地层动态测试器液压系统仿真分析  

Simulation of Hydraulic System for Formation Dynamics Tester

作　　者：郑哲 王晓冬 王飞[4] 方璐 韩冬[1,2] 龚国芳 杨华勇[1,2] ZHENG Zhe;WANG Xiao-dong;WANG Fei;FANG Lu;HAN Dong;GONG Guo-fang;YANG Hua-yong(School of Mechanical Engineering, Zhejiang University, Hangzhou, Zhejiang 310027;State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou, Zhejiang 310027;Technology Research Institute of China Petroleum Logging Co. , Ltd. , Xi’an, Shaanxi 710077;Beijing Institute of Space Launch Technology, Beijing 100076)

机构地区：[1]浙江大学机械工程学院,浙江杭州310027 [2]浙江大学流体动力与机电系统国家重点实验室,浙江杭州310027 [3]中国石油集团测井有限公司测井技术研究院,陕西西安710077 [4]北京航天发射技术研究所,北京100076

出　　处：《液压与气动》2022年第5期175-181,共7页Chinese Hydraulics & Pneumatics

基　　金：国家重点研发计划(2018YFB1702503);国家自然科学基金(52105072)。

摘　　要：地层动态测试器逐渐成为石油勘探与开发领域中不可或缺的重要设备。其中,液压系统工作稳定性易受到井下极端环境影响,因此迫切需要通过仿真手段预先判断其潜在缺陷并加以优化。首先介绍地层动态测试器液压系统组成,分析其工作原理及系统特性;其次应用Automation Studio软件搭建仿真模型,设置各元件的结构参数和工作参数;接着对八种工作状态进行仿真,获取液压泵出口压力、执行元件行程等关键参数,对系统潜在缺陷进行分析,提出相应的优化设计方案。The formation dynamic tester gradually becomes an indispensable equipment in the field of petroleum exploration and development.The operation stability of hydraulic system can be easily destroyed by the harsh downhole environment.Therefore,it is urgent to discover its potential defects through simulation and provide corresponding optimization methods.Firstly,the hydraulic system composition of formation dynamic tester is introduced,as well as its working principle and dynamic characteristics.Secondly,the simulation model is established in Automation Studio,and the parameters are set up according to the realistic situations.Then totally eight kinds of working states are considered to obtain several important parameters,such as output pressure of pump,actuators displacement.Based on these results,the potential defects are analyzed and corresponding optimization design scheme is proposed.

关 键 词：石油勘探 地层动态测试器 液压系统 Automation Studio 

分 类 号：TH137[机械工程—机械制造及自动化]