EFFECTS OF MM-LEVEL MUD-FILMS ON RESERVOIR DEVELOPMENT IN YINGTAI AREA

doi:10.3863/j.issn.1674-5086.2009.05.011

西南石油大学学报(自然科学版) ›› 2009, Vol. 31 ›› Issue (5): 49-55.DOI: 10.3863/j.issn.1674-5086.2009.05.011

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EFFECTS OF MM-LEVEL MUD-FILMS ON RESERVOIR DEVELOPMENT IN YINGTAI AREA

WANG Yong-zhuo^1，2 GUO Hong-yan³CHEN Guo-xun² WANG Hai-qiao²

1.School of Geophysics and Information Technology，China University of Geosciences，Haidian Beijing 100083，China；2.Oil Reservoir Evaluation Department，Daqing Oilfield Company Limited，CNPC，Daqing Heilongjiang 163453，China；3.Gas Production Branch，Daqing Oilfield Company Limited，CNPC，Daqing Heilongjiang 163514，China

Received:1900-01-01 Revised:1900-01-01 Online:2009-10-20 Published:2009-10-20

Abstract

Abstract:

There are abundant mm-level mud films in the cretaceous delta front silts in Yingtai area which is located in west of Daqing，with the thickness less than 3mm.The mud films are mainly developed in the sand sheet of delta front，secondly of mouth bar，and least in the under-water distributary channel.The frequency of the mud films in sand sheet is up to 40n/m by cores counting.Mud films can change the route of the oil-water migration in reservoirs and take effects of decreasing porosity and permeability indirectly.A work of exploitation numeral simulation by two models is considered，one is homogeneous and another is developed some mud films.The affections of mud film are quantitatively conformed by the contrast of two simulate results，and so some exploitation measures are brought for the reservoirs which contain some mud films in Yingtai area.

Key words: mm-level mud film, orifice, heterogeneity, numeral simulation, Daqing

CLC Number:

WANG Yong-zhuo;GUO Hong-yan CHEN Guo-xun WANG Hai-qiao . EFFECTS OF MM-LEVEL MUD-FILMS ON RESERVOIR DEVELOPMENT IN YINGTAI AREA[J]. 西南石油大学学报(自然科学版), 2009, 31(5): 49-55.

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EFFECTS OF MM-LEVEL MUD-FILMS ON RESERVOIR DEVELOPMENT IN YINGTAI AREA

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