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综合运用钻井、录井、薄片鉴定等资料,对王家川油田储层特征进行了研究,研究表明:王家川油田储层以灰色细粒长石砂岩为主,主要储集空间有粒间孔、粒间溶孔、粒内溶孔等,相对孔隙度,渗透率在纵向上、平面上变化较大,具有较强的非均质性。天然垂直裂缝十分发育,且主要为构造成因的垂直剪切缝,EW、NS两组裂缝最为发育。
The reservoir characteristics of Wangjiachuan Oilfield are studied by comprehensively using the data of drilling, mud logging and slice identification. The results show that the reservoirs of Wangjiachuan Oilfield are mainly composed of fine grained feldspathic sandstones, the main reservoir space is intergranular pores, Intergranular dissolved pores, intragranular dissolved pores, the relative porosity, permeability in the vertical, the greater the change in the plane, with strong heterogeneity. Natural vertical fractures are well developed, and are mainly vertical fractures of structural origin. EW and NS fractures are the most developed.