第42卷第10期2023年10月石油化工应用PETROCHEMICALINDUSTRYAPPLICATIONVol.42No.10Oct.2023靖边气田低压气井深度解堵措施研究及应用杨青松",杨飞²,任磊1,张旬",于晓明1(1.中国石油长庆油田分公司第一采气厂,陕西靖边718500;2.西安长庆同欣石油科技有限公司,陕西西安710000)【摘要]针对靖边气田部分气井井筒较脏、油套压差逐渐增大、气井产能下降快、存在井筒及储层结垢趋势的问题,以分析结垢物的化学成分及结垢机理为依托,提出了低压气井油管暂堵分段清洗+近井地带注气气驱深度解堵技术思路,通过完善堵塞判识流程,配套形成气井解堵药剂体系,确立改造范围、用量计算、工序及加注制度等关键参数,制定标准作业程序及技术要求,保障工艺推广应用,达到增产增效、预防气井结垢的目的。通过现场试验应用,表明该工艺具有很好的效果,能够起到清洗并筒垢物、解除近井地带堵塞、恢复气并产能的目的,为气并持续稳产提供了重要保障。【关键词]低压气井;井筒及储层;复合解堵;试验应用;降本增效[中图分类号]TE377D01:10.3969/j.issn.1673-5285.2023.10.011[文献标识码]A[文章编号]1673-5285(2023)10-0052-07ResearchandapplicationofdeeppluggingremovalmeasuresforlowpressuregaswellsinJingbiangasfieldYANGQingsong',YANGFei,RENLeil,ZHANGXun',YUXiaoming'(1.GasProductionPlant1ofPetroChinaChangqingOilfieldCompany,JingbianShaanxi718500,China;2.Xi'anChangqingTongxinPetroleumTechnologyCo.,Ltd.,Xi'anShaanxi710000,China)[AbstractJCenteringabouttheproblemofwellborescalinginJingbiangasfield,whichresultingraduallyincreasedpressuredifferential,quicklydecreasedproductivity,tendencyofwell-boreandreservoirblockageofgaswell.Basedontheanalysisofthechemicalcompositionandpluggingmechanismofpluggingmateria,thetechnologyoflowpressuregaswellpipetemporarilyblockedsegmentcleaning+injectiongasdrivedepthpluggingofnear-well-boreareaisdevelopedforthefirsttime.Throughimprovetheblockageidentificationprocess,formedanti-blockageagentsystem,optimizedthescopeofimprovementandcomputationofanti-blockageagent,optimizedtheprocessandfillingprocedure,areasonableoperationpro-gramandtechnicalrequirementswasdevelopedtoensurethepromotionandapplicationoftechnology,andtoachievethepurposeofincreas...