Patents by Inventor Wally S. McClanahan

Wally S. McClanahan 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 injection of tubing into wells
    Patent number: 5765643
    Abstract: Apparatus for injecting tubing into a well having a tubing storage means and an injector device with a means for applying variable pressure to the coil tubing. The injector device is designed to accommodate tubing with couplings and other downhole tools without damaging the tubing. Also provided is a method of injecting and retrieving a length of coil tubing having couplings and other downhole tools that is tubing friendly.
    Type: Grant
    Filed: May 6, 1996
    Date of Patent: June 16, 1998
    Assignee: Vita International, Inc.
    Inventors: Khaled Shaaban, Wally S. McClanahan, James Bodhaine