168mm Drill Pipe Diameter Water Well Drill Pipe DTH Drill Pipe

Product Description

The drill pipe is a steel pipe with a thread at the tail, which is used to connect the ground equipment of the drilling rig with the drilling equipment at the bottom of the well or bottom hole equipment. The purpose of the drill pipe is to transport the drilling mud to the drill bit and raise, lower or rotate the bottom hole together with the drill bit. The drill pipe must be able to withstand huge internal and external pressure, twisting, bending and vibration. In the process of oil and gas extraction and refining, the drill pipe can be used many times. There are three types of drill rods: kelly, drill rod and weighted drill rod. The connection sequence is square drill pipe (1 piece) + drill pipe (n pieces, determined by the well depth) + counterweight drill pipe (n pieces, determined by the drilling tool assembly design). The classification of drill pipes, drill pipe joints, drill pipe specifications, and the steel grade and strength of drill pipes are introduced in detail.

Main features

The drill pipe is a steel pipe with a thread at the tail, which is used to connect the surface equipment of the drilling rig and the drilling and grinding equipment or bottom hole device located at the bottom end of the drilling well. The purpose of the drill pipe is to transport the drilling mud to the drill bit, and together with the drill bit to raise, lower or rotate the bottom hole device. The drill pipe must be able to withstand huge internal and external pressures, twists, bends and vibrations. During the extraction and refining of oil and gas, the drill pipe can be used multiple times.

FAQ

Q: What's your delivery time?
A: Commonly produce need 20 days to produce. Within 3 days if in stock.

Q: How to control the quality?
A: We should be checking & testing everyone drill rod before shipment.

Q: Do you agree sample order?
A: Yes, we are welcome your sample order to testing our quality.

Q: Does your drill rod have heat treatment?
A: Yes, the heat treatment for our drill rods and casing pipes.

Q: Does your drill rod have rust prevention?
A: Yes, every one drill rod and casing pipe will be with the rust prevention by paint or anticorrosive oil before shipping. If you need galvanized pipes pls contact us the price.