Information transmission apparatus for logging while drilling

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United States of America Patent

PATENT NO 9816327
SERIAL NO

14415944

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
CHINA NATIONAL PETROLEUM CORPORATIONNO 9 DONGZHIMEN NORTH STREET DONGCHENG DISTRICT BEIJING 100007
BEIJING PETROLEUM MACHINERY FACTORYNO 41 ZHIXIN STREET HAIDIAN DISTRICT BEIJING 100083
CNPC DRILLING RESEARCH INSTITUTEM BLOCK JINGXINYUAN NO A 25 BEIWUCUN ROAD SIJIQING TOWN HAIDIAN DISTRICT BEIJING 100195

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Huang, Yanfu Beijing, CN 3 2
Li, Tiejun Beijing, CN 34 64
Li, Zhangjian Beijing, CN 2 2
Liu, Guanghua Beijing, CN 4 2
Liu, Xinli Beijing, CN 9 26
Pan, Xingming Beijing, CN 1 1
Shi, Hongjiang Beijing, CN 4 2
Shi, Qian Beijing, CN 38 244
Sun, Chengqin Beijing, CN 1 1
Tao, Shikai Beijing, CN 1 1
Wang, Chen Beijing, CN 476 3329
Wu, Qingkui Beijing, CN 1 1
Yan, Guoxing Beijing, CN 1 1
Yang, Wenjing Beijing, CN 10 17
Zhang, Chunhua Beijing, CN 34 65
Zhou, Zhiyong Beijing, CN 14 11
Zou, Lianyang Beijing, CN 1 1

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