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Keywords: experiment
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1572
... ABSTRACT: The Sichuan Basin of southwest China is the host to an increasing number of earthquakes potentially linked to hydraulic fracturing of gas shales. The current major target reservoirs are in the lower Silurian Longmaxi formation. We report laboratory shear experiments on simulated...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1035
... to evaluate the volume fracturing effect of shale gas reservoirs. complex reservoir diffusion ability shale gas reservoir characterization structural geology hydraulic fracturing sichuan basin upstream oil & gas salt ion concentration experiment experimental study concentration...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1064
... experiments are conducted on dry Tennessee sandstone samples under triaxial stress condition ( σ V = 1500 psi, σ H = 3000 psi and σ h = 500 psi). Three types of cyclic injection protocols are experimentally investigated: (i) Pre-breakdown cyclic injection fracturing where fluid is injected...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1113
... upstream oil & gas correlation drillability grade log analysis drilling operation median grain size experiment compressive strength conglomerate formation mechanical properties gravel conglomerate core volume fraction conglomerate ARMA 21 1113 Experimental Study on the Influence...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1632
.... The authors report the outcomes of these experiments and discuss their implications in practice. 1. Introduction Rock dynamics is now one of the most important topics in the field of rock mechanics and rock engineering. The load bearing capacity of the rockbolts and rock anchors are governed by the shear...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1635
... by enriching degrees of freedom with special displacement functions. multistage fracturing laboratory tests simulation experiment stress shadow effect hydraulic fracturing model sequential hydraulic fracturing block 6 laboratory experiment hydraulic fracturing hydraulic fracture propagation...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1645
... reservoir fracture toughness investigation coal seam gas thickness characteristic coal measure shale reservoir plastic characteristic stress difference coalbed methane shale reservoir experiment experimental investigation reservoir ARMA 21 1645 The Experimental Investigation of Rock...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1677
... examining the experiment procedure and fracturing fluid than the initiation point in the wellbore, the operator has properties. little control on the direction of induced fracture, arising the need for methods to control the direction of hydraulic 2. EXPERIMENTAL SETUP fractures. Experiments...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1715
... The experiments were performed with a hydraulic fracturing simulation platform independently developed by the China University of Petroleum (Beijing). The loading is rigid, which can provide three-dimensional stresses and experimental temperature. The experimental frame is shown in figure 2. Fig.2 The hydraulic...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1725
... is 0.14. Fig.1. Experimental apparatus for true triaxial fracturing Fig.3 Schematic diagram of specimen structure simulation experiment system(Lv, 2019) MOI Si155 Sensing Instrument was used for the experiment. The instrument transmits a broad spectrum containing various wavelengths of light to the FBG...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1739
... sensors recorded and monitored the micro-seismic activity that was generated during the entire experiment. Finally, the experimental results were obtained by compiling these data. As noted earlier, this paper will focus on the analysis of the AE data, even though other data will also be used to support...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1852
... intact shaly caprocks. To this end, we perform laboratory experiments on supercritical CO2 injection into a caprock sample under representative subsurface conditions. We numerically simulate the process to provide a mechanistic interpretation of experimental observations. Overall, we find that CO2...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1895
... Geothermal Systems, EGS ) continues to present operational challenges. The research community and industry have shown great interest in addressing the unresolved problems using down-scaled in-situ hydraulic stimulation experiments. Focus has been on the 1–10 m field scale, but in comparison to a realistic...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1941
... properties through strictly experimental investigation and test. The mechanical properties of these samples were tested under the temperature of 25-200 °C and 0-50MPa confining pressure. Results showed that the mechanical properties of our "mortar rocks" were comparable to those of formation rocks, thus...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1233
... increased MDEM code was used. The parameters were calibrated with higher casing pressures (Figure 11n). Overall, the on the experiments of Taghipour et al. (2021). The results, simulations agree very well with the experimental results which agreed very well with the experimental (Figure 2). Some compromises...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1281
... cutter international journal wellbore design engineering efficiency rock mechanics thermal stress rock temperature characteristic topography experiment mass fraction water jet pdc cutter rock breaking ARMA 21 1281 Experimental analysis on rock failure mechanism under the joint action...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1303
... experiment hydraulic fracturing tight sandstone mpa fracture fluid dynamics sandstone loading process porosity beijing complex reservoir fracture type rock sample stress sensitivity recovery rate initial permeability recovery fractured sandstone reservoir wang permeability ARMA 21 1303...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1310
..." (Cornet et al., 2021), the original table of contents of which will be presented in a companion paper at the conference. reservoir characterization well logging induced seismicity international journal symposium hydraulic fracturing log analysis fluid injection experiment determination...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1321
... layer and black square represents bedding plane. 2. HYDRAULIC FRACTURING EXPERIMENT 2.2. Experimental Apparatus Analogs were widely used for studying the mechanical The hydraulic fracture experiments were conducted by behaviors of rocks (Niemeijer et al., 2008; Wang et al, using a true tri-axial...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1358
... is in line with the expected effect of acid-etched damage. Furthermore, the calculation results given by the constructed model are also compared with the experiments, which satisfies the situation where the relative error does not exceed 10%, indicating that the experimentally corrected model results have...

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