Patents by Inventor Andrei Fillipov

Andrei Fillipov 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).

  • EXTENDED REACH DRILLING APPARATUS & METHOD
    Publication number: 20070107941
    Abstract: A method for drilling a well in a formation including inserting a thruster, a first conduit, and a drill bit into a wellbore lined with a previous casing and applying a force to the first conduit with the thruster so that the thruster grips onto the previous casing.
    Type: Application
    Filed: October 25, 2006
    Publication date: May 17, 2007
    Inventors: Andrei Fillipov, Fu Hou