API Specification 5CT casing and tubing

                                            API 5CT Casing  and Tubing

Steel : J55 K55 N80-1 N80-Q L80 P110

Size: Tubing  2 3/8" - 4 1/2"

         Casing pipe 4 1/2"-20"


Length:R1(4.88-7.62M)  R2(7.62-10.36M)  R3(10.36-14.63M)

Thread type:BTC  LC  SC

Product list:

Puyang Zhongshi Group Co., Ltd. is a restructuring enterprise of China Petrochemical Group. The Group is an integrated enterprise and we mainly manufacture Petroleum machinery products. The main products are Oil Extraction Equipment, Drilling Equipment, Electrical Equipment, Pressure Vessel and Steel Structural Processing, 10 main categories and more than 100 items. Besides sold to the major domestic oil fields, our products also have been exported to more than 10 countries, such as America, Middle East, Central Asia,  Africa and so on.  

Zhongshi Group is an AAA stage credit enterprise of Industrial and Commercial Bank of China and China Construction Bank, one member enterprise of Sinopec & CNPC  resource markets. In recent years, more than 20 products have been entitled national patent products and 5 products such as Pumping unit and Pump, and other products have got American API certification. 

Zhongshi Group is located in the beautiful seventh mining of Zhongyuan Oil Field, and we are willing to work together with friends in all fields to create a brilliant future.