THPS协同破乳剂处理渤海某油田老化油禹盟

THPS300452THPS。20%~40%FeS。THPS30%1%。THPSTE39A1673-5285201807-0066-05DOI:10.3969/j.issn.1673-5285.2018.07.016AstudyoftreatingagingoilbyuseTHPSanddemulsifierYUMengDAIJunfengYUANHongqiangHUZhaochaoZHANGYingZHAOShanCNOOCEnerTech-Drilling&ProductionCo.Tianjin300452ChinaAbstract:Intheoilfieldexploitationprocess,thequantityofagingoilincreasesgreatly.Tosolvethisproblem,thecausesofagingoilareinvestigatedandanovelchemicalisdevel－oped.TheresultsshowthattheaverageBS&WofagingoilinBohaioilfieldis20%~40%,andtheagingoilhasasteadyemulsificationstate,thecolloidalparticlesFeSarethemainreasonfortheagingoilgeneration.ThesulfidescavengerTHPSismoreeffectiveforagingoildehydrationTHPSandYHFPW-195candecreasewatercontentofagingoiltobelow1%whichmeetsthecrudeoilfactorystandards.KeywordsoffshoreoilfieldagingcrudeoilFeSTHPS*[e-mail]。、、、。[12]。、。PETROCHEMICALINDUSTRYAPPLICATION37720187Vol.37No.7July.20181FPSO11×104m3520%~40%5%~10%1。11。1/Fig.1Centrifugephotographofagingoilandcrudeoil1Tab.1Thedifferentofagingoilandcrudeoil11、、10%。X-650Fe、S、Si、OCa、C、Al、MgXFeS15-0037SiO275-1323、83-2470SiO2。GB/T11060.1-2010《1》2。25H2SH2SFeFeSFe2＋＋S2－→FeSFeSO42-FeS4Fe＋SO42-＋4H2O—————→3FeOH2＋FeS＋2OH-FeSFeS[3-5]FeSFeS。。2/%530/%010/%00.520℃/kg·m-30.93920.9448/%0.310.32/%3.923.38/%3.655.48/%16.4916.18/mgKOH·g-13.643.71/%0.120.13SampleV0/mLV1/mLV/LT/℃Pv/kPaP/kPaH2S/mg·L-1137.2335.3119.8242.9839101.312.63237.234.7221182.064101.314.94337.2128.4620.05192.1973101.355.45437.2227.5821.15171.937101.357.37537.1733.5621.12242.9839101.322.272Tab.2ThecontentofH2SintankTHPS767-、、、[1-5]、THPSFeS。2.1FeS100mL50mLTHPSFeS1.5mm40℃48h3。3cFeSTHPS。2.2SY/T5281-2000《》FPSO[6-10]100mL80mL10min5060℃Metrohm795KFT4。4YHFPW-1952h42%4%。2.3THPSYHFPW-195500mL400mLTHPS105060℃5。5THPSTHPSFeSYHFPW-195+THPS2000mg/L+2000mg/L25%1%YHFPW-1952.5%。THPSFeS3THPSTab.3Theremovalrateofferroussulfide4Tab.4TheresultsofdifferentdemulsifierFeS/gFeS:THPS/gFeS/%6h12h24h48h121:250.3980.50242:250.8578.75363:251.4575.83484:252.0774.125105:252.5474.60/mg·L-1hmL/%12461YHPW-661200072124286.412YHPW-664200002628286.133YHPW-67920004.514152016.884YHFPW-1952000203030303.815YHPW-591200052426304.056YHPW-55820002.22020286.357YHPW-6682000010131720.228YHPW-658200002026303.972018376828hFig.2Thefigofagingoil5Tab.5Theresultsofcompoundingchemical6Tab.6Theresultsofcompoundingchemicalinoilfield8h2。3FPSO,4C60℃THPS5SYHFPW-19512h。2016838234m31%6。41。2、THPS70%。3YHFPW-195+THPS2000mg/L+2000mg/L1%。1.J.2012413242-246.2.J.201637577-81./mg·L-1/h/mL/%124610+00001025.422THPS+YHFPW-1951000+200004070901.473THPS+YHFPW-1952000+2000040601100.764THPS+YHFPW-1953000+2000060801200.645THPS+YHFPW-1950+200001060803.93/m3130%8%19241%0.1%8%3%0.1%240%10%36440.4%0.2%0.1%5.6%5%0.1%340%10%26660.5%0.05%4%2%2%THPS7694SEM4EDS、。2NACE。3CO2。1.J.2017367747-753.2.J.2016357140-142.3.J.201233175-78.ba10μmEHT=20.00kVSignalA=SE1Date:29Mar2018WD=10.0mmMag=500XTime:12:44:4410μmEHT=20.00kVSignalA=SE1Date:29Mar2018WD=9.0mmMag=500XTime:10:38:01COSiMnFe/%7.333.470.240.7488.23100/%25.128.920.350.5565.051003.J.2006141110-13.4.J.200614219-21.5.FeSJ.2001184317-319.6.J.20092396997-7001.7.J.2010273337-340.8.J.200928527-28.9.FeS-J.200724223-24.10.J.2012124596-601.60!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!20183770