Shell Offshore Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 888
 
  
 
E02B HYDRAULIC ENGINEERING 513
 
  
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 419
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 1137
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL169

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6289992 Variable pressure pump through nozzleJul 20, 99Sep 18, 01[E21B]
6276455 Subsea gas separation system and method for offshore drillingSep 24, 98Aug 21, 01[E21B]
6263981 Deepwater drill string shut-off valve system and method for controlling mud circulationSep 24, 98Jul 24, 01[E21B]
6216799 Subsea pumping system and method for deepwater drillingSep 24, 98Apr 17, 01[E21B]
6186239 Casing annulus remediation systemJul 20, 99Feb 13, 01[E21B]
5927405 Casing annulus remediation systemMay 13, 98Jul 27, 99[E21B]
5755533 Tendon foundation guide cone assembly and methodDec 16, 94May 26, 98[E02D]
5741089 Method for enhanced redeployability of hyjack platformsDec 23, 94Apr 21, 98[E02B, E02D]
D384574 Grating clip for securing fiberglass deck elements to an offshore platformSep 20, 95Oct 07, 97[0805]
5648575 Method for inhibiting the plugging of conduits by gas hydratesJan 10, 95Jul 15, 97[C07C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
D366825 Grating clipExpiredDec 23, 94Feb 06, 96[]
5237949 Floating platform shallow draft hull/deck matingExpiredMay 29, 92Aug 24, 93[E02B]
5161619 Offshore pollution prevention during well work-over operationsExpiredSep 18, 91Nov 10, 92[E21B]
5161620 Subsea production wellhead assemblyExpiredJun 27, 91Nov 10, 92[E21B]
5159891 Adjustable boat mooring system for a flexibly-supported tension leg platformExpiredAug 22, 91Nov 03, 92[B63B]
5146990 Anchoring structure for marine riser assemblyExpiredApr 30, 91Sep 15, 92[E21B]
5143483 Hydraulic stab subassembly for remotely operated vehicle vertical interface toolExpiredMay 06, 91Sep 01, 92[F16L]
5129460 Guide base coverExpiredApr 30, 91Jul 14, 92[E21B]
5044826 Method and apparatus for umbilical hydraulic control lines in floating production systemsExpiredNov 26, 86Sep 03, 91[F21B]
5006845 Gas kick detectorExpiredJun 13, 89Apr 09, 91[G01V]
5001677 Methods for processing and displaying seismic dataExpiredOct 16, 89Mar 19, 91[G01V]
4972907 Method of conducting well operations from a moveable floating platformExpiredAug 10, 87Nov 27, 90[E21B]
4907657 Method for protecting a shallow water wellExpiredSep 07, 88Mar 13, 90[E02B, E02D]
4867611 Installation of multipiece jackets using a lead docking poleExpiredDec 14, 87Sep 19, 89[E02B, E02D, E21B]
4862568 Apparatus to drill and tap a hollow underwater memberExpiredJun 03, 88Sep 05, 89[B23B, B23G, E02D]
4854779 Installation of multipiece jackets using mating pinsExpiredDec 14, 87Aug 08, 89[E02B, E02D]
4834177 Unidirectional filter for hydraulic systemsExpiredNov 25, 87May 30, 89[B01D]
4830541 Suction-type ocean-floor wellheadExpiredMay 30, 86May 16, 89[E02D, E21B]
4784225 Well valve assembly method and apparatusExpiredMar 26, 86Nov 15, 88[E21B]
4776727 Quick release platform grouting valve systemExpiredJun 08, 87Oct 11, 88[E02B]

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