HWDP-Heavy Drill Pipe

HWDP-Heavy Drill Pipe 20,000 Pcs/year(drill collar,spiral drill collar,heavy weight drill pipe)

HWDP

Baotou Found Petroleum Machinery Co.,Ltd covers an area of 130 mus. It is a specialized producer which produces the petroleum machinery such as oil tube, drilling collar, drill pipe and sucker rod etc.

The company certified ISO9001 Quality System Assessment and API Certificate, the number of API Certificate of our company are 11B-0081 for sucker rod and 7-1-0552 for drill collar .Its product and produce ability is:  

  1.sucker rod 12,000,000 M /every year  2.drilling collar 20,000 Pcs / every year  3.drill pipe 40,000 tons/ every year

  

The company would like to accept the special orders and to develop new products according to customer's requests. Under the policy friendship, equality and mutual benefit ,welcome to cooperate with all customers over the world.Adhering to the principles of quality first, credit first, the company will provide high quality products and heartfelt service for customers by first-class equipment, advanced technical and scientific management.

Main feature:

A. The drill rods comply with the provisions of  API SPEC 5D & API SPEC7.

B. The grade of steel are determined according to the requirements of Group

    1 & Group 3 of API SPEC 5D.

C. Drill pipe joints at the same level comply with the provisions under the Standard

    API SPEC 7.

Drill Pipe Feature:

A. High precision in size and shape

B. Good low temperature toughness

C. Excellent comprehensive mechanical properties

D. High connection strength and sealability

E. Large inside diameter of tool joint

F. High  torque resistance

G. High fatigue strength and long fatigue life

Internal Coating Feature:

A.High abrasion resistance and low friction factor

B. Good adhesion and flexility

C. High application temperature and pressure

D. High hardness and impact resistance

E. Good corrosion resistance

Hardbanding Feature:

A. Good balance between antiwear and friction-reduction

B. The wear rate is less than 6% of that of bare tool joint, which can prolong 3 times of the

    tool joint service life

C. Good property of friction-reduction, which can reduce the casing wear to the least, and its

    wear to casing is less than 11% of that of bare tool joint

D. Reduce the torque of drilling string

E. Good weldablity with little splash and good rewelding preformance

F. Friendly to environment

Heavy Weight Drill Pipe Specifications

Drill Pipe Size (in)	Drill Pipe				Tool Joint				Weight of Single Piece
	OD (mm)	ID (mm)	Thickness		Thread Type	OD (mm)	ID (mm)	Diameter of Bevel DF
			Central	End
3-1/2	88.9	54.2	116.3	98.4	NC38	127	55.6	116.3	312
4	101.6	65.1	114.3	106.4	NC40	133.4	68.3
4-1/2	114.3	69.9	127	119.1	NC46	158.8	73
5	127	76.2	139.7	130.2	NC50	168.3	77.8
5-1/2	139.7	92.1	152.4	144.5	5-1/2 FH	184.2	88.9

HWDP-Heavy Drill Pipe