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Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US424091513 Jul 197823 Dec 1980W. R. Grace & Co.Drilling mud viscosifier
US424092422 Mar 197923 Dec 1980W. R. Grace & Co.Compositions capable of forming aqueous systems having pseudoplastic properties
US424222311 Jul 197930 Dec 1980Deutsche Gold- und Silber-Scheideanstalt vormals RoesslerProcess for receiving, storing and handling aluminum hydroxide wet hydrate
US430186730 Jun 198024 Nov 1981Marathon Oil CompanyProcess for selectively reducing the permeability of a subterranean sandstone formation
US434944327 Feb 198114 Sep 1982W. R. Grace & Co.Viscosifier and fluid loss control system
US436607027 Feb 198128 Dec 1982W. R. Grace & Co.Viscosifier & fluid loss control system
US44288452 Dec 198131 Jan 1984W. R. Grace & Co.Viscosifier and fluid loss control system
US44731242 May 198325 Sep 1984Mobil Oil CorporationMethod for operating rotary drilling under conditions of high cuttings transport efficiency
US44734796 Dec 198225 Sep 1984W. R. Grace & Co.Viscosifier and fluid loss control system
US515120321 Jun 199129 Sep 1992Halliburton CompanyComposition and method for cementing a well
US533572523 Jul 19939 Aug 1994Shell Oil CompanyWellbore cementing method
USRE317482 Dec 198227 Nov 1984W. R. Grace & Co.Viscosifier and fluid loss control system