Patents by Inventor Andrey Reznichenko

Andrey Reznichenko 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: 8227382
    Abstract: A method of cleaning a wellbore drilled with a drilling fluid that forms a filter cake that includes emplacing a breaker fluid into the wellbore, the breaker fluid comprising: an aqueous fluid; a fragmentation agent; and an amphoteric chemotrope; and shutting in the well for a period of time sufficient to initiate breaking of the filter cake is disclosed.
    Type: Grant
    Filed: November 24, 2008
    Date of Patent: July 24, 2012
    Assignee: M-I L.L.C.
    Inventors: Eugene Dakin, Andrey Reznichenko, Hui Zhang
  • Publication number: 20100300967
    Abstract: A method of cleaning a wellbore drilled with a drilling fluid that forms a filter cake that includes emplacing a breaker fluid into the wellbore, the breaker fluid comprising: an aqueous fluid; a fragmentation agent; and an amphoteric chemotrope; and shutting in the well for a period of time sufficient to initiate breaking of the filter cake is disclosed.
    Type: Application
    Filed: November 24, 2008
    Publication date: December 2, 2010
    Applicant: M-I LLC
    Inventors: Eugene Dakin, Andrey Reznichenko, Hui Zhang