E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 19/16 (2006.01) E21B 17/00 (2006.01)
Patent
CA 2623976
A device for cleaning and doping (lubrication) equipment for threads (3b, 4b) of the type used to join pipes (4) to a pipe string (3) , especially in connection with petroleum production, where cleaning fluid and dope (lubricant) are sprayed at the threads (3b, 4b) at relatively high pressure from at least one nozzle (5, 6) mounted in the rotatable make-up section (1) of a power tong, and where at least one injection pump (7, 8) arranged to supply cleaning fluid or dope to the at least one nozzle (5, 6) is located in the rotatable make-up section (1) .
L~invention concerne un dispositif pour du matériel de nettoyage et d~enduisage (de graissage) de filetages (3b, 4b) du type utilisé pour raccorder des tiges (4) à un train de tiges (3), notamment dans le domaine de la production de pétrole. Un fluide de nettoyage et un enduit (de la graisse) sont pulvérisés sur les filetages (3b, 4b) sous une pression relativement élevée par au moins une buse (5, 6) montée dans la partie de vissage rotative (1) d~une clé de vissage automatique, et au moins une pompe d~injection (7, 8) conçue pour alimenter ladite au moins une buse (5, 6) en fluide de nettoyage ou en enduit est montée dans la partie de vissage rotative (1).
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Wellquip As
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