IMECH-IR  > 流固耦合系统力学重点实验室
Research on oil displacement mechanism in conglomerate using CT scanning method
Deng SG; Lu WF; Liu QJ; Leng ZP; Li T; Liu HX; Gu HJ; Xu CF; Zhang XH(张旭辉); Lu XB(鲁晓兵); Deng, SG (reprint author), State Key Lab Enhanced Oil Recovery, Beijing 100083, Peoples R China.
Source PublicationPetroleum Exploration and Development
2014-06
Volume41Issue:3Pages:365-370
ISSN1000-0747
AbstractTaking the conglomerate from Xinjiang Oilfield as study object, the porosity distribution characteristics of the conglomerate were analyzed with CT scanning; through the online monitoring of the water and polymer flooding process in a conglomerate core using an CT scanning system, the saturation profile along the core and the CT reconstructed images of core section during the displacing process were obtained; oil displacement mechanism was analyzed according to a new characterization parameter, "oil saturation frequency distribution". The results show that the conglomerate has strong heterogeneity, resulting in "dominant channels", and in turn ineffective water circulation and low water flooding oil recovery, moreover, the oil in high oil saturation area is produced first. In polymer flooding, the oil in high and medium oil saturation areas can be produced but the oil in low oil saturation areas still cannot be produced. Oil produced in the subsequent water flooding is still mainly from the high oil saturation areas. For conglomerate reservoirs, previous water flooding should reach as high water cut as possible so as to strengthen the slug effect of the polymer. Meanwhile the injection volume of polymer should be reduced, and a subsequent water flooding should be used to push the polymer slug to produce oil.
KeywordConglomerate Ct Scanning Water Flooding Polymer Flooding Oil Saturation Profile Along The Core Frequency Distribution
Subject AreaEnergy & Fuels ; Engineering ; Geology
Indexed BySCI
Language英语
WOS IDWOS:000340843000008
WOS Research AreaEnergy & Fuels ; Engineering ; Geology
WOS SubjectEnergy & Fuels ; Engineering, Petroleum ; Geosciences, Multidisciplinary
Funding OrganizationFoundation item: Supported by the National Key Basic Research and Development Program (973 Program), China (2011CB707302); CNPC Science and Technology Program (2011A-1003); the National High Technology Research and Development Program (863 Program), China (2009AA063403).
DepartmentLMFS海洋土力学(LHO)
ClassificationQ3
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/49101
Collection流固耦合系统力学重点实验室
Corresponding AuthorDeng, SG (reprint author), State Key Lab Enhanced Oil Recovery, Beijing 100083, Peoples R China.
Recommended Citation
GB/T 7714
Deng SG,Lu WF,Liu QJ,et al. Research on oil displacement mechanism in conglomerate using CT scanning method[J]. Petroleum Exploration and Development,2014,41(3):365-370.
APA Deng SG.,Lu WF.,Liu QJ.,Leng ZP.,Li T.,...&Deng, SG .(2014).Research on oil displacement mechanism in conglomerate using CT scanning method.Petroleum Exploration and Development,41(3),365-370.
MLA Deng SG,et al."Research on oil displacement mechanism in conglomerate using CT scanning method".Petroleum Exploration and Development 41.3(2014):365-370.
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