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Brevets

Référencé par

Brevet citant Date de dépôt Date de délivrance Cessionnaire d'origine Titre
US419038311 janv. 197826 févr. 1980Pynford LimitedStructural element
US685748730 déc. 200222 févr. 2005Weatherford/Lamb, Inc.Drilling with concentric strings of casing
US689607511 oct. 200224 mai 2005Weatherford/Lamb, Inc.Apparatus and methods for drilling with casing
US689918613 déc. 200231 mai 2005Weatherford/Lamb, Inc.Apparatus and method of drilling with casing
US695309631 déc. 200211 oct. 2005Weatherford/Lamb, Inc.Expandable bit with secondary release device
US69941765 mars 20047 févr. 2006Weatherford/Lamb, Inc.Adjustable rotating guides for spider or elevator
US700426414 mars 200328 févr. 2006Weatherford/Lamb, Inc.Bore lining and drilling
US701399715 déc. 200321 mars 2006Weatherford/Lamb, Inc.Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US70366106 juil. 20022 mai 2006Weatherford / Lamb, Inc.Apparatus and method for completing oil and gas wells
US704042019 nov. 20039 mai 2006Weatherford/Lamb, Inc.Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US70480502 oct. 200323 mai 2006Weatherford/Lamb, Inc.Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US707359823 juil. 200311 juil. 2006Weatherford/Lamb, Inc.Apparatus and methods for tubular makeup interlock
US708300531 mai 20051 août 2006Weatherford/Lamb, Inc.Apparatus and method of drilling with casing
US709002116 mars 200415 août 2006Apparatus for connecting tublars using a top drive
US70900239 mai 200515 août 2006Weatherford/Lamb, Inc.Apparatus and methods for drilling with casing
US70936751 août 200122 août 2006Weatherford/Lamb, Inc.Drilling method
US709698227 févr. 200429 août 2006Weatherford/Lamb, Inc.Drill shoe
US710071018 déc. 20035 sept. 2006Weatherford/Lamb, Inc.Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US71007132 avr. 20015 sept. 2006Weatherford/Lamb, Inc.Expandable apparatus for drift and reaming borehole
US710808424 déc. 200319 sept. 2006Weatherford/Lamb, Inc.Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US711795725 mai 200410 oct. 2006Weatherford/Lamb, Inc.Methods for drilling and lining a wellbore
US712815429 janv. 200431 oct. 2006Weatherford/Lamb, Inc.Single-direction cementing plug
US712816120 sept. 200531 oct. 2006Weatherford/Lamb, Inc.Apparatus and methods for facilitating the connection of tubulars using a top drive
US713150522 févr. 20057 nov. 2006Weatherford/Lamb, Inc.Drilling with concentric strings of casing
US713745413 mai 200521 nov. 2006Weatherford/Lamb, Inc.Apparatus for facilitating the connection of tubulars using a top drive
US71404455 mars 200428 nov. 2006Weatherford/Lamb, Inc.Method and apparatus for drilling with casing
US71470685 déc. 200312 déc. 2006Weatherford / Lamb, Inc.Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US71656342 oct. 200323 janv. 2007Weatherford/Lamb, Inc.Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US718868727 juil. 200413 mars 2007Weatherford/Lamb, Inc.Downhole filter
US71918405 mars 200420 mars 2007Weatherford/Lamb, Inc.Casing running and drilling system
US721365626 avr. 20048 mai 2007Weatherford/Lamb, Inc.Apparatus and method for facilitating the connection of tubulars using a top drive
US721672721 déc. 200015 mai 2007Weatherford/Lamb, Inc.Drilling bit for drilling while running casing
US721974429 nov. 200522 mai 2007Weatherford/Lamb, Inc.Method and apparatus for connecting tubulars using a top drive
US72289011 déc. 200512 juin 2007Weatherford/Lamb, Inc.Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US72345429 févr. 200626 juin 2007Weatherford/Lamb, Inc.Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US72640671 oct. 20044 sept. 2007Weatherford/Lamb, Inc.Method of drilling and completing multiple wellbores inside a single caisson
US728461720 mai 200423 oct. 2007Weatherford/Lamb, Inc.Casing running head
US730302227 avr. 20044 déc. 2007Weatherford/Lamb, Inc.Wired casing
US73111489 févr. 200425 déc. 2007Weatherford/Lamb, Inc.Methods and apparatus for wellbore construction and completion
US73256105 mars 20045 févr. 2008Weatherford/Lamb, Inc.Methods and apparatus for handling and drilling with tubulars or casing
US73346502 févr. 200426 févr. 2008Weatherford/Lamb, Inc.Apparatus and methods for drilling a wellbore using casing
US73605945 mars 200422 avr. 2008Weatherford/Lamb, Inc.Drilling with casing latch
US73707075 avr. 200413 mai 2008Weatherford/Lamb, Inc.Method and apparatus for handling wellbore tubulars
US739588219 févr. 20048 juil. 2008Baker Hughes IncorporatedCasing and liner drilling bits
US74130205 mars 200419 août 2008Weatherford/Lamb, Inc.Full bore lined wellbores
US750339729 juil. 200517 mars 2009Weatherford/Lamb, Inc.Apparatus and methods of setting and retrieving casing with drilling latch and bottom hole assembly
US75097225 mars 200331 mars 2009Weatherford/Lamb, Inc.Positioning and spinning device
US76178668 sept. 200517 nov. 2009Weatherford/Lamb, Inc.Methods and apparatus for connecting tubulars using a top drive
US762135111 mai 200724 nov. 2009Baker Hughes IncorporatedReaming tool suitable for running on casing or liner
US762481823 sept. 20051 déc. 2009Baker Hughes IncorporatedEarth boring drill bits with casing component drill out capability and methods of use
US765094411 juil. 200326 janv. 2010Weatherford/Lamb, Inc.Vessel for well intervention
US771252314 mars 200311 mai 2010Weatherford/Lamb, Inc.Top drive casing system
US773096530 janv. 20068 juin 2010Weatherford/Lamb, Inc.
Shell Oil Company
Retractable joint and cementing shoe for use in completing a wellbore
US774847530 oct. 20076 juil. 2010Baker Hughes IncorporatedEarth boring drill bits with casing component drill out capability and methods of use
US775778424 juin 200520 juil. 2010Baker Hughes IncorporatedDrilling methods utilizing independently deployable multiple tubular strings
US785705211 mai 200728 déc. 2010Weatherford/Lamb, Inc.Stage cementing methods used in casing while drilling
US785707824 avr. 200828 déc. 2010Baker Hughes IncorporatedCutting tools and methods of making the same
US790070323 nov. 20098 mars 2011Baker Hughes IncorporatedMethod of drilling out a reaming tool
US793820128 févr. 200610 mai 2011Weatherford/Lamb, Inc.Deep water drilling with casing
US795457020 sept. 20067 juin 2011Baker Hughes IncorporatedCutting elements configured for casing component drillout and earth boring drill bits including same
US795457112 févr. 20087 juin 2011Baker Hughes IncorporatedCutting structures for casing component drillout and earth-boring drill bits including same
US800678529 mai 200830 août 2011Baker Hughes IncorporatedCasing and liner drilling bits and reamers
US81670597 juil. 20111 mai 2012Baker Hughes IncorporatedCasing and liner drilling shoes having spiral blade configurations, and related methods
US817700127 avr. 201115 mai 2012Baker Hughes IncorporatedEarth-boring tools including abrasive cutting structures and related methods
US81916542 mai 20115 juin 2012Baker Hughes IncorporatedMethods of drilling using differing types of cutting elements
US82056937 juil. 201126 juin 2012Baker Hughes IncorporatedCasing and liner drilling shoes having selected profile geometries, and related methods
US82258877 juil. 201124 juil. 2012Baker Hughes IncorporatedCasing and liner drilling shoes with portions configured to fail responsive to pressure, and related methods
US82258887 juil. 201124 juil. 2012Baker Hughes IncorporatedCasing shoes having drillable and non-drillable cutting elements in different regions and related methods
USRE428779 juil. 20101 nov. 2011Weatherford/Lamb, Inc.Methods and apparatus for wellbore construction and completion