新型定量脱气器研制及性能分析  

Development and Performance Analysis of a New Quantitative Degasser

作　　者：张毅[1] 林帅 姚洋 魏腑 ZHANG Yi;LIN Shuai;YAO Yang;WEI Fu(School of Mechanical Engineering,Southwest Petroleum University,Chengdu 610500,China;Gas Technology Research Institute,PCOC,Xi'an 710016,China)

机构地区：[1]西南石油大学机电工程学院,成都610500 [2]中国石油长庆油田油气工艺研究院,西安710016

出　　处：《机械设计与研究》2024年第4期245-248,共4页Machine Design And Research

基　　金：四川省自然科学基金项目(2022NSFSC0276)。

摘　　要：提高脱气器脱气效率对气测录井技术分析的准确性和时效性具有重要的意义。基于旋转离心分离的原理提出新型定量式脱气器,使用CFD流体分析软件对设备内流场进行数值模拟,定量分析锥筒转速和真空度等工况参数对脱气效率的影响,分析结果表明:脱气效率的主要影响因素是气液两相间离心力差导致的压力差,提高转速和真空度有利于提高脱气效率,真空度对脱气效率的影响要大于转速。另外,进行了脱气器脱气效率对比现场实验,实验结果表明:在钻井实际工况下,新型定量式脱气器脱气效率约为电动脱气器的4~9倍。Improving the degassing efficiency of degassers is important to the accuracy and timeliness of gas logging technical analysis.Based on the principle of rotary centrifugal separation,a new type of quantitative degasser is proposed.The flow field in the equipment is numerically simulated by CFD fluid analysis software,and the influence of the working parameters,such as the cone speed and vacuum degree,on the degassing efficiency is quantitatively analyzed.The simulation results show that the main influencing factor of degassing efficiency is the pressure difference caused by the centrifugal force difference between the gas and liquid phases.With the increase of the speed and vacuum degree,the degassing efficiency is constantly improved.The influence of vacuum degree on the degassing efficiency is more significant than that of speed.In addition,the field comparison experiment of the degassing efficiency is conducted.The experimental results show that the degassing efficiency of the new quantitative degasser is approximately 4~9 times that of the electric degasser under the actual drilling conditions.

关 键 词：脱气器 定量分析 脱气效率 旋转离心分离 

分 类 号：TE142[石油与天然气工程—油气勘探]