Patents by Inventor Ricardo Maldonado

Ricardo Maldonado 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).

  • Open hole formation testing
    Publication number: 20040003657
    Abstract: Systems and methods particularly suitable for open hole formation testing are provided. In a described embodiment, a method of performing a test on a formation intersected by a wellbore includes the steps of flowing fluid into an apparatus from the formation, displacing a fluid barrier of the apparatus in one direction, flowing the formation fluid out of the apparatus and back into the formation by applying pressure to the apparatus, and displacing the fluid barrier in an opposite direction.
    Type: Application
    Filed: June 23, 2003
    Publication date: January 8, 2004
    Applicant: Halliburton Energy Services, Inc.
    Inventors: Kevin R. Manke, Harold Wayne Nivens, Samuel Bianco, Charles M. MacPhail, Ricardo Maldonado
  • Open hole formation testing
    Patent number: 6622554
    Abstract: Systems and methods particularly suitable for open hole formation testing are provided. In a described embodiment, a method of performing a test on a formation intersected by a wellbore includes the steps of flowing fluid into an apparatus from the formation, displacing a fluid barrier of the apparatus in one direction, flowing the formation fluid out of the apparatus and back into the formation by applying pressure to the apparatus, and displacing the fluid barrier in an opposite direction.
    Type: Grant
    Filed: June 4, 2001
    Date of Patent: September 23, 2003
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Kevin R. Manke, Harold Wayne Nivens, Samuel Bianco, Charles M. MacPhail, Ricardo Maldonado
  • Open hole formation testing
    Publication number: 20020178804
    Abstract: Systems and methods particularly suitable for open hole formation testing are provided. In a described embodiment, a method of performing a test on a formation intersected by a wellbore includes the steps of flowing fluid into an apparatus from the formation, displacing a fluid barrier of the apparatus in one direction, flowing the formation fluid out of the apparatus and back into the formation by applying pressure to the apparatus, and displacing the fluid barrier in an opposite direction.
    Type: Application
    Filed: June 4, 2001
    Publication date: December 5, 2002
    Inventors: Kevin R. Manke, Harold Wayne Nivens, Samuel Bianco, Charles M. MacPhail, Ricardo Maldonado