Patents by Inventor Ernesto UEHARA

Ernesto UEHARA 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).

  • WATER INJECTION SYSTEMS AND METHODS
    Publication number: 20120227975
    Abstract: There is disclosed a system comprising a well drilled into an underground formation comprising hydrocarbons; a production facility at a topside of the well; a water production facility connected to the production facility; wherein the water production facility produces water by passing the water through a first and a second nanofiltration module, and then injects the water into the well.
    Type: Application
    Filed: October 29, 2010
    Publication date: September 13, 2012
    Inventors: Subhash Chandra Bose Ayirala, Robert Wing-Yu Chin, Andreas Nicholas Matzakos, Ernesto Uehara-Nagamine
  • WATER INJECTION SYSTEMS AND METHODS
    Publication number: 20120125611
    Abstract: There is disclosed a system comprising a well drilled into an underground formation comprising hydrocarbons; a production facility at a topside of the well; a water production facility connected to the production facility; wherein the water production facility produces water by removing some multivalent ions, then removing some monovalent ions, and then adding back some monovalent ions, and then injects the water into the well.
    Type: Application
    Filed: June 23, 2010
    Publication date: May 24, 2012
    Applicant: Shell Internationalale Research Maatschappij
    Inventors: Subhash Chandra Bose Ayirala, Robert Wing-Yu Chin, Andreas Nicholas Matzakos, Ernesto Uehara-Nagamine
  • CURRENT TANK SYSTEMS AND METHODS
    Publication number: 20100139384
    Abstract: There is disclosed a current tank system comprising a first current tank adapted to produce a first current in a first direction, and a second current tank adapted to produce a second current in a second direction. There is also disclosed a method of testing a sample, comprising exposing the sample to a first current in a first current tank, and exposing the sample to a second current in a second current tank.
    Type: Application
    Filed: February 8, 2007
    Publication date: June 10, 2010
    Inventors: Donald Wayne Allen, Dean Leroy Henning, David Wayne McMillian, Janet Kay McMillian, Raghunath Gopal Menon, Ernesto Uehara-Nagamine, Christopher Steven West