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Heavy Weight Drill Pipe

2024-06-02 10:00

Heavy Weight drill pipe(HWDP)HWDP


Heavy Weight drill pipe(HWDP): during the drilling process is the transition from flexible drill pipe to rigid drill collar:

1. Reduce stress concentration between drill pipe and drill collar;

2. Prevent differential pressure drill stuck failure;

3. The thickened part in the middle can avoid excessiveHeavy Weight Drill Pipe buckling.

Heavy Weight Drill Pipe

Quality control standards:

1. The high impact toughness of the drill pipe body and joints improves fatigue resistance;

2. The stress relief groove of the male joint and the rear expansion hole structure of the female joint reduce stress concentration and improve fatigue performance;

3. The body is 100% FLUT+100% MPI, the joints and welding areas are 100% UT+100% MPI.


Optimize weighted drill pipe performance:

1. Experimental testing of the shackles on the joints ensures that the shackles are easy to install and meet the technical and technological requirements for drilling rig construction operations;

2. Thread cold rolling technology strengthens thread surface hardness;

3. The joints are welded with wear-resistant tape to extend the service life and reduce friction loss in key parts;

4. The inner wall of the hole is coated with an anti-acid and anti-corrosion coating to prevent corrosion and aging, extend the service life and reduce investment costs.


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