Patents by Inventor Chaoliu LI

Chaoliu LI 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 of determining stiffness coefficients of formation
    Patent number: 10031250
    Abstract: The present invention proposes a method and apparatus of determining stiffness coefficients of formation, wherein the method comprising: setting up a relation of stiffness coefficients of formation C11 and C33, C44, C66 based on stiffness coefficients of a formation core sample; computing clay content of formation along depth continuously based on formation logging information; computing the stiffness coefficient of formation C33 along depth continuously based on a P-wave velocity and a volume density of the formation; computing the stiffness coefficient of formation C44 along depth continuously based on a S-wave velocity and a volume density of the formation; and then computing the stiffness coefficients of formation C11 and C66 along depth continuously based on the calculations above, the relation of stiffness coefficients of formation C11 and C33, C44, C66, and a relation of an anisotropy coefficient of the P-wave of the formation and its clay content or a relation of an anisotropy coefficient of the S-wav
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: July 24, 2018
    Assignee: PETROCHINA COMPANY LIMITED
    Inventors: Zhonghua Liu, Lianteng Song, Cancan Zhou, Chaoliu Li, Jixin Deng, Changxi Li, Xiangzhi Cheng, Xia Li, Chao Yuan, Qiangfu Kong, Song Hu, Hongjun Xu, Baoyin Xue, Peiyuan Zhang
  • METHOD AND APPARATUS OF DETERMINING STIFFNESS COEFFICIENTS OF FORMATION
    Publication number: 20160186557
    Abstract: The present invention proposes a method and apparatus of determining stiffness coefficients of formation. In some embodiments, the invention includes setting up a relation of stiffness coefficients of formation C11 and C33, C44, C66; computing clay content of formation along depth continuously; computing the stiffness coefficient of formation C33 along depth continuously; computing the stiffness coefficient of formation C44 along depth continuously; and depending on the calculations above, the relation of stiffness coefficients of formation C11 and C33, C44, C66, and a relation of an anisotropy coefficient of the P-wave of the formation and its clay content or a relation of an anisotropy coefficient of the S-wave of the formation and its clay content, computing the stiffness coefficients of formation C11 and C66 along depth continuously.
    Type: Application
    Filed: December 30, 2015
    Publication date: June 30, 2016
    Inventors: Zhonghua LIU, Lianteng SONG, Cancan ZHOU, Chaoliu LI, Jixin DENG, Changxi LI, Xiangzhi CHENG, Xia LI, Chao YUAN, Qiangfu KONG, Song HU, Hongjun XU, Baoyin XUE, Peiyuan ZHANG