Title:
CONNECTING STRUCTURE FOR DRILL COLLAR OF MEASUREMENT-WHILE-DRILLING INSTRUMENT, AND MALE AND FEMALE CONNECTORS FOR DRILL COLLAR SUB
Document Type and Number:
WIPO Patent Application WO/2020/168618
Kind Code:
A1
Abstract:
A connecting structure for a drill collar of a measurement-while-drilling instrument, and male and female connectors for a drill collar sub. The connecting structure for a drill collar of a measurement-while-drilling instrument comprises a male butt connector (1) and a female butt connector (2) matching each other. The male butt connector (1) and the female butt connector (2) are rotatable with respect to each other. Electric passages (31, 32) are formed in the male butt connector (1) and the female butt connector (2), respectively. One of the male butt connector (1) and the female butt connector (2) is provided with a multicore coaxial electric male connector (5) connected to the electric passage (31, 32), and the other is correspondingly provided with a multicore coaxial electric female connector (4) connected to the electric passage (31, 32). The male butt connector (1) is coaxially sleeved in the female butt connector (2). The multicore coaxial electric male connector (5) matches the multicore coaxial electric female connector (4) by means of insertion.
Inventors:
FENG YONGREN (CN)
BAO ZHONGLI (CN)
YU QIANG (CN)
QIN XIAOFEI (CN)
HUANG LIN (CN)
WU XINGFANG (CN)
YANG YUQING (CN)
ZOU JIBIN (CN)
BAO ZHONGLI (CN)
YU QIANG (CN)
QIN XIAOFEI (CN)
HUANG LIN (CN)
WU XINGFANG (CN)
YANG YUQING (CN)
ZOU JIBIN (CN)
Application Number:
PCT/CN2019/080953
Publication Date:
August 27, 2020
Filing Date:
April 02, 2019
Export Citation:
Assignee:
CHINA OILFIELD SERVICES LTD (CN)
International Classes:
E21B17/02; H01R13/02; H01R24/38
Domestic Patent References:
| WO2014185958A1 | 2014-11-20 |
Foreign References:
| CN108119127A | 2018-06-05 | |||
| CN103151666A | 2013-06-12 | |||
| CN202039843U | 2011-11-16 | |||
| CN102593641A | 2012-07-18 | |||
| CN104638416A | 2015-05-20 | |||
| US20050070141A1 | 2005-03-31 | |||
| US20170117677A1 | 2017-04-27 | |||
| US20130157515A1 | 2013-06-20 | |||
| US5820416A | 1998-10-13 |
Attorney, Agent or Firm:
AFD CHINA INTELLECTUAL PROPERTY LAW OFFICE (CN)
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