Hall曲线在气田水回注环境风险预警中的应用何坤忆1,2翁帮华1,2焦艳军1,2吴潇1林青3胡学华1,21.中国石油西南油气田公司安全环保与技术监督研究院2.四川天宇石油环保安全技术咨询服务有限公司3.中国石油西南油气田公司川中油气矿摘要:目的为有效控制气田水回注泄漏风险,将地下水污染环境风险防控关口前置。方法结合回注井日常运行参数,建立了回注井Hall曲线关系,利用回注井累积注入量与Hall积分(注入压差×累计时间)的线性关系,监测回注异常工况,并应用微地震监测技术进行结果验证。结果应用Hall曲线能更为简便直观地对回注井进行跟踪监测,消除单次注水参数变化等带来的影响,在气田水回注井地下水常规监测的基础上实现回注风险的提前预警,提高气田水回注井泄漏监测的准确性和科学性,为下一步回注井地下水环境风险预警奠定基础。结论气田水回注应进一步建立完善以气田水回注井完整性管理为核心的地下水环境风险防控体系。关键词:Hall曲线;气田水回注;环境风险;地下水;微地震监测;防控措施DOI:10.3969/j.issn.1007-3426.2023.04.021引用格式:何坤忆,翁帮华,焦艳军,等.Hall曲线在气田水回注环境风险预警中的应用[J].石油与天然气化工,2023,52(4):122-125.HEKY,WENGBH,JIAOYJ,etal.ApplicationofHallplotinenvironmentalriskpreventionandcontrolofgasfieldwaterreinjection[J].ChemicalEngineeringofOil&Gas,2023,52(4):122-125.ApplicationofHallplotinenvironmentalriskpreventionandcontrolofgasfieldwaterreinjectionHeKunyi1,2,WengBanghua1,2,JiaoYanjun1,2,WuXiao1,LinQing3,HuXuehua1,21.ResearchInstituteofSafety,EnvironmentProtectionandTechnicalSupervision,PetroChinaSouthwestOil&GasfieldCompany,Chengdu,Sichuan,China;2.SichuanTianyuPetroleumEnvironmentalProtection&SafetyTechnologyConsultingServicesCo.,Ltd,Chengdu,Sichuan,China;3.CentralSichuanOilandGasDistrict,PetroChinaSouthwestOil&GasfieldCompany,Suining,Sichuan,ChinaAbstract:ObjectiveInordertoeffectivelycontroltheleakageriskofwaterreinjectioninthegasfield,thepreventionandcontrolgateofgroundwaterpollutionriskisputinfront.MethodsThisstudyestablishedtheHallplotofthereinjectionwellcombinedwiththedailyoperationparameters.ThelinearrelationshipbetweenthecumulativeinjectionvolumeofthereinjectionwellandHallintegral(injectionpressuredi...
