16120091:2008-04-18;:2008-10-17。:,,1965,,1985,,,220,4。:(0393)4899235,E-mail:zpebwzh@126.com。,,。,,,,。,,,,,,,。,,。11.1,。,,。,。,,。,。,。,,,,。1.2,,。,。,,、、、、、,,、。,。;;;;;;;:TE254:A(,457001):1005-8907(2009)01-089-03ViewsontheproblemsofdrillingfluidpropertiesandwellborestabilityWangZhonghua(ResearchInstituteofDrillingEngineeringandTechnology,ZhongyuanPetroleumExplorationBureau,SINOPEC,Puyang457001,China)Theproblemsofconcentrationofbentonite,density,rejectioncapability,filtratequantity,drillingfluidsolidscontrol,qualityadditivesofdrillingfluidandwellborestability,etc.werepreliminarystudied.Itisbelievedthataccordingtopracticeinstancetorationallydominateandadjusttheperformanceofdrillingfluidconsideredaheadoftimewillhelptoimprovethestabilityofdrillingfluid,theanti-temperatureandanti-pollutioncapacity.Thepaperputforwardthattrendconceptmustbeusedtotreatwellborestabilityandlostcirculationinordertoimprovethedirectionandeffectivenessofthemeasures.Keywords:drillingfluid,concentrationofbentonite,density,rejectioncapability,filtrationloss,solidscontrol,wellborestability,lostcirculation.FAULT-BLOCKOIL&GASFIELD8920091161,,。,,。1.3,,。,。,,,。,,,。,。,,,,(),,。(K+、Na+、Ca2+),,,KCl,7%,Ca2+,,Ca2+,,。,,,,,。,[1-2],。,Al3+。。1.4,,,,。,,。:,5mL,5mL4mL,25mL,25mL5mL。,1mL,。,,,,。,,,。,,。。1.5,、,,“+”。“”,“”。“”,,“”,,。,,,,。2,,,、,。,。Al3+,Al3+,,。[3]。1.6,,。,,,,、,。、,,[4]。,,,。,,。,。9016120091:1.7,,。:,、[5]。,;,,。,,,;,、、、、,,,,,,;,,,、,,,。,,,。,,,。4:1),、、、、、、、();2),、,;3)、,;4)。,,,。,。1.8。,,,。、,。。,,,。,,FCLS、SMTSMC,。,,。,(),,,,,。,,。2、,,。,,。,,,,,,,、,,,,。[1]PatelArvindD,ThaemlitzCarlJ,McLaurineHenryC,etal.Drillingfluidadditiveandmethodforinhibitinghydration:US,5908814[P].1999.[2]PatelArvindD,StamatakisEmanuel,DavisEric,etal.Highperformancewaterbaseddrillingmudandmethodofuse:US,6831043[P].2004.[3]RamirezMA,ClapperDK,SanchezG,etal.Aluminum-basedHPWBMsuccessfullyreplacesoil-Basedmudtodrillexploratorywellsinanenvironmentallysensitivearea[A].SPE94437,2005.[4],,,.ZSC-201[J].,2003,4(1):1-4.[5].[J].,1994,17(2):87-88.()91