Patents by Inventor Yongcai Yu

Yongcai Yu 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 Device for Estimating Quality Factor Based on Zero Offset Vertical Seismic Profile Data
    Publication number: 20160091623
    Abstract: This disclosure provides a method and a device for estimating a quality factor based on zero offset VSP (Vertical Seismic Profiling) data, wherein the method includes the following steps: determining a transmission coefficient between two adjacent VSP channels based on an interval velocity of a seismic wave in the zero offset VSP data; and determining the transmission coefficient as an indeterminate coefficient in an objective function of an index method, and estimating the quality factor according to the objective function of the index method.
    Type: Application
    Filed: October 21, 2015
    Publication date: March 31, 2016
    Inventors: Yongcai Yu, Xiping Sun, Ming Zhang, Xingfu Cui, Lianhua Hou