Drill pipe joints (butt weld) is oil and natural gas drilling with drill pipe used in the welding head and body, including inside and outside the nipple. The company produces all kinds of drill pipe joints, according to the user needs to provide a variety of drill pipe joints rough, light blanks and finished products.
◆ Oil casing collar
The company's casing collar according API125CT standard manufactured materials used in steel grade are: H40, J55, K55, M65, N80, L80, C90, T95, P110, Q125 and so on. Casing collar seamless process.
◆ Drill adapter
Drill adapter is the oil and gas drilling, coal and geological exploration drilling in the indispensable accessories, is an important component composed of one of the drill string. It is the drill in different specifications in connection with the conversion from the role. The company can produce according to user needs with the drill collar, drill pipe
◆ Kelly cock
Kelly cock is the circulatory system in the drill manual control valve is to prevent blowout, kick an effective tool. Upper kelly cock connected to the tap between the lower and upper drill pipe, plug valves connected to the lower kelly kelly and drill pipe at one end or the bottom of drill pipe to protect joints.