Method and apparatus for drilling an offshore underwater well |
Aug. 5, 2003 |
| 6571873 |
Method for controlling bottom-hole pressure during dual-gradient drilling |
Jun. 3, 2003 |
| 6530437 |
Multi-gradient drilling method and system |
Mar. 11, 2003 |
| 6524049 |
Semi-submersible, mobile drilling vessel with storage shaft for tubular drilling equipment |
Feb. 25, 2003 |
| 6517291 |
Riser tensioning construction |
Feb. 11, 2003 |
| 6494271 |
Offshore floating production method |
Dec. 17, 2002 |
| 6457529 |
Apparatus and method for returning drilling fluid from a subsea wellbore |
Oct. 1, 2002 |
| 6454022 |
Riser tube for use in great sea depth and method for drilling at such depths |
Sep. 24, 2002 |
| 6422324 |
Method and device for driving bore-holes, in the sea bed using a counterflush method |
Jul. 23, 2002 |
| 6415877 |
Subsea wellbore drilling system for reducing bottom hole pressure |
Jul. 9, 2002 |
| 6412574 |
Method of forming a subsea borehole from a drilling vessel in a body of water of known depth |
Jul. 2, 2002 |
| 6354384 |
Surface effect drilling craft for obtaining continuous core samples |
Mar. 12, 2002 |
| 6343507 |
Method to improve the quality of a formation fluid sample |
Feb. 5, 2002 |
| 6328107 |
Method for installing a well casing into a subsea well being drilled with a dual density drilling system |
Dec. 11, 2001 |
| 6325158 |
Method and device for mounting of a seabed installation |
Dec. 4, 2001 |
| 6315061 |
Brine-based drilling fluids for ballast tank storage |
Nov. 13, 2001 |
| 6278937 |
Method and apparatus for controlling the position of floating rig |
Aug. 21, 2001 |
| 6263981 |
Deepwater drill string shut-off valve system and method for controlling mud circulation |
Jul. 24, 2001 |
| 6244359 |
Subsea diverter and rotating drilling head |
Jun. 12, 2001 |
| 6217258 |
Dual hoist derrick system for deep sea drilling |
Apr. 17, 2001 |
| 6216799 |
Subsea pumping system and method for deepwater drilling |
Apr. 17, 2001 |
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