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HSN premium connection

13-02-07 From   Font size【BigMidSmall

HSN premium connection


       HSN (High Torque) is T&C connection based on the main features of the API buttress connection, offers superior torque、bending and compression resistance with its special shouldered coupling design. Being Interchangeable with API Buttress Thread, standard API accessories can be used. The connection designed for thermal well and drilling with casing applications, as well as applications where high torque is anticipated due to string rotation during running operations, such as casing when cementing and torque rotating liners while running.

Size range:4-1/2~13-3/8in



●API BUTTRESS thread form

1、Threaded Coupling connection, coupling critical cross sections greater than those of the pipe body, 100% tensile efficiency;

2、Widely accepted API BTC thread form, Interchangeable with API Buttress, easily run and draw on a wide range of threading and repair shops. ;

3、Thread sealing obtained with any API connection thread compound, widely accepted pressure resistance;

●Torque shoulder

1、The internal torque shoulder provides positive stop which allows for accurate power-tight make-up。

2、The robust internal torque shoulder provides high torque and high compression resistance;.

3、The internal torque shoulder works as metal to metal seal under compression loads.

●Streamlined internal profile

Internal flush design minimize turbulence and energy loss inside the connection

Main features

Excellent torque capability; Enhanced structural capacity

Field-friendly running procedures,make-up repeatability。

API Buttress compatible;


Torque rotating liner & casing ;Casing while Drilling;

Thermal well including steam injection

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Hengyang Valin Steel Tube Co,. Ltd Adress:Hengyang. Hunan. China Tel:86-734-8872942  86-734-8872044 Fax:86-734-8873739
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