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Through research on new composite drill pipe materials, heat treatment processes, and drill pipe thread structures, the newly developed high-strength drill pipe features the following characteristics:

High load-bearing capacity

The newly developed special composite material RDP30 has increased the maximum tensile strength of drill rods to 1020 MPa, significantly enhancing their load-bearing capacity and service life.

Good mechanical properties

Innovatively adopting an internal and external flow online heat treatment process ensures the comprehensive mechanical performance of drill pipes.

Long service life

Adopting an equal-stress strength design, the weight of the drill pipe is reduced by 20% compared to conventional drill pipes. By employing a threaded structure featuring dual steps, double faces, and dual lead threads, the conversion rate from torque to tensile force is significantly lowered. The patented thread structure with a large pitch and high tooth profile greatly extends the service life of the threads, effectively ensuring the safety of the drilling rig even under high-load operating conditions.

Drill string type	Name	Compatible models	Material
Drill pipe	190 Drill Pipe Assembly	R40C	RDP30 42CrMo
		R60V
		R60D
	214 Drill Pipe Assembly	R80D	RDP30
		R80V	42CrMo
		R80C	42CrMo
	254 Drill Pipe Assembly	R120D	RDP30
	254 Drill Pipe Assembly	R120VD	42CrMo
	286 Integral Drill Pipe	R160V	RDP30
	327 Modular Drill Pipe	R236V	RDP30
Stabilizer bar/stabilizer disc	190 short stud weld stabilizer bar	R60V	RDP30
	190 short stud weld stabilizer bar	R60D
	670 Stabilizer Assembly	R40C
	214 Short Welded Stabilizer Bar	R80D
		R80V
		R80C
	254 Short Welded Stabilizer Bar	R120D
	254 Short Welded Stabilizer Bar	R120VD
	286 Combined Stabilizer Bar	R160V
	327 Modular Stabilizer Bar	R236V