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针对水平井成井特点,结合大量室内试验,研制了双壁预充陶粒携砾过滤器。该过滤器滤层均匀密实、粒径级配合理,透水、阻砂性能好。使用携砾过滤器成井时,不用围填滤料,简化了成井工艺;衬管具有较高的抗拉、抗压强度和韧性,质量轻,便于水平井铺管安装,解决了水平井无法围填滤料的成井难题。
According to the characteristics of horizontal well into well, combined with a large number of indoor tests, developed a double-wall pre-filled ceramsite gravel filter. The filter layer is even and dense, particle size and reasonable, permeable, sand good performance. The use of gravel filter into the well, do not have to fill the filter media, simplifying the well-forming process; liner with high tensile strength, compressive strength and toughness, light weight, easy horizontal pipe installation, to solve the horizontal well can not be Wai Filling material into the well problems.