Patents Assigned to Trysol Ltd.
  • Oil and gas well operation fluid used for the solvation of waxes and asphaltenes, and method of use thereof
    Patent number: 5902775
    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: August 13, 1998
    Date of Patent: May 11, 1999
    Assignee: Trysol Ltd.
    Inventors: Donald A. Thorssen, Dwight N. Loree