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…

TUBING COUPLING CASING TUBING PUP JOINT