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Class Information
Number: 166/359
Name: Wells > Submerged well > Means removably connected to permanent well structure > Removable riser
Description: Process or apparatus wherein the structure intended to be removed from the well is generally rigid, generally fixed structure extending from the well upwardly for fluid communication with the surface of the water.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7451822 |
Method for retrieving riser for storm evacuation |
Nov. 18, 2008 |
| 7438505 |
Heave compensated snubbing system and method |
Oct. 21, 2008 |
| 7389818 |
Method and device by a displacement tool |
Jun. 24, 2008 |
| 7373986 |
Riser connector |
May. 20, 2008 |
| 7337848 |
Preloaded riser coupling system |
Mar. 4, 2008 |
| 7337849 |
Co-linear tensioner and methods of installing and removing same |
Mar. 4, 2008 |
| 7331395 |
Riser make-up tool |
Feb. 19, 2008 |
| 7314088 |
System for retrieving a tubular element from a well |
Jan. 1, 2008 |
| 7237613 |
Underbalanced marine drilling riser |
Jul. 3, 2007 |
| 7210531 |
Protective element for a riser segment |
May. 1, 2007 |
| 7114885 |
Protection means for a flexible riser |
Oct. 3, 2006 |
| 7096958 |
Compliant buoyancy can guide |
Aug. 29, 2006 |
| 7073593 |
Method of drilling and operating a subsea well |
Jul. 11, 2006 |
| 7066686 |
Automatic control methods for positioning the lower end of a filiform structure, notably an oil pipe, at sea |
Jun. 27, 2006 |
| 7059416 |
Buoyancy can for offshore oil and gas riser |
Jun. 13, 2006 |
| 7040406 |
Subsea riser disconnect and method |
May. 9, 2006 |
| 7025535 |
Seafloor/surface connecting installation for a submarine pipeline which is connected to a riser by means of at least one elbow pipe element that is supported by a base |
Apr. 11, 2006 |
| 6886637 |
Cylinder-stem assembly to floating platform, gap controlling interface guide |
May. 3, 2005 |
| 6708765 |
Method and device for riser tensioning |
Mar. 23, 2004 |
| 6679331 |
Compliant buoyancy can guide |
Jan. 20, 2004 |
| 6644894 |
Passive apparatus and method for reducing fluid induced stresses by introduction of energetic flow into boundary layer around structures |
Nov. 11, 2003 |
| 6615915 |
High pressure side-by-side wellhead system |
Sep. 9, 2003 |
| 6601656 |
Method and apparatus for drilling an offshore underwater well |
Aug. 5, 2003 |
| 6595293 |
Apparatus and method for connecting riser between a floating vessel and a subsea structure |
Jul. 22, 2003 |
| 6561735 |
Well riser lateral restraint and installation system for offshore platform |
May. 13, 2003 |
| 6557637 |
Subsea riser disconnect and method |
May. 6, 2003 |
| 6551029 |
Active apparatus and method for reducing fluid induced stresses by introduction of energetic flow into boundary layer around an element |
Apr. 22, 2003 |
| 6540024 |
Small diameter external production riser tieback connector |
Apr. 1, 2003 |
| 6520262 |
Riser connector for a wellhead assembly and method for conducting offshore well operations using the same |
Feb. 18, 2003 |
| 6443240 |
Dual riser assembly, deep water drilling method and apparatus |
Sep. 3, 2002 |
| 6394195 |
Methods for the dynamic shut-in of a subsea mudlift drilling system |
May. 28, 2002 |
| 6386798 |
Universal catenary riser support |
May. 14, 2002 |
| 6382320 |
Method and system for offshore production of hydrocarbon fluids |
May. 7, 2002 |
| 6367846 |
Connector for pipe sections having integral buoyancy cans |
Apr. 9, 2002 |
| 6352116 |
Riser moving and guiding using shuttle plates |
Mar. 5, 2002 |
| 6352114 |
Deep ocean riser positioning system and method of running casing |
Mar. 5, 2002 |
| 6325159 |
Offshore drilling system |
Dec. 4, 2001 |
| 6321844 |
Hybrid riser and method for sub-sea transportation of petroleum products with the device |
Nov. 27, 2001 |
| 6309141 |
Gap spar with ducking risers |
Oct. 30, 2001 |
| 6293343 |
External tieback connector and method for tying back riser to subsea wellhead |
Sep. 25, 2001 |
| 6276456 |
Riser system for sub-sea wells and method of operation |
Aug. 21, 2001 |
| 6273193 |
Dynamically positioned, concentric riser, drilling method and apparatus |
Aug. 14, 2001 |
| 6234252 |
External tieback connector and method for tying back riser to subsea wellhead |
May. 22, 2001 |
| 6230824 |
Rotating subsea diverter |
May. 15, 2001 |
| 6231265 |
Self-aligning subsea latch mechanism |
May. 15, 2001 |
| 6220787 |
Ship type floating oil production system |
Apr. 24, 2001 |
| 6173781 |
Slip joint intervention riser with pressure seals and method of using the same |
Jan. 16, 2001 |
| 6170578 |
Monobore riser bore selector |
Jan. 9, 2001 |
| 6161620 |
Deepwater riser system |
Dec. 19, 2000 |
| 6155748 |
Deep water riser flotation apparatus |
Dec. 5, 2000 |
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