Patents by Inventor James R. VonKrosigk

James R. VonKrosigk has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7211550
    Abstract: An aqueous-based composition containing cesium formate and at least one chelating agent is described. Methods of removing scaling deposits, which may include alkaline earth metal sulfates, present on surfaces, including porous media, such as alkaline earth metal sulfate buildup in a well bore, is also described, wherein the method includes contacting the alkaline earth metal sulfate with the compositions of the present invention to remove the scaling deposits. A completion fluid containing at least one alkali metal formate, at least one acid and/or at least one chelating agent, and optionally at least one surfactant or mutual solvent is also described. Methods of removing a filter cake from a well bore surface, which may include weighting agents such as calcium carbonate, is also described, wherein the method includes contacting the filter cake with the completion fluid of the present invention.
    Type: Grant
    Filed: July 6, 2001
    Date of Patent: May 1, 2007
    Assignee: Cabot Corporation
    Inventors: William J. Benton, Neal F. Magri, James R. VonKrosigk, Michael T. Pelletier
  • Patent number: 6984610
    Abstract: Acid based micro-emulsions are disclosed comprising water, an acid blend, an anionic surfactant, a nonionic surfactant, a co-solvent, a solvent and an oxidizer. The micro-emulsions have particular utility in cleaning oil sludges and drilling mud residues from well cuttings, well formations and down hole and surface oil well drilling and production equipment.
    Type: Grant
    Filed: July 2, 2003
    Date of Patent: January 10, 2006
    Assignee: Integrity Industries, Inc.
    Inventors: James R. VonKrosigk, William M. Duncan
  • Publication number: 20040063795
    Abstract: Acid based micro-emulsions are disclosed comprising water, an acid blend, an anionic surfactant, a nonionic surfactant, a co-solvent, a solvent and an oxidizer. The micro-emulsions have particular utility in cleaning oil sludges and drilling mud residues from well cuttings, well formations and down hole and surface oil well drilling and production equipment.
    Type: Application
    Filed: July 2, 2003
    Publication date: April 1, 2004
    Applicant: Integrity Industies, Inc.
    Inventors: James R. VonKrosigk, William M. Duncan
  • Publication number: 20020117457
    Abstract: An aqueous-based composition containing cesium formate and at least one chelating agent is described. Methods of removing scaling deposits, which may include alkaline earth metal sulfates, present on surfaces, including porous media, such as alkaline earth metal sulfate buildup in a well bore, is also described, wherein the method includes contacting the alkaline earth metal sulfate with the compositions of the present invention to remove the scaling deposits. A completion fluid containing at least one alkali metal formate, at least one acid and/or at least one chelating agent, and optionally at least one surfactant or mutual solvent is also described. Methods of removing a filter cake from a well bore surface, which may include weighting agents such as calcium carbonate, is also described, wherein the method includes contacting the filter cake with the completion fluid of the present invention.
    Type: Application
    Filed: July 6, 2001
    Publication date: August 29, 2002
    Inventors: William J. Benton, Neal F. Magri, James R. VonKrosigk, Michael T. Pelletier