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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US419661925 Sep 19788 Abr 1980The United States of America as represented by the Administrator of the National Aeronautics and Space AdministrationGeological assessment probe
US435324930 Oct 198012 Oct 1982Systems, Science and SoftwareMethod and apparatus for in situ determination of permeability and porosity
US439237631 Mar 198112 Jul 1983S-CubedMethod and apparatus for monitoring borehole conditions
US442097523 May 198320 Dic 1983Marathon Oil CompanySystem and method for determining the relative permeability of an earth formation surrounding a wellbore
US44428957 Sep 198217 Abr 1984S-CubedMethod of hydrofracture in underground formations
US449580515 Mar 198329 Ene 1985Texaco Inc.In-situ permeability determining method
US480075315 Ago 198631 Ene 1989Compagnie Francaise Des PetrolesGeomechanical probe for a drilling well
US48038732 Dic 198714 Feb 1989Schlumberger Technology CorporationProcess for measuring flow and determining the parameters of multilayer hydrocarbon producing formations
US49429234 May 198924 Jul 1990Apparatus for isolating a testing zone in a bore hole screen casing
US609844815 Abr 19988 Ago 2000In situ measurement apparatus and method of measuring soil permeability and fluid flow
US722202213 Jul 200122 May 2007Schlumberger Technology CorporationMethod of determining properties relating to an underbalanced well
US733766012 May 20044 Mar 2008Halliburton Energy Services, Inc.Method and system for reservoir characterization in connection with drilling operations
US757164419 Dic 200711 Ago 2009Halliburton Energy Services, Inc.Characterizing a reservoir in connection with drilling operations
US776213119 Dic 200727 Jul 2010System for predicting changes in a drilling event during wellbore drilling prior to the occurrence of the event
US80158692 Sep 200813 Sep 2011Schlumberger Technology CorporationMethods and apparatus to perform pressure testing of geological formations

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