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Hydrocarbon Resources and Forming Conditions of Hydrocarbon Reservoir of Permo-Carboniferous in Zhoukou Depression(PDF)

《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

Issue:
2008年第03期
Page:
271-277
Research Field:
基础地质与矿产地质
Publishing date:

Info

Title:
Hydrocarbon Resources and Forming Conditions of Hydrocarbon Reservoir of Permo-Carboniferous in Zhoukou Depression
Author(s):
LIU Zhi-wu1ZHOU Li-fa2HE Ming-xi3
1. Key Laboratory for Western Mineral Resources and Geological Engineering o f Ministry o f Education, Changan University, Xian 710054, Shaanxi, China; 2. Department o f Geology, Northwest University, Xian 710069, Shaanxi, China; 3. Institute o f Petroleum Exploration and Development, Henan Oilfield, Nanyang 473123, Henan, China)
Keywords:
Zhoukou depression the Permo-Carboniferous hydrocarbon resources forming conditions of hydrocarbon reservoir
PACS:
TE122.1
DOI:
-
Abstract:
According to synthetically studies on the Permo-Carboniferous distribution in the Zhoukou depression, oil source rock features, hydrocarbon-generating history, assembling types of the oil-generating strata, reservoir strata and overlying strata, oil transforming systems and filling history, trap types as well as their forming and evolution, and the typical hydrocarbon reservoir, this paper aims to probe into the hydrocarbon resources and forming conditions of reservoir of the Permo-Carboniferous in the Zhoukou depression. The research indicates that the coal is the main generating rock of the Permo-Carboniferous because of its extensive distribution, large thickness, good kerogen types and high hydrocarbon potential. The Indosinian epoch and Yanshan epoch are the most important periods for hydrocarbon formation. The assembling types of the oil-generating strata, reservoir strata and overlying strata include self-generation and self-accumulation ones, super-generation and lower- accumulation ones and buried hill ones, among which the most important is the super-generation and lower- accumulation ones. The transforming systems for the Permo-Carboniferous hydrocarbon include sandstone ones, hard ground ones and rift system ones. The trap types in this area include compound structural ones, residual paleo-karst landform ones of the lower Palaeozoic Erathem, stratigraphy-lithology ones of the upper Palaeozoic Erathem. The late Himalayan epoch is the foremost for the Permo-Carboniferous hydrocarbon generation and accumulation, and the formalization time of trap match well with that of hydrocarbon accumulation. The Nan12- well reservoir is a great finding of the Permo-Carboniferous hydrocarbon resources in this area. In a word, the Permo-Carboniferous in this region have high resources potential and favorable forming conditions of hydrocarbon reservoir, and this region is a favorable to scquire breakthrough in the exploration activity.

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Last Update: 2008-09-20