Search Results - "MÜLLER, Tobias M"

Effect of porosity gradient on the permeability tensor by Madadi, Mahyar, Müller, Tobias M.

“…ABSTRACT Experimental investigations often reveal that there is a correlation between porosity and permeability in rocks. The most commonly used model to…”
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Do seismic waves sense fracture connectivity? by Germán Rubino, J., Guarracino, Luis, Müller, Tobias M., Holliger, Klaus

“…A defining characteristic of fractured rocks is their very high level of seismic attenuation, which so far has been assumed to be mainly due to wave‐induced…”
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Drained pore modulus and Biot coefficient from pore-scale digital rock simulations by Ahmed, Shakil, Müller, Tobias M., Madadi, Mahyar, Calo, Victor

“…We present a digital rock workflow to determine poroelastic parameters which are difficult to extract from well-log or laboratory measurements. The drained…”
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Generalized poroelasticity framework for micro-inhomogeneous rocks by Müller, Tobias M., Sahay, Pratap N.

“…ABSTRACT Poroelastic modelling of micro‐inhomogeneous rocks is of interest for applications in rock physics and geomechanics. Laboratory measurements from both…”
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P-wave dispersion and attenuation in fractured and porous reservoirs - poroelasticity approach by Gurevich, Boris, Brajanovski, Miroslav, Galvin, Robert J., Müller, Tobias M., Toms-Stewart, Julianna

“…ABSTRACT Natural fractures in hydrocarbon reservoirs can cause significant seismic attenuation and dispersion due to wave induced fluid flow between pores and…”
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Acoustoelastic FD Simulation of Elastic Wave Propagation in Prestressed Media by Yang, Haidi, Fu, Li-Yun, Fu, Bo-Ye, Müller, Tobias M.

“…Insights into wave propagation in prestressed media are important in geophysical applications such as monitoring changes in geo-pressure and tectonic stress…”
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Wave-induced fluid flow in random porous media : Attenuation and dispersion of elastic waves by MÜLLER, Tobias M, GUREVICH, Boris

“…A detailed analysis of the relationship between elastic waves in inhomogeneous, porous media and the effect of wave-induced fluid flow is presented. Based on…”
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Velocity-saturation relation in partially saturated rocks: Modelling the effect of injection rate changes by Liu, Jiawei, Müller, Tobias M., Qi, Qiaomu, Lebedev, Maxim, Sun, Weitao

“…ABSTRACT The relationship between P‐wave velocity and fluid saturation in a porous medium is of importance for reservoir rock characterization. Forced…”
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Negative Unjacketed Pore Modulus in Limestones? Critical Examination of a Peculiar Laboratory Observation by Tan, Wenhui, Müller, Tobias M., Ba, Jing

“…There is recent experimental evidence that the effective pressure coefficient for pore volume exceeds unity in limestones with dual porosity structure. Within…”
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Saturation scale effect on time-lapse seismic signatures by Qi, Qiaomu, Müller, Tobias M., Gurevich, Boris

“…ABSTRACT Quantitative interpretation of time‐lapse seismic signatures aims at assisting reservoir engineering and management operations. Time‐lapse signatures…”
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Wave attenuation in partially saturated porous rocks; new observations and interpretations across scales by Caspari, Eva, Qi, Qiaomu, Lopes, Sofia, Lebedev, Maxim, Gurevich, Boris, Rubino, J. Germán, Velis, Danilo R, Clennell, Michael B, Müller, Tobias M

“…Seismic waves propagating in porous rocks saturated with two immiscible fluids can be strongly attenuated. Predicting saturation effects on seismic responses…”
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Wettability effect on wave propagation in saturated porous medium by Li, Jimmy X., Rezaee, Reza, Müller, Tobias M.

“…Micro-fluid mechanics studies have revealed that fluid slip on the boundary of a flow channel is a quite common phenomenon. In the context of a fluid-saturated…”
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A Rock Physics Modeling Approach with Pore-Connectivity Parameter Inversion in Tight Sandstone Reservoirs by Ba, Jing, Chen, Jiawei, Luo, Cong, Yang, Zhifang, Müller, Tobias M.

“…Tight gas sandstone reservoirs play an important role in the field of exploration and development of unconventional oil/gas resources. However, these…”
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An energy-based approach to estimate seismic attenuation due to wave-induced fluid flow in heterogeneous poroelastic media by Solazzi, Santiago G., Rubino, J. Germán, Müller, Tobias M., Milani, Marco, Guarracino, Luis, Holliger, Klaus

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Drained‐to‐undrained transition of bulk modulus in fluid‐saturated porous rock induced by dead volume variation by Tan, Wenhui, Müller, Tobias M., Ba, Jing, Mikhaltsevitch, Vassily, Cao, Chenghao

“…ABSTRACT We examine the effect of poroelastic boundary conditions when determining elastic properties of fluid‐saturated porous rocks from forced‐oscillation…”
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Rock Physics Modeling and Seismic AVAZ Responses of Fractured Reservoirs with Different Azimuths by Ba, Jing, Zhang, Wei, Huang, Guangtan, Müller, Tobias M., Luo, Cong

“…Fracture orientation and in particular the fracture strike play an important role in guiding the accurate estimation of the orientation of in situ stress…”
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Compensating elastic transmission losses for P‐wave attenuation estimation from sonic logs by Liang, Jiabin, Müller, Tobias M., Tang, Genyang, Wang, Shangxu

“…ABSTRACT The decay of seismic amplitude is caused by a variety of physical phenomena that can be divided broadly into elastic transmission losses (including…”
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Rock-Physics Template Based on Differential Diagenesis for the Characterization of Shale Gas Reservoirs by Pang, Mengqiang, Ba, Jing, Deng, Jixin, Müller, Tobias M., Saenger, Erik H.

“…The production of shale gas plays an important role in the global oil/gas industries, which is considered to approach about 1/3 of the total natural gas…”
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A patchy-saturated rock physics model for tight sandstone based on microscopic pore structures by Wu, Chun-Fang, Ba, Jing, Carcione, José M., Müller, Tobias M., Zhang, Lin

“…The wave-induced local fluid flow mechanism is relevant to the complex heterogeneity of pore structures in rocks. The analysis of the local fluid flow…”
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Seismic wave attenuation and dispersion due to wave-induced fluid flow in rocks with strong permeability fluctuations by Germán Rubino, J, Monachesi, Leonardo B, Müller, Tobias M, Guarracino, Luis, Holliger, Klaus

“…Oscillatory fluid movements in heterogeneous porous rocks induced by seismic waves cause dissipation of wave field energy. The resulting seismic signature…”
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