Patents by Inventor GUIDO G. NARVAEZ

GUIDO G. NARVAEZ 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).

  • Patent number: 9944558
    Abstract: A wellbore cement composition includes substantially unhydrated cement powder and additive powder for cement. The additive powder is formulated from ingredients including a liquid additive for cement and solid carrier particles. The liquid additive is absorbed by the solid carrier particles. A wellbore cementing method includes using a dry cement composition, adding water to the dry cement composition, forming a cement slurry, placing the slurry in a wellbore, and setting the placed slurry. The dry cement composition contains substantially unhydrated cement powder and retarder powder for cement. The retarder powder contains a retarder absorbed by solid carrier particles.
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: April 17, 2018
    Assignee: BAKER HUGHES, A GE COMPANY, LLC
    Inventors: Mark A. Vorderbruggen, Guido G. Narvaez, Diana Cardona, Dong Shen
  • Publication number: 20160200959
    Abstract: A wellbore cement composition includes substantially unhydrated cement powder and additive powder for cement. The additive powder is formulated from ingredients including a liquid additive for cement and solid carrier particles. The liquid additive is absorbed by the solid carrier particles. A wellbore cementing method includes using a dry cement composition, adding water to the dry cement composition, forming a cement slurry, placing the slurry in a wellbore, and setting the placed slurry. The dry cement composition contains substantially unhydrated cement powder and retarder powder for cement. The retarder powder contains a retarder absorbed by solid carrier particles.
    Type: Application
    Filed: March 21, 2016
    Publication date: July 14, 2016
    Inventors: MARK A. VORDERBRUGGEN, GUIDO G. NARVAEZ, DIANA CARDONA, DONG SHEN
  • Patent number: 9359254
    Abstract: A wellbore cement composition includes substantially unhydrated cement powder and additive powder for cement. The additive powder is formulated from ingredients including a liquid additive for cement and solid carrier particles. The liquid additive is absorbed by the solid carrier particles. A wellbore cementing method includes using a dry cement composition, adding water to the dry cement composition, forming a cement slurry, placing the slurry in a wellbore, and setting the placed slurry. The dry cement composition contains substantially unhydrated cement powder and retarder powder for cement. The retarder powder contains a retarder absorbed by solid carrier particles.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: June 7, 2016
    Assignee: BAKER HUGHES INCORPORATED
    Inventors: Mark A. Vorderbruggen, Guido G. Narvaez, Diana Cardona, Dong Shen
  • Publication number: 20150129217
    Abstract: A wellbore cement composition includes substantially unhydrated cement powder and additive powder for cement. The additive powder is formulated from ingredients including a liquid additive for cement and solid carrier particles. The liquid additive is absorbed by the solid carrier particles. A wellbore cementing method includes using a dry cement composition, adding water to the dry cement composition, forming a cement slurry, placing the slurry in a wellbore, and setting the placed slurry. The dry cement composition contains substantially unhydrated cement powder and retarder powder for cement. The retarder powder contains a retarder absorbed by solid carrier particles.
    Type: Application
    Filed: November 12, 2013
    Publication date: May 14, 2015
    Applicant: BAKER HUGHES INCORPORATED
    Inventors: MARK A. VORDERBRUGGEN, GUIDO G. NARVAEZ, DIANA CARDONA, DONG SHEN