Patents by Inventor Carel W. I. Hoyer

Carel W. I. Hoyer 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).

  • Monobore construction with dual expanders
    Patent number: 8020625
    Abstract: A method and apparatus of expanding tubing. The method may include expanding a first portion of an expandable tubing into contact with a surrounding tubing using an upper expander; expanding a second portion of the expandable tubing that extends beyond the surrounding tubing using a lower expander; and further expanding the first portion of the expandable tubing using the lower expander, thereby expanding the surrounding tubing. The apparatus may include a fluted expander coupled to a first end of the expandable tubing; and a collapsible cone disposed inside the expandable tubing.
    Type: Grant
    Filed: April 23, 2009
    Date of Patent: September 20, 2011
    Assignee: Weatherford/Lamb, Inc.
    Inventors: Lev Ring, Carel W. I. Hoyer
  • MONOBORE CONSTRUCTION WITH DUAL EXPANDERS
    Publication number: 20090266560
    Abstract: A method and apparatus of expanding tubing is provided. The method may include expanding a first portion of an expandable tubing into contact with a surrounding tubing using a first expander; expanding a second portion of the expandable tubing that extends beyond the surrounding tubing using a second expander; and further expanding the first portion of the expandable tubing using the second expander, thereby expanding the surrounding tubing. The apparatus may include a fluted expander coupled to a first end of the expandable tubing; and a collapsible cone disposed inside the expandable tubing.
    Type: Application
    Filed: April 23, 2009
    Publication date: October 29, 2009
    Inventors: Lev Ring, Carel W.I. Hoyer