Patents by Inventor Jeffery R. Bailey

Jeffery R. Bailey 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 to Estimate Downhole Drilling Vibration Amplitude From Surface Measurement
    Publication number: 20120130693
    Abstract: Method to estimate severity of downhole vibration for a drill tool assembly, including: identifying a dataset comprising selected drill tool assembly parameters; selecting a reference level of downhole vibration amplitude for the drill tool assembly; identifying a surface drilling parameter and calculating a reference surface vibration attribute for the selected reference level of downhole vibration amplitude; determining a surface parameter vibration attribute derived from at least one surface measurement or observation obtained in a drilling operation, the determined surface parameter vibration attribute corresponding to the identified surface drilling parameter; and estimating a downhole vibration severity indicator by evaluating the determined surface parameter vibration attribute with respect to the identified reference surface vibration attribute.
    Type: Application
    Filed: August 6, 2010
    Publication date: May 24, 2012
    Inventors: Mehmet Deniz Ertas, Jeffery R. Bailey, Damian N. Burch, Lei Wang, Paul E. Pastusek, Shankar Sundararaman