Directional elbow
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- Commodity name: Directional elbow
Directional bent sub is used for directional drilling of straight-body screw drill string. Directional bent sub is one of the main tools for building inclination in power drill string. Under the action of the bent sub, the power drill string gives a continuous lateral force to the bit, making the bit continuously cut the wellbore laterally, drilling a curved wellbore trajectory. It has the advantages of simple structure, convenient use and low cost.
Directional bent sub is used for directional drilling of straight-shell screw drill string. Directional bent sub is one of the main tools for building the wellbore trajectory with power drill string. Under the action of the bent sub, the power drill string gives the bit a continuous lateral force, making the bit continuously cut the wellbore laterally, drilling a curved wellbore trajectory. It has the advantages of simple structure, convenient use and low cost.
Common angles: 1°, 1.5°, 2°, 2.5°, etc.
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