Abstract

Lower Permian organogenic buildups in the north of the Timan–Pechora basin are mound-type structures, whose deposits are characterized by an extremely irregular distribution of reservoir properties due to facial zoning and genetic features. Two types of buildup, skeletal and microbial, were distinguished based on the dominant limestone lithotypes composing them and, correspondingly, paleo-assemblages of benthic organisms. The differences between these buildups are the key to understanding the distribution of petroleum reservoirs within the studied stratigraphic interval.

中文翻译：

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Timan–Pechora盆地北部较低的二叠纪生物成因构造

摘要

Timan–Pechora盆地北部的二叠纪下部器官成因构造为丘型结构，其沉积物的特征是由于面部分区和遗传特征而使储层特性极为不规则地分布。根据构成它们的主要石灰岩岩性类型以及相应的底栖生物古组合，将其分为两种类型，即骨骼和微生物。这些构造之间的差异是了解所研究地层范围内油气藏分布的关键。