Heavy Weight Drill Pipe, HWDP, Heavy Wall Drill Pipe of Downhole Drilling Tools

Heavy Weight Drill Pipe, HWDP, Heavy Wall Drill Pipe of Downhole Drilling Tools

Heavy weight drill pipe is the drill pipe with hardfacing in the middle part

Description

Heavy Weight Drill Pipe, HWDP, Heavy Wall Drill Pipe of Downhole Drilling Tools

HWDP(Heavy Weight Drill Pipe)

Description:

Heavy weight drill pipe is the most commonly used in the vertical section of the hole and provides weight on the bit for directional drilling while maintaining more flexibility than a drill collar.Heavy weight drill pipe has a "center upset", also known as wear pad, that increases tube life by protecting the tube from wearing on the outer diameter by keeping the tube away from the hole wall. It also reduces hole drag and differential sticking problems.

Function:

Heavyweight drill pipe (HWDP) may be used to make the transition between the drill collars and drill pipe. The function of the HWDP is to provide a flexible transition between the drill collars and the drill pipe

Standard: API SPEC 7-1

Material: AISI 4145 H, AISI 4145 H MOD, Non-mag material

Specification: 3-1/2”, 4-1/2”, 5”, 5-1/2”

Type: Integral & Friction welded

Techinical Parameter:

Heavy weight drill pipe

Products Range: 2-7/8" ~6-5/8"

Material: AISI 4145H, AISI1340

Type of End Finish: integral, welded type

OD

W

Body ID

Upset OD

Upset  Length

Elevator upset OD

Connection

Yield strength

Body Data

Conn

type

ID

OD

Length Pin/Box

Body

Tool joint

Tens. Yield

Tors.

Yield

A


B

C

D

E


F

G

I/H





in

Lb/ft

in

in

in

in


in

in

in

ksi

ksi

lbs

Ft-lbs

2-7/8

17.4

1-3/4

3-1/4

24

3-3/16

NC31

1-3/4

4-1/8

27/21

65

120

265,600

12,600

3-1/2

25

2-1/16

4

24

3-5/8

NC38

2-1/16

4-3/4

27/21

65

120

408,200

23,100

3-1/2

23.4

2-1/4

4

24

3-5/8

NC38

2-1/4

4-3/4

27/21

65

120

366,900

21,800

4

38.8

2-1/2

4-1/2

24

4-3/16

NC40

2-1/2

5-1/4

27/21

65

120

497,700

33,300

4-1/2

40.8

2-13/16

5

24

4-11/16

NC46

2-13/16

6-1/4

27/21

65

120

548,100

47,400

5

49.5

3

5-1/2

24

-1/8

NC50

3

6-5/8

27/21

65

120

816,800

66,800

5-1/2

49.6

3-7/8

6

24

5-11/18

5-1/2FH

3-7/8

7

27/21

65

120

777,700

76,900

5-7/8

58.2

3-7/8

6-3/8

24

6

5-1/2FH

4

7

27/21

65

120

995,500

100,900

6-5/8

59

5

7-1/8

24

6-15/16

6-5/8FH

5

8

27/21

65

120

946,400

120,500


FYPE Rigid Machinery is one of the leading China manufacturers and suppliers in oil and gas industry. Our company now brings you high quality and competitive price heavy weight drill pipe, hwdp, heavy wall drill pipe of downhole drilling tools for sale, which is widely used in oilfield. And quick delivery is also offered, please be free to contact our factory.

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