利用流体包裹体分析和计算油气的充注史和古流体势——以鄂尔多斯盆地榆林地区上古生界为例

doi:10.11743/ogg20070205

Abstract

Abstract:

Research on fluid inclusion temperature,fluorescent spectroscopy,current potential analysis,and regional geological data,indicates that the Upper Paleozoic pools are characterized by multistage but continuous charging in Yulin,Ordos basin.From the middle Late Triassic to the end of the Early Cretaceous,hydrocarbons were continuously inputting into the reservoirs and their maturity evolved from low to high along with increasing burial depth.The charging is actually a continuous one-stage process,though it can be divided into 6 stages,of which the middle Early Jurassic-end of Middle Jurassic and the end of Middle Jurassic-end of Early Jurassic are two large scale gas charging stages.The calculated fluid inclusion potentials with PVT simulation software of VIFLINC indicate that paleocurrent potential is low in well Yu32 and high in well Yu43-8 and Yu25.

Key words: hydrocarbon charging, paleocurrent potential, fluid inclusion, Yulin area, Ordos basin

CLC Number:

TE122.3

Shan Xiuqin, Li Jian, Hu Guoyi, Chen Honghan, Luo Xia, Gao Jiayu. Analysis and calculation of hydrocarbon accumulation history and paleocurrent potential by studying fluid inclusions——An example from the Upper Paleozoic in Yulin,Ordos basin[J]. Oil & Gas Geology, 2007, 28(2): 159-165.

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Analysis and calculation of hydrocarbon accumulation history and paleocurrent potential by studying fluid inclusions——An example from the Upper Paleozoic in Yulin,Ordos basin

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