Title:
石油掘削時の火災を制御し消火する装置
Document Type and Number:
Japanese Patent JP3920357
Kind Code:
B2
Abstract:
System for controlling oil well fires by blocking the production or drilling pipes. A box incorporating a movable piston is fitted around the pipe. The piston carries, on its forward end, a drilling cylinder (3), which can be brought to the pipe by a hydraulic piston-cylinder arrangement. Subsequently, the drilling cylinder drills through the pipe wall and after that the drilling cylinder or a separate plugging cylinder (4) is left in the drilled hole and blocks the fluid flow through the pipe. The process is remote controlled.
Inventors:
Nini Barra, Tarmo Eino Tapani
Frutta, Terror Tapani
Nini Barra, Enshi Kyosty Juhani
Frutta, Terror Tapani
Nini Barra, Enshi Kyosty Juhani
Application Number:
JP52735698A
Publication Date:
May 30, 2007
Filing Date:
October 01, 1997
Export Citation:
Assignee:
Actie Boragg Grünztenen (Metal Patent Toberto Beho SS SS Actie Borag)
International Classes:
E21B29/08; E21B34/02; E21B34/16
Foreign References:
| DE4116473A1 | ||||
| US5161617 | ||||
| WO1992016714A1 |
Attorney, Agent or Firm:
Takashi Ishida
Jun Tsuruta
Masaya Nishiyama
Higuchi Souji
Jun Tsuruta
Masaya Nishiyama
Higuchi Souji