抽油机井不停机智能间抽技术及其应用  

Technology of intelligent inter pumping with running in pumping wells and its application

作　　者：陈锐[1] 韩岐清[1] 郑小雄[1] 李文娟[1] 胡南[1] CHEN Rui;HAN Qiqing;ZHENG Xiaoxiong;LI Wenjuan;HU Nan(PetroChina Dagang Oilfield Company,Tianjin 300280,China)

机构地区：[1]中国石油大港油田公司,天津300280

出　　处：《石油化工应用》2020年第12期40-43,共4页Petrochemical Industry Application

基　　金：中国石油勘探与生产分公司重点项目“机械采油系统整体提效降耗关键技术研究”,项目编号:2018-11-08-01。

摘　　要：常规抽油机井间抽采油技术存在生产效率低、管理难度大、安全风险高等问题。不停机智能间抽技术利用整周运行与低速摆动运行的组合工作方式,实时分析动液面、抽油泵泵效优化调整间抽工作制度;同时以抽油杆柱最大弹性形变为基础,实时优化曲柄最佳摆幅,形成了曲柄低速摆动运行、井下抽油泵停抽、地面抽油机不停机的智能间抽工艺。现场应用表明:较常规间抽采油技术,系统效率提高10.12%、日耗电降低91.42 kW·h,平均节电率41.1%,实现了低产液井供排协调和高效安全生产。There are some problems in conventional pumping technology,such as low production efficiency,difficult management and high safety risk.The combination of full cycle operation and low-speed swing operation is used in the non-stop intelligent inter pumping technology,real time analysis of dynamic liquid level and pump efficiency optimization.At the same time,it is based on the maximum elastic deformation of sucker rod string,real time optimization of crank swing,formed the intelligent inter pumping technology of low-speed swing operation of crank,stop pumping of downhole pump and no stop of surface pumping unit.The field application shows that the system efficiency is increased by 10.12%,the daily power consumption is reduced by 91.42 kW·h,and the average power saving rate is 41.1%,realized the coordination of supply and discharge of low liquid production well and high efficiency and safety production.

关 键 词：抽油机井 低产液 智能间抽 供排协调 

分 类 号：TE993.1[石油与天然气工程—石油机械设备]