Oil Country Tubular Goods (OCTG) Pipes - are pipes used in wells in oil and gas industries consisting of casing, tubing, drill pipe, conductor pipe, couplings & pup joints, most of them are Seamless Steel Pipes.
OCTG Casing is the structural retainer for the walls of
oil and gas wells, Casing sizes from 4.5 to 20 inches O.D. , wall
thickness from 5.21 mm to 15.88 mm, material grade J55, K55, N80, L80,
P110, etc., according to API SPEC 5CT Standard.
OCTG Tubing is used within the casing to convey the oil or gas to the ground surface, Tubing sizes from 1.050 to 4.5 inches O.D., wall thickness from 3.18 mm to 10.54 mm, material grade J55, K55, N80, L80, P110, etc., according to API SPEC 5CT Standard.