Integral Heavy Weight Drill Pipe

Our integral HWDP is made from one piece of AISI 4145H solid bar, fully heat treated, all physical properties conform to API Spec 7-1 latest edition.
The integral HWDP can easily solve problems arising in vertical holes in soft formation by replacing part of the drill collars. The advantages include:
1.Reduced torque in high-rpm, deep drilling.
2.Less trip time as compared to handling a long string of drill collars.
3.Fewer tool-joint connection failures.
4.Easy in handling and transporting to and from locations
5.Helpful for keep direction of directional well.