求翻译：　近日，西门子水处理技术部宣布推出一种适用于海上石油和天然气系统的新式小型核桃壳过滤器。这种专有的过滤器不需要使用移动设备进行反冲洗，与其它核桃壳过滤器结构相比，显著减少了反冲洗水的用量。它简化了过滤器的设计，减少了重量和占地面积，与多过滤器系统相比减少了成本，因而成为海上石油生产的理想产品。是什么意思？

　Recently, the Department of Siemens water technologies Announces a apply to offshore oil and natural gas system of new small walnut shell filter. This exclusive Backwashing filter does not need to use a mobile device, compared with other walnut shell filter structure, drastically reduces Backwashing water usage. It simplifies the design of filters, reducing weight and footprint, compared with filter systems reduce costs, thus become the ideal product for offshore oil production.