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Viscoelastic BISQ model for low-permeability sandstone with clay
Nie Jian-Xin ; Yang Ding-Hui
2010-05-06 ; 2010-05-06
关键词SATURATED POROUS-MEDIA ELASTIC-WAVES COMPRESSIONAL WAVE FREQUENCY RANGE PROPAGATION ATTENUATION SQUIRT DISPERSION MECHANISM BIOT Physics, Multidisciplinary
中文摘要A modified BISQ (Biot/ Squirt) model for wave propagation in low-permeability sandstone is developed by introducing the viscoelastic mechanism of a porous skeleton into Dvorkin's model. The linear viscoelasticity of the Kelvin-Voigt constitutive law is employed to describe the stress-strain relation of a solid frame with clay while the ultrasonic waves propagate through the fluid-saturated sandstone. The phase velocity and attenuation of two p-waves are given based on the present BISQ model. The comparisons between numerical results and experimental data indicate that our viscoelastic model is more realistic and feasible for wave propagation in the low-permeability sandstone, especially with clay, than traditional BISQ models.
语种英语 ; 英语
出版者IOP PUBLISHING LTD ; BRISTOL ; DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
内容类型期刊论文
源URL[http://hdl.handle.net/123456789/14036]  
专题清华大学
推荐引用方式
GB/T 7714
Nie Jian-Xin,Yang Ding-Hui. Viscoelastic BISQ model for low-permeability sandstone with clay[J],2010, 2010.
APA Nie Jian-Xin,&Yang Ding-Hui.(2010).Viscoelastic BISQ model for low-permeability sandstone with clay..
MLA Nie Jian-Xin,et al."Viscoelastic BISQ model for low-permeability sandstone with clay".(2010).
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