Patents by Inventor David Andrew Anderton

David Andrew Anderton 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).

  • Method and apparatus for expanding tubing downhole
    Patent number: 7073583
    Abstract: Aspects of the invention relate to apparatus and methods for remedial and repair operations downhole. Certain embodiments of apparatus include a lightweight expandable member (22) that can be radially expanded to increased its inner and outer diameters using an inflatable element (34). The lightweight member (22) can be used to repair a fautly safety vavle flapper (12) for example. The invention also relates to lateral tubular adapter apparatus and a method of hanging a lateral from a cased borehole.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: July 11, 2006
    Assignee: e2Tech Limited
    Inventors: David Andrew Anderton, Christopher Callaway, Alan Mackenzie
  • Method and apparatus
    Publication number: 20040074640
    Abstract: Aspects of the invention relate to apparatus and methods for remedial and repair operations downhole. Certain embodiments of apparatus include a lightweight expandable member (22) that can be radially expanded to increased its inner and outer diameters using an inflatable element (34). The lightweight member (22) can be used to repair a fautly safety vavle flapper (12) for example. The invention also relates to lateral tubular adapter apparatus and a method of hanging a lateral from a cased borehole.
    Type: Application
    Filed: November 3, 2003
    Publication date: April 22, 2004
    Inventors: David Andrew Anderton, Christopher Callaway, Alan Mackenzie