特斯拉阀型AICD控流原理及性能分析  

Flow Control Principle and Performance Analysis of T-AICD

作　　者：黄晓东 范煦 王小萌 方正魁 赵岩龙 刘永升 Huang Xiaodong;Fan Xu;Wang Xiaomeng;Fang Zhengkui;Zhao Yanlong;Liu Yongsheng(Engineering Technology Research Institute(Supervision Company),PetroChina Xinjiang Oilfield Company;College of Petroleum,China University of Petroleum(Beijing)at Karamay;Operation Block of Shixi Oilfield,PetroChina Xinjiang Oilfield Company;School of Engineering and Technology,China University of Geosciences(Beijing))

机构地区：[1]中国石油天然气股份有限公司新疆油田分公司工程技术研究院(监理公司) [2]中国石油大学(北京)克拉玛依校区石油学院 [3]中国石油天然气股份有限公司新疆油田分公司石西油田作业区 [4]中国地质大学(北京)工程技术学院

出　　处：《石油机械》2024年第9期106-114,共9页China Petroleum Machinery

基　　金：国家自然科学基金青年科学基金项目“深度学习辅助页岩油储层两相流动尺度升级和模拟研究”(52004301);中国科学院“西部青年学者”项目“抽油杆故障智能诊断及优化设计研究”(2021-XBQNXZ-033)。

摘　　要：目前对于特斯拉阀结构在水平井控水领域的研究较少。为此,基于计算流体力学方法,研究了特斯拉阀型AICD(T-AICD)的控流原理及结构参数对其控水能力的影响。研究结果表明:T-AICD对高密度、低黏度流体具有较好的限制效果;T-AICD在生产压差大于1 MPa时控水效果更好,并且较为适合黏度为50~150 mPa·s的油藏;当T-AICD级间距为5 mm时,各黏度条件下均能取得较大油水比,但级数在4级以上时,继续增加级数对于低黏度和高黏度流体油水比的改善程度较小;对T-AICD为单级参数时,在不同黏度条件下,各几何参数对油水比的影响程度不同,但汇入角和流道宽度对油水比均有较大的影响。研究结论可为新型自适应流入控制装置AICD的优化设计提供理论指导。There is limited research on Tesla valve structure in the field of water control of horizontal wells.Based on computational fluid dynamics method,the flow control principle of Tesla valve type autonomous inflow control device(T-AICD)and the influence of its structural parameters on its water control capacity were investigated.The results show that T-AICD has a good limiting effect on high-density and low-viscosity fluids.T-AICD has a better water control performance when the drawdown pressure is greater than 1 MPa,and is more suitable for reservoirs with viscosity ranging from 50 mPa·s to 150 mPa·s.When the interstage spacing of T-AICD is 5 mm,a larger oil-water ratio(OWR)can be achieved under various viscosity conditions.When the stage number is above 4,further increasing the stage number has a smaller improvement on the OWR of low-viscosity and high-viscosity fluids.When T-AICD is a single stage,the impact of each geometric parameter on the OWR varies under different viscosity conditions,and the afflux angle and channel width have a significant impact on the OWR.The study conclusions provide theoretical guidance for the optimization design of the new AICD.

关 键 词：特斯拉阀型AICD 仿真分析模型 控水性能 油水比 几何参数 

分 类 号：TE931[石油与天然气工程—石油机械设备]