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按照整体研究、局部深入再回到整体的“时—势—体—面—点—面”的工作新思路,采用多因素叠合分析的方法,可以有效恢复沉积期岩相古地理环境.应用该方法,克服了先局部后整体导致的岩心、测井、地震等定相的多解性,充分考虑了宏观沉积背景在定相中的作用,厘定了歧口凹陷沙三2亚段沉积相类型.
According to the overall research, local deep and then back to the overall “time - potential - body - surface - point - surface” new ideas, using multifactor analysis method can effectively restore the sedimentary facies palaeogeomorphic environment This method is used to overcome the multi - solution of core, log, earthquake and other phasors caused by local pre - and post - localities, fully taking into account the role of macroscopic sedimentary background in phasing, Sedimentary facies.