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中文摘要：
长水平井易过早见水/ 气,在完井段上安装流入控制装置（ICD）可有效解决该问题.针对油井见水后被动式流入控制装置（PICD）发生失效,而当前各自适应流入控制装置（AICD）均存在其局限性的问题,创新提出了一种新型自适应流入控制装置,该装置由Y 形导流器和圆盘形限流器组成.利用数值模拟软件分析了其内部流动规律,优化了其结构参数,并基于优化结果研究了流体参数敏感性.研究结果表明,该装置在径向连接方式、60°分支角、3 个Y 形导流器情况下的结构最优,且其对密度、黏度均不敏感.新设计的装置稳油控水能力强,不含可动件,对油相密度和黏度均有较大的适用范围.
英文摘要：
Premature water/gas breakthrough may occur in long horizontal wells, so an inflow control device （ICD） installed incompletion section can effectively address this problem. After water breakthrough in oil wells, the passive inflow control device （PICD）fails and all kinds of current adaptable inflow control devices （AICD） are more or less limited to some extent. So a new adaptable inflowcontrol device is presented, composed of Y-diverter and a disc limiter. Its internal flow pattern was analyzed and structure parameterswere optimized using numerical simulation software, and the fluid parameter sensitivity was studied based on optimization results. Theresearch shows that this device is in its optimal structure when in radial connection mode, at 60° branch angle, having three Y-diverters,and it is not sensitive to density and viscosity. The newly designed device is strong in oil stabilization and water control, and has nomoving parts and enjoys a broad application range in oil density and viscosity.
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