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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US452243026 Ago 198111 Jun 1985Halliburton CompanyQuick connect coupler
US45249984 May 198225 Jun 1985Halliburton CompanyTubular connecting device
US457488229 Oct 198411 Mar 1986Halliburton CompanyPlug container
US46131618 Mar 198523 Sep 1986Halliburton CompanyCoupling device
US491718414 Feb 198917 Abr 1990Halliburton CompanyCement head and plug
US515255418 Dic 19906 Oct 1992LaFleur Petroleum Services, Inc.Coupling apparatus
US528265318 Dic 19911 Feb 1994LaFleur Petroleum Services, Inc.Coupling apparatus
US534835131 Ene 199420 Sep 1994LaFleur Petroleum Services, Inc.Coupling apparatus
US54431225 Ago 199422 Ago 1995Halliburton CompanyPlug container with fluid pressure responsive cleanout
US555366726 Abr 199510 Sep 1996Weatherford U.S., Inc.Cementing system
US578797916 Abr 19964 Ago 1998Weatherford/Lamb, Inc.Wellbore cementing system
US581345729 Ago 199629 Sep 1998Weatherford/Lamb, Inc.Wellbore cementing system
US596723131 Oct 199719 Oct 1999Halliburton Energy Services, Inc.Plug release indication method
US59710795 Sep 199726 Oct 1999Casing filling and circulating apparatus
US605605312 Sep 19972 May 2000Weatherford/Lamb, Inc.Cementing systems for wellbores
US608245117 Dic 19974 Jul 2000Weatherford/Lamb, Inc.Wellbore shoe joints and cementing systems
US61737779 Feb 199916 Ene 2001Single valve for a casing filling and circulating apparatus
US624435020 Jul 199912 Jun 2001Weatherford/Lamb, Inc.Apparatus for launching at least one plug into a tubular in a wellbore
US639019025 Sep 199821 May 2002Offshore Energy Services, Inc.Tubular filling system
US641586214 Ago 20009 Jul 2002Tubular filling system
US660457818 Ene 200212 Ago 2003Tubular filling system
US66758898 Ago 200013 Ene 2004Offshore Energy Services, Inc.Tubular filling system
US671554212 Jun 20036 Abr 2004Tubular filling system
US67224259 Nov 200120 Abr 2004Offshore Energy Services, Inc.Tubular filling system
US677959918 Ene 200224 Ago 2004Offshore Energy Services, Inc.Tubular filling system
US734110520 Jun 200611 Mar 2008Holcim (US) Inc.Cementitious compositions for oil well cementing applications
US752768819 Dic 20075 May 2009Holcim (US) Inc.Cementitious compositions for oil well cementing applications