CA2257523A1 - Centreur - Google Patents

Centreur

Info

Publication number
CA2257523A1
CA2257523A1 CA002257523A CA2257523A CA2257523A1 CA 2257523 A1 CA2257523 A1 CA 2257523A1 CA 002257523 A CA002257523 A CA 002257523A CA 2257523 A CA2257523 A CA 2257523A CA 2257523 A1 CA2257523 A1 CA 2257523A1
Authority
CA
Canada
Prior art keywords
centralizer
members
centralizes
typically
angle
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.)
Granted
Application number
CA002257523A
Other languages
English (en)
Other versions
CA2257523C (fr
Inventor
Bernd Reinholdt
Jorg Lorenz
Arnold Stokka
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.)
Weatherford Technology Holdings LLC
Original Assignee
Weatherford/Lamb, Inc.
Bernd Reinholdt
Jorg Lorenz
Arnold Stokka
Weatherford Technology Holdings, Llc
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 Weatherford/Lamb, Inc., Bernd Reinholdt, Jorg Lorenz, Arnold Stokka, Weatherford Technology Holdings, Llc filed Critical Weatherford/Lamb, Inc.
Priority claimed from PCT/GB1997/002249 external-priority patent/WO1998007953A1/fr
Publication of CA2257523A1 publication Critical patent/CA2257523A1/fr
Application granted granted Critical
Publication of CA2257523C publication Critical patent/CA2257523C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Physical Or Chemical Processes And Apparatus (AREA)
  • Earth Drilling (AREA)
CA002257523A 1996-08-24 1997-08-15 Centreur Expired - Fee Related CA2257523C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE9617789.4 1996-08-24
DE9617789 1996-08-24
PCT/GB1997/002249 WO1998007953A1 (fr) 1996-08-24 1997-08-15 Centreur

Publications (2)

Publication Number Publication Date
CA2257523A1 true CA2257523A1 (fr) 1998-02-26
CA2257523C CA2257523C (fr) 2005-10-11

Family

ID=29557184

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002257523A Expired - Fee Related CA2257523C (fr) 1996-08-24 1997-08-15 Centreur

Country Status (1)

Country Link
CA (1) CA2257523C (fr)

Also Published As

Publication number Publication date
CA2257523C (fr) 2005-10-11

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20170815