DEVICE FOR PROTECTING A MALE END OF A COMPONENT OF A FLEXIBLE JOINT THREADED TUBULAR CONNECTION

摘要

Temporary protector (10) of the male end (2) of a component of a threaded tubular connection for drilling or operation of oil wells provided externally with at least one threading (3) and comprising a free end part (4) the component comprising a body (1) downstream of the male end (2) said protector (10) comprising a coupling (20) arranged for protecting at least a part of said external threading (3) and said free end part (4) and provided with a threading (23) that can engage with the threading (3) of the male end (2) and a sealing device (40) suitable for being placed in contact on the one hand with said component at least in a part located downstream of said external threading (3) of the male end (2) and on the other hand with said coupling (20) so as to provide a seal downstream of said external threading (3) the sealing device (40) comprising a portion of small diameter (42) with a length comprised between 20 and 80 mm and with a bore as a cylinder of revolution the portion of small diameter (42) being provided with an internal sealing surface (42a) that can interact hermetically with an external surface of the body (1) having a maximum tolerance on diameter above 1% and a roughness Ra greater than 10 µ?? and a portion of large diameter (41) integral with the portion of small diameter (42) and provided with an internal sealing surface (41a) interacting hermetically with an external surface (25) of the coupling (20) said sealing device (40) being radially elastic.