1,unique spiral pattern 2,stainless steel, carbon steel(galvanized or painting),etc 3,anti-corrosion,anti-heat,etc. Sand control pipe can be used for vertical wells,the inclined shaft,horizontal wells and various gas,oil and water wells.Can be used individually as sand control tube,also can be used together with fillings. Spiral Welded PipePerforated seam is welded in straight line; with unique ...