System for controlling and stopping oil drilling fires

Details System for controlling and stopping oil drilling fires System for controlling and stopping oil drilling fires

E - Fixed Constructions

21

B

E21B 29/08 (2006.01) E21B 35/00 (2006.01)

Patent

CA 2273996

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.

Système qui permet de lutter contre les incendies des puits de pétrole en bloquant les tiges de production ou de forage. Une boîte comportant un piston mobile est fixée autour de la tige. Le piston porte, à son extrémité avant, un cylindre de forage (3) qui peut être amené sur la tige par un dispositif piston-cylindre hydraulique. Ensuite, le cylindre de forage perce la paroi de la tige, puis le cylindre de forage ou un cylindre de colmatage séparé (4) est laissé dans le trou percé, bloquant ainsi l'écoulement de fluide par la tige. Le processus est commandé à distance.

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