Title:
管状ドリルストリング部品および対応するドリルストリング
Document Type and Number:
Japanese Patent JP2012514702
Kind Code:
A
Inventors:
David Didier
Levaux Gerard
Russi Gabriel
Levaux Gerard
Russi Gabriel
Application Number:
JP2011544074A
Publication Date:
June 28, 2012
Filing Date:
January 04, 2010
Export Citation:
Assignee:
VAM DRILLING FRANCE
International Classes:
E21B29/00; E21B47/12
Attorney, Agent or Firm:
Yamato Tsutsui
Yoshitaka Kozuka
Akiko Tsutsui
Yoshitaka Kozuka
Akiko Tsutsui