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TTGM-4

TTGM-4

Specification: 2-3/8 In ~ 13-3/8 In

Product Technical Grade: PSL-1 and PSL-2

Sale Performance:

5 In L80 and 7 In L80 P110, among TTGM-4 products, have been accumulatively sold 2000 tons in total, and exported to many Middle East countries.

 

  • Keep excellent structural integrity under stretching and bending;

  • Own good anti-gluing property;

  • Own excellent air-tight property under the composite load;

  • Used for deep well, extended reach well, and horizontal well;

  • Cover the whole size range for the oil pipe and casing.

Features:

Thread joint:

Side hook threaded joint is adopted. Bearing side angle can improve the joint capability for tensile and compression resistance. The excellent structural integrity can be kept under stretching and bending, especially for deep well, extended reach well, and horizontal well. The geometrical parameters of the thread can ensure its good anti-gluing property, and eliminate the adverse effect arising from plugged pipe dope after being screwed.

 

Hermetically-sealed structure:

Conical surface – Conical surface metal seal system ensures the excellent air-tight capability and good anti-gluing property under the composite load. The good tightness still can be met after multiple makeups and breakouts. 

Torque ledge:

The negative angle torque ledge provides the precise screwed position. “Wedge effect” of the negative angle shoulder and sealing surface reinforces the sealing capability for metal sealing surface. The selection of the best negative angle design can overcome the adverse composite load (compression + external pressure, bending + compression).

Inner hole:

Streamlined inner hole can reduce the turbulence and energy loss during high-speed air flow.

 

Coupling design:

Joining efficiency is more than 100%, and coupling dangerous sectional area is larger than pipe dangerous sectional area. Coupling covers the thread disappeared from the pipe to further boost the joint strength.

Joint low stress design:

It can ensure the joint to be safe and reliable under the corrosive environment.

Pipe

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