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ID:36637790
大小:2.28 MB
页数:78页
时间:2019-05-13
《石蜡基原油常温集输技术研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、浙江大学硕士学位论文石蜡基原油常温集输技术研究姓名:王明信申请学位级别:硕士专业:化学工程与工艺指导教师:徐国华2002.7.5石蜡基原油常温集输技术研究摘要、然庆油田现已进入高含水开发后期,钠井采出液综合含水率融达84%缓土,基稿著游豹一些潼势蘩密滚含承攀已这蘩95%黻上。夔案潼井采出澈含水率的不断升高,油井产水量逐渐增加,另外由于水的热容量篦愿瀵鹃热容量大,导致双譬掺农案{盎工艺熬鼹耗苓裁主秀,采濑残本不断攀升。因此,抑制集油过程能耗的上升,降低新建二、三次加密共基建投资,降低袋{霆成本,实褒常温集
2、洼或低温集油麓大庆渣班慧特解决的问题。常激和低温集油化学剂技术生要是通过尚油井采出液或地面掺水中加入原油乳化降粘荆改善原油豹流动性能,12王此降低骧浦集输过程巾豹能耗。简化集输流程,降低基建投资。在外曝低渗透油田中采用常漱和羝温集灏纯学蘩接零,可使诋产酝块豹舞发翻经济土苓霹行变势胃符;在长垣油田应用低温j}Ⅱ常温集油化学剂技术,可节约犬墩的天然气,选、/蔻趸长涌瓣秀发焉麓灏挺褰嚣演蘩收辜吴莠◆势重要斡意义。y{本文从分析原油乳化降粘剂掘桑油系统中的作用原理人手,建盘了洼臻聚势潺度和凝池数壁湿度的橇念,对
3、常濑、低滠集涟系统孛应攫豹原油乳化降粘剂的室内评价方法和加药工艺避行了系统研究,在此基础上以大庆油田采油一爱八厂和十厂油样为介威,选择了100余种国产瞬离子、粥离子释菲离子表面活经剂进行了夭蠹的单剂帮爱配药麓试虢,得到了5种可用于大庆油田不同朕块原油的常漱和低温集油化学剂配方,分麓螽名为HW一011W30、HW.01/A50、DODE一1、DODE一2和DODE一3。现场试验结果表明药剂配方基本上满足了大庆油田各区块的不同条件。lAbstractDaqingo订fieldhasenteredintoth
4、elatedevelopmentstage.whichhasthecompositeWC84%,forsomeproducersinoriginalwellgride,theWChasbeenashighasover95%already.WiththesuccessiveincreaseofWC,andoftheamountofproducedwater,forthethermalcapacityofwaterisbiggerthanthatofcrudeoil.asaresult。intheproce
5、ssofcrudeoiltransferringwithhotwaterinjected,theenergyconsumedhasbeenincreasingcontinuously,andtheproductionoperationCOSthasbeenincreasedaswell,Soindaqingoilfield,howtocontroltheenergyconsumptionofcrudeoiltransferring,reducetheinvestmentofconstructionfor
6、secondaryinfillandtertiaryinfillwells,decreasetheproductionoperationcost。andachievenormaltemperatureorIowtemperaturecrudeoiltransferringisacriticalproblemtoberesolvedurgently.Normalorlowtemperaturechemical.transferringtechnologyistoaddcrudeoilemulsionPPD
7、intoproducedliquidorhotwaterl嘲cotedtothetransferringline,thereforeimprovingtheflowingperformanceofcrudeoil,decreasingtheenergyconsumption,simplifyingthetransferringfacilitiesanddecreasingtheconstructioninvestment.InlowpermeabiHtyboundaryoilfield,applying
8、thistechnologycanmakethefielddevelopmenttobeprofitable.InChangyuanOilfield,thistechnologycansaveagreatdealofnaturalgas,whichhassignificantimpedancetotheextensionoffielddevelopmentlifeandincrementofEOR.Inthispaper,startingw
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