API 5CT J55 for drilling and tubing

API 5CT J55 for drilling and tubing Petroleum related standards API 5CT: Specification for Casing and Tubing (the latest edition is the 8th edition) API 5D: Specification for Drill Pipe (the latest edition is the fifth edition) API 5L: Specification for Pipeline Steel Pipe (the latest edition is the 44th edition) API 5B: Specification for Machining, Measuring and Inspection of Casing, Tubing and Pipeline Threads GB/T 9711.1-1997: Petroleum and Natural Gas Industries - Steel Pipe for Transmission - Technical Delivery Conditions - Part 1: Class A Steel Pipe GB/T9711.2-1999: Petroleum and Natural Gas Industries - Steel Pipe for Transmission - Technical Delivery Conditions - Part 2: Class B Steel Pipe GB/T9711.3-2005: Petroleum and Natural Gas Industries - Steel Pipe for Transmission - Technical Delivery Conditions - Part 3: Grade C Steel Pipe Tubing is pipe used for the transportation of crude oil and natural gas from an oil or gas layer to the surface aft…