A rod in a drilling tool that connects and transmits power. The common components of drill string are drill bit, collar, drill pipe, stabilizer, special joint and square drill pipe. The basic functions of the drill string are: (1) lifting down the bit; (2) applying drilling pressure; (3) transferring power; (4) transporting drilling fluid; (5) carrying out special operations: squeezing cement, dealing with downhole accidents, etc.

API standard E75 to S135 steel grade, outer diameter from 23/8 to 65/8 series of oil drill pipes, double shoulder joint drill pipes with high torsion resistance and special steel grade BNK C95S drill pipes for sulphur oil wells. It is mainly suitable for the construction of deep, horizontal and extended reach wells in the process of oil and gas exploration and development.

Product specification:

We are dedicated in offering continuous integrated logistic services and managing optimal logistic solutions based on clients’ needs.We have invested 150 large-scale trucks and 2 large-scale cranes which guarantee to deliver on time and load quickly.Sourcing ,professional team,technology support.

l Additional services on working time:

In order to adapt to each country's working time and timely response to customer,we provide 7-day 24-hour services.

l Additional services on secure transaction:

1.For reputable companies to provide credit services.
2.For all customers to provide credit protection services.

l Additional service after sale:

In order to solve the products technical and installation issue after sale,our company has one professional team to trace all products after sale for customers,this team will provide customers with the most professional advice and help.