Patents by Inventor Steve G. Villareal

Steve G. Villareal 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).

  • Methods and apparatus to control a formation testing operation based on a mudcake leakage
    Patent number: 8429962
    Abstract: Methods and apparatus to control a formation testing operation based on a mudcake leakage are disclosed. A disclosed example method for use with a downhole tool disposed in a wellbore comprises measuring a property of a mudcake layer at a first location in a wellbore, determining a value representative of an estimated leakage through the mudcake layer based on the property, and determining, based on the value, whether to continue a formation testing operation.
    Type: Grant
    Filed: September 9, 2011
    Date of Patent: April 30, 2013
    Assignee: Schlumberger Technology Corporation
    Inventors: Alexander Zazovsky, Fernando Garcia-Osuna, Steve G. Villareal, Timur Zharnikov
  • METHODS AND APPARATUS TO CONTROL A FORMATION TESTING OPERATION BASED ON A MUDCAKE LEAKAGE
    Publication number: 20110320127
    Abstract: Methods and apparatus to control a formation testing operation based on a mudcake leakage are disclosed. A disclosed example method for use with a downhole tool disposed in a wellbore comprises measuring a property of a mudcake layer at a first location in a wellbore, determining a value representative of an estimated leakage through the mudcake layer based on the property, and determining, based on the value, whether to continue a formation testing operation.
    Type: Application
    Filed: September 9, 2011
    Publication date: December 29, 2011
    Inventors: Alexander Zazovsky, Fernando Garcia-Osuna, Steve G. Villareal, Timur Zharnikov
  • Methods and apparatus to control a formation testing operation based on a mudcake leakage
    Patent number: 8042387
    Abstract: Methods and apparatus to control a formation testing operation based on a mudcake leakage are disclosed. A disclosed example method for use with a downhole tool disposed in a wellbore comprises measuring a property of a mudcake layer at a first location in a wellbore, determining a value representative of an estimated leakage through the mudcake layer based on the property, and determining, based on the value, whether to continue a formation testing operation.
    Type: Grant
    Filed: May 16, 2008
    Date of Patent: October 25, 2011
    Assignee: Schlumberger Technology Corporation
    Inventors: Alexander Zazovsky, Fernando Garcia-Osuna, Steve G. Villareal, Timur Zharnikov
  • METHODS AND APPARATUS TO CONTROL A FORMATION TESTING OPERATION BASED ON A MUDCAKE LEAKAGE
    Publication number: 20090282907
    Abstract: Methods and apparatus to control a formation testing operation based on a mudcake leakage are disclosed. A disclosed example method for use with a downhole tool disposed in a wellbore comprises measuring a property of a mudcake layer at a first location in a wellbore, determining a value representative of an estimated leakage through the mudcake layer based on the property, and determining, based on the value, whether to continue a formation testing operation.
    Type: Application
    Filed: May 16, 2008
    Publication date: November 19, 2009
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Alexander Zazovsky, Fernando Garcia-Osuna, Steve G. Villareal, Timur Zharnikov