【摘要】 为提高葡北油田扶余油层复杂断裂区带构造解释精度,针对研究区井控程度低、发育多期微小断裂和断裂切割关系复杂等,根据高分辨率地震资料,运用变面积和变密度剖面显示、水平切片、相干体切片及相位谱分解等方法,完成葡61区块扶余油层精细构造和断裂分析.结果表明:新井构造误差小于5‰,准确识别5~10m圈闭高度的微幅度构造.扶余油层顶面构造特征形态为断裂切割背斜形成的、以地垒、地堑和断阶为主的局部断裂—构造圈闭.综合构造、断裂及砂体发育特征,在研究区优选1个Ⅰ类有利区块,面积为44.3km2;2个Ⅱ类有利区块,面积为82.4km2;5个Ⅲ类有利区块,面积为29.2km2.该研究结果对扶余油层开发具有一定的指导作用.更多还原

【Abstract】 In order to improve the interpretation accuracy of fault structure zone Fuyu Pubei oilfield reservoir in the research area of complex,well control degree is low,the development of multi period micro fracture,fracture cutting complex relationship,based on the high resolution seismic data,the use of variable area and variable density profile display,horizontal slice,coherent body slice and phase spectrum decomposition method,to complete the analysis of fine structure and fracture Pu61 block.The results show that:the Nii tectonic error is less than 5‰,the accurate identification of 5to 10 meters height trap with low amplitude structure.Fuyu reservoir top structure characteristic morphology for faults cutting anticline formed by Horst graben and fault,order based local fracture tectonic traps.The development characteristics of integrated structure,fault and sand body,in the study area,preferably 1class I favorable block,an area of 44.3 square kilometers;the 2 class II favorable block,an area of 82.4 square kilometers;the 5 class III favorable block,an area of 29.2 square kilometers.The research results have certain reference and guidance role for the development of Fuyu reservoir.更多还原