Patents by Inventor David BLUMER

David BLUMER 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).

  • Wax deposit removal using aqueous surfactant
    Patent number: 11427749
    Abstract: A method and system for removing wax deposits from a wellbore and other oil production and processing equipment using a wax removal surfactant having at least 1% alkyl polyglycoside (APG), at least 0.5% ethoxylated alcohol (AE) or alcohol ethoxysulfates (AES), and at least 1% saturated alcohol, and optionally comprising D-Limonene, wherein the wax removal surfactant solution forms a Winsor Type III or Type IV microemulsion with water and wax.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: August 30, 2022
    Assignee: CONOCOPHILLIPS COMPANY
    Inventors: Yaqin Wu, Ying Xu, David Blumer
  • WAX DEPOSIT REMOVAL USING AQUEOUS SURFACTANT
    Publication number: 20210002540
    Abstract: A method and system for removing wax deposits from a wellbore and other oil production and processing equipment using a wax removal surfactant having at least 1% alkyl polyglycoside (APG), at least 0.5% ethoxylated alcohol (AE) or alcohol ethoxysulfates (AES), and at least 1% saturated alcohol, and optionally comprising D-Limonene, wherein the wax removal surfactant solution forms a Winsor Type III or Type IV microemulsion with water and wax.
    Type: Application
    Filed: July 6, 2020
    Publication date: January 7, 2021
    Inventors: Yaquin WU, Ying XU, David BLUMER
  • Preflush chemicals for scale inhibitor squeeze
    Patent number: 10550308
    Abstract: A method and system for removing water from the near wellbore during scale inhibitor squeeze treatments.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: February 4, 2020
    Assignee: ConocoPhillips Company
    Inventors: David Blumer, Ying Xu, Greg McLelland, Judy Waters
  • PREFLUSH CHEMICALS FOR SCALE INHIBITOR SQUEEZE
    Publication number: 20190040299
    Abstract: A method and system for removing water from the near wellbore during scale inhibitor squeeze treatments.
    Type: Application
    Filed: October 12, 2018
    Publication date: February 7, 2019
    Inventors: David Blumer, Ying Xu, Greg McLelland, Judy Waters
  • PREFLUSH CHEMICALS FOR SCALE INHIBITOR SQUEEZE
    Publication number: 20170260441
    Abstract: A method and system for removing water from the near wellbore during scale inhibitor squeeze treatments.
    Type: Application
    Filed: March 13, 2017
    Publication date: September 14, 2017
    Inventors: David BLUMER, Ying XU, Greg MCLELLAND, Judy WATERS