Geometric Description of Source Rock Bodies in the Niuzhuang Subdepression
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摘要: 油气资源评价，应该从以构造单元为评价单元，走向以蕴含于构造单元内的生成油气的地质体为单元。界定生成油气的烃源岩体，要综合应用地质、有机地球化学、地球物理等学科从三维空间上来进行。本文以牛庄洼陷为例，具体地使用岩心、测井曲线、古生物化石、有机地球化学指标、地震剖面等资料，描述了沙四上亚段的低熟及成熟烃源岩的几何形态，以及它们在生成演化上的相互联接。Abstract: The evaluation of hydrocarbon resources is nowadays based on the elemental unit of hydrocarbon-bearinggeological bodies within structural units instead of on the structural unit itself. The discrimination of sourcerock bodies requires three-dimensional treatment of geological,geochemical and geophysical data. Based on thedata of cores, logging curves，paleontologic fossils geochemical parameters and seismograms, the present pa-per,taking the Niuzhuang subdepression as an example,described the geometric shape of low-mature and ma-ture source rocks in the upper submember of the Shasi section;moreover,the paper discussed the mutual rela-tionship of them both in genesis and evolution.
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Key words:
- resource evaluation /
- source rock bodies /
- three-dimensional /
- space geometric shape
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[1] 1 王秉海，钱凯.胜利油区地质研究与勘探实践.山东东营:石油大学出版社，1992. 142-151
2 蒂索B P.威尔特DH著.石油形成和分布.郝石生等译·北京:石油工业出版社，1982. 296 -323 -
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