超高温超高密度钻井液室内研究

201325(457001)[]MP488LP527HrI'AsPKcl24025gcm324016h(180)25mL994[]JMP488LP527HTAsP24025gcm3KCl1()MP488LP5277JHTAsPj)(JCGw522123gcm3J22016h24016h60l220240pH23gcm3220240184mgL276mgL(1)(2)(3)123g3AyPyyPAPIHn18035mPa2012ll1520086AsiEE4ADVANCESINnNEPETROCHEMICAE22331KClKClMP48827HTAsP25gcm31+(35)CGW5+(59)HTASP+(102O)MP488+(1030)LP527+NaOH+05)(J+KCl24016h60(180)2KClKclKCl72KClG32MP488LP527MP488u27114mPas45mPasMP488LP527271+(35)CGW5+(59)HTASP+(1020)MP488+NaOH+05)(J+7KCl+LP52724016h60(180)1LP527LP527{LP527lLP52733HTASPMP488LP527HTASPHTASP1+(35)CGw5+(1030)LP527+(1020)MP488+O5XJ+7KCl+NaOH+HTASP24016h60(180)2HTAsP54mL22mLHTAsP{HTASP2lIrASP2013273424025gcm3MP488LP527HTASPCGW524025gcm31+(35)CGW5+(59)HTASP+(1020)MP488+(103O)u27+7KCl+NaOH+24016h6033324025gcm3^a5pprmPasYPPaGEUPaFLmLHTHprnL441NaClNaCl24016h604NaClKCl4NaClNaclAmPasPVrmPa8YPPaGELPaFLmLHTHPmL42421KCl25gcm3KCl122700m170335mm038mm24016h5867Kcl9949638Kcl5KCI42225gcm3KCl55(10)24016h6KCl556KCl43KCl25gcm3Kcl24016h5min1000mL72h002gcm3447KCl25gcm31+(35)CGW5+(59)H11ASP+(1020)MP488+(1030)LP527+Mmj4s!tH0OOOmOOOL50OO01)85O5ml88ADVANCESINnNEPETROCHEMICALS1417KCl+Na0H+24016h60723gcm326gcm3485mPas1060mPas250mL100sKCl2326gcm37KCl}Fs47088O96O990^mPas40092O10051060PmPas39077092O910)Pa1O15017515OGELPa1O4035125459O75220FLmL44567260HmL15O14O22O24O5(1)MP488LPl527HTAsP24025gcm3KCl1+(35)CGw5+(59)HTASP+(1020)MP488+(1030)LP527+7KCl+NaOH+(2)24016h(180)25mL102326gcm3[J]200533(5)15[J]200729(6)8789(240)[J]200623(1)1518l[J]200735(6)4043[M]2006(I)[J]200937(3)l7()[J]200937(4)l()[J]200937(5)59[J]200926(2)4345LaboratoryResearchonDrillingFlllidthIthighTemperatIlreresistaeandUltIallighDeiHuxiaoyanwangxuzhouLequnzhangBinZhaJlgUunwaIlgzhonghua(Drc^ofogyReseorchuongyDEZomionurePu457001)[AbstThetechnicaldicultieswhenusingthetitledriuingnuidsatultradeepwellswithhightemperatureaJldhigllpressurewereanalyzedUsinglaboratorysynthesizedfiltereducells(MP488LP527arIdHTASP)whightemperatureresistarIceaIldlowviscosityectandsimultaneouslyaddingKCltlledrillingnuidwithtemperatureresistanceof240anddensityof25gcm3wasfoulated711ledrillingnuidstillhadgoodrheologicalpropertiesafteragingat240for16hoursThedrillingnuidhadHTHPfiltmtionlossoflesstllan25mLat180Thedrillingnuidhadexcellentperfomancessuchsettlingstabiliza-tionsaltresistanceantipollutionofdrilledsolidsandbentoniteclaywiththeprimaryrecoVeryrateofshaleupto994TheproblemssuchasdicultiestocontmlrheologicalpmpertiesandfilnationlossandtllickeningandgelationofdrillingnuidcausedbydispersionofbentoniteclayathightemperatureweresolVed[Keywords]drillingnuidfiltratereducerrheolocalpropertiesfiltrationloss1j1j1jHp