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Title:
ROTARY DRIVE APPARATUS
Document Type and Number:
WIPO Patent Application WO/2018/091903
Kind Code:
A3
Abstract:
A rotary drive apparatus (24) for a downhole tool (22), the rotary drive apparatus (24) comprising a drive stage (36a) comprising a rotor (40a) and a stator (42a) and a connecting stage (38a) for connecting to the drive stage (36a). The connecting stage (38a) comprises a rotor connector (44a) suitable for connecting to the rotor (40a) and a stator connector (46a) suitable for connecting to the stator (42a).

Inventors:
DAVIS LANCE STEPHEN (GB)
Application Number:
PCT/GB2017/053456
Publication Date:
June 28, 2018
Filing Date:
November 17, 2017
Export Citation:
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Assignee:
DEEP CASING TOOLS LTD (GB)
International Classes:
E21B7/06
Domestic Patent References:
WO2016108823A12016-07-07
WO2000061916A12000-10-19
WO2014144256A12014-09-18
Foreign References:
US20100032212A12010-02-11
US9206649B12015-12-08
US20060006000A12006-01-12
US20140174831A12014-06-26
US5135059A1992-08-04
Attorney, Agent or Firm:
MARKS & CLERK LLP (GB)
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