Hydrocarbon Accumulation Characteristics and its Main Controlling Factors in Lithologic Reservoirs Area: Example of Fuyu Oil Layer in the Southern Fuxin Uplift of Songliao Basin

Abstract:

Taking Fuyu oil layer in the southern Fuxin Uplift of Songliao Basin as an example, through study on types and distribution characteristics of found reservoirs, this article discusses hydrocarbon accumulation characteristics and its main controlling factors in lithologic reservoirs area. The results show that reservoirs types of Fuyu oil layer are mainly local structure-lithologic reservoirs in the southern Fuxin Uplift. Characteristics of hydrocarbon accumulation is tertiary structure controlling direction, single trap controlling hydrocarbon accumulation, local structure controlling boundary and monosandbody controlling layer. General direction of hydrocarbon migration is controlled by tertiary structure, and hydrocarbon accumulation is controlled single trap. Planar distribution boundary of hydrocarbon is controlled by boundary of local structure and monosandbody in single trap, and vertical distribution layer of oil/water is controlled by vertical development characteristics of monosandbody. Local structure, single distributary channel sandbody and their array mode is main controlling factors on complicated distribution of oil/water. It is supported an important realistic significance to complicated exploration and development of lithologic reservoirs.

• Periodical: Advanced Materials Research (Volumes 524-527)
• Pages: 134-139
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.524-527.134
• Online since: May 2012
• Authors: Yu Sun, Chen Chen, Shi Zhong Ma, Bai Quan Yan
• Keywords: Fuyu Oil Layer, Hydrocarbon Accumulation Characteristics, Lithologic Reservoirs, Single Trap, Songliao Basin

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