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Brevets

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Brevet citant Date de dépôt Date de délivrance Cessionnaire d'origine Titre
US421723114 août 197812 août 1980Standard Oil Company (Indiana)Low fluid loss foam
US423274130 juil. 197911 nov. 1980Shell Oil CompanyTemporarily plugging a subterranean reservoir with a self-foaming aqueous solution
US442974629 juil. 19817 févr. 1984Method and apparatus for disposing of drilling muds and wastes generated during well drilling operations and for plugging and abandoning the well
US506756412 oct. 199026 nov. 1991Marathon Oil CompanySelective placement of a permeability-reducing material to inhibit fluid communication between a near well bore interval and an underlying aquifer
US57169108 sept. 199510 févr. 1998Halliburton CompanyFoamable drilling fluid and methods of use in well drilling operations
US661939912 mars 200316 sept. 2003Halliburton Energy Services, Inc.Foamed compositions and methods of use in subterranean zones
US692092912 mars 200326 juil. 2005Halliburton Energy Services, Inc.Reverse circulation cementing system and method
US70404199 juil. 20039 mai 2006Halliburton Energy Services, Inc.Foamed compositions and methods of use in subterranean zones
US74906685 août 200417 févr. 2009Halliburton Energy Services, Inc.Method for designing and constructing a well with enhanced durability

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