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Keywords: resistance
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Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0263
... and researched in a novel fluid system with high specific gravity and high temperature resistance tailored for this reserve. In lab, the fluid systems is systematically evaluated in its temperature and shear resistance, friction reduction, gel breaking property and core damage rate and the residue...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1757
... ABSTRACT: Rock-socketed piles are designed to receive and transmit large concentrated loads to deeper stronger materials. Although the load transfer mechanism combines base and side resistances, the side shear resistance is usually mobilized at much lower strains than base resistance. The...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-244
... enough to cause a fast failure when subjected to overtopping. Engineering New Orleans reservoir simulation mechanism US government resistance retrofitting technique strength soil condition Hurricane Katrina canal levee levee adhikari th st london ave failure mechanism local failure...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-566
... workers. Engineering Martin shotcrete panel metals & mining installation sequence resistance US government Thickness macro-synthetic fiber fiber ground condition Surface Support proceedings requirement unreinforced shotcrete toughness displacement reinforcement mesh shotcrete...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0414
... experiment drilling fluids and materials borehole erosion erodibility Wellbore Design resistance erosion rate different flow rate erosion test instability erosion shear stress stream tube pipe turbulent flow equation 1. INTRODUCTION Borehole instability is a condition where the drilled...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0437
... this study is the relationship between stresses occurring at the particle scale and the constitutive response assumed in macro scale analyses. Upstream Oil & Gas resistance particle configuration stiffness frictional behavior state effect micromechanical modeling inter-particle...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0331
... of shafts. 1. INTRODUCTION Upstream Oil & Gas compressive load elasticity Reservoir Characterization resistance experiment tangential stiffness settlement regression equation shaft settlement rock mass interaction numerical simulation shaft interface Simulation...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0532
... exist and the bolts corrode within a few months after installation. To provide mining industry a corrosion resistant expandable bolt, Keystone Mining Services, LLC (KMS) analyzed corroded bolt samples, identified root causes, evaluated properties of various coating materials, and developed a new Python...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0510
... ABSTRACT: Lost circulation, a major challenge in well construction, is the loss of drilling fluid into formation caused by wellbore hydraulic fracturing. Wellbore strengthening techniques can be applied to mitigate lost circulation by generating resistance to the growth of induced or natural...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0763
... hydraulic fracturing fracture tip fracture tip asymptote asymptote aperture resistance viscosity toughness hydraulic fracture numerical result Upstream Oil & Gas tip asymptote regime crack tip fluid viscosity fracture propagation fracture aperture fracture toughness...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0740
... (intrinsic rock parameters depend on porosity, mineralogy, geological history, etc.) C, fluid loss (permeability, natural fractures, and choice of fluid loss control agents) KIC, toughness, which controls propagation at the tip of the fracture, resisting extension The two main operational parameters...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0628
... machine learning neural network ECR Reservoir Characterization Upstream Oil & Gas sample 4 Artificial Intelligence Neural Network Modeling MPa electrical resistance hydraulic fracturing resistance actual contact area real contact area sample 2 rock sample loading stress...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0897
... contact interface. Practical implications for pipeline engineering and off-road vehicle engineering are discussed. piping design Midstream Oil & Gas resistance piping simulation strip foundation limit load offshore pipeline Engineering cylinder Artificial Intelligence Geotechnique...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0075
... proppant fracturing materials Upstream Oil & Gas hydraulic fracturing strength Rock Shear Resistance corresponding influence shear stress shear stiffness shear resistance shear strength displacement Proppant Embedment Behavior Embedment relative movement peak shear strength...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-679
... reliability-based design of structures is the evaluation of the probability of the resistance of the structure being less than the effect of applied loads. Customary approaches to this assume the resistance and effect of load to be independent (i.e. one is not a function of the other). However, in rock...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-038
... properly stimulated or produced at significant rates. Completion Installation and Operations hydraulic fracturing Upstream Oil & Gas fracture length viscosity Injection Rate multiple fracture propagation stress shadow effect resistance variation fracture propagation perforation cluster...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-850
... Abstract Strata behaviors in some extra thick coal seams with fully-mechanized mining are fierce. In some circumstances, some hydraulic supports were still crushed even though their working resistance had been sharply increased beforehand comparing normal supports in medium-thick coal seams...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7055
... Abstract Fully grouted roof bolts increase the stability of a bedded mine roof by providing resistance to both vertical and horizontal displacements. The bolts provide suspension reinforcement from axial loads and lateral reinforcement from shear resistance effects. The lateral reinforcement...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7500
... constitutive law for the rock. This approach was chosen in order to include both restricted dilation and frictional slip. Key properties were varied in order to assess their impact on pullout resistance. Cox's analytical shear lag model over predicted the apparent nail-rock contact stiffness due to...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7771
... the rock sample inside the cell. The inner diameter of the cell is 2 ½ inches. Three adjustable scratchers are fixed at an angle of 120o to ensure average scratching of the rock sample. Scratch resistance load and scratching linear movement are recorded by the compression machine. The rock sample and...

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