Title:
ROTATION GUIDE TOOL
Document Type and Number:
WIPO Patent Application WO/2022/193833
Kind Code:
A1
Abstract:
A rotation guide tool, comprising an upper transmission shaft assembly (1), an upper universal shaft assembly (2), a straight housing (3), an upper screw motor stator-rotor (4), a flexible tube (5), a control valve (6), a measurement device (7), a lower screw motor stator-rotor (8), a curved housing (9), a lower universal shaft assembly (10), a lower transmission shaft assembly (11), and a drill bit (12).
Inventors:
JIANG ZHONGJIAN (CN)
SHAN DAIWEI (CN)
YAO YUXIANG (CN)
BAI MING (CN)
LI JIE (CN)
TANG SHAN (CN)
SHAN DAIWEI (CN)
YAO YUXIANG (CN)
BAI MING (CN)
LI JIE (CN)
TANG SHAN (CN)
Application Number:
PCT/CN2022/072907
Publication Date:
September 22, 2022
Filing Date:
January 20, 2022
Export Citation:
Assignee:
SICHUAN HONGHUA PET EQUIPMENT (CN)
International Classes:
E21B7/06; E21B4/02; E21B44/00
Foreign References:
| CN113073938A | 2021-07-06 | |||
| CN110410008A | 2019-11-05 | |||
| CN106150393A | 2016-11-23 | |||
| CN208040307U | 2018-11-02 | |||
| US20180128098A1 | 2018-05-10 |
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
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