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- Title
源外远源油气藏的内涵和特征 ---以准噶尔盆地盆1井西富烃凹陷为例.
- Authors
潘建国; 黄林军; 王国栋; 郭娟娟; 马永平; 罗昭洋
- Abstract
The complex superimposed basins mainly developed outside hydrocarbon reservoirs in western China with the characteristics with multi source and multi stages, which can be divided into near source and far source. There are a lot of exploration examples of far-source reservoirs outside the source at home and abroad, but the description of the connotation and characteristics is not much. Taking the Well Pen-1 west sag of Junggar Basin as an example, based on the analysis of the space-time coupling relationship of "source, carrier, trap", we analyzed the reservoir characteristics and pool formation patterns of the farsource reservoirs in the north of Well Pen-1 west sag from the perspective of dynamic accumulation. The research suggests that connotation characteristics include a farther distance from hydrocarbon-generating center, a single or multiple oil and gas long distance accumulation in"source-carrier"system and reservoir forming period lagging behind. According to crucial point of the effective coupling between the source and transportation system during the oil & gas secondary migration or adjustment, the source-transportation system can be divided into two types:The stable source-transportation and the transitional source-transportation combined with the structural characteristics of different oil & gas accumulation stages. The transitional source-transportation can be subdivided into constructive and destructive source-transportation. The further oil/gas exploration of far-source reservoirs in Well Pen-1 west sag should be focused on the flank of the Jidong nose convex belt, the south Luliang uplift, the low convex belt between the SN31 area to the Sixi area, the low convex belt and the flank of the Y131 area.
- Subjects
CHINA; HYDROCARBON reservoirs; GAS migration; NATURAL gas prospecting; PETROLEUM industry; RESERVOIRS; GAS condensate reservoirs
- Publication
Natural Gas Geoscience, 2019, Vol 30, Issue 3, p312
- ISSN
1672-1926
- Publication type
Article
- DOI
10.11764/j.issn.1672-1926.2018.11.008