I am required to select tubing size and thickness which is to be laid from SSV/ SCSSV to WHCP. Tubing Material is A-213. Shut-in Pressure of Wellhead is 750 Psig. I do not know the hydraulic pressure though. Now how can I know what tubing size and thickness can I use 1/4", 3/8", 1/2", 3/4", 1" (6mm, 10mm, 12mm, 20mm, 25mm). and how can i decide thickness?(0.010, 0.012, 0.014, 0.016, 0.020, 0.028, 0.035, 0.049, 0.065, 0.083, 0.095, 0.109, 0.120, 0.134, 0.156, 0.188) I am using Swagelok catalog