Title:
【発明の名称】ドリルストリング用油圧スラスター
Document Type and Number:
Japanese Patent JPH11508650
Kind Code:
A
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Inventors:
Wang Den Steen, Leon
Application Number:
JP50417697A
Publication Date:
July 27, 1999
Filing Date:
June 26, 1996
Export Citation:
Assignee:
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BESLOTEN VENNOOTSHAP
International Classes:
E21B17/07; E21B44/00; (IPC1-7): E21B17/07; E21B44/00
Attorney, Agent or Firm:
Kawahara Kazuho