Patents by Inventor Guido Gustavo Narvaez

Guido Gustavo 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).

  • Method of enhancing stability of cement slurries in well cementing operations
    Patent number: 10844270
    Abstract: The disclosure relates to a method of delaying viscosification of a well treatment fluid within a well by introducing into the well a cement slurry containing particulates of a hydratable viscosifying agent having a minimum of 90% retention on a 20 mesh screen. The presence of the hydratable viscosifying agent in the slurry prevents settling of the cement after the slurry is pumped into the well. The stability of the slurry is thus enhanced by the presence of the hydratable viscosifying agent.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: November 24, 2020
    Assignee: Baker Hughes, a GE company, LLC
    Inventors: Angela Anh Doan, Guido Gustavo Narvaez, Matthew Grady Kellum
  • Method of Enhancing Stability of Cement Slurries in Well Cementing Operations
    Publication number: 20150198010
    Abstract: The disclosure relates to a method of delaying viscosification of a well treatment fluid within a well by introducing into the well a cement slurry containing particulates of a hydratable viscosifying agent having a minimum of 90% retention on a 20 mesh screen. The presence of the hydratable viscosifying agent in the slurry prevents settling of the cement after the slurry is pumped into the well. The stability of the slurry is thus enhanced by the presence of the hydratable viscosifying agent.
    Type: Application
    Filed: March 23, 2015
    Publication date: July 16, 2015
    Inventors: Angela Anh Doan, Guido Gustavo Narvaez, Matthew Grady Kellum
  • Method of Real Time Monitoring of Well Operations Using Self-Sensing Treatment Fluids
    Publication number: 20140318783
    Abstract: Downhole conditions in a wellbore may be monitored in real time by pumping into the well a sensing treatment fluid which includes a piezoelectric or piezoresistive material and measuring changes in electrical resistivity within the wellbore. The monitoring in real time of the piezoelectric or piezoresistive material enhances the integrity of the wellbore during the setting of the treatment fluid as well as during the lifetime of the well.
    Type: Application
    Filed: April 25, 2014
    Publication date: October 30, 2014
    Inventors: Robert S. Martin, Guido Gustavo Narvaez, Qi Qu, Gregory B. Itskovich