Detailed list of drill pipe dimensions and specifications

Drill pipe is an important tool in oil drilling and can be used to drill holes and feed drill bits. Drill pipes come in different sizes and are suitable for wells of different depths and for different types of rock. This article will introduce a list of common drill pipe sizes.

Drill pipe size specification list:

1. AW drill pipe
AW drill pipe is a 1.5-inch (38 mm) outer diameter and 1.055-inch (26.8 mm) inner diameter drill pipe used for drilling shallow wells up to a depth of 100 meters. Its length is usually 6 meters, 9 meters or 12 meters.

2. BW drill pipe

BW drill pipe has an outer diameter of 1.75 inches (44.5 mm) and an inner diameter of 1.25 inches (31.8 mm). It is mainly used for drilling depths between 100 meters and 200 meters. Its length is usually 6 meters, 9 meters or 12 meters.

3. NW drill pipe
NW drill pipe has an outer diameter of 2.165 inches (55 mm) and an inner diameter of 1.625 inches (41.3 mm), suitable for drilling depths between 200 meters and 600 meters. Its length is usually 3 meters or 6 meters.

4. HW drill pipe
HW drill pipe is a drill pipe with a drill pipe diameter of 2.75 inches (70 mm) and an inner diameter of 2.375 inches (60.3 mm). It is mainly used for drilling depths between 600 meters and 1000 meters. Its length is usually 3 meters or 6 meters.

5. HWT drill pipe
HWT drill pipe is a 3.45-inch (88mm) diameter drill pipe with an inner diameter of 2.625-inch (66.7mm) suitable for drilling depths between 1,000 meters and 1,500 meters. Its length is usually 3 meters or 6 meters.

6. PW drill pipe
PW drill pipe is a 4.25-inch (108 mm) diameter drill pipe with an inner diameter of 3.75-inch (95.3 mm) suitable for drilling depths between 1,500 meters and 2,000 meters. Its length is usually 3 meters or 6 meters.

Conclusion:

This article introduces a list of common drill pipe sizes and specifications, the application range and characteristics of each drill pipe. When selecting drill pipe, factors such as well depth and the hardness and density of the well wall must be taken into consideration. Proper selection of drill pipe can improve drilling efficiency and reduce costs.

Go here to learn more: Oil well casing pipe sizes