聚合物分層注入壓力調(diào)節(jié)機(jī)理及調(diào)節(jié)裝置研究

1、大慶石油學(xué)院碩士學(xué)位論文聚合物分層注入壓力調(diào)節(jié)機(jī)理及調(diào)節(jié)裝置研究姓名：劉崇江申請學(xué)位級別：碩士專業(yè)：油氣田開發(fā)工程指導(dǎo)教師：趙明國裴曉含20070515ResearchonSeparateLayerPolymerInjection’SPressureAdjustingMechanism&EquipmentABSTRACTAfterthemainpayswerefloodedbypolymerintheDaqingOilfieldthen

2、onpayzonesbecamethemajordevelopingtargetsThefiledtestsshowedthattheinjectionprofileWaSuneven；polymersolutionadvancedalongthehighpermeablelayersandlowpermeabletayerscouldn’tfullydevelopedduringthe∞uⅨofpolymerinjectionduet

3、othereservoir’snonheterogeneityandwellpatternTestingandloggingdatai∞lIldingisotopeneutronlongevityandsealedcoringwellshowedthatthickhjghpermeablelayerswe鹋fullydeveloped；whilethinlowpermeablelaminatedlayerswe∞poorlydevelo

4、pedInordertoeasethecontradictionamonglevelsandlayersandimprovethedevelopingeffecttothelowpermeablelayers，separatelayerpolymermjectionspressmeadjustingequipmentsareurgentlyresearchedtomeetthedemandsofpolymerinjeetionaimin

5、gtononpayzonesandtoimprovetheoveralldevelopingeffectstothewholeDaq自agOilfieldCuhoidhomogenousc帆wasmadeaccordingtotheDaqingOilfieldreservoirs’physicalpropertiesinthispaper16millionmolecularweightpolymerswe∞shearedto6milli

6、onand8millionpolymersInadditiontheywereindividuallyundergonebypolymerfloodingtestsThetestingresultsareTheshearingpolymersolution’Sviscoelasticityisworsecomparedwi也nonshearingoneandnonshearingpolymer’Srecoveryeffectishigh

7、erthantheshearingoneAsaresultseparatelayerpolymerinjection’SpressureadjustingequipmentsneedtobedesignedlowshearingdegradationtoguaranteethepolymerfloodingeffectInthispaperrelatedformulaandclln懵betweenvisibleviscidityloss

8、AqandfluxQbetweenpressuredropAPandfluxQweresetuptothepolymersolutionintheequipments’flowandequipments’sizeswc把optimizedbydesigningseparatelayerpolymermjeetionsp|℃站啪adjusangequipmentsandtheirbasichydraulicpropertiesPolyme

9、rpressureadjustingequipmentswelerunintothewellboreandjustcha／lgingtheblankingplugcouldregnaa把chokepressureandcontrolseparateinjectionrateSeparatelayerpolymerinjectionhighlyimprovestheoilfieldsdevelopingeffectandhasbroada