DE60227572D1 - CORE CHAINS WITH INTERNAL-COATED ELECTRIC TRACK - Google Patents

CORE CHAINS WITH INTERNAL-COATED ELECTRIC TRACK

Info

Publication number
DE60227572D1
DE60227572D1 DE60227572T DE60227572T DE60227572D1 DE 60227572 D1 DE60227572 D1 DE 60227572D1 DE 60227572 T DE60227572 T DE 60227572T DE 60227572 T DE60227572 T DE 60227572T DE 60227572 D1 DE60227572 D1 DE 60227572D1
Authority
DE
Germany
Prior art keywords
internal
coated electric
electric track
core chains
chains
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE60227572T
Other languages
German (de)
Inventor
George Boyadjieff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Varco International Inc
Varco IP Inc
Original Assignee
Varco International Inc
Varco IP Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Varco International Inc, Varco IP Inc filed Critical Varco International Inc
Priority claimed from PCT/US2002/034073 external-priority patent/WO2004038163A2/en
Application granted granted Critical
Publication of DE60227572D1 publication Critical patent/DE60227572D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

DE60227572T 2002-10-23 2002-10-23 CORE CHAINS WITH INTERNAL-COATED ELECTRIC TRACK Expired - Lifetime DE60227572D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2002/034073 WO2004038163A2 (en) 2002-10-23 2002-10-23 Drill pipe having an internally coated electrical pathway

Publications (1)

Publication Number Publication Date
DE60227572D1 true DE60227572D1 (en) 2008-08-21

Family

ID=39628429

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60227572T Expired - Lifetime DE60227572D1 (en) 2002-10-23 2002-10-23 CORE CHAINS WITH INTERNAL-COATED ELECTRIC TRACK

Country Status (1)

Country Link
DE (1) DE60227572D1 (en)

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition