Design and numerical simulation of water restriction device AICD for natural gas exploitation

被引：0
|
作者：
Shi W.-P. [1 ]
Zhao X. [2 ]
Hu X.-J. [3 ]
Yu T.-M. [3 ]
Liu B.-W. [1 ]
Duan Y. [1 ]
机构：
[1] College of Mathematics, Jilin University, Changchun
[2] Sinopec Research Institute of Petronasleum Engineering, China Petroleum & Chemical Corporation, Beijing
[3] State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun
来源：
Jilin Daxue Xuebao (Gongxueban)/Journal of Jilin University (Engineering and Technology Edition) | 2019年 / 49卷 / 06期
关键词：
Autonomous inflow control device(AICD); Fluid mechanics; Numerical simulation; Pressure difference; Water reservation;
D O I：
10.13229/j.cnki.jdxbgxb20180880
中图分类号：
学科分类号：
摘要：
The autonomous inflow control device (AICD) is a downhole flow control device for oil and gas exploitation. It can inhibit the water flow into wellbore, delay water coning and prolong the service life of oil and gas wells. In this paper, an improved AICD with two layer baffles is designed for downhole water flow restriction. The mechanism of AICD was analyzed for the water flow restriction and the gas flow preservation. The gas flow and water flow in AICD are simulated numerically. The pressure field is calculated, and the inlet-outlet pressure difference of water and gas are calculated respectively. A curve fitting method is adopted to obtain the relationship between the pressure difference and the flow rate. Numerical results show that the pressure difference of water flow is much greater than the pressure difference of natural gas, indicating that our AICD has a significant effect for blocking water. © 2019, Jilin University Press. All right reserved.
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页码：1986 / 1991
页数：5
相关论文
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