Quartz Sand Compaction

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Timeindependent compaction behavior of quartz sands

independent compaction behavior of quartz sands,J. Geophys. Res. Solid Earth, 119,936–956, doi:10.1002/ 2013JB010444. Received 16 JUN 2013 Accepted 3 JAN 2014 Accepted article online 8 JAN 2014 Published online 13 FEB 2014

Compaction creep data uniaxial compaction of quartz sand ...

Compaction creep data uniaxial compaction of quartz sand in various chemical environments We studied the effect of pore fluid chemistry on compaction creep in quartz sand aggregates, as an analogue for clean, highly porous, quartz-rich reservoir sands and sandstone.

Compaction creep of quartz sand at 400–600°C: …

15-02-2002· In this paper, we report isostatic compaction experiments performed on quartz sand at 400–600°C, a confining pressure of 300 MPa, pore fluid pressures of 150–250 MPa and using grain sizes of 30–100 μm, in an attempt to assess better the effect …

Impact of Chemical Environment on Compaction Creep of ...

Impact of Chemical Environment on Compaction Creep of Quartz Sand and Possible Geomechanical Applications M. T. W. Schimmel 1, S. J. T. Hangx , and C. J. Spiers1 1HPT Laboratory, Department of Earth Sciences, Faculty of Geosciences, Utrecht University, Utrecht, the Netherlands Abstract Induced seismicity and surface subsidence are adverse effects of natural gas and geothermal

Mechanisms of compaction of quartz sand at diagenetic ...

15-04-2004· (2) Cracking and grain rearrangement are the dominant compaction creep mechanisms in quartz sand at temperatures to 150°C and volume strain rates as low as 10 −10 s −1. At these conditions, strain achieved through pressure solution at loaded grain …

Mechanisms of compaction of quartz sand at diagenetic ...

The relative contribution of cracking, grain rearrangement, and pressure solution during experimental compaction of quartz sand at diagenetic conditions was determined through electron and optical microscopy and image analysis. Aggregates of St. Peter sand (255±60 μm diameter grain size and porosity of approximately 34%) were subjected to creep compaction at effective pressures of 15, 34.5 ...

Micromechanics of High‐Pressure Compaction in Granular ...

Micromechanics of High-Pressure Compaction in Granular Quartz Aggregates Suzanne J. T. Hangx1 and Nicolas Brantut2 1DepartmentofEarthSciences, ... and time- or rate-independent inelastic compaction, as well as time-dependent compaction creep, ... sand deformation exhibits continuous yielding with progressive compaction and hardening, ...

Impact of Chemical Environment on Compaction Creep of ...

We conducted uniaxial compaction experiments on quartz sand aggregates to investigate the effect of pore fluid chemistry on time‐dependent compaction (creep). In addition to a low‐vacuum (dry) environment, supercritical fluids (N 2 , CO 2 , and wet CO 2 ), simple aqueous solutions (three HCl solutions and a NaOH solution), and complex aqueous solutions with additives (AlCl 3 , AMP, and ...

Subcritical creep compaction of quartz sand at diagenetic ...

Compactional creep was measured for aggregates of quartz sand that were subjected to an effective pressure of 34.5 MPa and temperature of 150°C for times up to 6 months. The effects of grain size and water on creep were determined by loading quartz aggregates of 255 ± 60, 130 ±18, and 35 ± 12 μm grain size under nominally dry, water vapor, static liquid water, and flowing water conditions.

Chapter 2 COMPACTION CREEP OF QUARTZ SAND AT 400-600 ºC ...

Compaction creep of quartz sand at 400-600 °C: experimental evidence for dissolution-controlled pressure solution. Earth and Planetary Science Letters, 195(3-4): 261-275. Reprinted with permission from Elsevier. Abstract Intergranular pressure solution (IPS) is an important compaction and deformation mechanism in quartzose rocks,

Impact of Chemical Environment on Compaction Creep …

We conducted uniaxial compaction experiments on quartz sand aggregates to investigate the effect of pore fluid chemistry on time‐dependent compaction (creep). In addition to a low‐vacuum (dry) environment, supercritical fluids (N 2 , CO 2 , and wet CO 2 ), simple aqueous solutions (three HCl solutions and a NaOH solution), and complex aqueous solutions with additives (AlCl 3 , AMP, and ...

Mechanisms of compaction of quartz sand at …

The relative contribution of cracking, grain rearrangement, and pressure solution during experimental compaction of quartz sand at diagenetic conditions was determined through electron and optical microscopy and image analysis. Aggregates of St. Peter sand (255±60 μm diameter grain size and porosity of approximately 34%) were subjected to creep compaction at effective pressures of 15, 34.5 ...

Subcritical creep compaction of quartz sand at diagenetic ...

compaction experiments on quartz sand that reveal the effects of grain size and availability of pore water on the rate of compaction creep and thereby bear on the operative grain-scale mechanisms of creep. The experiments were conducted at 150 C and 34.5 MPa effective pressure for

Time-independent compaction behavior of quartz …

Topics: Compaction experiments on sands were combined with a microphysical model, Compaction seems to be controlled by contact asperity amplitude of the grain, Time-independent compaction of sands controls porosity during sediment burial, Geochemistry and Petrology, Geophysics, Earth and Planetary Sciences (miscellaneous), Space and Planetary Science

Subcritical creep compaction of quartz sand at …

Compactional creep was measured for aggregates of quartz sand that were subjected to an effective pressure of 34.5 MPa and temperature of 150°C for times up to 6 months. The effects of grain size and water on creep were determined by loading quartz aggregates of 255 ± 60, 130 ±18, and 35 ± 12 μm grain size under nominally dry, water vapor, static liquid water, and flowing water conditions.

Time‐independent compaction behavior of quartz …

Time‐independent volumetric compaction of sands (i.e., instantaneous compaction for which creep effects are negligible), by mechanisms such as grain rearrangement, grain rotation, intergranular sliding, elastic deformation, and grain breakage, plays an important role in determining porosity and permeability reduction during burial of clastic sediments [Antonellini et al., 1994; Burley, 1986 ...

Compaction of quartz sands by pressure solution using …

In contrast, Stephenson et al. described the occurrence of PPST of quartz sands in sedimentary basins, over long periods of time, as being a purely plastic compaction. Revil [1999] proposed a unified model, which takes the form of a poroviscoplastic (Voigt‐type) linear model with a single relaxation time associated with the mean grain size of the porous medium ( Figure 1 ).

Compaction microstructures in quartz grains and …

01-11-2007· P.M.T.M. SchutjensExperimental compaction of quartz sand at low effective stress and temperature conditions Journal of the Geological Society of …

SEM/EBSD analysis of quartz cementation and …

greater compaction of quartz sand during diagenesis likely indicates that a process of ductile deformation and grain rearrangement played a role during later diagenesis.

(PDF) Hydro-compaction of sand fills - ResearchGate

KEYWORDS: Compaction, sand fill, hydro-compaction, moisture . content, ... fill material is mainly composed of quartz sand particles (about 85%) and some feldspar. grains ...

Compaction of quartz sands by pressure solution using a ...

In contrast, Stephenson et al. described the occurrence of PPST of quartz sands in sedimentary basins, over long periods of time, as being a purely plastic compaction. Revil [1999] proposed a unified model, which takes the form of a poroviscoplastic (Voigt‐type) linear model with a single relaxation time associated with the mean grain size of the porous medium ( Figure 1 ).

Time-independent compaction behavior of quartz sands ...

Mechanisms such as grain rearrangement, coupled with elastic deformation and grain breakage, are believed to play an important role in the time-independent compaction of sands, controlling porosity and permeability reduction during burial of clastic sediments and during depletion of highly porous reservoir sandstones. We performed uniaxial compaction experiments on sands at room temperature to ...

Subcritical creep compaction of quartz sand at diagenetic ...

Compactional creep was measured for aggregates of quartz sand that were subjected to an effective pressure of 34.5 MPa and temperature of 150°C for times up to 6 months. The effects of grain size and...

Acoustic emission and compaction creep of quartz sand …

Previous compaction creep experiments on loosely packed, well-rounded quartz sand at subcritical effective pressure show that the rates of compaction increase with the presence of pore water, effective pressure (confining pressure minus pore pressure), and temperature due to …

Subcritical compaction and yielding of granular quartz sand

Cylindrical samples of water-saturated, initially loose, St. Peter quartz sand were consolidated using triaxial deformation apparatus at room temperature, constant fluid pressure (12.5 MPa), and elevated confining pressures (up to 262.5 MPa). The samples were deformed along four loading paths: (1) hydrostatic stressing tests in which confining pressure was monotonically increased; (2 ...

Compaction creep of quartz sand at 400–600°C: …

The aim of the present study is to test microphysical models for compaction creep by IPS against isostatic hot pressing experiments performed on quartz sand under conditions expected to favor pressure solution (confining pressure 300 MPa, pore water …

Thermal Conductivity of Quartz Sands by Thermo-Time …

In this research, thermal conductivities of three quartz sands were studied using a newly developed thermo–time domain reflectometry (TDR) probe. The test results revealed that thermal conductivity of quartz sands increased with compaction moisture content and dry unit weight. Higher quartz content also led to higher thermal conductivity.

Compaction microstructures in quartz grains and quartz ...

01-11-2007· P.M.T.M. SchutjensExperimental compaction of quartz sand at low effective stress and temperature conditions Journal of the Geological Society of …

Predicting Porosity through Simulating Sandstone ...

Quartz grains Nonquartz framework grains Matrix Rock Volumes (cm3) Bulk rock volume Quartz cement (for current time step) Quartz cement (cumulative) Nonquartz cement (cumulative) Rates (cm3/m.y.) Quartz cementation Nonquartz cementation Compaction Porosity Controls Copl—absolute porosity loss due to compaction (Ehrenberg, 1989)

What is the density of sand? - Quora

It depends on several factors. First, what's the density of the minerals that make up the sand in question. Keep in mind that Sand is a name refering to how big the grains are and not what they are made of. Though most sand is made either of Quar...