E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 17/00 (2006.01) E21B 17/02 (2006.01)
Patent
CA 2757150
Drill string element (1) comprising a main pipe (2) with connection ends (4, 6) and protective means for at least one wire. The protective means extends within a central bore (8) of the main pipe (2). The main pipe (2) presents a first hole (14) in one of said connection ends (4) and a second hole (15) in the other connection end (6), both holes communicating with the central bore (8). The protective means comprises a guide tube (10) arranged for housing said wire, both ends of which (10) being respectively disposed within the first hole (14) and the second hole (16). Retaining means are arranged in at least one of the first hole (14) and the second hole (16) for the respective end of the guide tube (10). The retaining means are designed so as to prevent said respective end of the guide tube from moving relative to said one of the first hole and the second hole (16) according to at least one longitudinal direction of said hole.
La présente invention concerne un élément de train de sondage (1) comprenant une conduite principale (2) pourvue d'extrémités de raccordement (4, 6) et un moyen de protection pour un ou des câbles. Le moyen de protection s'étend à l'intérieur d'un trou central (8) de la conduite principale (2). La conduite principale (2) présente un premier orifice (14) dans l'une desdites extrémités de raccordement (4) et un second orifice (15) dans l'autre extrémité de raccordement (6), les deux orifices communiquant avec le trou central (8). Le moyen de protection comprend un tube de guidage (10) conçu pour recevoir ledit câble, les deux extrémités du tube de guidage (10) étant respectivement disposées à l'intérieur du premier orifice (14) et du second orifice (16). Des moyens de retenue sont disposés dans le premier orifice (14) et/ou dans le second orifice (16) pour l'extrémité respective du tube de guidage (10). Les moyens de retenue sont conçus de façon à empêcher ladite extrémité respective du tube de guidage de se déplacer par rapport au premier orifice et/ou au second orifice (16) selon la ou les directions longitudinales du dit orifice.
David Didier
Leveau Gerard
Roussie Gabriel
Goudreau Gage Dubuc
Vam Drilling France
LandOfFree
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