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Oil drill pipe-the advantages of the outer flat drill pipe.
Release time:
2023-02-09
Author:
Source:
Oil drill pipe-the advantages of the outer flat drill pipe.
outer flat type drill pipe
Advantages of outer flat drill pipe:
1. The outer flat structure is conducive to the treatment of underground collapse and other accidents;
2. Use a special threaded connection to make up for the reduction of the torque resistance caused by the reduction of the outer diameter;
3. It is suitable for slim hole drilling, oil well operation, small radius horizontal well drilling, vehicle-mounted drilling rig and coalbed methane drilling.
The specifications of the outer flat drill pipe include: 2-3/8, 2-7/8, 3-1/2, 4, 4-1/2, 5
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