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The Difference Between Oil Casing And Oil Drill Pipe
2021-11-18 10:41:21

Oil casing pipe is used to support the walls of oil and gas wells to ensure the normal operation of the overall oil and gas well after the completion of the drilling process and the completion of the well. Each well uses several layers of casing according to different drilling depths and geological conditions. Cement should be used after casing downhole. It is different from tubing and drill pipe and cannot be reused many times. It should be a one-time consumable material. Therefore, casing consumption accounts for more than 70% of all oil and gas well pipes. Petroleum casing pipes can be divided into pipes, surface casings, technical casings and oil layer casings according to their application.

A rod connected in a special drilling tool for power transmission. The usual components of a drill string are: drill bit, drill collar, drill pipe, stabilizer, special joint and kelly. The basic functions of the drill string are: (1) trip the drill bit; (2) increase the weight on bit; (3) transmit power; (4) transmit drilling fluid; (5) complete special operations: squeeze cement, solve underground accidents, etc. API standard E75 to S135 steel grade, series product petroleum drill pipes with outer diameters from 23/8" to 65/8" and double shoulder joint drill pipes with high torsion resistance and special products for sulfur-bearing oil and gas wells Steel grade BNKC95S drill pipe. Specifically, it is suitable for the construction of deep water wells, horizontal wells and extended reach wells in the process of oil and gas exploration and development.