Pup joints

Pup joint is designed and manufactured to adjust height of tubing or casing strings or depth of down-hole tools, and these pup joints are made of seamless steel pipes, and material for pup joint can be available in J55, K55, N80, L80 or P110. Pup joint can be available with tubing pup joint or casing pup joint, sizes of tubing pup joint range from 2⅜ inch to 4½ inch , and casing pup joint range from 4½ inch to 13⅜ inch , thread of pup joint can be 8RD, 10RD or BTC, length of tubing pup joint are often offered in 2ft, 3ft, 4ft, 6ft, 8ft, 10ft and 12ft, length for special purpose can be available as per order. Pup joints are machined with interchangeable Pin & Box thread on two ends or other configuration, one end is equipped with coupling, and another end is protected with closed end thread protector. Nominal weight of tubing pup joint is the same as tubing, and casing pup joint is the same as casing.