基于文丘里的井下流量计量  

DOWN HOLE FLOW MEASUREMENT BASED ON VENTURI

作　　者：冯定[1] 徐冠军[1] 黄朝斌[2] 

机构地区：[1]长江大学机械工程学院,湖北荆州434023 [2]中国石化江汉石油管理局第四石油机械厂,湖北荆州434024

出　　处：《西南石油大学学报（自然科学版）》2010年第1期151-154,共4页Journal of Southwest Petroleum University(Science & Technology Edition)

基　　金：国家重大专项"井下流量测量及地面油砂分离装置研究"(2008ZX05024-03-003-003)

摘　　要：井下流量计量与控制技术已成为油田开发,以及智能油田技术不可缺少的重要分支技术,由其测得的井下相关数据为油田的生产和管理提供可靠的理论依据。本文基于井下油气水三相混合计量技术,阐述了井下文丘里流量计的工作原理,论述了其工作过程,尤其对硬件部分的设计作出了相应的推导,研发了一种新型的、能适应井下复杂环境的井下流量计量装置,该装置结构简单、无插件,不干扰流体流动、压损小、受流体物性变化影响小,便于实施,安全可靠;测量精度高,适合井下流量计量与控制。The metering and controlling of down hole flow have become an important and indispensable technology in oilfield development and the intelligent oilfield technology,the correlative data which are measured by them can provide a reliable theoretical basis for the production and management of the oilfield.Bases on the metering technology of three phase mixed measurement the working principles of the down hole Venturi flow measurement is introduced in this paper,the working process discussed and a new flow measurement device which can adapt to the complex down hole environment developed,especially,the calculation of the hardware part clearly derived.This device,whose structure is simple,no plug-in is needed,no interference with the fluid flow with a little pressure loss,it is not apt to be affected by the change of fluid properties,is easy to install,safe and reliable,high in precision and suitable for down hole flow measurement and control.

关 键 词：井下 流量计量 结构 文丘里 油田开发 

分 类 号：TE31[石油与天然气工程—油气田开发工程]