Patents by Inventor Mohan CHAHAL

Mohan CHAHAL 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).

  • Nitrogen rejection unit
    Patent number: 9335091
    Abstract: Methods and systems for removing nitrogen during liquefaction of natural are provided. Methods of removing nitrogen include warming a predominantly methane stream in a methane cold box to provide a warmed predominantly methane stream; conducting at least a portion of the warmed predominantly methane stream from the methane cold box to a nitrogen removal unit comprising at least a first nitrogen removal column and a last nitrogen removal column, wherein the first nitrogen removal column is located upstream of the last nitrogen removal column; passing the warmed predominantly methane stream through the last nitrogen removal column to provide a refluxed warmed predominantly methane stream; and routing at least a portion of the refluxed warmed predominantly methane stream to the last nitrogen removal column.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: May 10, 2016
    Assignee: ConocoPhillips Company
    Inventors: Wesley Roy Qualls, Qi Ma, Megan Victoria Evans, Karl Lee Herzog, Jame Yao, Mohan Chahal, Matt Calvin Gentry, Attilio Jose Praderio, Marc Thomas Bellomy, Satish Gandhi, Mike Wilkes, Will James
  • NITROGEN REJECTION UNIT
    Publication number: 20140238076
    Abstract: Methods and systems for removing nitrogen during liquefaction of natural are provided. Methods of removing nitrogen include warming a predominantly methane stream in a methane cold box to provide a warmed predominantly methane stream; conducting at least a portion of the warmed predominantly methane stream from the methane cold box to a nitrogen removal unit comprising at least a first nitrogen removal column and a last nitrogen removal column, wherein the first nitrogen removal column is located upstream of the last nitrogen removal column; passing the warmed predominantly methane stream through the last nitrogen removal column to provide a refluxed warmed predominantly methane stream; and routing at least a portion of the refluxed warmed predominantly methane stream to the last nitrogen removal column.
    Type: Application
    Filed: July 25, 2013
    Publication date: August 28, 2014
    Applicant: CONOCOPHILLIPS COMPANY
    Inventors: Wesley Roy QUALLS, Qi MA, Megan Victoria EVANS, Karl Lee HERZOG, Jame YAO, Mohan CHAHAL, Matt Calvin GENTRY, Attilio Jose PRADERIO, Marc Thomas BELLOMY, Satish GANDHI, Mike WILKES, Will JAMES