Wellbore cleaning devices

Details Wellbore cleaning devices Wellbore cleaning devices

E - Fixed Constructions

21

B

E21B 37/02 (2006.01)

Patent

CA 2741184

Non-rotating tubular wellbore cleaning devices are described which include a central tool mandrel with radially surrounding stabilizers and a cleaning member subassembly. A rotational bearing is provided that is partially radially recessed, thereby improving the overall strength of the cleaning device.

L'invention concerne des dispositifs de nettoyage de trou de forage tubulaires non rotatifs, comprenant un mandrin-outil central présentant des stabilisateurs qui l'entourent radialement et un sous-ensemble d'élément de nettoyage. Un palier rotatif est prévu et est partiellement évidé radialement, améliorant de ce fait la solidité globale du dispositif de nettoyage.

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