Patents by Inventor Douglas Alexander Espin

Douglas Alexander Espin 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 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
  • 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