双层衬里筛选管双层衬里筛选管由API标准的基本管组成,双层高精度楔形线滤管管和衬里的滤镜材料之间。产品的特性:1。高度筛选缝隙可以有效地控制沙子并充当保护介质。 2.The use of double-layer lined screening pipe can reduce diameter of drilling hole, save drilling time, and reduce drilling cost. 3. The use of double-layer lined screening pipe can reduce the workload of operators, and improve the success rate of drilling. 4.Filter material can be[…]