Washing a cylindrical cavity

Details Washing a cylindrical cavity Washing a cylindrical cavity

E - Fixed Constructions

21

B

E21B 37/00 (2006.01) B08B 9/02 (2006.01)

Patent

CA 2632285

A tool (2) for washing a wellbore or hollow tubular has a longitudinal axis and comprises one or more elongate nozzles (7) for ejecting fluid generally radially from the tool. The or each nozzle extends circumferentially around the tool so as to provide a continuous stationary jet of fluid. Preferably the nozzles collectively provide 360~ around the tool.

L'invention concerne un outil destiné à laver un puits de forage ou un tubulaire creux. Cet outil présente un axe longitudinal et comprend au moins un ajutage allongé destiné à éjecter du fluide de manière généralement radiale, à partir de l'outil. L'ajutage s'étend circonférentiellement autour de l'outil, de sorte à produire un jet de fluide fixe et continu. De préférence, les ajutages entourent collectivement l'outil à 360°.

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