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准噶尔盆地中部1区块位于准噶尔盆地的中央坳陷带。目前准中莫西庄地区侏罗系三工河组二段储层试油大多为油水同出。为正确评价储层,充分利用了该地区大量的钻井取心资料,测井、试油和分析化验等成果,开展了分岩性的物性、含油性关系研究。认为①侏罗系三工河组二段储层的岩性、物性与含油性存在较好的关系。油层的岩性下限为细砂岩,储层的岩性以中砂岩为主。油藏储层的孔隙度下限为9％～10％。随着孔隙结构的变好,含油性也较好。②孔隙结构是影响储层岩性、物性及含油性关系的最根本因素,岩性变细使得孔隙结构变差,导致物性变差,含油性级别则降低。
Block 1 in the central Junggar Basin is located in the central depression of the Junggar Basin. At present, the Moxizhuang Zhunzhong area Jurassic Sangonghe Formation of the second section of reservoir test oil mostly with oil and water out. In order to correctly evaluate the reservoirs and make full use of the drilling coring data, well logging, oil testing and analytical laboratory results in the area, the relationship between petrophysical properties and oil-bearing properties has been studied. It is considered that there is a good relationship between lithology, physical properties and oil content of the second member of the Jurassic Sangonghe Formation. The lower lithology of the reservoir is fine sandstone, and the lithology of the reservoir is mainly medium sandstone. The lower limit of reservoir porosity is 9% ~ 10%. As the pore structure becomes better, the oil content is better. (2) Pore structure is the most fundamental factor affecting the relationship between reservoir lithology, physical properties and oiliness. The thinning of lithology leads to the deterioration of pore structure, resulting in poor physical properties and low oil level.