Patents by Inventor William M. Fore

William M. Fore 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).

  • Wireline set/tubing retrieve packer type bridge plug
    Patent number: 4648446
    Abstract: A packer type bridge plug for use in wells which may be set upon a wireline and retrieved upon a tubing string. The retrieval of the bridge plug is facilitated by the positive retraction of the upper and lower wedge members from beneath the slips during the retrieval process.
    Type: Grant
    Filed: June 27, 1985
    Date of Patent: March 10, 1987
    Assignee: Halliburton Company
    Inventors: William M. Fore, Kenneth D. Caskey
  • Wireline set/tubing retrieve packer type bridge plug
    Patent number: 4545431
    Abstract: A packer type bridge plug for use in wells which may be set upon a wireline and retrieved upon a tubing string.
    Type: Grant
    Filed: May 23, 1984
    Date of Patent: October 8, 1985
    Assignee: Halliburton Company
    Inventor: William M. Fore
  • Well packer
    Patent number: 4524825
    Abstract: The packer of the present invention includes mandrel means having first ratchet means and lug means disposed thereon, second ratchet means and drag spring means associated with tubular housing means surrounding said mandrel means, said housing means including slot means on the interior thereof, radially expandable slip means disposed about said mandrel means, a compressible packer element disposed about the lower end of said mandrel means, and packer element compression means associated with said mandrel means and said housing means.
    Type: Grant
    Filed: December 1, 1983
    Date of Patent: June 25, 1985
    Assignee: Halliburton Company
    Inventor: William M. Fore