A review of shear-wave splitting in the compliant crack-critical anisotropic Earth

Crampin, Stuart; Peacock, Sheila

doi:10.1016/j.wavemoti.2004.05.006

Cited by 162 publications

(122 citation statements)

References 70 publications

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“…The key assumption for application of this approach to hydraulic fracture-induced microseismic data is that the tectonic stress in the subsurface is close to the critical stress needed for brittle failure (e.g., [13]). As such, increasing fluid pressure (i.e., injecting fluid) within the reservoir results in a transient increase of the reservoir pore-pressure and a decrease in effective stress.…”

Section: Pore-pressure Triggeringmentioning

confidence: 99%

Using Microseismicity to Estimate Formation Permeability for Geological Storage of CO₂

Angus

Verdon

2013

ISRN Geophysics

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We investigate two approaches for estimating formation permeability based on microseismic data. The two approaches differ in terms of the mechanism that triggers the seismicity: pore-pressure triggering mechanism and the so-called seepage-force (or effective stress) triggering mechanism. Based on microseismic data from a hydraulic fracture experiment using water and supercritical CO 2 injection, we estimate permeability using the two different approaches. The microseismic data comes from two hydraulic stimulation treatments that were performed on two formation intervals having similar geological, geomechanical, and in situ stress conditions, yet different injection fluid was used. Both approaches (pore-pressure triggering, and the seepage-force triggering) provide estimates of permeability within the same order of magnitude. However, the seepage-force mechanism (i.e., effective stress perturbation) provides more consistent estimates of permeability between the two different injection fluids. The results show that permeability estimates using microseismic monitoring have strong potential to constrain formation permeability limitations for large-scale CO 2 injection.

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Section: Pore-pressure Triggeringmentioning

confidence: 99%

Using Microseismicity to Estimate Formation Permeability for Geological Storage of CO₂

Angus

Verdon

2013

ISRN Geophysics

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“…It has an extremely important role on the ultrasonic non-destructive measurement of stresses (Crecraft, 1967;Lu and Roy, 1996) and has wide application in the fields of geotechnical engineering, petroleum geophysics for the estimation of crustal stress (Crampin and Peacock, 2005;Tian and Wang, 2006;Winkler and McGowan, 2004).…”

Section: Introductionmentioning

confidence: 99%

Incremental algorithm for acoustoelastic theory of large static pre-deformed fluid-saturated porous media

Tian

Wang

2017

PCFD

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Abstract:The incremental acoustoelastic equations for fluid-saturated porous media (FSPM) under the large static pre-deformation are derived in this paper by incremental loading method based on classic acoustoelastic theory of FSPM, which provides quantitative acoustoelastic relation of FSPM with arbitrary constitutive equation. Isotropic FSPM with third-order constitutive equation are taken as an example to give the relation between wave velocity and confining pressure and discuss the effect of loading step on acoustoelastic relations of isotropic FSPM under closed-pore jacketed condition and opened-pore jacketed condition.

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“…SWS occurs during S wave propagation through an anisotropic medium as S waves are splitted into two components with perpendicular polarization directions and different propagation velocities (Crampin and Chastin, 2003;Crampin and Peacock, 2005). The two splitting parameters that can be measured through shear wave data processing defining the anisotropy are the polarization direction φ of the fast shear wave component and the time-delay dt between the two components.…”

Section: Introductionmentioning

confidence: 99%

The Crustal Anisotropy Pattern in the Epicentral Area of the 2008 Mw 6.4 Earthquake in Northwest Peloponnese, Greece

et al. 2017

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A review of shear-wave splitting in the compliant crack-critical anisotropic Earth

Cited by 162 publications

References 70 publications

Using Microseismicity to Estimate Formation Permeability for Geological Storage of CO₂

Using Microseismicity to Estimate Formation Permeability for Geological Storage of CO₂

Incremental algorithm for acoustoelastic theory of large static pre-deformed fluid-saturated porous media

The Crustal Anisotropy Pattern in the Epicentral Area of the 2008 Mw 6.4 Earthquake in Northwest Peloponnese, Greece

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A review of shear-wave splitting in the compliant crack-critical anisotropic Earth

Cited by 162 publications

References 70 publications

Using Microseismicity to Estimate Formation Permeability for Geological Storage of CO2

Using Microseismicity to Estimate Formation Permeability for Geological Storage of CO2

Incremental algorithm for acoustoelastic theory of large static pre-deformed fluid-saturated porous media

The Crustal Anisotropy Pattern in the Epicentral Area of the 2008 Mw 6.4 Earthquake in Northwest Peloponnese, Greece

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Using Microseismicity to Estimate Formation Permeability for Geological Storage of CO₂

Using Microseismicity to Estimate Formation Permeability for Geological Storage of CO₂