摘要
根据吐哈盆地大量化探资料，结合地震资料和烃源岩评价结果，认为吐哈盆地近地表土壤中烃类的区域地球化学特征与该区域内沉积盖层中烃源岩的生、排烃强度直接相关。各坳（凹）陷内近地表土壤中烃类区域丰度就标志着各坳（凹）陷内生、排、聚烃量的大小，它们之间存在着明显的线性关系。利用这种关系，结合其它勘探资料，可以对未知盆地烃源岩的质量及其分布的有效范围进行评定，从而评价其含油气性，为进一步勘探提供依据。
According to a large amount of geochemical data, seismic data and
Rock Evaluation data, it is considered that there is a direct relation between regional
geochemical characteristics of hydrocarbon in near surface soil and hydrocarbon generation
and expulsion strength in sedimentary caprock. Regional hydrocarbon abundance in near
surface soil in depressions or sags reflects hydrocarbon generating, expelling and
accumulating quantity, both of which has a linear relation. Such relation, along with other
exploration data, can be used to assess the quality of source rock and its extent in unknown
basins and then evaluate its oil(gas) bearing nature for further exploration.
出处
《新疆石油地质》
CAS
CSCD
1999年第2期113-116,共4页
Xinjiang Petroleum Geology
关键词
吐鲁番盆地
土壤
烃类异常
油气勘探
石油地质
Turpan Basin Hami basin Soil hydrocarbon abnormal Abundance Oil and gas
exploration
