Patents by Inventor Juan Carlos Chavez

Juan Carlos Chavez 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 for heating subterranean formation, particularly for heating reservoir fluids in near well bore zone
    Patent number: 6607036
    Abstract: A method for heating a subterranean formation includes the steps of positioning a well to a subterranean formation; disposing an energy transforming material in the formation; and exposing the material to energy whereby the material generates heat.
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: August 19, 2003
    Assignee: Intevep, S.A.
    Inventors: Aaron Ranson, Luis Carlos Genolet, Douglas Espin, Juan Carlos Chavez
  • Method for treating drilling fluid using nanoparticles
    Patent number: 6579832
    Abstract: A method for treating a drilling fluid is provided, which method includes the steps of providing a drilling fluid, providing a drilling fluid additive in the form of superparamagnetic nanoparticles, mixing the drilling fluid additive with the drilling fluid so as to provide a treated drilling fluid, and exposing the treated drilling fluid to a magnetic field so as to recover the superparamagnetic nanoparticles.
    Type: Grant
    Filed: March 2, 2001
    Date of Patent: June 17, 2003
    Assignee: Intevep S.A.
    Inventors: Maria Alejandra Jimenez, Luis Carlos Genolet, Juan Carlos Chavez, Douglas Espin
  • Water-based system for altering wettability of porous media
    Patent number: 6579572
    Abstract: A method for altering wettability of a reservoir formation includes the steps of providing a water-based fluid containing a wettability altering coating system; and flowing the fluid into a reservoir so as to coat the reservoir with the coating system.
    Type: Grant
    Filed: August 13, 2001
    Date of Patent: June 17, 2003
    Assignee: Intevep, S.A.
    Inventors: Douglas Espin, Aaron Ranson, Juan Carlos Chavez, Mariela Araujo, Yani Carolina Araujo, Luis Carlos Genolet
  • Composition and method for sealing an annular space between a well bore and a casing
    Patent number: 6554070
    Abstract: A method for sealing an annular space between a bore hole and a casing includes the steps of: providing a fluid sealing system comprising a particulate material and a bonding agent; positioning the fluid sealing system in the annular space whereby the particulate material adheres to walls of the bore hole and the casing; and curing the fluid sealing system so as to form a solid seal in the annular space.
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: April 29, 2003
    Assignee: Intevep, S.A.
    Inventors: Luis Carlos Genolet, Juan Carlos Chavez, Douglas Espin, Marie Alejandra Jimenez
  • Water-based system for altering wettability of porous media
    Publication number: 20030031788
    Abstract: A method for altering wettability of a reservoir formation includes the steps of providing a water-based fluid containing a wettability altering coating system; and flowing the fluid into a reservoir so as to coat the reservoir with the coating system.
    Type: Application
    Filed: August 13, 2001
    Publication date: February 13, 2003
    Inventors: Douglas Espin, Aaron Ranson, Juan Carlos Chavez, Mariela Araujo, Yani Carolina Araujo, Luis Carlos Genolet
  • Method for consolidation of sand formations using nanoparticles
    Patent number: 6513592
    Abstract: A method is disclosed for consolidating an unconsolidated formation, which method includes the steps of providing a well drilled to an unconsolidated formation, providing a consolidation fluid in the form of a fluid suspension of nanoparticles, and flowing said consolidation fluid through the well and into the unconsolidated formation so as to position the nanoparticles between grains of the unconsolidated formation whereby the formation is consolidated over time.
    Type: Grant
    Filed: February 28, 2001
    Date of Patent: February 4, 2003
    Assignee: Intevep, S.A.
    Inventors: Douglas Espin, Juan Carlos Chavez, Aaron Ranson
  • Method and apparatus for drilling and completing a well
    Patent number: 6481501
    Abstract: A method for drilling and completing a well includes the steps of drilling through a subterranean formation with a drill bit so as to form a well bore having a side wall; applying a consolidating material to the side wall under pressure so that said consolidating material flows into the side wall and provides a coated side wall coated with the consolidating material; and passing a scraping member having a desired profile past the coated side wall so as to provide the coated side wall with the desired profile an apparatus is also provided.
    Type: Grant
    Filed: December 19, 2000
    Date of Patent: November 19, 2002
    Assignee: Intevep, S.A.
    Inventors: Juan Carlos Chavez, Douglas Alexander Espin, Luis Carlos Genolet, Maria Alejandra Jimenez, Aaron Ranson
  • Composition and method for sealing an annular space between a well bore and a casing
    Publication number: 20020129939
    Abstract: A method for sealing an annular space between a bore hole and a casing includes the steps of: providing a fluid sealing system comprising a particulate material and a bonding agent; positioning the fluid sealing system in the annular space whereby the particulate material adheres to walls of the bore hole and the casing; and curing the fluid sealing system so as to form a solid seal in the annular space.
    Type: Application
    Filed: March 16, 2001
    Publication date: September 19, 2002
    Inventors: Luis Carlos Genolet, Juan Carlos Chavez, Douglas Espin
  • Method for heating subterranean formation, particularly for heating reservoir fluids in near well bore zone
    Publication number: 20020121374
    Abstract: A method for heating a subterranean formation includes the steps of positioning a well to a subterranean formation; disposing an energy transforming material in the formation; and exposing the material to energy whereby the material generates heat.
    Type: Application
    Filed: March 1, 2001
    Publication date: September 5, 2002
    Inventors: Aaron Ranson, Luis Carlos Genolet, Douglas Espin, Juan Carlos Chavez
  • Method for treating drilling fluid using nanoparticles
    Publication number: 20020123431
    Abstract: A method for treating a drilling fluid is provided, which method includes the steps of providing a drilling fluid, providing a drilling fluid additive in the form of superparamagnetic nanoparticles, mixing the drilling fluid additive with the drilling fluid so as to provide a treated drilling fluid, and exposing the treated drilling fluid to a magnetic field so as to recover the superparamagnetic nanoparticles.
    Type: Application
    Filed: March 2, 2001
    Publication date: September 5, 2002
    Inventors: Maria Alejandra Jimenez, Luis Carlos Genolet, Juan Carlos Chavez, Douglas Espin
  • Method for consolidation of sand formations using nanoparticles
    Publication number: 20020117302
    Abstract: A method is disclosed for consolidating an unconsolidated formation, which method includes the steps of providing a well drilled to an unconsolidated formation, providing a consolidation fluid in the form of a fluid suspension of nanoparticles, and flowing said consolidation fluid through the well and into the unconsolidated formation so as to position the nanoparticles between grains of the unconsolidated formation whereby the formation is consolidated over time.
    Type: Application
    Filed: February 28, 2001
    Publication date: August 29, 2002
    Inventors: Douglas Espin, Juan Carlos Chavez, Aaron Ranson
  • Method and apparatus for drilling and completing a well
    Publication number: 20020074166
    Abstract: A method for drilling and completing a well includes the steps of drilling through a subterranean formation with a drill bit so as to form a well bore having a side wall; applying a consolidating material to the side wall under pressure so that said consolidating material flows into the side wall and provides a coated side wall coated with the consolidating material; and passing a scraping member having a desired profile past the coated side wall so as to provide the coated side wall with the desired profile an apparatus is also provided.
    Type: Application
    Filed: December 19, 2000
    Publication date: June 20, 2002
    Inventors: Juan Carlos Chavez, Douglas Alexander Espin, Luis Carlos Genolet, Maria Alejandra Jimenez, Aaron Ranson