Patents by Inventor Amir H. Mahmoudkhani

Amir H. Mahmoudkhani 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).

  • Well service fluid composition and method of using microemulsions as flowback aids
    Patent number: 10494565
    Abstract: The present invention relates to a new Winsor type IV microemulsion system for faster return of well service fluid and enhanced production of hydrocarbon-containing fluids in fractured tight subterranean formations, where the microemulsion system includes a surfactant subsystem including at least one glucamide sugar surfactant, a solvent subsystem and a co-solvent subsystem and to methods for making and using same.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: December 3, 2019
    Assignee: Clariant International Ltd.
    Inventors: Jonathan Wylde, Amir H. Mahmoudkhani, Martin Bauer
  • Defoaming Compositions
    Publication number: 20190016940
    Abstract: Cement compositions and processes for reducing air entrainment in a cement composition generally include mixing a hydraulic cement with a defoamer compositions including one or more organic acid ester polymers selected from an organic acid ester of polyethylene oxide polymer, an organic acid ester of polypropylene oxide polymer, and a mixture thereof. The compositions may further comprise an organic acid ester of an ethylene oxide-propylene oxide block copolymer.
    Type: Application
    Filed: September 18, 2018
    Publication date: January 17, 2019
    Inventors: Amir H. Mahmoudkhani, Bava Luciana, Robert E. Wilson
  • Defoaming compositions
    Patent number: 10077392
    Abstract: Cement compositions and processes for reducing air entrainment in a cement composition generally include mixing a hydraulic cement with a defoamer compositions including one or more organic acid ester polymers selected from an organic acid ester of polyethylene oxide polymer, an organic acid ester of polypropylene oxide polymer, and a mixture thereof. The compositions may further comprise an organic acid ester of an ethylene oxide-propylene oxide block copolymer.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: September 18, 2018
    Assignee: Kemira Oyj
    Inventors: Amir H. Mahmoudkhani, Bava Luciana, Robert E. Wilson
  • PROCESSES FOR TREATING TAILINGS STREAMS
    Publication number: 20180002608
    Abstract: Provided are processes for treating a tailings stream which comprises water and solids, the process comprising: (i) adding one or more anionic polymer flocculants and one or more nonionic polymer flocculants to the tailings stream; (ii) allowing at least a portion of the solids to flocculate; and (iii) separating at least a portion of the flocculated solids from the tailings stream.
    Type: Application
    Filed: May 30, 2017
    Publication date: January 4, 2018
    Inventors: Philip Watson, Krystle Stewart, Amir H. Mahmoudkhani, Thomas Fenderson
  • Well Service Fluid Composition and Method of Using Microemulsions as Flowback Aids
    Publication number: 20170292062
    Abstract: The present invention relates to a new Winsor type IV microemulsion system for faster return of well service fluid and enhanced production of hydrocarbon-containing fluids in fractured tight subterranean formations, where the microemulsion system includes a surfactant subsystem including at least one glucamide sugar surfactant, a solvent subsystem and a co-solvent subsystem and to methods for making and using same.
    Type: Application
    Filed: September 9, 2015
    Publication date: October 12, 2017
    Applicant: Clariant International, Ltd.
    Inventors: Jonathan Wylde, Amir H. MAHMOUDKHANI, Martin BAUER
  • Defoaming compositions and processes for cementing applications
    Patent number: 9475975
    Abstract: Cement compositions and processes for reducing air entrainment in a cement composition generally include mixing a hydraulic cement with a defoamer composition including an organic acid ester of a polyoxyethylene-polyoxypropylene block copolymer.
    Type: Grant
    Filed: February 28, 2011
    Date of Patent: October 25, 2016
    Assignee: Kemira Oyj
    Inventors: Amir H. Mahmoudkhani, Robert E. Wilson, Luciana Bava, Jacob A. Rocker
  • PROCESSES FOR TREATING TAILINGS STREAMS
    Publication number: 20150027929
    Abstract: Provided are processes for treating a tailings stream which comprises water and solids, the process comprising: (i) adding one or more anionic polymer flocculants and one or more nonionic polymer flocculants to the tailings stream; (ii) allowing at least a portion of the solids to flocculate; and (iii) separating at least a portion of the flocculated solids from the tailings stream.
    Type: Application
    Filed: July 23, 2014
    Publication date: January 29, 2015
    Inventors: Philip Watson, Krystle Stewart, Amir H. Mahmoudkhani, Thomas Fenderson
  • Powder Defoaming Compositions and Methods of Reducing Gas Entrainment In Fluids
    Publication number: 20140352963
    Abstract: Powder defoaming compositions comprising one or more water soluble alkali salts, and one or more defoaming agents. Also disclosed are compositions including flowable materials and a defoaming composition, and methods for reducing the amount of gas present in a fluid using said defoaming compositions.
    Type: Application
    Filed: June 15, 2012
    Publication date: December 4, 2014
    Inventors: Amir H. Mahmoudkhani, Robert Wilson, Frederique Cocquerelle, Lucianna Bava
  • Defoaming Compositions
    Publication number: 20140090845
    Abstract: Cement compositions and processes for reducing air entrainment in a cement composition generally include mixing a hydraulic cement with a defoamer compositions including one or more organic acid ester polymers selected from an organic acid ester of polyethylene oxide polymer, an organic acid ester of polypropylene oxide polymer, and a mixture thereof. The compositions may further comprise an organic acid ester of an ethylene oxide-propylene oxide block copolymer.
    Type: Application
    Filed: September 28, 2012
    Publication date: April 3, 2014
    Applicant: KEMIRA OYJ
    Inventors: Amir H. Mahmoudkhani, Bava Luciana, Robert E. Wilson
  • DEFOAMING COMPOSITIONS AND PROCESSES FOR CEMENTING APPLICATIONS
    Publication number: 20120220692
    Abstract: Cement compositions and processes for reducing air entrainment in a cement composition generally include mixing a hydraulic cement with a defoamer composition including an organic acid ester of a polyoxyethylene-polyoxypropylene block copolymer.
    Type: Application
    Filed: February 28, 2011
    Publication date: August 30, 2012
    Applicant: KEMIRA OYJ
    Inventors: Amir H. Mahmoudkhani, Robert E. Wilson, Luciana Bava, Jacob A. Rocker