Patents by Inventor Jack T. Thompson

Jack T. Thompson 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).

  • Patent number: 5550331
    Abstract: A surfactant composition is used to repel down-hole fluids such as crude oil and water to prevent their adherence to a down-hole instrument for an extended period of time. A down-hole fluid repelling surfactant, preferably in the form of a liquid solution, is applied to an exterior surface of the instrument, dried, and polished to prevent down-hole fluids from adhering to the surface. A preferred liquid surfactant solution contains as an active ingredient an amount of tricresyl phosphate effective to repel down-hole fluids such as oil and water.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: August 27, 1996
    Assignee: Westech Geophysical, Inc.
    Inventor: Jack T. Thompson
  • Patent number: 5440081
    Abstract: A surfactant composition is used to repel down-hole fluids such as crude oil and water to prevent remote viewing cameras from being obscured by such fluids, for extended periods of time. An effective amount of a down-hole fluid repelling surfactant, preferably in the form of a liquid solution, is applied to an exterior surface of an optical element of the viewing instrument, dried, and polished to prevent down-hole fluids from adhering to the surface of the optical element. A preferred liquid surfactant solution contains as an active ingredient an amount of tricresyl phosphate effective to repel down-hole fluids such as oil and water.
    Type: Grant
    Filed: November 22, 1994
    Date of Patent: August 8, 1995
    Assignee: Westech Geophysical, Inc.
    Inventor: Jack T. Thompson