Heavy Weight Drilling Pipe

ZZG series Heavy Weight Drilling Pipe (HWDP) are used as the transition between the normal drill pipe and the heavier drill collar. Suitable for onshore or offshore drilling operations.

Details

The ZZG series heavy weight drilling pipe were developed to provide the market with more reliable technology and more hoisting performance. Used as the transition between the normal drill pipe and the heavier drill collar. In some applications, heavy-weight drill pipe is also used in place of drill collar. Included but not limited by the advantages mentioned, ZZG series heavy weight drilling pipe might be your best choice.

 

General Features

•  Manufactured according to API 7-1
•  Suitable for onshore or offshore rigs
•  Suitable for cold area and desert environment

 

Main Paramaters

Size: 3-1/2” – 6-5/8” (88.9 mm – 168.3 mm) 

 

Parameters:

HWDP
Nominal Size(in)
Pipe Body Tool Joint Weight
D (mm) d (mm) Upset Dimension RSC Type DJ (mm) I.D. (mm) HSC Bevel DF(mm) Kg/Pc
Center Dia. DM(mm) End Dia. DTE(mm)
3-1/2 88.9 57.4 101.6 98.4 NC38 127 52.4 116.3 312
3-1/2 88.9 57.2 101.6 98.4 NC38 127 57.2 116.3 282
4 101.6 65.1 114.3 106.4 NC40 133.4 65.1 127.4 370
4-1/2 114.3 69.9 127 119.1 NC46 158.8 69.9 145.3 558
5 127 76.2 139.7 130.2 NC50 168.3 76.2 154 672
5-1/2 139.7 92.1 152.4 144.5 5-1/2FH 184.2 92.1 170.7 776
6-5/8 168.3 114.3 184.2 176.2 6-5/8FH 203.2 144.3 195.7 964

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