异常高温低渗油气藏举升工艺技术研究——以渤中25-1油田沙河街油组为例  

Research on Lifting Process Technology in Abnormally High Temperature and Low Permeability Oil and Gas Reservoir--Taking Shahejie Group of BZ25-1 Oilfield as an Example

作　　者：刘艳涛 邢川衡 王凤刚 王彦鹏 Liu Yantao;Xing Chuanheng;Wang Fenggang;Wang Yanpeng(Tianjin Branch of CNOOC Ltd,Tianjin 300452;不详)

机构地区：[1]中海石油(中国)有限公司QHD32-6/渤中作业公司,天津300452 [2]中海油能源发展股份有限公司工程技术分公司,天津300459

出　　处：《石化技术》2021年第7期108-109,共2页Petrochemical Industry Technology

摘　　要：根据BZ25-1油田沙河街异常高温高压低渗的特点,立足于生产实际,分析异常高温高压低渗油藏转抽后举升工艺在生产中存在的泵故障率高、检泵周期短等主要问题,通过优化电潜泵举升工艺、设备耐温级别等参数,提高了异常高温高压低渗油藏电潜泵适应性、稳定性,为沙河街油组规模转抽积累了经验。Shahejie group in BZ25-1 oilfield have the characteristics of abnormal high temperature,high pressure and low permeability.based on actual production situation,the main problems such as high pump failure rate and short pump inspection period in the lifting process after pumping were analyzed in the production of abnormal high temperature,high pressure and low permeability oil reservoirs.the adaptability and stability of the electric submersible pump in abnormal high temperature,high pressure and low permeability reservoirs have been improved,by optimizing parameters such as the lifting process of the electric submersible pump and the temperature resistance level of the equipment,and experience in large-scale pumping of BZ25-1 oilfield has been accumulated.

关 键 词：异常高温高压 低渗油藏 举升工艺 优化设计 耐温级别 

分 类 号：TE35[石油与天然气工程—油气田开发工程]