Published by 管理 at November 10, 2016 Drill pipe is hollow, thick-walled piping that transfers drilling fluid and torque through the wellbore to the drill bit on a drilling rig. It is made to endure serious internal and external pressure, distortion, bending, and vibration as it both rotates and lifts the bottom hole assembly (BHA). Drill pipe is threaded on each end in a section of pipe described as the tool joint. It is manufactured, sampled, tested, and inspected in accordance with basic specs such as the American Petroleum Institute (API). Drill pipe Grade: E75, X95, G105, S135 . The wear-resistant belt of tool joint: Arnco 100XT, 200XT, 300XT, 400XT Internal coating drill pipe: TK34, DPC, TC2000, TC3000 Drill pipe API SPEC 5DP defines the technical delivery conditions for […]