Title: Study on the Correlation between Pressure and Reservoir Distribution of the Es3~z Member in the West of Niuzhuang Subsag
Abstract: The Niuzhuang Subsag is one of the most important oil generation subsags and the middle Section in Member 3 of Shahejie Formation(abbreviated to the Es3~z Member) is main exploration strata in Dongying Sag of Shengli Oilfield,in which the turbidite sandbodies form the main reservoir bodies in this area.The strata pressure coefficient of 5 sandbodies are worked out by means of mudstone equivalent depth with the acoustic log time-difference of 47 well drillings.The correlation between pressure and reservoir distribution of the Es3~z Member in the west of Niuzhuang Subsag is studied.The study has indicated that overpressure phenomenon is obvious and this overpressure provides the important original power for the oil-gas migration,and found that the reservoirs distribute generally along the high pressure and extra-high pressure zones.The three favorable sandbodies are forecasted by combining with the seismic inversion data and integrating with such factors as the buried depth of sandbodies,faults,sedimentary facies,and so on.
Publication Year: 2009
Publication Date: 2009-01-01
Language: en
Type: article
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