Huitong Special Steel Co.,Ltd is a famous China oil casing pipe manufacturer and supplier,Website:http://www.htongsteel.com, equipped with a productive factory and company and as a professional oil casing pipe exporter and seller, we are always welcoming you to buy and wholesale high quality oil casing pipes, oil casing steel pipe, oil well casing pipe, oil well casing steel pipe from our factory. Htongsteel has emerged as the one stop solution leading provider for all your Oil casing pipe requirements. We are one of the largest exporters & distributors of Oil casing pipe in China. Our products have been widely used in many fields both at home and abroad. Each department are under perfect management and fully automated production so as to offer the Best Quality Products and Prompt Services to our Clients. Oil casing pipe is large diameter pipes, so as to promote the drilling, have fixed the role of oil and gas oil casing or hole.Casing is inserted into the hole and fixed with cement, in order to prevent the borehole and separated strata borehole collapse, and ensure the drilling mud circulating flow. Oil special pipe is mainly used in oil and gas well drilling and oil and gas transportation.It includes petroleum drill pipe, oil casing, tubing.Oil casing pipe is mainly used in the drilling process and after the completion of borehole wall support, to ensure that the drilling process and after completion of the normal operation of the oil Wells. Main pipe will be well at the bottom of the oil and gas transmission to the ground. Oil casing pipe main grade:H40,J55,K55,M65,L80,C90,N80,C90,C95,T95,P110,Q125. Size Grade with Clasp Type Standard OD mm(in） WT mm H40 J55、K55 M65 L80、C90 N801、N80Q C95、T95 P110 Q125 114.3(4 1/2) 5.21 S S S API SPEC 5CT/ISO11960 5.69 S/B S/B 6.35 S/L/B L/B L/B L/B L/B L/B 7.37 L/B L/B L/B L/B L/B 8.56 L/B L/B 127(5) 5.59 S S 6.43 S/L/B S/L/B 7.52 S/L/B/E L/B S/L/B/E S/L/B/E S/L/B/E S/L/B/E 9.19 L/B S/L/B/E S/L/B/E S/L/B/E S/L/B/E L/B/E 11.1 L/B L/B L/B L/B L/B L/B 12.14 L/B L/B L/B L/B L/B 12.7 L/B L/B L/B L/B L/B 139.7(5 1/2) 6.2 S S S 6.98 S/L/B/E S/L/B 7.72 S/L/B/E L/B S/L/B/E S/L/B/E S/L/B/E S/L/B/E 9.17 L/B S/L/B/E S/L/B/E S/L/B/E S/L/B/E 10.54 L/B S/L/B/E S/L/B/E S/L/B/E S/L/B/E S/L/B/E 12.7 14.27 15.88 17.45 19.05 20.62 22.22 168.28(6 5/8) 7.32 S S/L/B S/L/B 8.94 S/L/B L/B S/L/B/E S/L/B/E L/B/E S/L/B/E 10.59 L/B S/L/B/E S/L/B/E L/B/E S/L/B/E 12.06 S/L/B/E S/L/B/E L/B/E S/L/B/E L/B 177.8(7) 5.87 S 6.91 S S S L/B/E 8.05 S/L/B L/B S/L/B/E S/L/B/E L/B/E 9.19 S/L/B L/B S/L/B/E S/L/B/E L/B/E S/L/B/E 10.36 L/B S/L/B/E S/L/B/E L/B/E S/L/B/E 11.51 L/B S/L/B/E S/L/B/E L/B/E S/L/B/E 12.65 S/L/B/E S/L/B/E L/B/E S/L/B/E S/L/B/E 13.72 S/L/B/E S/L/B/E L/B/E S/L/B/E S/L/B/E 15.88 17.45 19.05 20.62 22.22 193.68(7 5/8) 7.62 S Related Search: Oil Casing Pipes, Casing Pipe, Oil Casing Steel Pipe, oil well casing pipe, oil well casing steel pipe.
