Heavy Weight Drill Pipe

Heavy Weight Drill Pipe 5" heavy weight drill pipe stock, are in accordance with the API 7-1

Heavy Weight Drill Pipe

We have large quantity of drill pipe and HWDP stock, with the best price.

We are a professional manufacturer which produces the petroleum machinery such as sucker rod, drill collar, drill pipe and oil tube, etc.  It has over 300 professional employees including more than 50 technical professionals.

The company has been awarded ISO9001 Quality System Certification and authorized to use API Monogram issued by American Petroleum Institute , License Number of API Certificate : sucker rod 11B-0081, drill collar 7-1-0552 , drill pipe 5D-0104,oil tube 5CT-0967.

 

Our products and producing ability as follows:

1,sucker rod 12,000,000 meters/year

2,drilling collar 20,000 pieces/year

3,drill pipe 40,000 tons/year

 

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

 

Heavy Weight Drill Pipe