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Drill Pipe

Drill Rod
Drill rod (also drill pipe) is a tubular or rod-shaped component with threads on its end used for transmitting power to drill bits. It follows the drill bit into borehole. This product is used for connecting the surface equipment of drilling rigs and drill tools or bottom hole assembly. It transports drilling mud to drill bits and it is also used for raising, lowering or rotating the bottom hole assembly. Drill rod must be capable of bearing large internal and external pressure, torsion, bend and vibration...
Drill Collar
Drill collar is a thick steel tube at the bottom of the drill string. It is an important component of the bottom hole assembly. Its main character is the thick wall (the wall thickness is generally from 38 mm to53 mm which is four or five times that of drill rod). This product has larger weight and rigidity. It has multiple shapes, such as round, square, triangle and spiral. Round and spiral type ones are commonly used. Drill collars are mainly used to supply drilling pressure to drill bit ...

Drill pipe is a seamless steel tube with special threaded ends called tool joints. It connects the surface equipment of drilling rig with the bottom hole assembly and the bit in order to pump drilling fluid to the bit. This thick-walled steel piping is also used in raising, lowering or rotating the bottom hole assembly and bit. It is made of steel through hot rolling or cold-drawing process. Our drill pipes have passed the ISO9001:2000 quality system assessment and the API certification of the American Petroleum Institute. Our products in this category include drill rod and drill collar.


Drill string consists of drill pipe and drill collar which is closest to the bit or bottom hole assembly. The former is a rod-shaped or tubular pipe with threads at its ends. It is used to transmit power and connects surface equipment with bottom hole assembly. The latter has thick wall and it is used to add pressure to the drill bit and control well deviation.


1. Our drill pipes have superior torque-resistant performance.
2. They are suitable for the drilling in acid environments.
3. They are capable of forming smooth boreholes.
4. Our products in this category feature great durability and lower repair rate.
5. Our drill pipes are manufactured in an integrated production process where pipe bodies and tool joints are assembled through friction welding.
6. Our product engineering capabilities allow us to work in partnership with our clients to create drill pipe to meet their specific needs.


Drill pipes (including drill rod and drill collar) are used in geological and oil drilling. They can go deep into the stratum thousands of meters underground. They bear tension, press, torque, impulse load and other stresses. Their walls would be abraded by slurry and rock particles. The steel pipe as raw material is required to be strong, hard, anti-abrasion and anti-impact.

How to Avoid Damaging the Threads

When using new drill pipe and drill collar for the first time, it is important not to damage the threads and to reduce initial wear. There are some suggestions to avoid thread problems.
1. Inspect the lower connection in the top sub to make sure the threads are in good condition. The connection should be free from crackles and rough spots on the threads and the threads are not too worn. If clients are putting on a new string or a significant number of new drill pipes, a new top sub is recommended.
2. Remove the thread protectors from the drill rod and clean off any tool joint compound. Inspect the connections for damage that may have occurred during transport. A damaged thread protector may be a sign of a damaged thread. Apply new and good quality tool joint compound. The compound should be free from dirt or other containments.
3. Prior to making the connection at the table, please cover the connection in the table and blow out the drill pipe. The tubes are heat treated and thereby may contain scales. Although the scales are removed during production, more may be present from the bumps and handling during transport. Scale does not go well with DTH hammers.
4. Make and break the connections slowly for a couple of times. If there is resistance, client may want to back off and inspect for damages or perhaps check your rig alignment. Afterwards, clean off the tool joint compound and inspect for damages again. If it is ok, reapply compound.

Terms of Payment and Packaging & Delivery

We accept 30% T/T advance payment or letter of credit. The drill pipes are packed in containers and are transported by sea.