Patents by Inventor Robert Preston Clayton

Robert Preston Clayton 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).

  • Consumable downhole tools
    Patent number: 8322449
    Abstract: A method of removing a downhole tool from a wellbore comprising contacting the tool with a heat source wherein the tool comprises at least one load-bearing component comprising a thermally degradable material. A method of reducing the structural integrity of a downhole tool comprising fabricating the load-bearing components of the tool from a thermally degradable material. A method of removing a downhole tool comprising mechanically milling and/or drilling the tool from a wellbore wherein the tool comprises at least one load bearing component comprising a phenolic resin wherein the phenolic resin comprises a rosole, a novalac or combinations thereof.
    Type: Grant
    Filed: October 19, 2011
    Date of Patent: December 4, 2012
    Assignees: Halliburton Energy Services, Inc., MCR Oil Tools, LLC
    Inventors: Robert Preston Clayton, Kevin Berscheidt, Michael C. Robertson
  • Downhole tool releasing mechanism
    Patent number: 8215386
    Abstract: A downhole tool releasing mechanism which includes a collet for releasably engaging a mandrel of a downhole tool. A retaining band is circumferentially disposed about the fingers of the collet for maintaining engagement of the collet and the mandrel prior to application of a predetermined axially directed force on the releasing mechanism. Upon application of such a force the collet fingers expand, breaking the shear band, the mandrel is released and the downhole tool is disengaged.
    Type: Grant
    Filed: January 6, 2010
    Date of Patent: July 10, 2012
    Assignee: Halliburton Energy Services Inc.
    Inventors: Kevin R. Manke, Tracy M. Martin, Robert Preston Clayton