The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 14, 2017
Filed:
Jun. 18, 2013
China National Petroleum Corporation, Beijing, CN;
Cnpc Drilling Research Institute, Beijing, CN;
Beijing Petroleum Machinery Factory, Beijing, CN;
Guanghua Liu, Beijing, CN;
Lianyang Zou, Beijing, CN;
Xinli Liu, Beijing, CN;
Yanfu Huang, Beijing, CN;
Shikai Tao, Beijing, CN;
Wenjing Yang, Beijing, CN;
Guoxing Yan, Beijing, CN;
Hongjiang Shi, Beijing, CN;
Tiejun Li, Beijing, CN;
Chen Wang, Beijing, CN;
Qian Shi, Beijing, CN;
Chengqin Sun, Beijing, CN;
Chunhua Zhang, Beijing, CN;
Zhiyong Zhou, Beijing, CN;
Xingming Pan, Beijing, CN;
Qingkui Wu, Beijing, CN;
Zhangjian Li, Beijing, CN;
CHINA NATIONAL PETROLEUM CORPORATION, Beijing, CN;
CNPC DRILLING RESEARCH INSTITUTE, Beijing, CN;
BEIJING PETROLEUM MACHINERY FACTORY, Beijing, CN;
Abstract
An information transmission apparatus for logging while drilling comprises a hollow drilling rod and at least one cable. The drilling rod comprises at least one first drilling rod member and at least one second drilling rod member spliced to each other alternately. The first drilling rod member comprises a through hole, and the second drilling rod member comprises a stepped hole. The cable comprises a fixed end, a connected end, and a folded portion connect the fixed end to the connected end. Each of the cables is fixed in the stepped hole through a fixed end or is connected to a connected end of an adjacent cable. The connected end may be stretched along the stepped hole, and stretched through the through hole to be electrically connected to a logging instrument or a fixed end of the adjacent cable. The apparatus provides protection for a cable through a hollow drilling rod, thereby improving the transmission reliability.