Patents by Inventor Kent T. Fink

Kent T. Fink 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).

  • Up and down travelling disc valve assembly apparatus
    Patent number: 5205361
    Abstract: A travelling disc valve assembly, comprising a length of tubing lowered down a cased wellbore; a crossover tool secured to the lower end of the length of tubing; a length of wash pipe secured to the lower end of the crossover tool; a disc valve assembly secured to the wash pipe and positioned to a lower circulation position in the well bore; a disc valve secured in a bore of the assembly; a shearing device in the upper portion of the assembly for shearing off the connection between the wash pipe and the disc valve assembly, when the disc valve assembly is in an upper position, providing a way to prevent fluid from flowing into the formation below the disc valve and to prevent production flow to the surface; and a rupturer/disengager to rupture and/or disengage the disc valve at a predetermined time so that the production within the formation is allowed to flow through the assembly bore to the surface.
    Type: Grant
    Filed: December 2, 1991
    Date of Patent: April 27, 1993
    Assignee: Completion Services, Inc.
    Inventors: David Farley, Kent T. Fink
  • Travelling disc valve apparatus
    Patent number: 5137088
    Abstract: A travelling disc valve assembly, comprising a length of tubing lowered down a cased wellbore; a crossover tool secured to the lower end of the length of tubing; a length of wash pipe secured to the lower end of the crossover tool; a disc valve assembly secured to the wash pipe and positioned to a lower circulation position in the well bore; a disc valve secured in a bore of the assembly; in the upper portion of the assembly for shearing off the connection between the wash pipe and the disc valve assembly, when the disc valve assembly is in an upper position, providing to prevent fluid from flowing into the formation below the disc valve and to prevent production flow to the surface; and a to rupture the disc valve at a predetermined time so that the production within the formation is allowed to flow through the assembly bore to the surface.
    Type: Grant
    Filed: April 30, 1991
    Date of Patent: August 11, 1992
    Assignee: Completion Services, Inc.
    Inventors: David L. Farley, Kent T. Fink
  • Travelling disc valve apparatus
    Patent number: RE34758
    Abstract: A travelling disc valve assembly, comprising a length of tubing lowered down a cased wellbore; a crossover tool secured to the lower end of the length of tubing; a length of wash pipe secured to the lower end of the crossover tool; a disc valve assembly secured to the wash pipe and positioned to a lower circulation position in the well bore; a disc valve secured in a bore of the assembly; in the upper, portion of the assembly for shearing off the connection between the wash pipe and the disc valve assembly, when the disc valve assembly is in an upper position, providing to prevent fluid from flowing into the formation below the disc valve and to prevent production flow to the surface; and a to rupture the disc valve at a predetermined time so that the production within the formation is allowed to flow through the assembly bore to the surface.
    Type: Grant
    Filed: February 11, 1993
    Date of Patent: October 18, 1994
    Assignee: Osca
    Inventors: David L. Farley, Kent T. Fink