Patents by Inventor Timothy A. Pillow

Timothy A. Pillow 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).

  • Open water running tool and lockdown sleeve assembly
    Patent number: 7028777
    Abstract: A running tool 10, a lockdown sleeve 27, and a seal ring 24 are provided for axially fixing upward movement of a tubular hanger with respect to a subsea wellhead. The running tool 10 includes a tool latching and unlatching mechanism 51 for axially connecting the running tool to the subsea wellhead housing, a tool force applicator 64 for exerting a downward setting force, and a sleeve latching mechanism 73 for securing the lockdown sleeve to the subsea wellhead housing 20. The seal 24 is provided between the lockdown sleeve and one of the tubular hanger and the wellhead housing. The method of the invention includes running the tool and sleeve in open water to the subsea wellhead housing, locking the tool to the housing, setting the seal, locking the sleeve to the housing, then retrieving the tool in open water.
    Type: Grant
    Filed: October 16, 2003
    Date of Patent: April 18, 2006
    Assignee: Dril-Quip, Inc.
    Inventors: Morris B. Wade, Gregory D. Williams, Lionel J. Milberger, Timothy A. Pillow
  • Open water running tool and lockdown sleeve assembly
    Publication number: 20040238175
    Abstract: A running tool 10, a lockdown sleeve 27, and a seal ring 24 are provided for axially fixing upward movement of a tubular hanger with respect to a subsea wellhead. The running tool 10 includes a tool latching and unlatching mechanism 51 for axially connecting the running tool to the subsea wellhead housing, a tool force applicator 64 for exerting a downward setting force, and a sleeve latching mechanism 73 for securing the lockdown sleeve to the subsea wellhead housing 20. The seal 24 is provided between the lockdown sleeve and one of the tubular hanger and the wellhead housing. The method of the invention includes running the tool and sleeve in open water to the subsea wellhead housing, locking the tool to the housing, setting the seal, locking the sleeve to the housing, then retrieving the tool in open water.
    Type: Application
    Filed: October 16, 2003
    Publication date: December 2, 2004
    Inventors: Morris B. Wade, Gregory D. Williams, Lionel J. Milberger, Timothy A. Pillow