1.66 Tubing 1.66 tubing is used to transport oil.Tubing strings and Casing are the main parts of the well construction. All wells drilled for the purpose of oil or gas production (or injecting materials into underground formations) must be cased with material with sufficient strength and functionality. Send InquiryChat Now Product Details: Product Description: 1.66 tubing is used to transport oil.Tubing strings and Casing are the main parts of the well construction. All wells drilled for the purpose of oil or gas production (or injecting materials into underground formations) must be cased with material with sufficient strength and functionality. Diameter 1.66â??,2-3/8â??~4-1/2â?? Weights As per API 5CT Lengths R1,R2,R3 Grades J-55,K55,N80Q,L80& P110 etc Connections BTC,LTC,STC Standard As per API 5CT Package&Delivery Package Standard Steel Frame Delivery Within 15 working days Shippment EXW,CFR,CIF By air, By sea Our Services/Warranty As a professional manufacturer, we provide follow services: 1.Lower price 2.ONE year warranty and life time maintenance 3.In time delivery. 4.High Quality assurance.. Hot Tags: 1.66 tubing, China, manufacturers, factory, in stock