| 摘要 |
<p>An information transmission apparatus of well logging during 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 at intervals. The first drilling rod member comprises a through hole, and the second drilling rod member comprises a stepped hole. The cable comprises a fixing end, a connecting end, and a folding portion connecting the fixing end to the connecting end. Each cable is fixed in the stepped hole though a fixing end or is connected to a connecting end of an adjacent cable. The connecting end may stretch along the stepped hole, and stretch through the through hole to be electrically connected to a logging instrument or to a fixing end of the adjacent cable. In apparatus provides protection for a cable through a hollow drilling rod, thereby improving the transmission reliability.</p> |
| 申请人 |
CHINA NATIONAL PETROLEUM CORPORATION;CNPC DRILLING RESEARCH INSTITUTE;BEIJING PETROLEUM MACHINERY FACTORY |
发明人 |
LIU, GUANGHUA;ZOU, LIANYANG;LIU, XINLI;HUANG, YANFU;TAO, SHIKAI;YANG, WENJING;YAN, GUOXING;SHI, HONGJIANG;LI, TIEJUN;WANG, CHEN;SHI, QIAN;SUN, CHENGQIN;ZHANG, CHUNHUA;ZHOU, ZHIYONG;PAN, XINGMING;WU, QINGKUI;LI, ZHANGJIAN |
