冀东高浅北区聚合物驱注入参数优选.pdf

《冀东高浅北区聚合物驱注入参数优选.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、2013月大庆石油地质与开发Apr．，2013第32卷第2期PetroleumGeologyandOilfieldDevelopmentinDaqingVol_32No．2DoI：10．3969／J．ISSN．1000—3754．2013．02．016冀东高浅北区聚合物驱注入参数优选石磊(1．吉林大学地球科学学院，吉林长春130061；2．大庆油田有限责任公司第一采油厂，黑龙江大庆163001)摘要：为使冀东高浅北区首次聚合物驱顺利实施，针对高浅北区油层大孔道发育特点和边底水情况，进行了高浅北区聚合物驱注入参数研究。在室内配方和

2、先导性矿场试验研究基础上，结合冀东高浅北区的地质开发特征，确定聚合物驱聚合物段塞相对分子质量、质量浓度、矿场注入速度的合理范围。利用Eclipse数值模拟软件，建立冀东油田地质模型，模拟优选出适合冀东油田的聚合物相对分子质量、聚合物注入质量浓度、注入速度等注人参数。通过不同注聚方案对比，合理的注入参数有利于提高采收率，同时可最大限度避免油层堵塞，改善开发效果。为冀东油田注聚开发提供了理论依据，并对改善厚油层的注聚开发效果具有重要意义。关键词：聚合物驱；注入参数；前置段塞；数值模拟；提高采收率中图分类号：TE357．46文献标识码

3、：A文章编号：1O00-3754(2013)02-0087-05oPTIMIZATIoNoFTHEINJECTIoNPARAMETESoFPoLYMERFLOoDINGINNoRTHGAoQIANoFJIDoNGoILFIELDSHILe(1．CollegeoftheEarthSciencesofJilinUniversity，Changchun130061，China；2．No．1OilProductionPlantofDaqingOitf~ldCompanyLtd．-Daqing163001，China)Abstract：I

4、nordertomakesurethatthefirstpolymerfloodinggoessmoothinNorthGaoqianofJidongOilfield，thestudiesoftheinjectionparametersareconductedinthelightofthedevelopedcharacteristicsofthehigh--capaci-ty／permeabilitychannelsandedge—bottomwaterconditionsoftheoilreservoirs．Onthebasi

5、softhestudiesofindoorformulaandpilotfieldtest，andmoreovercombiningwiththegeologicaldevelopmentfeaturesoftheblock，therea-sonablerangesofrelativemolecularmass，massconcentrationandfieldinjectionrateofthepolymerslugaredeter—mined．WiththehelpofEclipsenumericalsimulatingso

6、ftware，thegeologicalmodelofJidongOilfieldisestab—lished，theinjectionparameterssuchasthefeasiblerelativemolecularmass，massconcentrationandinjectionrateofthepolymerandSOonareoptimizedbythemodeling．Bymeansofthecontrastofdifferentpolymerfloodingpro—grams，thereasonableinj

7、ectionparametersarebeneficialtoenhancetheoilrecoveryandatthemeantimecanmaxi-mallyavoidtheblocksintheoilreservoirsandfinallyimprovethedevelopmenteffects．Intheend，theseresearchachievementsprovidetheoreticalevidenceforthepolymerfloodingofJidongOilfieldandmoreoverpossess

8、importantsignificanceforimprovingthepolymerfloodingeffectsofthethickoilreservoirs．Keywords：polymerflooding；injectionparameter；presl