Search Results - "Gurevich, Boris"
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Monitoring Injected CO2 Using Earthquake Waves Measured by Downhole Fibre-Optic Sensors: CO2CRC Otway Stage 3 Case Study
Published in Sensors (Basel, Switzerland) (16-10-2022)“…Monitoring changes of formation properties along the well bore associated with the presence of carbon dioxide can be important for both tracking the plume…”
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The Effect of the Method of Downhole Deployment on Distributed Acoustic Sensor Measurements: Field Experiments and Numerical Simulations
Published in Sensors (Basel, Switzerland) (29-08-2023)“…Distributed acoustic sensing (DAS) is a promising technology for seismic data acquisition, particularly in downhole applications. However, downhole DAS…”
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3
A laboratory study of low-frequency wave dispersion and attenuation in water-saturated sandstones
Published in Leading edge (Tulsa, Okla.) (01-06-2014)“…Laboratory measurements of elastic and anelastic parameters of dry and water-saturated sandstones with low (0.7- and 1.1-mD) and high (425-mD) permeability…”
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4
Evidence of Nonlinear Seismic Effects in the Earth from Downhole Distributed Acoustic Sensors
Published in Sensors (Basel, Switzerland) (01-12-2022)“…Seismic velocities and elastic moduli of rocks are known to vary significantly with applied stress, which indicates that these materials exhibit nonlinear…”
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Wave-induced fluid flow in random porous media : Attenuation and dispersion of elastic waves
Published in The Journal of the Acoustical Society of America (01-05-2005)“…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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6
Electrical formation factor of clean sand from laboratory measurements and digital rock physics
Published in Solid earth (Göttingen) (09-09-2019)“…Electrical properties of rocks are important parameters for well-log and reservoir interpretation. Laboratory measurements of such properties are…”
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Brain neuroprotection by scavenging blood glutamate
Published in Experimental neurology (2007)“…Excess glutamate in brain fluids characterizes acute brain insults such as traumatic brain injury and stroke. Its removal could prevent the glutamate…”
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Direct laboratory observation of patchy saturation and its effects on ultrasonic velocities
Published in Leading edge (Tulsa, Okla.) (01-01-2009)“…Maximizing the recovery of known hydrocarbon reserves is one of the biggest challenges facing the petroleum industry today. Optimal production strategies…”
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Hybrid endoscope with television and multispectral image processing for the internal organs cancer early diagnostics
Published in Nauchno-tekhnicheskiĭ vestnik informat͡s︡ionnykh tekhnologiĭ, mekhaniki i optiki (01-12-2022)“…Endoscopes are widely used to diagnose various internal diseases. The most advanced endoscopes contain miniature television cameras built into the probe which…”
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10
Modeling the Effect of Pressure on the Moduli Dispersion in Fluid‐Saturated Rocks
Published in Journal of geophysical research. Solid earth (01-08-2020)“…Laboratory experiments of ultrasonic velocities of fluid‐saturated rocks are often much higher than the predictions of the Gassmann theory. This difference is…”
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Optimal bounds for attenuation of elastic waves in porous fluid-saturated media
Published in The Journal of the Acoustical Society of America (01-11-2017)“…Explicit expressions for bounds on the effective bulk and shear moduli of mixture of an elastic solid and Newtonian fluid are derived. Since in frequency…”
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Validation of the laboratory measurements at seismic frequencies using the Kramers‐Kronig relationship
Published in Geophysical research letters (28-05-2016)“…We present a simple procedure concerning the application of the Kramers‐Kronig relation for the validation of the laboratory measurements of the extensional…”
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13
Frequency dependence of anisotropy in fluid saturated rocks - Part I: aligned cracks case
Published in Geophysical Prospecting (01-07-2016)“…ABSTRACT A major cause of attenuation in fluid‐saturated media is the local fluid flow (or squirt flow) induced by a passing wave between pores of different…”
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Feasibility of targeted active seismic monitoring of geological carbon storage using refracted waves
Published in International journal of greenhouse gas control (01-02-2024)“…•Time-lapse anayalis of traveltimes of seismic refractions is proposed as a method of conformance monitoring.•This possibility is verified using numerical…”
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Effect of grain-scale gas patches on the seismic properties of double porosity rocks
Published in Geophysical journal international (01-01-2017)“…Time-lapse ultrasonic measurements constitute a tool to establish and calibrate rock physics models for surface seismic monitoring of partially saturated…”
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16
Anesthetic considerations during percutaneous nephrolithotomy
Published in Journal of clinical anesthesia (01-08-2007)“…Abstract Study Objective To assess anesthesia-related complications during and following percutaneous nephrolithotomy (PCNL) for staghorn stones. Design…”
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17
Gassmann Theory Applies to Nanoporous Media
Published in Geophysical research letters (16-01-2018)“…Recent progress in extraction of unconventional hydrocarbon resources has ignited the interest in the studies of nanoporous media. Since many thermodynamic and…”
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Laboratory measurements of the effect of fluid saturation on elastic properties of carbonates at seismic frequencies
Published in Geophysical Prospecting (01-07-2016)“…ABSTRACT A significant portion of the world's hydrocarbon reserves are found in carbonate reservoirs, yet analysis of the petrophysical properties of these…”
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Modelling elastic properties of partially saturated porous rocks with aligned fractures
Published in Geophysical journal international (08-06-2022)“…SUMMARY A simple but rigorous extension to anisotropy of the isotropic theory for partially saturated rocks is developed to model the variations of the P-wave…”
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DAS signature of reservoir pressure changes caused by a CO2 injection: Experience from the CO2CRC Otway Project
Published in International journal of greenhouse gas control (01-09-2022)“…•Fibre-optic cables can sense reservoir pressure variations during the injection of CO2 in the deep geological formation.•Linear relationship between DAS…”
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