Patents by Inventor Timothy Gareth J. Jones

Timothy Gareth J. Jones 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).

  • Viscoelastic surfactant based gelling composition for wellbore service fluids
    Patent number: 6232274
    Abstract: A wellbore service fluid comprising viscoelastic surfactants in combination with means for controlling the concentration of at least partially charged sites within the fluid is described.
    Type: Grant
    Filed: December 11, 1998
    Date of Patent: May 15, 2001
    Assignee: Schlumberger Technology Corporation
    Inventors: Trevor L. Hughes, Timothy Gareth J. Jones, Gary J. Tustin
  • Gelling composition for wellbore service fluids
    Patent number: 6194356
    Abstract: A wellbore service fluid comprising viscoelastic surfactants in combination with cross-linkable, preferably hydrophobically modified, water soluble polymers is described, particularly applicable to water control operations.
    Type: Grant
    Filed: December 11, 1998
    Date of Patent: February 27, 2001
    Assignee: Schlumberger Technology Corporation
    Inventors: Timothy Gareth J. Jones, Gary J. Tustin
  • Gelling polymers for wellbore service fluids
    Patent number: 6145592
    Abstract: A wellbore service fluid comprising polymers having cross-linking groups capable of forming chemical bonds with other polymers without additional monomeric cross-linking agents is described, and related methods, particularly applicable to water control operations.
    Type: Grant
    Filed: December 11, 1998
    Date of Patent: November 14, 2000
    Assignee: Schlumberger Technology Corporation
    Inventors: Timothy Gareth J. Jones, Gary J. Tustin