... metals & mining modeling diameter artificial intelligence rock fragmentation charge weight upstream oil & gas mbf model explosive charge seed waveform production blast blasthole reservoir characterization particle velocity blast vibration ppv test blast yang...

... cluster proppant flow hydraulic fracturing particle velocity fluid viscosity intersection angle tomac dynamic viscosity fracturing fluid fracture intersection angle transport behavior mesh size proppant cluster ARMA 21 15 Combined Effect of Fluid Viscosity and Intersection Angle...

... formation to wellbore created by modern stimulation methods. hydraulic fracturing simulation reservoir characterization particle velocity fracture network renewable energy sandia national laboratory interaction experiment lab scale study energetic gas stimulation upstream oil & gas...

... an efficient and safe perspective. Therefore, this article aims to contribute for mineral operations management on reducing rockfalls hazards. Reservoir Characterization rockfall attenuation curve Artificial Intelligence attenuation metals & mining particle velocity coefficient rock mass...

... of the fault is considered, the fault poroelastic stress with a steep gradient across the fault may also lead to asymmetric earthquake rupture propagation. modeling Earthquake seismicity particle velocity pre-seismic fault poroelastic stress rupture traction geophysical research Reservoir...

..., temperature rise slightly impairs the capacity meanwhile both the fluid and particle velocities increase, exerting better impinging effect of the abrasive jet. Besides, SC-CO 2 jet can fully carry particles with the diameter in the range of 0.1~2.4mm to form the abrasive SC-CO 2 jet. Particles with larger...

... particle velocity uniaxial compressive strength frame structure friction coefficient pillar diameter stiffness equation mpa 1. INTRODUCTION Rock burst is a spontaneous and uncontrolled failure of a brittle rock structure. As a result of rock burst in a pillar, in a very short period of time...

... of narrow channels with proppant. fracturing fluid concentration particle particle concentration proppant pressure drop rate lubrication coefficient fracturing materials Upstream Oil & Gas Simulation wide channel particle collision hydraulic fracturing particle velocity viscosity...

... ABSTRACT: This paper presents a linear scaled distance methodology to estimate peak particle velocity (PPV) originated from blasting rounds, developed specifically for tunneling and drifting operations. It considers input parameters that are characteristic of different rock mass qualities...

... limitations when the problem geometry is complicated and/or a greater number of influencing parameters are to be incorporated. Based on results of blasts monitoring, many empirical relationships have been presented which predict the peak particle velocity (PPV) at any points considering mostly two parameters...

... hydraulic fracturing microseismic effect petroleum production Upstream Oil & Gas residential structure ground motion peak particle velocity instrumentation frequency pseudo velocity response spectra vibratory response response spectra blast-induced ground motion drywall joint...

... Upstream Oil & Gas particle velocity metals & mining extraction geologically bounded pillar fracture closure rate shaft pillar quantify remnant mining remnant extraction hazard closure closure ratio remnant Reservoir Characterization quantification peak particle...

... stiffnesses of fractures is desirable for the optimization of oil and gas production and in the design of safe underground structures. reverse-time migration finite difference model compliance Reservoir Characterization fracture tip Imaging time step particle velocity snapshot Upstream Oil...

... accelerometers and velocity transducers. Pendulum shock tests resulted in a frequency based allowable particle velocity of 25 mm/s below 10 Hz and 100 mm/s above 40 Hz. knowledge management Reservoir Surveillance weather metals & mining particle velocity recognition production monitoring year...

... by multiple- hole surface blasts. The program is an inexpensive and relatively easy to use tool for predicting the principal blast vibration characteristics that determine damage and annoyance potential: peak particle velocity, frequency content and pulse duration. The program generates a complete ground...

.... SHOCK-WAVE-INDUCED FRAGMENTATION 981 14 ALUMi 12 PARTICLE VELOCITY, Up (kin ) Fig. 2 Shock Hugoniots (pressure versus particle velocity) for quartz monzonite and 2024 aluminum alloy (reversed). The mathematical treatment of shocks, based on the theory for fluids, was developed by Rankine (1870...

... of Missouri (6). Surface areas of the broken rock were calculated from particle size distributions determined by sieve analysis. Compressibility Factor correlation stress wave Ohio State University Upstream Oil & Gas particle velocity explosion pressure shock energy borehole pressure...

... investigators (Ambraseys and Hendron, 1968; Dowding, 1971). The amplitude of seismic waves and scaled distance were related by the inverse power law: (mathematical equation)(available in full paper) Here, V = particle velocity, D = distance, W = maximum charge per delay, and K and n are empirical constants...

... of Alabama ABSTRACT In order to answer some practical questions regarding the effects of surface mine blast on the underground mine directly or at some angle from the surface mine, a concentrated field research over a three year period revealed that: (1) The average transverse peak particle velocity (V T...

... in the vicinity of curing concrete. To study the effects of vibrations, a shaking table was built to produce peak particle velocities in the same frequency range as found in constructiong blasting. Standard six inch diameter concrete cylinders were molded and placed on the shaking table. Different sets...