7 inch API 5ct grade n80 steel casing pipe for oil and gas drilling
Casing pipe is used to stabilize the well, in order to make sure that the whole well can work smoothly. We also can design and produce casing and tubing of stainless steel series for our clients. API/ISO Casing and tubing material:H40,J55,K55,N80,L80, P110,Q125 etc Connection type of API/ISO tubing: EUE,NUE Connection type of API/ISO casing: STC,LTC,BTC…