API Standard Oil Well Drilling Equipment Drilling Tool Integral Spiral Stabilizer The drilling tool stabilizer is made of AISI4145H alloy steel and follows API specifications. The threads can be processed with cold rolling, coppering or phosphating. Function The stabilizing effect of the stabilizer is mainly to reduce the severe radial and axial vibration of the elastic system of the drill pipe string in the hole; Reduced drill bit and drill pipe eccentric grinding; Ensure
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