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Design and Reliability Evaluation of Downhole Flow Control Valve for Electro-hydraulic Composite Intelligent Completion of wells
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Design and Reliability Evaluation of Downhole Flow Control Valve for Electro-hydraulic Composite Intelligent Completion of wells
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Journal Article
Design and Reliability Evaluation of Downhole Flow Control Valve for Electro-hydraulic Composite Intelligent Completion of wells
2025
Overview
In order to design high-strength downhole flow control valve, realize stratified oil and gas production and dynamic regulation, improve mining efficiency, reduce pollution and promote the development of intelligent completion technology, this paper selects processing materials suitable for electro-hydraulic composite intelligent completion flow control valve based on field working conditions and the working principle of hydraulic control flow control valve. The structure of key components such as valve body, slide sleeve and throttle valve sleeve is designed, and the mechanical properties of key components of flow control valve are modeled and simulated successively by numerical simulation method combined with the actual service conditions of flow control valve in the underground, and the service reliability of flow control valve is clarified. The results show that: Under the coupling conditions of pressure 50 MPa, load 650 KN and temperature 125 °C, the maximum stress value appears on the surface of the throttle valve sleeve is 980 MPa, and the maximum deformation of the parts is controlled within 0.202 mm, and the strength of all parts is lower than the yield strength of the material, fully meeting the requirements of the field working conditions. This tool is of great significance for improving oil field recovery and intelligent well completion development.
Publisher
IOP Publishing
