Threaded joint for oil well pipes

Details Threaded joint for oil well pipes Threaded joint for oil well pipes

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 15/06 (2006.01)

Patent

CA 2132767

A threaded joint for oil well pipes has excellent leak- tightness and a high disconnect torque and can withstand repeated make-ups. At the time of make-up, the load flanks (1) of the male and female threads contact each other, either the crest surfaces (3) or the root surfaces (4) are contacting and the other of the two pairs of surfaces has a gap, and a gap of at most 0.03mm exists between the stab flanks (2) of the male and female threads.

Joint fileté pour tubes utilisés dans les puits de pétrole. Il possède une excellente étanchéité, un couple élevé de desserrage et peut supporter des vissages répétés. Lors du vissage, les flancs portant la charge (1) des filetages mâles et femelles se touchent, les surfaces des sommets des filets (3) ou les surfaces des fonds de filet (4) se touchent, et l'autre paire des deux paires de surfaces comporte un jeu; jeu d'au plus 0,03 mm existe entre les flancs de guidage (2) des filetages mâles et femelles.

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