sand-hog

Through analyzing existing methods and measures that vehicles used in expressway,putting forward a new kind of reasonable system named automatic manual tunnel defending fog system.

通过对现有高速公路雾天车辆通行方法与措施的分析,提出一种结构合理的自动化人工隧道——隔离防雾罩系统,该系统对常年浓雾段车辆的正常通行有较好的使用效果,可为构建未来全天候国家高速公路网研究提供基础。

The sand removal from sandy oil and purification of oily sand is one of key links to guarantee the normal cold production of viscous oil wells as failure of sand control and the successful application of advanced oil recovery technique such as moderate sand control in offshore viscous oil field.

含砂原油除砂和含油砂净化处理是保证海上油田防砂失败油井正常生产和稠油冷采、适度防砂等先进采油技术成功应用的关键环节之一,在油田开发前期设计中须充分考虑。