Geometric analysis and scaling relations of deformation bands in porous sandstone

Fossen, Haakon; Hesthammer, Jonny

doi:10.1016/s0191-8141(97)00075-8

Cited by 171 publications

(72 citation statements)

References 40 publications

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“…Similar sublinear power-law scaling relationships (dashed lines in Fig. 19) have been documented along terrestrial veins and dikes (Olson, 2003) and along deformation and compaction bands (Fossen and Hesthammer, 1997;Schultz et al, 2008b;Tembe et al, 2008;Schultz, 2009). Igneous dikes are also being discovered in high-resolution images of the Coprates Chasma region of Valles Marineris.…”

Section: Displacement-length Scaling On Marsmentioning

confidence: 59%

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Interpretation and analysis of planetary structures

Schultz

Hauber

Kattenhorn

et al. 2010

Journal of Structural Geology

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Section: Displacement-length Scaling On Marsmentioning

confidence: 59%

“…The resulting displacement profiles (e.g., Fig. 18) show that the maximum measured opening displacement occurs approximately at the center of the joint, indicating that mechanical interactions with adjacent fractures are minimal (e.g., Cartwright et al, 1995;Fossen and Hesthammer, 1997).…”

Section: Displacement-length Scaling On Marsmentioning

confidence: 99%

Interpretation and analysis of planetary structures

Schultz

Hauber

Kattenhorn

et al. 2010

Journal of Structural Geology

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“…The fracture aperture has been observed to follow lognormal distributions [136][137][138] and incorporated into the theoretical models [32,[139][140][141][142]. Some previous works show that fracture aperture exhibits a power law relationship with fracture length with the exponent varying from 0.5 to 2.0 [66,[143][144][145][146][147]. The nonlinear flow properties of fractures also depend on the magnitude of fracture aperture.…”

Section: Effect Of Fracture Aperturementioning

confidence: 99%

A Review of Critical Conditions for the Onset of Nonlinear Fluid Flow in Rock Fractures

Jiang

2017

Geofluids

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Selecting appropriate governing equations for fluid flow in fractured rock masses is of special importance for estimating the permeability of rock fracture networks. When the flow velocity is small, the flow is in the linear regime and obeys the cubic law, whereas when the flow velocity is large, the flow is in the nonlinear regime and should be simulated by solving the complex NavierStokes equations. The critical conditions such as critical Reynolds number and critical hydraulic gradient are commonly defined in the previous works to quantify the onset of nonlinear fluid flow. This study reviews the simplifications of governing equations from the Navier-Stokes equations, Stokes equation, and Reynold equation to the cubic law and reviews the evolutions of critical Reynolds number and critical hydraulic gradient for fluid flow in rock fractures and fracture networks, considering the influences of shear displacement, normal stress and/or confining pressure, fracture surface roughness, aperture, and number of intersections. This review provides a reference for the engineers and hydrogeologists especially the beginners to thoroughly understand the nonlinear flow regimes/mechanisms within complex fractured rock masses.

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“…Besides, in-site observations show that fracture aperture is also correlated with fracture length, following power law functions with the exponent in the range of 0.5-2.0 (Fossen and Hesthammer, 1997). However, only a few works focused on the distribution of apertures in 2-D and/or 3-D discrete fracture network models.…”

Section: Aperture Distributionmentioning

confidence: 99%

Geometrical, fractal and hydraulic properties of fractured reservoirs: A mini-review

Wei

Xia

2017

Adv. Geo-Energ. Res.

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Fractures and fracture networks play an important role in fluid flow and transport properties of oil and gas reservoirs. Accurate estimation of geometrical characteristics of fracture networks and their hydraulic properties are two key research directions in the fields of fluids flow in fractured porous media. Recent works focusing on the geometrical, fractal and hydraulic properties of fractured reservoirs are reviewed and summarized in this mini-review. The effects of several important parameters that significantly influences hydraulic properties are specifically discussed and analyzed, including fracture length distribution, aperture distribution, boundary stress and anisotropy. The methods for predicting fractal dimension of fractures and models for fracture networks and fractured porous media based on fractal-based approaches are addressed. Some comments and suggestions are also given on the future research directions and fractal fracture networks as well as fractured porous media.

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Geometric analysis and scaling relations of deformation bands in porous sandstone

Cited by 171 publications

References 40 publications

Interpretation and analysis of planetary structures

Interpretation and analysis of planetary structures

A Review of Critical Conditions for the Onset of Nonlinear Fluid Flow in Rock Fractures

Geometrical, fractal and hydraulic properties of fractured reservoirs: A mini-review

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