CA2743805C - Broyeur extensible et methodes d'utilisation - Google Patents

Broyeur extensible et methodes d'utilisation Download PDF

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Publication number
CA2743805C
CA2743805C CA2743805A CA2743805A CA2743805C CA 2743805 C CA2743805 C CA 2743805C CA 2743805 A CA2743805 A CA 2743805A CA 2743805 A CA2743805 A CA 2743805A CA 2743805 C CA2743805 C CA 2743805C
Authority
CA
Canada
Prior art keywords
housing
mill
bore
mill blades
inner sleeve
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.)
Active
Application number
CA2743805A
Other languages
English (en)
Other versions
CA2743805A1 (fr
Inventor
George N. Krieg
David Hebert
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.)
Baker Hughes Holdings LLC
Original Assignee
Baker Hughes 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
Priority claimed from US13/108,750 external-priority patent/US8905126B2/en
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of CA2743805A1 publication Critical patent/CA2743805A1/fr
Application granted granted Critical
Publication of CA2743805C publication Critical patent/CA2743805C/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Earth Drilling (AREA)

Abstract

Selon certains modes de réalisation, l'invention concerne un appareil utile pour nettoyer au moins une partie de la surface intérieure d'un élément de forme généralement cylindrique placé dans un puits souterrain. L'invention comprend un boîtier et plusieurs lames de fraise rétractables soutenues par le boîtier. Les lames sont mobiles et peuvent passer d'une position initiale rétractée à une position allongée, puis revenir à une position rétractée finale.
CA2743805A 2011-05-16 2011-06-20 Broyeur extensible et methodes d'utilisation Active CA2743805C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/108,750 US8905126B2 (en) 2009-03-26 2011-05-16 Expandable mill and methods of use
US13/108,750 2011-05-16

Publications (2)

Publication Number Publication Date
CA2743805A1 CA2743805A1 (fr) 2012-11-16
CA2743805C true CA2743805C (fr) 2014-05-27

Family

ID=47173024

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2743805A Active CA2743805C (fr) 2011-05-16 2011-06-20 Broyeur extensible et methodes d'utilisation

Country Status (1)

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CA (1) CA2743805C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201714789D0 (en) * 2017-09-14 2017-11-01 Innovative Drilling Systems Ltd Downhole cleaning tool

Also Published As

Publication number Publication date
CA2743805A1 (fr) 2012-11-16

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