Patents by Inventor Nelson Akaighe

Nelson Akaighe 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: 11084968
    Abstract: A composition for use in various down-hole operations in oil and gas wells. The compositions can include various combinations of certain ethers and other components e.g., esters, alkoxylated alcohols, acidizing agents and hydrocarbon co-solvents. The compositions are useful in a wide variety of down-hole applications particularly well cleaning, filter cake removal and well stimulation techniques e.g., acidizing.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: August 10, 2021
    Assignee: Sasol Chemicals GmbH
    Inventors: Nelson Akaighe, Jorge Fernandez, Christian Jones
  • Patent number: 10711175
    Abstract: A composition and method for controlling heavy hydrocarbons in down-hole environments and with associated equipment used in oil and gas well operations. The composition and method comprising an ether and optionally an ester, an alkoxylated alcohol or a hydrocarbon co-solvent. The compositions and methods are useful in controlling heavy hydrocarbons such as paraffins and asphaltenes by dissolving paraffins, suspending paraffins and asphaltenes and dissolving heavy oils, both down-hole and with associated equipment.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: July 14, 2020
    Assignee: Sasol Performance Chemicals GmbH
    Inventors: Nelson Akaighe, Jorge Fernandez, Christian Jones, Paul Filler
  • Publication number: 20190233710
    Abstract: A composition for use in various down-hole operations in oil and gas wells. The compositions can include various combinations of certain ethers and other components e.g., esters, alkoxylated alcohols, acidizing agents and hydrocarbon co-solvents. The compositions are useful in a wide variety of down-hole applications particularly well cleaning, filter cake removal and well stimulation techniques e.g., acidizing.
    Type: Application
    Filed: April 12, 2019
    Publication date: August 1, 2019
    Inventors: Nelson Akaighe, Jorge Fernandez, Christian Jones
  • Patent number: 10259986
    Abstract: A composition for use in various down-hole operations in oil and gas wells. The compositions can include various combinations of certain ethers and other components e.g., esters, alkoxylated alcohols, acidizing agents and hydrocarbon co-solvents. The compositions are useful in a wide variety of down-hole applications particularly well cleaning, filter cake removal and well stimulation techniques e.g., acidizing.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: April 16, 2019
    Assignee: Sasol Performance Chemicals GmbH
    Inventors: Nelson Akaighe, Jorge Fernandez, Christian Jones
  • Publication number: 20170158943
    Abstract: A composition for use in various down-hole operations in oil and gas wells. The compositions can include various combinations of certain ethers and other components e.g., esters, alkoxylated alcohols, acidizing agents and hydrocarbon co-solvents. The compositions are useful in a wide variety of down-hole applications particularly well cleaning, filter cake removal and well stimulation techniques e.g., acidizing.
    Type: Application
    Filed: July 14, 2015
    Publication date: June 8, 2017
    Inventors: Nelson Akaighe, Jorge Fernandez, Christian Jones
  • Publication number: 20170145290
    Abstract: A composition and method for controlling heavy hydrocarbons in down-hole environments and with associated equipment used in oil and gas well operations. The composition and method comprising an ether and optionally an ester, an alkoxylated alcohol or a hydrocarbon co-solvent. The compositions and methods are useful in controlling heavy hydrocarbons such as paraffins and asphaltenes by dissolving paraffins, suspending paraffins and asphaltenes and dissolving heavy oils, both down-hole and with associated equipment.
    Type: Application
    Filed: July 14, 2015
    Publication date: May 25, 2017
    Inventors: Nelson Akaighe, Jorge Fernandez, Christian Jones, Paul Filler