放喷测试中天然气水合物形成及预防措施  

NATURAL GAS HYDRATION DURING FLOW TESTING AND PREVENTIVE MEASURES

作　　者：廖刚[1] 

机构地区：[1]川庆钻探工程有限公司钻采工程技术研究院油气井测试公司

出　　处：《钻采工艺》2018年第3期61-63,共3页Drilling & Production Technology

基　　金："十三五"国家科技重大专项"页岩气排采工艺技术及应用"(编号:2017ZX05037004);"十三五"国家科技重大专项"复杂山地工厂化钻完井作业模式与应用"(编号:2016ZX05063005);中国石油天然气集团公司2016~2018科技项目"高温高压高酸性介质油气井完井技术集成与应用"(编号:2016D-4202)

摘　　要：天然气水合物一直是放喷测试过程中十分棘手的难题,它会对放喷测试产生诸多不利的影响。近年来,随着油气井测试技术的不断发展,天然气水合物的形成也成为了一个重要的研究课题。文章分析了放喷测试中天然气水合物的形成机理,结合现场实际介绍了天然气水合物的预防措施,为天然气水合物的预防及处理提供了可靠的理论依据及技术支撑。Gas hydrate is always a problem causing many adverse effects during well testing and flowback. In recent years,formation of gas hydrates becomes an important research subject with the development of testing technology. In this paper the formation mechanism of gas hydrates and necessary conditions to form hydrates are introduced. Fluid heating,adding natural gas hydrate inhibitor and depressurization are main prevention measures adopted for gas hydration according to the different field conditions. It provides a reliable basis and technical support for the prevention and treatment of natural gas hydration.

关 键 词：天然气水合物 机理 预防措施 

分 类 号：TE31[石油与天然气工程—油气田开发工程]