Standard: API 5D
Specification: OD: 2 3/8”-6 5/8”
Steel Grade: E75, X95, G105, S135
Internal Coating: TK34, TC2000, TC3000
Hardbanding: ARNCO 100XT, 200XT, 300XT, BOTN3000, ARMACORM
Length: R1: 5.49-6.71m R2: 8.23-9.14m R3: 11.58-13.72m
Usage: As the major part of drill stem, drill pipe connected with Kelly and drill collar, which is used to put torque to drill bit, and drill collar.
