气井井筒堵塞原因分析及解堵工艺研究进展  

Analysis of Reasons for Wellbore Blockage in Gas Wells and Research Progress in Blockage Removal Technology

作　　者：李善建[1,2,3] 何浩轩 王泽坤 薛波 高同福 王帅 LI Shanjian;HE Haoxuan;WANG Zekun;XUE Bo;GAO Tongfu;WANG Shuai(School of Chemistry and Chemical Engineering,Xi’an Shiyou University,Xi’an,Shaanxi 710065,China;Key Laboratory of Shaanxi Province for Environmental Pollution Control and Reservoir Protection Technology of Oilfields,Xi’an,Shaanxi 710065,China;Shaanxi University Engineering Research Center for Oil and Gas Field Chemistry,Xi’an,Shaanxi 710065,China;No.1 Gas Production Plant of Yanchang Gas field,Shaanxi Yanchang Oilfield Co.,Ltd.,Yan’an,Shaanxi 716000,China)

机构地区：[1]西安石油大学化学化工学院,陕西西安710065 [2]陕西省油气田环境污染控制与储层保护重点实验室,陕西西安710065 [3]油气田化学陕西省高校工程研究中心,陕西西安710065 [4]陕西延长石油有限责任公司延长气田采气一厂,陕西延安716000

出　　处：《西安石油大学学报（自然科学版）》2024年第1期56-65,共10页Journal of Xi’an Shiyou University（Natural Science Edition）

基　　金：陕西省重点研发计划(2022GY-144);西安市科技计划项目科技创新人才服务企业项目(2020KJRC0096);陕西省二氧化碳封存与提高采收率重点实验室开放基金(YJSYZX22SKF0002)。

摘　　要：随着天然气气田的开发,井筒堵塞问题逐渐凸显,井筒堵塞给生产带来诸多负面影响,如作业时间延长、产能下降、采收率降低以及储层应力状态改变等问题。因此明确气井堵塞的原因,选用正确的解堵工艺十分关键。通过对不同类型堵塞物的成因、机理及其危害性展开分析,结合解堵工艺的研究进展,对不同类型的堵塞提出针对性的解堵技术,探讨了工艺的原理、工艺的优缺点及其适用性,为解堵技术的深入研究和在气田的现场应用提供参考。With the development of natural gas fields,the problem of wellbore blockage has gradually become prominent,bringing many negative impacts to production,such as prolonged operation time,reduced production capacity,reduced recovery rate,and changes in reservoir stress state.Therefore,it is crucial to identify the causes of gas well blockage and choose the correct unblocking process.By analyzing the causes,mechanisms,and harmfulness of different types of blockages,combined with the research progress of unblocking techniques,targeted unblocking techniques are proposed for different types of gas well blockages.The principles,advantages,disadvantages,and applicability of the unblocking techniques are discussed,providing reference for in-depth research and on-site application of the unblocking techniques in gas fields.

关 键 词：气井 井筒堵塞 井筒解堵 解堵工艺 

分 类 号：TE358[石油与天然气工程—油气田开发工程]