Patents by Inventor Michael Maclurg

Michael Maclurg 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).

  • Velocity strings
    Patent number: 9228405
    Abstract: A velocity string installation method comprises the steps of: removing an existing safety valve from a production tubing safety valve nipple; running a velocity string into the production tubing to engage the safety valve nipple; and then running a velocity string safety valve into the velocity string and coupling the safety valve with a port at the safety valve nipple.
    Type: Grant
    Filed: May 23, 2012
    Date of Patent: January 5, 2016
    Assignee: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
    Inventors: Roddie Smith, Michael Maclurg, Wolfgang Birner
  • Velocity Strings
    Publication number: 20120298377
    Abstract: A velocity string installation method comprises the steps of: removing an existing safety valve from a production tubing safety valve nipple; running a velocity string into the production tubing to engage the safety valve nipple; and then running a velocity string safety valve into the velocity string and coupling the safety valve with a port at the safety valve nipple.
    Type: Application
    Filed: May 23, 2012
    Publication date: November 29, 2012
    Inventors: Roddie Smith, Michael Maclurg, Wolfgang Birner