Fractal Application in Micro Rock Mechanics of Low-Permeability Oil Reservoirs and Its Relationship with Enlarging Producing Reserves by Gemini Surfactant Flooding

Abstract:

Low permeability oil reservoirs were usually considered low quality reserves. However, low permeability oil reservoirs account for more and more percent of the proven reserves year by year in China. Conventional methods for analyzing medium-hign permeability cores are not suitable to low-permeability cores. Based on fractal method and the mercury injection curve data, the fractal dimensions of the pore structures of low permeability oil reservoirs are different from those of medium-high permeability oil reservoirs. The fractal dimensions of the pore structures of low permeability oil reservoirs are less than 2. Low permeability oil reservoirs which were not able to be developed are able to be developed by gemini surfactant flooding. This helps more and more low quality reserves be turned into producing reserves.

• Periodical: Applied Mechanics and Materials (Volumes 29-32)
• Pages: 170-176
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.29-32.170
• Online since: August 2010
• Authors: Heng Wei, Lei Wei, Jian Hui Yin, Fu Ling Yin, Jun Han Liu, Hou Hua Li, Guo Qi Wei, Xian Gui Liu, Wei Dong Liu
• Keywords: Fractal, Low Permeability Oil Reservoir, Oil Exploration, Reservoir Description, Rock Mechanic

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