Patents by Inventor Steven G. Villreal

Steven G. Villreal 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).

  • Adjustment of mud circulation when evaluating a formation
    Patent number: 8757254
    Abstract: A method for controlling drilling fluid rate in a wellbore is disclosed. A drill string is disposed into the well and connected to a formation testing or sampling tool. Drilling fluid is circulated at a first rate through the drill string. Data related to the wellbore, a formation about the wellbore or the formation sampling tool is transmitted to a processor. Upon analysis of the data, the drilling fluid circulation rate is changed to a second rate that is different from the first rate.
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: June 24, 2014
    Assignee: Schlumberger Technology Corporation
    Inventors: Steven G. Villreal, Julian J. Pop, Vladimir Vaynshteyn
  • ADJUSTMENT OF MUD CIRCULATION WHEN EVALUATING A FORMATION
    Publication number: 20110198076
    Abstract: A method for controlling drilling fluid rate in a wellbore is disclosed. A drill string is disposed into the well and connected to a formation testing or sampling tool. Drilling fluid is circulated at a first rate through the drill string. Data related to the wellbore, a formation about the wellbore or the formation sampling tool is transmitted to a processor. Upon analysis of the data, the drilling fluid circulation rate is changed to a second rate that is different from the first rate.
    Type: Application
    Filed: August 17, 2010
    Publication date: August 18, 2011
    Inventors: Steven G. Villreal, Julian J. Pop, Vladimir Vaynshteyn