超高温钻井液技术研究_Study_on_Ultra_HT_Drilling_Fluid_Technology_21st_of_Sep_Rev_0211

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1、孙金声SunJinsheng中国石油集团钻井工程技术研究院CNPCDrillingResearchInstitution超高温钻井液技术研究与应用ResearchandApplicationofDrillingFluidTechnologyunderUltra-HighTemperature内容提纲Content市场需求MarketingDemand国内外技术现状CurrentSituation研究思路FutureResearch技术研究TechnologyStudy现场应用On-siteapplication结论Conclusion我国未探明石油储量约85×108t，其中石油73%、天然

2、气52%埋藏在深层，迫切需要进行深部油气资源勘探开发UnexploredreservesofouroilinChinaisabout85×108t,Oilaccountsfor73percent,naturalgas52percentburiedinthedeeplayertobeexploredurgently.大庆、南海、吉林、新疆、塔里木、大港等油田都在实施超深井钻井工程，许多井的井底温度均在200～250℃之间Deepandultra-deepwelldrillingprojectsareundertheinDaqing,Nanhai,Jilinprovince,XinjiangA

3、utonomousregion,TarimandDagangoilfields.Thetemperaturesofmostofwellsarebetween200to250℃.一、市场需求MarketingDemand我国目前用于深井、超深井钻井液抗温能力一般在180℃以下CurrentlythetemperatureofdeepandultradeepwellsinChinaisbelow180℃.抗温在200～240℃水基钻井液，国内目前还是空白Studyonthewaterbaseddrillingfluidisstillblankundertheresistingtemperatu

4、resbetween200℃and240℃抗高温钻井液技术已成为制约深部地层石油天然气资源勘探、开发的技术瓶颈Drillingfluidtechnologyofresistinghightemperaturehasbecomeatechnologybottleneckforthedeeplayeroilandnaturalgasresourceexplorationanddevelopment.研制出一套适合我国国情、抗温达(220—240℃)钻井液技术，对满足我国深井超深井勘探开发的需要，具有重要意义。ItisgreatlysignificantforChinatodevelopthe

5、drillingfluidtechnologyresistingthetemperaturebetween220℃and240℃tomeetthedemandsofdeepandultradeepwellsexplorationanddevelopment.一、市场需求MarketingDemand二、国内外技术现状—国外Overseasanddomestictechnologycurrentsituation-Overseas降粘剂CPD、SSMAThinnersuchasCPDandSSMA降滤失剂Polydrill、COP—1、COP—2、VSVAFiltrationReducers

6、uchasPolydrill,COP—1,COP—2andVSVA以上钻井液处理剂抗温能力都在200℃以上，抗盐抗钙性能好，现场用，最高井底温度达到260℃TheThinnerwhichmentionedabovewithcompatibilityofcalciumandheat(above200℃)andsalinitytolerancecanbeusedonthespot,andthehighesttemperatureinthewellcanreachto260℃.处理剂DrillingFluidAdditivesMagcobor公司的Durathermsystem、Baroid公

7、司的Polynox体系、milpark公司的PYRO-DRILL体系、I.D.F的PolyTempy体系DurathermSystemofMagcobar,PolynoxSystemofBaroid,Pyro-DrillsystemofMilpark,andPolyTempysystemofI.D.F.特点：①由无机盐Ca(OH)2或KCL和有机聚合物包被剂及高温稳定剂组成；②热稳定性能好，抗温达200℃以上,抗盐抗钙能