·34·天津科技第50卷第2期第50卷第2期2023年2月Vol.50No.2Feb.2023天津科技TIANJINSCIENCE&TECHNOLOGY应用技术海上平台水源井伴生气的脱气工艺优选与实施周久立(中海石油(中国)有限公司天津分公司天津300450)摘要:海上某平台水源井在开采的过程中携带大量伴生气,平台水源井水处理系统未设置脱气装置,当水源井高负荷运行时,大量伴生气涌入下游生产设备。现场设置的斜板撇油器无法满足气体处理排放要求,造成现场部分地漏和开排呼吸口天然气外溢,给安全生产带来严重隐患,同时也制约了水源井的供水效率,因此,亟需对平台水源井水处理流程进行研究,以探索海上平台水源井高含气解决办法。通过分析该水源井脱气特点,结合平台现有条件,设计了一套高效、可靠的水源井水脱气装置,实现了水源井供水水源的净化和伴生天然气的回收,为海上平台安全稳定运行提供了技术支持,同时,对水源井伴生气的有效回收,也为平台创造了附加价值。关键词:水源井伴生气脱气装置水源净化中图分类号:TE95文献标志码:A文章编号:1006-8945(2023)02-0034-04OptimizationandImplementationofDegassingProcessforAssociatedGasinWaterSourceWellsonOffshorePlatformsZHOUJiuli(TianjinBranch,CNOOCCo.,Ltd.,Tianjin300450,China)Abstract:Thewatersourcewellofanoffshoreplatformcarriesalargeamountofassociatedgasduringtheproductionprocess.Sincethewatertreatmentsystemoftheplatformwatersourcewellisnotequippedwithadegassingdevice,whenthewatersourcewelloperatesatahighfrequency,alargeamountofassociatedgasflowsintothedownstreamproductionequipment.Theon-siteinclinedplateoilskimmercannotmeetthegastreatmentanddischargerequirements,resultinginpartialfloorleakageandnaturalgasoverflowfromtheopen-drainbreathingport,whichbringsserioushiddendangerstosafetyproductionandalsorestrictsthewatersupplyefficiencyofthewatersourcewell.Itisurgenttostudythewatertreatmentprocesstoexploresolutionstohighgascontentinwatersourcewellsonoffshoreplatforms.Byanalyzingthedegassingcharacteristicsofthewatersourcewell,combinedwiththeexistingconditionsoftheplatform,asetofefficientandreliablewatersourcewellwaterdegassingdeviceisdesigned,whichrealizesthepurificationofthewatersourceandtherecovery...