超低界面張力表面活性劑研究及在大慶油田的應(yīng)用

1、大慶石油學(xué)院碩士研究生學(xué)位論文StudyontheSurfactantofUltralowInterfacialTensionandItsApplicationinDaqingOilfieldAbstractSynthesistechnicsconditionsofsurfactantwiththeultralowinteffacialtensionweredeterminedthroughsynthesizingsurfactanto

2、fsoyabeanoilacidalkanoamideSBATbecharacteristicfunctionalgroupsofrawmaterialsandproductswereanalyzedbyinfraredabsorptionspectroscopyTheinteffacialtensioncharacteristicsofthesurfactantofalkanoamidewithdifferentcarbonchain

3、swerestudiedTheorderoftheinteffacialtensioncanteach10。mN／mwhenthecowentrationofSBAisbetween016％and18％，thelowestvalueofthemCallreach61xlO4mN／rnIfSBAismixedwithmyristateorpalmiticacidalkanoamidetheconcentrafionofsurfactant

4、toreachtheultralowinteffadaltensionwillreduceandthevelocityoftheinteffacialtensionofthecombinedsystemwillincreaseImerfacialtension，absorptioneffectanddisplacementcharacteristicsof血ecombinedtwo《omponentmixtureofpolymerand

5、SBAwerediscussedTheinfluenceofpolymerconcentration，salinityandtemperatureontheinterfacialtensionofthecombinedtwocomponentmixturewerestudied。theresultsindicatedthatpolymerconcentrationandsalirIityhadmoreinfluenceontheinte

6、rracialtension，andtheorderoftheinteffaeialtensionofSBAsysterncanreach10。mN／mwhenthesaliniIvisbetween1400and11000meCLThefindingsindicatedadsorbanceofthetwocomponentmixtureislessthanlmgpergramsandbymensuringtheabsorptionis

7、othermoftheSBAtwo—componentmixtureontoDaqingoilsand1衛(wèi)edisplacementcharacteristicsofthetwocomponentmixturearerelatedtothetypeofpolymerForthetwocomponentmixtureofgenerallyusedpolymerandthesuffactantthechemicalflooding、reco

8、veryefficiencycallmachmorethantwentypercentwhentheconcentrationofpolymeris1350mg／LandthatofSBAis08％：and，forthetwocomponentmixtureoffunctionalpolymerandthesurfactant，themaximalchemicalfloodingreeoveryefficiencycanreach30％

9、overwaterflooding11leeffectofindoorpressuredmppingofSBAsystemwasdiscussed，andtheinjectionpressurecandrop50percentbyusingsuffactantSBA1hefindingsofthefieldtestindicatedthattheiniectionpressurecnbedropeddown15MPabyusingSBA

10、surfactant，lessthanthefracturepressuresothatthehigherconcentrationpolymercanbeinjectedunderlowerpressure】ⅡteffaeialtensionbetweenthedifferentconcentrationSBAsurfactantsystemandthecrudeoiloftheprodnctionwellforhuffandpuff

11、wasdiscussed，theorderofthemcanreach10“’mN／mThroughemulsificationtest，thesurfactantconcentrationusedinfieldhuffandpuffwasdeterminedThefindingsofindooroildisplacementtestbythefluidofthehuffandpuffindicatedthattherecoveryef

12、ficiencycanincrease158perecutafterwaterfloodingwhentheconcentrationofsurfactantis2％Fortllefieldhuffandpufftest，theaverageoilproductionincreasedby118tonoilperwellinthreeoilwellsoftheOilProductionP1antNo4，whiletheaverageoi