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本文以大庆外围榆树林油田为例，从预探井获工业油流以后，对各个勘探阶段的勘探程度、评价程序、新技术新方法应用效果进行了总结。在重点研究油田地质特征的基础上，通过典型区块的解剖，分析和研究了影响储量变化的主要因素，提出了复杂岩性油藏的评价勘探程序和储量计算方法。
Taking the Yushulin Oilfield in the periphery of Daqing as an example, this paper summarizes the exploration degree, evaluation procedure, application effect of new technology and new method in each exploration stage after obtaining the industrial oil flow from the pilot exploration well. Based on the study of geologic characteristics of oilfields, the main factors influencing reserves change are analyzed and studied through the typical block anatomy. The evaluation exploration program and reserves calculation method of complex lithologic reservoirs are proposed.