Patents by Inventor Mark A. Trebble

Mark A. Trebble 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).

  • HYDROCARBON GAS PROCESSING
    Publication number: 20030029190
    Abstract: A cryogenic natural gas liquids recovery process which includes the use of a demethanizer and a deethanizer includes a step of recycling a portion of the deethanizer overhead to the demethanizer.
    Type: Application
    Filed: August 10, 2001
    Publication date: February 13, 2003
    Inventor: Mark A. Trebble
  • Hydrocarbon gas processing
    Patent number: 6516631
    Abstract: A cryogenic natural gas liquids recovery process which includes the use of a demethanizer and a deethanizer includes a step of recycling a portion of the deethanizer overhead to the demethanizer.
    Type: Grant
    Filed: August 10, 2001
    Date of Patent: February 11, 2003
    Inventor: Mark A. Trebble
  • Apparatus for and method of separating a hydrocarbon gas into two fractions and a method of retrofitting an existing cryogenic apparatus
    Patent number: 6237365
    Abstract: Disclosed is an improved cryogenic demethanizer, for separating an inlet hydrocarbon gas having a mixture of hydrocarbon components into a residual lighter gas fraction and a heavier liquid fraction. The fractionation column in the demethanizer has a main body portion and an upper portion enlarged with respect to the main body portion. A packing which may be in the form of a plurality of contact trays, or random packing is located in the upper enlarged portion of the column. The invention may be used to retrofit existing cryogenic demethanizers, or used in new installations.
    Type: Grant
    Filed: January 20, 1998
    Date of Patent: May 29, 2001
    Assignee: TransCanada Energy Ltd.
    Inventor: Mark Trebble