Strict Standards: Non-static method Mod_Info::nextitem() should not be called statically in /www/wwwroot/2019/solid-pipeline.com/source/widget/info_detail.php on line 100 Oil Well Casing and Tubing-News Center-Cangzhou Solid Pipeline Co.,Ltd-
Casing and tubing strings 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.