... analysis method can well reflect the influence of factors, which is consistent with the result of the range analysis method and variance analysis method. In addition, this method can also realize the quantitative sensitivity analysis of factors under different levels, which is essential for the surrounding...

... north america government sensitivity microseismicity configuration utah frontier observatory utah forge receiver downhole microseismic monitoring receiver configuration operation placement injection stimulation figure geothermal energy ARMA 22 0582 Downhole microseismic monitoring...

... ABSTRACT: In this work, the suitability of several meshing strategies to optimize the CPU time consumption is investigated. The mesh sensitivity strategy is established by applying the basic framework of a coupled hydro-gas-mechanical 3D FEM numerical model to simulate the tests in terms...

... fracturing fracture fracture characterization log analysis attenuation borehole waveform reservoir characterization propagation upstream oil & gas well logging stoneley waveform shear waveform borehole acoustic waveform sensitivity modeling fluid-filled fracture journal comparison...

... ABSTRACT: The objective of this study is to compare the laboratory sensitivity of the permeability of cylindrical plugs to variations in hydrostatic and directional stress to determine how different stress evolution trajectories may affect fluid flow for different rock types. To achieve...

... monitoring of selected borehole intervals and resulted in an adaptive monitoring network. accelerometer borehole amplitude reservoir characterization incidence angle experiment validation borehole upstream oil & gas sensitivity borehole wall hydraulic fracturing orientation injection...

... of events and the sensitivities of results to the different input parameters can be analyzed. In this manner, we can estimate the probabilities of generating an event of a certain magnitude based on the modelled injection scenario and parameter distributions. This type of modelling can be used to give...

... complex reservoir hydraulic fracturing wellbore design well decommissioning drilling operation casing and cementing cement failure cement annulus montney shale formation drillstem/well testing reservoir geomechanics upstream oil & gas sensitivity drillstem testing failure criterion...

... fracturing (DCIF) on the borehole surface by controlling the rock's thermoelastic contraction. The primary objective of this research paper is to presents select results on the applicability of the DCIF technology and sensitivity of horizontal principal stress (S Hmax and S hmin ) magnitudes...

... compressional and shear wave velocities (v p and v s ) at representative, key states of stress showed that under reservoir conditions versus under near-isotropic conditions, for Core A plugs Δv p ≈ +2.5–4% whereas for Core W plugs Δv p ≈ 0. The stress-sensitivity of v p is larger for macro- and mesoporous...

... in porous media drillstem/well testing reservoir depletion test site infinite model fracture reservoir geomechanics Modeling & Simulation Upstream Oil & Gas Drillstem Testing depletion breakthrough boundary condition sensitivity well interference permeability hydraulic fracturing...

... failure in the underground mines. Brazilian test was carried out to obtain indirect tensile strength of coal samples under seven different loading rates. It was confirmed that indirect tensile strength of the coals decreased with increase in loading rate. The sensitivity of indirect tensile strength...

... recognition of the losses enabled the team to document a comprehensive losses database. enhanced recovery orientation datapoint Reservoir Characterization Upstream Oil & Gas loss event abd rahim seismic fault sensitivity fault segment hydraulic conductivity hydraulically conductive...

... in making the shale permeable on a macroscopic scale.Permeability is also very sensitive to cracks. The ARMA 19 405 Experimental study on the anisotropy of shale with wave velocity and permeability Wang,X.Q., Wu,S., Ge, H.K., Chen H., and Wang J.B. Unconventional Natural Gas Institute, China University...

... and shotcrete fibre. Borehole Log stability bolt-reinforced in-stope pillar pillar metals & mining mesh aftershock seismic event destress cut Reservoir Characterization Upstream Oil & Gas sensitivity shotcreted in-stope pillar seismic event in-stope pillar fibre shotcreted in-stope...

.... The sensitivity sorting is concluded through orthogonal test on numerical simulation results: joint inclination angle > slope height > cut slope angle > angle of two free surface > angle between slope surfaces > layer thickness > included angle between the joint surface and the free face...

... reduction method was used to evaluate the stability of the slope. A sensitivity analysis was conducted to investigate the impact of fault geometry and thickness on the overall stability of the slope. It is found that the fault responds differently using each method. The lowest FOS value were observed...

... of the applicability and limitations of the algorithm. A preliminary inversion of one recorded event is included for demonstration. With much further sensitivity analysis and modeling improvements, the resulting slip profiles will provide a new tool for understanding the frictional strength and rupture behaviors...

... was also tested, following the same conditions. It was confirmed that indirect tensile strength of the rocks decreased with increase in humidity. The sensitivity of indirect tensile strength to humidity for arkose and fine grained sandstones was 12% or 29% larger than that for Kimachi sandstone...

... ABSTRACT: In very low-permeability rocks, hydraulic fractures can be prone to tensile rock failure caused by rapid pressure drop. This failure mechanism is sensitive to the rate of pressure drop rather than the rate of production and typically occurs when wells are initially set on production...