Structure design and performance analysis of downhole hydraulic decoder

IF 0.3 4区工程技术 Q4 ENGINEERING, MULTIDISCIPLINARY Revista Internacional de Metodos Numericos para Calculo y Diseno en Ingenieria Pub Date : 2023-01-01 DOI:10.23967/j.rimni.2023.04.002

H. Fang, X. Zhou, Z. Liu, Y. Peng, Y. Wu, J. Li

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Abstract

In order to reduce the number of hydraulic decoders and hydraulic control pipelines in hydraulically controlled intelligent wells, reduce production costs and improve oil recovery efficiency, the structural design of ICV control of two hydraulic control pipelines and a single hydraulic decoder for four production layers in the well was completed. By simulating the response law of downhole hydraulic signals and the stress analysis of each structure, the motion equation of the layer selection structure of the hydraulic decoder was established with 4 MPa as the unlocking pressure, and ADAMS was used to complete the dynamic simulation analysis. The variation results of displacement, angle, velocity and acceleration in the process of motion were obtained. Finally, the prototype of the hydraulic decoder was processed by stereo photo curing 3D printing equipment. Two hydraulic pumps were used to press alternately, and the selection of four layers of the hydraulic decoder was realized through two hydraulic control pipelines. The self-locking structure could realize the established function, and there was no interference and stuck between the components, which verifies the effectiveness of the design.

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井下液压解码器结构设计与性能分析

为了减少液压控制智能井中液压解码器和液压控制管路的数量，降低生产成本，提高采收率，完成了该井中4个生产层的2条液压控制管路和1个液压解码器的ICV控制结构设计。通过对井下液压信号响应规律的仿真和对各结构的应力分析，建立了以4 MPa为解锁压力的液压解码器选层结构的运动方程，并利用ADAMS软件完成了动态仿真分析。得到了运动过程中位移、角度、速度和加速度的变化结果。最后，利用立体光固化3D打印设备对液压解码器样机进行加工。采用两台液压泵交替按压，通过两条液压控制管路实现四层液压解码器的选择。自锁结构能够实现既定功能，且各部件之间不存在干扰和卡死现象，验证了设计的有效性。

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来源期刊

Revista Internacional de Metodos Numericos para Calculo y Diseno en Ingenieria 工程技术-工程：综合

CiteScore

0.70

自引率

0.00%

发文量

审稿时长

6 months

期刊介绍： International Journal of Numerical Methods for Calculation and Design in Engineering (RIMNI) contributes to the spread of theoretical advances and practical applications of numerical methods in engineering and other applied sciences. RIMNI publishes articles written in Spanish, Portuguese and English. The scope of the journal includes mathematical and numerical models of engineering problems, development and application of numerical methods, advances in software, computer design innovations, educational aspects of numerical methods, etc. RIMNI is an essential source of information for scientifics and engineers in numerical methods theory and applications. RIMNI contributes to the interdisciplinar exchange and thus shortens the distance between theoretical developments and practical applications.