Product Name: Whirl-resistant float collar and float shoe andWhirl-resistant plug Product description: This product has simple structure and can resist whirling after being pressed by whirl-resistant plug. It is easy to drill the plug out after cementing. The float equipment has good sealing property of withstanding back pressure. It is used not only in vertical well but also in high-angle well and horizontal well. Float shoe is at the bottom of casings. Float collar is above the float shoe. There are 1 or 2 casings between float collar and float shoe. Specifications: 5" 5 1/2" 7" 9 5/8", ect. Thread: API Conventional thread and Part of the gas seal threads.

