114.3mm Diameter Steel Oil well Welding On Drill Pipe

High Quality Steel DTH Drill Pipe For Drilling Oilwell

Product Description

According to different application, different diameters of drill tubes are needed, basically, smaller DTH hammers need smaller DTH drill tubes, vice versa. Usually we are offering 50mm, 60mm, 76mm, 89mm, 95mm, 102mm, 114mm, 127mm, 140mm, 159mm.

Drill pipe usage notes

1. New drill pipe should be pasted oil before connection
2. Make up and break at least 3 times before drilling
3. Hard bending and plastic coating can be processed according to clients’ special requirements

 
 


 
FAQ
 
Q: What is your delivery time?
A: It usually takes 20 days to produce. Within 3 days (if there is stock).
 
Q: How to control the quality?
A: Before shipping, we should check and test each drill rod.
 
Q: Do you agree to order samples?
A: Yes, we welcome your sample order to test our quality.
 
Q: Has your drill pipe been heat treated?
A: Yes, our heat treatment of drill pipe and casing.
 
Q: Does your drill pipe have anti-rust function?
A: Yes, each drill pipe and casing will be anti-rust with paint or anti-corrosion oil before transportation. If you need galvanized pipe, please contact us.