Vol.42No.8Aug.2023石油化工应用PETROCHEMICALINDUSTRYAPPLICATION第42卷第8期2023年8月抗高温水基隔离液体系的研制与评价王有伟,冯颖韬,张浩,温达洋,崔策,黄峰,田进（中海油田服务股份有限公司油田化学研究院，河北廊坊065201)摘要：随着高温高压井日益增多，高温、超高温井况易使隔离液稳定性变差和性能恶化。针对该难题，开发出耐高温的无机悬浮稳定剂、有机悬浮稳定剂、抗高温降失水剂以及流型调节剂，从而构建了一套抗高温水基隔离液体系。该体系具有良好的耐温性能，最高可抗230℃,密度可加重至2.1g/cm，与钻井液、水泥浆具有良好的相容性，且在高温条件下能保持优异的沉降稳定性，满足现场施工作业需求。关键词：隔离液；悬浮稳定剂；降失水剂；沉降稳定性中图分类号：TE256.6D0I:10.3969/j.issn.1673-5285.2023.08.005文献标识码：A文章编号：1673-5285(2023)08-0019-06Developmentandevaluationofhightemperatureresistantwater-basedspacerfluidsystemWANGYouwei,FENGYingtao,ZHANGHao,WENDayang,CUICe,HUANGFeng,TIANJin(OilfieldChemistryResearchInstituteofCOSL,LangfangHebei065201,China)Abstract:Withtheincreasingofhightemperatureandhighpressurewells,hightemperatureandultra-hightemperaturewellsleadtopoorstabilityandperformanceofspacerfluid.Tosolvethisproblem,hightemperatureresistantinorganicsuspensionstabilizer,organicsuspen-sionstabilizer,fluidlossagentandflowpatternregulatorweredeveloped,soastobuildasetofhightemperatureresistantwater-basedspacerfluidsystem.Thesystemhasgoodtempera-tureresistance,thehighestresistanceof230C,densitycanincreaseto2.1g/cm,hasgoodcompatibilitywithdrillingfluid,cementmud,andcanmaintainexcellentsettlementstabilityunderhightemperatureconditions,canmeettheneedsoffieldconstructionoperations.Keywords:spacerfluid;suspensionstabilizer;fluidlossagent;settlementstability随着油气资源勘探向深部地层挺进，高温高压井钻遇情况日益增多，这对钻井液、冲洗液、隔离液、水泥浆等入井流体提出了严峻的技术挑战-3]。高温高压井况一方面造成钻井液在井壁岩石上形成厚虚泥饼，影*收稿日期：2023-04-07基金项目：中海油田服务股份有限公司科研项目“深水盐下抗盐防漏固井及应急弃井技术研究”，项目编号：YHB22YF014。作者简介：王有伟（1991一），男，工...
