油气井井下节流工艺研究综述  

Summary of research on downhole throttling technology of oil and gas wells

作　　者：窦益华[1] 闫新 郑杰[1] 宋振宇 DOU Yihua;YAN Xin;ZHENG Jie;SONG Zhenyu(College of Mechanical Engineering,Xi'an Shiyou University,Xi'an Shaanxi 710065,China)

机构地区：[1]西安石油大学机械工程学院

出　　处：《石油化工应用》2020年第2期1-7,12,共8页Petrochemical Industry Application

基　　金：国家自然科学基金，项目编号：51674199;陕西省自然科学基础研究计划，项目编号：2019JQ-825

摘　　要：对于井下节流工艺,研究的重点主要在于确定节流的天然气温度、压力、流速、气体密度等有关参数的变化情况。通过对天然气水合物预测模型、节流温降压降模型、井下节流器的结构优化方面相关文献资料的研究,阐述了井下节流工艺的发展历程及成果,提出了研究中目前存在的问题,为下一步的研究工作指明方向。For the downhole throttling process,the main focus of the research is to determine the changes in the parameters of the throttling natural gas temperature,pressure,flow rate,gas density and other related parameters.Through the research on the natural gas hydrate prediction model,the throttling temperature drop-down model and the structural optimization of the downhole throttle,the development history and results of the downhole throttling process are expounded,and the existing problems in the research are put forward,pointing out the direction for the next research work.

关 键 词：井下节流 天然气水合物预测 节流温降压降 井下节流器结构优化 

分 类 号：TE37[石油与天然气工程—油气田开发工程]