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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US39586417 Mar 197425 May 1976Halliburton CompanySelf-decentralized hydra-jet tool
US397363022 May 197510 Ago 1976Seaboard Oil & Gas Co.Wash-out tool and method of use thereof
US467135911 Mar 19869 Jun 1987Atlantic Richfield CompanyApparatus and method for solids removal from wellbores
US474442022 Jul 198717 May 1988Atlantic Richfield CompanyWellbore cleanout apparatus and method
US49215772 Ago 19881 May 1990Method for operating a well to remove production limiting or flow restrictive material
US561154711 Ene 199618 Mar 1997Baker Hughes IncorporatedElongated seal assembly for sealing well tubing-to liner annulus
US697397130 May 200313 Dic 2005Down hole well cleaning apparatus
US70442266 May 200316 May 2006AGR Subsea ASMethod and a device for removing a hydrate plug
USH6353 Abr -13Injection mandrel