Patents by Inventor John Touchet

John Touchet 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).

  • Apparatus and method for drilling a wellbore with casing and cementing the casing in the wellbore
    Patent number: 7234522
    Abstract: A float system for use in cementing a casing in a wellbore. The wellbore is drilled with a drill bit attached to the casing. The drill bit is removed after the wellbore is drilled. The float system is lowered into the casing after the drill bit is removed. The float system includes a packer apparatus with a float apparatus, preferably a float shoe, attached to the end thereof. The packer apparatus is set in the casing to hold the float shoe in position. A bottom cementing plug is placed in the casing and is urged downwardly until it engages the upper end of the packer apparatus. The cement will flow through the packer apparatus and the float apparatus to fill the annulus between the casing and the wellbore.
    Type: Grant
    Filed: December 18, 2002
    Date of Patent: June 26, 2007
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Michael R. Johnson, John Touchet, Scott Myers, Robert W. Srubar
  • Apparatus and method for drilling a wellbore with casing and cementing the casing in the wellbore
    Publication number: 20040118560
    Abstract: A float system for use in cementing a casing in a wellbore. The wellbore is drilled with a drill bit attached to the casing. The drill bit is removed after the wellbore is drilled. The float system is lowered into the casing after the drill bit is removed. The float system includes a packer apparatus with a float apparatus, preferably a float shoe, attached to the end thereof. The packer apparatus is set in the casing to hold the float shoe in position. A bottom cementing plug is placed in the casing and is urged downwardly until it engages the upper end of the packer apparatus. The cement will flow through the packer apparatus and the float apparatus to fill the annulus between the casing and the wellbore.
    Type: Application
    Filed: December 18, 2002
    Publication date: June 24, 2004
    Inventors: Michael R. Johnson, John Touchet, Scott Myers, Robert W. Srubar