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	Experimental study of the laws between the effective confirming pressure and rock permeability
	Huang Yuanzhi ; Wang Enzhi
	2010-05-11 ; 2010-05-11
关键词	Experimental/ flow through porous media permeability polynomials pressure measurement rocks/ effective confirming pressure rock permeability fluid-solid coupling sandstone Changqing oil field FDES-641 triaxial system polynomial coupling seepage/ A9160B Mechanical and acoustic properties of rocks, minerals and soil A4755M Flow through porous media A0630N Pressure measurement A0210 Algebra, set theory, and graph theory
中文摘要	The effect of fluid-solid coupling on the seepage in low permeability rocks was measured for sandstone from the Changqing oil field on an FDES-641 triaxial system. The results indicated coupling between the seepage and the permeability in low permeability rock. For example, increasing pressures reduced the rock permeability. The permeability recovered to some extent when the pressure was reduced, but did not return to the original value even when the pressure was completely released. The functional relationship between the seepage and the effective confirming pressure and the rock permeability was fit by a polynomial. Changes in the characteristics of the pores and fractures existing in the rock as the pressure changes are expected to be the main causes of the rock permeability variation.
语种	中文 ; 中文
出版者	Tsinghua Univ. Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/27339]
专题	清华大学
推荐引用方式 GB/T 7714	Huang Yuanzhi,Wang Enzhi. Experimental study of the laws between the effective confirming pressure and rock permeability[J],2010, 2010.
APA	Huang Yuanzhi,&Wang Enzhi.(2010).Experimental study of the laws between the effective confirming pressure and rock permeability..
MLA	Huang Yuanzhi,et al."Experimental study of the laws between the effective confirming pressure and rock permeability".(2010).

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