Patents by Inventor Oleg Valeryevich Zhdaneev

Oleg Valeryevich Zhdaneev 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: 11530595
    Abstract: The present disclosure generally relates to systems and methods for horizontal well completions, including dual monobore completions, without certain well intervention operations. More specifically, the embodiments described herein generally eliminate certain well intervention operations, such as cleaning of cementing-related equipment and accessories (e.g., plugs, balls, and so forth), performing logging operations, running and cementing intermediate casings, and so forth. In certain embodiments, a production casing may be run into a wellbore and cemented into place within the wellbore directly adjacent a surface casing of the well. In certain embodiments, the production casing comprises first and second tubular sections longitudinally separated by an intermediate tapered section.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: December 20, 2022
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Haydar Gokhan Aker, Oleg Valeryevich Zhdaneev, Gokhan Saygi
  • Publication number: 20210238954
    Abstract: The present disclosure generally relates to systems and methods for horizontal well completions, including dual monobore completions, without certain well intervention operations. More specifically, the embodiments described herein generally eliminate certain well intervention operations, such as cleaning of cementing-related equipment and accessories (e.g., plugs, balls, and so forth), performing logging operations, running and cementing intermediate casings, and so forth. In certain embodiments, a production casing may be run into a wellbore and cemented into place within the wellbore directly adjacent a surface casing of the well. In certain embodiments, the production casing comprises first and second tubular sections longitudinally separated by an intermediate tapered section.
    Type: Application
    Filed: August 24, 2018
    Publication date: August 5, 2021
    Inventors: Haydar Gokhan Aker, Oleg Valeryevich Zhdaneev, Gokhan Saygi