Patents Assigned to Trysol Limited
  • Oil and gas well operation fluid used for the solvation of waxes and asphaltenes, and method of use thereof
    Patent number: 6093684
    Abstract: A wax and asphaltene solvation fluid for use in oil and gas wells is derived as a residual fluid from a feedstock that includes a greater mass percentage of trimethylbenzene than decane, and is preferably sour. Mass percentage of both aromatics and asphaltenes in the residual fluid is in the 30%-70% range, and a complex mixture of both is described.
    Type: Grant
    Filed: March 24, 1999
    Date of Patent: July 25, 2000
    Assignee: Trysol Limited
    Inventor: Dwight N. Loree
  • Oil and gas well operation fluid used for the solvation of waxes and asphaltenes, and method of use thereof
    Patent number: 5795850
    Abstract: A wax and asphaltene solvation fluid for use in oil and gas wells is derived as a residual fluid from a feedstock that includes a greater mass percentage of trimethylbenzene than decane, and is preferably sour. Mass percentage of both aromatics and asphaltenes in the residual fluid is in the 30%-70% range, and a complex mixture of both is described.
    Type: Grant
    Filed: May 20, 1996
    Date of Patent: August 18, 1998
    Assignee: Trysol Limited
    Inventors: Donald A. Thorssen, Dwight N. Loree