成藏体系中油气田母体的分布形式

DISTRIBUTION FORM OF FIELD PARENT POPULATION IN PETROLEUM PLAY

预测一个地区油气田的规模分布和数量,为经济分析和勘探决策提供定量依据,是油气资源评价中必不可少的一个部分。目前对成藏体系中油气田规模分布形式存在不同的看法,建立一个可信的母体分布模型是预测油气田规模分布的基础。为研究成藏体系油气田母体的规模的分布形式,本文收集了世界范围内近六十个成藏体系和含油气盆地已发现油气田规模分布的资料,以此分析油气田母体的分布类型。

To provide quantitative support for making economic anal- ysis and exploration decision,predicting the number and dis- tribution of field sizes at a play level is an important part of petroleum resource assessment.There are differnt opinions regarding the distribution form of field sizes in a petroleum play.Establishing a reliable parent population model is there fore essential for prediction of the number and field size distribution.This study attempts to gain a realistic view of the distribution form of field size distribution in nature by analyzing sixty samples collected from plays and basins worldwide.