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本文介绍了油井出砂给油气集输系统造成管道和工艺设备磨损堵塞、降低设备处理能力、控制操作失灵、流程不密闭、油气损耗大等危害。文中着重叙述地面集输系统除砂工艺技术分别是密闭除砂、多相分离器除砂、大罐沉降除砂、过滤除砂、离心机除砂等。本文最后总结了在地面除砂工艺设计中应注意的问题,这些除砂工艺技术经过实际应用都取得了很好的效果,现均已在石油系统推广应用。
This paper introduces the sand production of oil well to the pipeline and process equipment caused by oil and gas gathering and transportation system, wear and tear plug, reduce equipment handling capacity, control operation failure, the process is not closed, oil and gas loss and other hazards. This article focuses on the ground gathering and transportation system desanding process technology is closed sand, multi-phase separator sand removal, large tank settling sand removal, filter sand removal, centrifuge sand removal and so on. At the end of this paper, the problems that should be paid attention to in the process of sand removal are summarized. These sand removal technologies have achieved good results through practical application and are now widely used in petroleum systems.