ISBN: 978-1-63439-523-6

48th US Rock Mechanics / Geomechanics Symposium 2014

Minneapolis, Minnesota, USA 1 - 4 June 2014

Volume 1 of 3

Editors: J. F. Labuz

Printed from e-media with permission by:

Curran Associates, Inc. 57 Morehouse Lane

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Some format issues inherent in the e-media version may also appear in this print version. Copyright© (2014) by the American Rock Mechanics Association All rights reserved. Printed by Curran Associates, Inc. (2014) For permission requests, please contact the American Rock Mechanics Association at the address below. American Rock Mechanics Association Peter Smeallie, Executive Director 600 Woodland Terrace Alexandria, Virginia 22302-3319 Phone: (703) 683-1808 Fax: (703) 683-1815 smeallie@armarocks.org Additional copies of this publication are available from: Curran Associates, Inc. 57 Morehouse Lane Red Hook, NY 12571 USA Phone: 845-758-0400 Fax: 845-758-2634 Email: curran@proceedings.com Web: www.proceedings.com

Acoustic Emission

Paper Title6973 Interpreting Post-Injection Acoustic Emission in Laboratory Hydraulic Fracturing Experiments 1

A.P. Bunger, J. Kear, A.V. Dyskin, E. Pasternak7041 Cumulative Volumetric Deformation of a Hydraulic Fracture using Acoustic Emission and

Micro-CT Imaging 9 J.C. Hampton, D. Hu, L. Matzar, M. Gutierrez

7080 Source Parameters of Acoustic Emission Observed in Laboratory and Mine Environments 24 S.D. Goodfellow, M.H.B. Nasseri, R.P. Young

7163 AE monitoring of Hydraulic Fracturing Experiments in Granite Blocks Using supercritical CO2,Water and Viscous Oil 31 S. Inui, T. Ishida, Y. Nagaya, Y. Nara, Y. Chen, Q. Chen

7345 Crack damage evaluation of crystalline rocks by means of Acoustic Emission technique 37 E. Ghazvinian, M.S. Diederichs, D. Labrie, A. Bandini, P. Berry

7442 Fracturing tests on reservoir rocks: Analysis of AE events and radial strain evolution 45 S. Pradhan, A.M. Stroisz, E. Fjær, J. Stenebråten, H.K. Lund, E.F. Sønstebø, S. Roy

7514 Estimating Seismic Energy Release and Surface Area Generation: Implications for InterpretingHydraulic Fracture Behavior 50 A. Cochrane, T.I. Urbancic, A.M. Baig

7528 Monitoring Cracking Process of Gypsum by Means of Acoustic Emission and High SpeedCamera Imaging 56 Z. Moradian, H.H. Einstein

7530 Seismic Event Location and Source Mechanism Accounting for Complex Block Geology andVoids 63 D.S. Collins, I. Pinnock, Y. Toya, V. Shumila, C.-I. Trifu

7547 Probabilistic Modeling of Hydraulic Fracturing Induced Microseismicity in Shale Plays: AnIntegrated Approach Using a Coupled Flow and Geomechanical Model 70 V. Sen, M. Nassir, A. Settari

7623 Coupling Distributed Temperature Sensing (DTS) based Wellbore Temperature Models withMicroseismic Data for Enhanced Characterization of Hydraulic Fracture Stimulation 76 Christopher L. McCullagh, Azra N. Tutuncu

7747 Modeling Induced Seismicity in 4D 91 Eduardo. A. Cordova, Michael. G. Nelson

7774 A Review of Hydraulic-Fracture Induced Microseismicity 98 N.R. Warpinski

7775 Acoustic Emission Monitoring of Heterogeneous Rock Hydraulic Fracturing 110 S. Stanchits, E. Edelman, R. Suarez-Rivera, J. Burghardt, A. Surdi

2014 ARMA

CO2 Sequestration

Paper Title6977 A fully coupled model for caprock sealing efficiency 121

Yan Peng, Jishan Liu, Zhejun Pan, Luke Connell, Zhongwei Chen7077 Laboratory testing of shale rock specimens to assess thermal fracturing risk in caprock

surrounding injection wells 128 P. Cerasi, A.M. Stroisz, L.E. Walle, A. Lavrov

7112 Evolution of Mechanical and Hydraulic Properties in Sandstone Induced by Mineral Trapping 134 H. Yasuhara, N. Kinoshita, S. Nakashima, K. Kishida

7128 Effect of Carbon Sequestration on the State of Stresses in Ductile Formations 139 S.A. Akl

7155 A modeling approach in FLAC to predict hydro-mechanical response of subsurface storagereservoirs due to CO2 injection 147S.H. Prassetyo, M. Gutierrez

7172 Forward and inverse modeling of ground surface uplift at In Salah, Algeria 159 A.P. Rinaldi, J. Rutqvist, S. Finsterle, H.H. Liu

7187 Field Monitoring and Modeling of CO2 Injection into an Unmineable Coal Seam 170 R.K. Gondle, H.J. Siriwardane

7463 The effect of CO2-related diagenesis on geomechanical failure parameters: fracture testing ofCO2-altered reservoir and seal rocks from a natural analog at Crystal Geyser, Utah 176 J.R. Major, P. Eichhubl, T.A. Dewers, A.S. Urquhart, J.E. Olson, J. Holder

7485 Impact of Reservoir Properties on Magnitude of Seismic Events Induced due to CO2 Injection 181 K. Mortezaei, F. Vahedifard

7529 Brine permeability through reservoir rocks under geo-sequestration conditions 188 G.P.D. De Silva, P.G. Ranjith, M.S.A. Perera

Copyright 2014 ARMA

Constitutive Response

Paper Title7093 Numerical Investigation of Rock Mass Behavior Associated with Confinement-Dependent

Strength in Brittle Failing Rocks 194 B.-H. Kim, M.E. Pierce, E.J. Dzik

7152 Numerical simulations of localized deformation in a high-porosity carbonate 200 A. Das, G.G. Buscarnera

7286 True triaxial tests in two porous sandstones: experimental failure characteristics and theoreticalprediction 208 X. Ma, J.W. Rudnicki, B.C. Haimson

7397 Effects of Cementation on In Situ and Core Compaction of Soft Sandstone 214 R.M. Holt, J.F. Stenebråten, M. Brignoli

7398 A creepy model for creep 223 E. Fjær, A. Bauer, I. Larsen, R.M. Holt

7399 Failure Mechanics of Anisotropic Shale during Brazilian Tests 228 N.D.J. Simpson, A. Stroisz, A. Bauer, A. Vervoort, R.M. Holt

7405 Size Effects on Triaxial Testing from Sidewall Cores for Petroleum Geomechanics 241 D.A. Moronkeji, U. Prasad, J.A. Franquet

7504 Thermally Induced Compaction of Shales 250 A. Bauer, R.M. Holt, J. Stenebråten, E.F. Sønstebø, L. Marøen

7506 Failure of Shales under Triaxial Compressive Stress 258 J. Ambrose, R.W. Zimmerman, R. Suarez-Rivera

7682 Characterizing Damage Evolution and Yield Surfaces for Berea Sandstone under TriaxialLoading as a Function of Effective Pressure 269 R.C. Choens, F.M. Chester

2014 ARMA

Drilling Mechanics

Paper Title7029 Numerical simulation of percussive drilling and challenges in its modification 281

K. Hashiba, Y.Z. Liang, K. Fukui7031 Customization of Sepiolite Based Drilling Fluids at High Temperatures 288

Gursat Altun, Ali Ettehadi Osgouei, Mustafa Hakan Ozyurtkan7063 Computer Simulation and Analysis of Rock Breaking Process by Rock Bit Cutters 295

A. Wu, L. Lei, G. Hareland7108 Experiments on stick-slip vibrations in drilling with drag bits 301

Y. Kovalyshen7351 Analysis of the Contact Forces on a Blunt PDC Bit 306

Yaneng Zhou, Emmanuel Detournay7387 The wear mechanisms of impregnated diamond bits 315

M. Mostofi, L. Franca7401 Shale smearing at the borehole wall during drilling 319

M. Torsæter, J. Todorovic, J.F. Stenebråten, E. Fjær, G.K. Gabrielsen7451 Analytical Solution for Rock Cutting Taking Into Account Backrake, Siderake, Confining

Pressure and Cutter Bluntness 324 D.D.E.F. Melo, S.A.B. Fontoura, A.M.B. Braga

7458 The Effects of Size, Chamfer Geometry, and Back Rake Angle on Frictional Response of PDC 333 B. Akbari, S.Z. Miska, M. Yu

7465 Influence of High Velocity Jet on Drilling Performance of PDC Bit under Pressurized Condition 343H. Khorshidian, S.D. Butt, F. Arvani

7479 Perturbation to Borehole Trajectory across an Interface 349 Julien Marck, Emmanuel Detournay

7724 Finite Element-Based Numerical Modeling of Fracture Propagation due to the Plunge of aSpherical Indenter 355 A. Paluszny, R.W. Zimmerman, J.F. Potjewyd, B. Jarvis

7751 Investigation of Enhancing Drill cuttings Cleaning and Penetration Rate Using CavitatingPressure Pulses 362 Sadegh Babapour, Stephen D. Butt

7771 Applications of Rock Scratching Tests in Borehole Instability 368 Imtiaz Ali, Musaed N.J. Al Awad

Fracture Mechanics

Paper Title7068 Application of DEM for modelling crack initiation and propagation in rock masses with open

and closed flaws 373 Z. Aliabadian, M. Sharafisafa

7071 Interaction of multiple fluid-driven fractures with pre-existing discontinuities 380 J.A.L. Napier, A.P. Peirce

7100 Stochastic Microcracks Simulation by Distinct Element Modeling 388 Wenjing Li, M.Y. Soliman

7101 Simulation of dynamic fracture in rock with discretized virtual internal bond 396 Zhennan Zhang, Yaxiong Chen, Ahmad Ghassemi

7126 Integrated Study on Tensile Fracture Mechanics and Subsequent Flow in Naturally-FracturedNiobrara Shale 401 M. Mokhtari, A.N. Tutuncu, H. Kazemi

7129 Modeling dynamic stimulation of geological resources 414 B.W. White, O.Y. Vorobiev, S.D.C. Walsh

7147 Numerical simulation of rock blasting 422 M.A. Lanari, A. Fakhimi

7208 Discrete Element Modeling of the Failure Process of Brittle Rock 430 K. Duan, C.Y. Kwok, L.G. Tham

7391 Experimental and numerical analyses of characteristic lengths in the failure of quasi-brittlematerials 438 Vincent Lefort, David Grégoire, Gilles Pijaudier-Cabot, Peter Grassl

7404 A Stabilized Finite Element Approach to Model Contact Conditions in Fractured SubsurfaceMedia 449 Chandrasekhar Annavarapu, Randolph Settgast, Scott Johnson, Pengcheng Fu, Eric B. Herbold

7426 Complex variables BEM modeling of three-dimensional crack problems 457 D.V. Nikolskiy, S.G. Mogilevskaya

7448 The assessment of crack surface friction on crack tip’s stress intensity factor (SIF) using XFEM 462

E. Riazi, M. Yazdani, M. Alitalesh7467 On the Temporal Stress Field of the Active Fault System by Boundary Element Method – A

Case Study of Central Taiwan Area for 1935-1999 468 K.J. Shou, C.W. Chen

7549 Assessment of Thermal Fracturing in Tight Hydrocarbon Formation Using DEM 474 S. Enayatpour, T.W. Patzek, R. Khaledialidusti

7622 Scaling of Fatigue Crack Kinetics of Sandstone 482 J.-L. Le, L. Manning, J.F. Labuz

7767 The Evolution of Polygonal Fault Systems: Insights from Geomechanical Forward Modeling 488 D.T. Roberts, A.J.L. Crook, J.A. Cartwright, M.L. Profit, J.M. Rance

2014 ARMA

Geothermal Systems

Paper Title6995 Crack propagation from a surface assisted by fluid pressure and cooling 503

X. Zhang, R.G. Jeffrey, B. Wu7148 Micro-mechanics of hydro-thermo-mechanical fracture propagation in granite 511

I. Tomac, M. Gutierrez7226 Numerical Simulations of Convection Cells in Sedimentary Basins with Application to

Geothermal Energy 518 C. Detournay, B. Hobbs

7525 Using a fully coupled, open-source THM simulator to examine the role of thermal stresses inshear stimulation of enhanced geothermal systems 525 J. Taron, S. Hickman, S.E. Ingebritsen, C. Williams

7722 Bimodal Depth Distribution of MEQs in the Newberry Geothermal Reservoir 534 Y. Fang, D. Elsworth, T. Cladouhos

7741 Thermo-Hydro-Mechanical Numerical Modeling of Stimulation and Heat Production of EGSReservoirs 543 A. Riahi, B. Damjanac, J. Furtney

2014 ARMA

Hydraulic Fracturing

Paper Title6962 Impact of the loading stress variations on transport properties of granular packs 552

A. Takbiri Borujeni, M. Kazemi, M. Tyagi6975 Multidisciplinary Study of Hydraulic Fracturing in the Marcellus Shale 558

Ghazal Izadi, Jean-Philippe Junca, Randall Cade, Tom Rowan6976 Numerical and Experimental Studies on Fracture Propagation at a Bi-material Interface and Its

Application to Hydraulic Fracturing 565 Guoyang Shen, Xinpu Shen, Suling Wang

6979 Poro-elasto-plastic Calculation on Fault Reactivation Caused by Hydraulic Fracturing in a FieldOffshore West Africa 571 Xinpu Shen, Guoyang Shen

6983 Hydraulic fracture propagation under steady state flow 577 Ahmad Pouya, Van-Linh Nguyen, Siavash Ghabezloo

6994 3D Coupled Poroelastic Analysis of Multiple Hydraulic Fractures 584 Reza Safari, Ahmad Ghassemi

7017 Impact of Discrete Fracture Network (DFN) Reactivation on Productive Stimulated RockVolume: Microseismic, Geomechanics and Reservoir Coupling 594 Jian Huang, Reza Safari, Sunil Lakshminarayanan, Uno Mutlu, Mark McClure

7028 Asymmetric hydraulic fracture mapping from tiltmeter 611 V. Pandurangan, Z.R. Chen, R.G. Jeffrey

7062 Robustness of Interference Fractures that Promote Simultaneous Growth of Multiple HydraulicFractures 620 A.P. Peirce, A.P. Bunger

7107 Hybrid FEM/DEM simulation of hydraulic fracturing in naturally-fractured reservoirs 626 A. Lavrov, I. Larsen, R.M. Holt, A. Bauer, S. Pradhan

7110 Simultaneous initiation of multiple transverse hydraulic fractures from a horizontal well 634 B. Lecampion, J. Desroches

7132 Effect of mechanical property anisotropy in shales and fracture spacing on fracture aperture 655 D.V. Gokaraju, A.P. Eckert

7138 The stress ratio effect on hydraulic fracturing in the presence of natural fractures 665 A. Pirayehgar, M.B. Dusseault

7164 Fracture Development and Mechanism in Shale Cores by Viscous Oil, Water and L-CO2injection 673 Z. Bennour, T. Ishida, Y. Nagaya, Y. Nara, Y. Chen, Q. Chen, Y. Nakayama, K. Sekine, Y.Nagano

7205 Upfront predictions of hydraulic fracturing and gas production in underexplored shale gasbasins: Example of the Posidonia Shale Formation in the Netherlands 678 J.H. TerHeege, M. Zijp, G. DeBruin, L. Buijze

7258 Tightly Coupled Fluid-Structure Interaction Computational Algorithm for Hydraulic FracturingSimulations 693 J.H. Bai, A. Lin

7316 Laboratory Measurement of Critical State Hydraulic Fracture Geometry 705 L.P. Frash, J. Hood, M. Gutierrez, H. Huang, E. Mattson

7365 Flow-coupled DEM simulation for hydraulic fracturing in pre-fractured rock 715 H. Shimizu, M. Hiyama, T. Ito, T. Tamagawa, K. Tezuka

7371 Flow of dense suspensions through fractures: Experimental and computational observation ofvelocity-field heterogeneity 722 R. Medina, J.E. Elkhoury, R.L. Detwiler, J.P. Morris, R. Prioul, J. Desroches

7381 Analytical Modeling on 3D Stress Redistribution and Fault Reactivation during HydraulicFracturing Stimulation 730 J. Ge, A. Ghassemi

7408 Understanding Heterogeneously Propped Hydraulic Fractures through Combined FluidMechanics, Geomechanics, and Statistical Analysis 737 J.P. Morris, N. Chugunov, G. Meouchy

7449 Geomechanical Consideration in Stimulated Reservoir Volume Dimension Models Predictionduring Multi-Stage Hydraulic Fractures in Horizontal Wells – Glauconite Tight Formation inHoadley Field 745 B.T. Maulianda, S. Chen, G. Hareland

7455 Measurement and analysis of full-scale hydraulic fracture initiation and fracture reorientation 751 R.G. Jeffrey, Z.R. Chen, X. Zhang, A.P. Bunger, K.W. Mills

7464 Displacement Discontinuity Method Modelling of Hydraulic Fracturing with Pre-ExistingFractures 762 L.M. Xie, K.-B. Min, B. Shen

7502 Effects of Stress and Intrinsic Anisotropy on the Development of Shear Fractures in ShaleFormations 771 D. Katsuki, M. Gutierrez, A. Tutuncu

7505 Step-Rate Injection Method for Fracture In-Situ Properties (SIMFIP): Monitoring fracturesstimulation efficiency 780 Y.G. Guglielmi, F. Cappa, J. Rutqvist, C.F. Tsang, J. Wang, H. Lançon, J. Durand, J.B.Janowczyk

7534 Physics-based Modeling of Hydraulic Fracture Propagation and Permeability Evolution ofFracture Network in Shale Gas Formation 785 H. Huang, E. Mattson

7539 Transmissivity anisotropy in rough-walled fractures: The combined influence of shear offsetand normal deformation 794 R.L. Detwiler, J.P. Morris

7540 Evaluation of Hydraulic Fractures Crossing Natural Fractures at High Angles Using a HybridDiscrete-Continuum Model 800 F. Zhang, N. Nagel, F. Sheibani

7542 Numerical Investigation of High Net Pressure and ISIP Values from Multi-Stage HorizontalWells in Unconventional Plays: Insights from Fully-Coupled Discrete Element GeomechanicalModeling 811 F. Sheibani, N. Nagel, F. Zhang

7556 Elastic and plastic mechanical properties of liquid-rich unconventional shales and theirimplications for hydraulic fracturing and proppant embedment: a case study of the NordeggMember in Alberta, Canada 822 A. Cui, K. Glover, R. Wust

7561 Laboratory Study for Pore Water Effect on Hydraulically-induced Fracture Behavior inUnconsolidated Sands 834 T. Ito, H. Narita

7589 Numerical Modeling of Non-Newtonian Fluid Injection into Dense Granular Media 839 L. Jin, F. Zhang, H. Huang

7758 Flow Rate Dependent Skin in Water Disposal Injection Well: Case Study 847 I.M. Mohamed, G.I. Block, O.A. Abou-Sayed, S.M. Elkatatny, A.S. Abou-Sayed

7759 A novel technique for assessment of fracture geometry and injection domain from falloff testsafter fractured injection of slurry: Case study 856 Mehdi Loloi, Ahmed Abou-Sayed, O.A. Abou-Sayed

7761 An Advanced, Integrated Simulator for Management of Produced Water Re-Injection inMultilayer Vertical or Horizontal Wells 863 S.M. Elkatatny, A. Farid, I. Mohamed, O.A. Abou-Sayed, G.I. Block

7763 Numerical Investigation of a Hydraulic Fracture Driven in Weak Poroplastic Formation 871 N.S. Sarris, P. Papanastasiou

7777 The effect of proppant size on hydraulic fracturing by a slurry 881 E.V. Dontsov, A.P. Peirce

2014 ARMA

In Situ Stress

Paper Title6987 The measurement and evaluation of the mechanical characteristics of the surrounding rock body

for deep buried chamber 892 Qiliang Guo, Lifeng Ding, Meng Guo, Bing Li

7053 Effects of Fractures and Faults on In Situ Stress Magnitudes 897 Chandong Chang

7169 Effective Stresses in the Hejre Field, North Sea 903 J.B. Regel, I. Orozova-Bekkevold, I.L. Fabricius

7197 An aleatory model for in-situ stress variability: application to two dimensional stress 917 K. Gao, J.P. Harrison

7438 BX CCBO in-situ stress measurements at earthquake prone areas in South African gold mines –a summary of mini-workshop on 13 Feb 2014 924 H. Ogasawara, H. Kato, G. Hofmann, D. Roberts, P. Piper, T. Clements, A.K. Ward, Y. Yabe,H. Yilmaz, R.J. Durrheim

7443 Toward an objective method of determining in situ stress from wellbore features 935 A.-P. Bois, M.-H. Vu

7445 The estimation of the maximum horizontal differential stress and its depth in the locallithosphere 948 Junshan Xu, Jianxin Wang, Congcong Xu

7466 Near-surface principal stress trajectories in Alpine valleys (Grimsel region, Switzerland) asinferred from exfoliation fracture plumose structure axes and numerical modeling 953 M. Ziegler, S. Loew, B. Valley, F. Amann

2014 ARMA

Novel Testing

Paper Title6964 A New Method to Determine Pore Compressibility 962

Kegang Ling, Jun He, Peng Pei6972 New Application of Rebound Hardness Numbers to Generate Logging of Unconfined

Compressive Strength in Laminated Shale Formations 972 J.S. Lee, L. Smallwood, E. Morgan

7004 Assessing Waviness from Televiewer for Incorporation within Defect Plane Shear StrengthModels 979 R.D.H. Thomas, A.M. King, J.M. Neilsen

7008 Laboratory approach to the study of dynamic and static bulk anisotropy in rock under highhydrostatic pressure by simultaneous P, S sounding and sample deformation measurements onspheres 988T. Lokají?ek, T. Svitek, M. Petružálek

7144 Non-Destructive Impulse Based Index Testing of Rock Core 995 A.P. Rathbun, S.R. Carlson, R.T. Ewy, P.N. Hagin, C.A Bovberg, G.N. Boitnott

7192 Application to intact rock of the Ottosen peak strength criterion 1002 A. El Matarawi, J.P. Harrison

7194 Characterizing uniaxial compressive strength using Bayesian updating 1009 N. Bozorgzadeh, J.P. Harrison

7269 Obtaining reliable estimates of intact tensile strength 1016 J.C. Langford, M.A. Perras

7484 A novel direct measurement of formation pore pressure 1024 J.C. Choi, J. Park, I. Viken, B. Bohloli, E. Skomedal, Ø. Godager, K. Borgersen, A.G. Casseres

7501 Surface spalling and the effects of boundary conditions 1030 A. Tarokh, J.F. Labuz, C.-S. Kao, A. Fakhimi

7723 A new method for reading local deformation of granular material by using light 1038 S. Akutagawa, A. Nishio, Y. Matsumoto, A. Takahashi, Y. Machijima

7731 Scale Effects on Deformability of Rock Mass by Different Methods in Himalayas 1044 Rajbal Singh

7757 The direct and Brazilian tensile strength of rock in the light of size effect and bimodularity 1052 H. Rafiei Renani, C.D. Martin

2014 ARMA

Poromechanics

Paper Title6968 Experimental study on permeability of a porous limestone under compressive stress 1061

S.Y. Xie, J.F. Shao7394 Estimation of reservoir stress effects due to injection of cold fluids: an example from NCS 1068

O.K. Søreide, S. Hansen, J. Stenebråten7532 Practical Laboratory Methods for Pore Volume Compressibility Characterization in Different

Rock Types 1075 M.A. Chertov, R. Suarez-Rivera

7545 Analysis of thermal-mechanical coupling models in different types of host rock for nuclearwaste repositories 1088 M.M. Pitts, M. Diederichs

7559 Calcarenite as a possible host rock for CO2 sequestration 1096 R.Y. Makhnenko, J.F. Labuz

Reservoir Mechanics

Paper Title6937 Stress change investigation during polymer-augmented waterflooding in channeled reservoirs 1102

Tadesse Weldu Teklu, John Akinboyewa, Waleed Alameri, Hossein Kazemi, Ramona M.Graves, Ali M. AlSumaiti

7022 A New Method to Determine Biot Coefficients of Bakken Samples 1115 Jun He, Kegang Ling

7202 A Novel Approach to Upscaling Elastic Moduli in Unconventional Reservoirs 1121 Maxwell J. Willis, Azra N. Tutuncu, Tom Bratton

7354 Numerical models for detection of fault reactivation in oil and gas fields 1132 J.C. Rueda, N.V. Noreña, M.F.F. Oliveira, D. Roehl

7360 Influence of Stress Anisotropy on Hydraulic Fracturing 1140 M. Vishkai, I.D. Gates, G. Hareland

7395 Representation of large scale network geometry with realistic apertures determined bymesoscale geomechanical modelling of a natural fracture system 1146 Q. Lei, J.-P. Latham, J. Xiang, P. Lang

7434 Modeling particle mobilization in unconsolidated formations due to fluid injection 1156 S. Ameen Rostami, A. Dahi Taleghani

7437 Correlating Geomechanical Properties of the Bakken Formation Rocks with Lithofacies andSequence 1166 P. Pei, J. He, K. Ling

7460 Fully coupled flow and geomechanics model for fractured porous media 1174 T.T. Garipov, M. Karimi-Fard, H.A. Tchelepi

7527 Effect of CO2 Injectivity on Enhanced Shale Gas Recovery 1183 Xiang Li, Derek Elsworth

2014 ARMA

Rock Physics

Paper Title6980 Characterizing Intact Rock Strength using Field Estimates and the Point Load Index Test 1193

R.D.H. Thomas7130 Processing of Neutron Diffraction Data for Strain Measurement in Geological Materials 1201

Y. Polsky, L. Dessieux, K. An, L. Anovitz, P. Bingham, J. Carmichael7154 Experimental investigation into the mechanical behavior of Gosford sandstone at different sizes 1210

H. Masoumi, M. Bahaaddini, G. Kim, P. Hagan7161 A new contact model for DEM analysis of rock 1216

Xiaobin Ding, Lianyang Zhang7190 Numerical Analysis of Acoustic Emissions, the Radiated Energy and their Moment Tensors in

Triaxial Deformation Tests 1224 D.R. Chorney, M. Grob, P. Jain, M. van der Baan

7388 Time Dependency Friction Factor of Rock Single Fracture under Slide-Hold-Slide Direct ShearExperiments 1231 K. Kishida, N. Tsuda, T. Yano, H. Yasuhara

7439 Insights into dynamic asperity failure in the laboratory 1237 P.A. Selvadurai, S.D. Glaser

7453 Challenges in Determination of Brazilian Test Rock Specimens Surface Displacements byUsing Digital Image Cross Correlation 1248 M.R. Razavi, A. Pourkand, N. Mojtabai

7487 Geophysical Investigation of Shear Failure along Cohesive-Frictional Rock Discontinuities 1253 A. Hedayat, L.J. Pyrak-Nolte, A. Bobet

7488 Numerical simulation of rock-loading machine interaction 1262 B. Hemami, A. Fakhimi

7494 Elastic waves that propagate along fracture intersections 1269 B.C. Abell, L.J. Pyrak-Nolte

7510 An unload-induced direct-shear model for dynamic triggering of frictional slip on a rockfracture filled with granular materials 1279 Wei Wu

7531 Wave-guiding between Fractures in Transversely Isotropic Matrix 1284 S.S. Siyi Shao, L.J. Pyrak-Nolte

7614 Compaction: Models for Prediction from Thin Section Data 1291 M.T. Myers, L.A. Hathon

7626 A micromechanical analysis on permeability evolutions of a dilatant shear band 1305 WaiChing Sun, Matthew R. Kuhn, John W. Rudnicki

7772 Numerical Simulation of Strength and Deformation Behavior of Inherently Anisotropic Rocks 1311 C.Y. Kwok, K. Duan, L.G. Tham

Salt Mechanics

Paper Title6949 Micro-Macro Modeling Approach for the Triggering of Viscous Fatigue Damage in Halite

Polycrystals under Cyclic Loading 1318 A. Pouya, C. Zhu, C. Arson

6959 Using Microstructure Descriptors to Model Thermo-mechanical Damage and Healing in SaltRock 1324 C. Zhu, C. Arson

7002 Case Study of the Impact of Prior Cavern Abandonment on Long-Term Oil Storage at aStrategic Petroleum Reserve Site 1334 S.R. Sobolik, A.S. Lord

7009 Improved lab tests for cavern design 1345 Uwe Düsterloh, Karl-Heinz Lux

7012 Micromechanics of Isochoric Salt Deformation 1360 Frank D. Hansen

7027 Comparison of evolutionary and static modeling of stresses around a salt dome: The importanceof modeling the past 1369 M.A. Nikolinakou, M.R. Hudec, P.B. Flemings

7032 Long-term behavior of salt caverns 1376 P. Bérest, B. Brouard

7036 Modeling of the mechanical and hydraulic behavior of salt rocks on a discontinuum-mechanicalbasis 1385 M.A. Knauth, W. Minkley

7037 A Crushed-Salt Model with Creep, Compaction and Strain Softening, and Application toTailings Heaps 1395 C. Lüdeling, W. Minkley

7039 Cavern design based on improved lab tests as well as field measurements 1403 K.-H. Lux, U. Düsterloh

7040 Potential Use of Geologic Rock Salt for Fuel Cycle Sustainability - a Computational ModelingPerspective 1418 J.G. Argüello

7047 Experimental Determinations of Thermophysical Properties of Reconsolidated Crushed Salt 1428 S.J. Bauer, A. Urquhart, S.T. Broome, F.D. Hansen

7051 Steady state-creep of rock salt - Improved Approaches for Lab Determination and Modeling todescribe transient, stationary and accelerated creep, dilatancy and healing 1438 R.-M. Günther, K. Salzer, T. Popp, C. Lüdeling

7052 A very slow creep test on an Avery Island salt sample 1447 P. Bérest, J.F. Béraud, H. Gharbi, B. Brouard, K. DeVries

7054 Geomechanical modeling of repositories for nuclear waste disposal in rock salt formations 1455 S. Fahland, S. Heusermann, A. Schäfers

7088 Reconsolidation of Crushed Salt to 250°C Under Hydrostatic and Shear Stress Conditions 1463 S.T. Broome, S.J. Bauer, F.D. Hansen

7122 Mechanical Behavior of Salt Rock at Elevated Temperature 1473 Mehdi Ostadhassan, Naser Tamimi

7206 Long-term analysis of thermal-hydraulic-mechanical processes in a generic salt repository forhigh-level nuclear waste 1481 L. Blanco Martín, J. Rutqvist, J.T. Birkholzer

7411 Comparison of two modeling procedures to evaluate thermal-hydraulic-mechanical processes ina generic salt repository for high-level nuclear waste 1492 L. Blanco Martín, J. Rutqvist, J.T. Birkholzer, R. Wolters, M. Rutenberg, J. Zhao, K.-H. Lux

7459 Creep constitutive modeling applied to the stability of pre-salt wellbores through salt layers 1505 P.A.L.P. Firme, D.M. Roehl, C. Romanel, E. Poiate Jr, A.M. Costa

7473 Micromechanics of halite investigated by 2D and 3D multiscale full-field measurements 1515 A. Gaye, M. Bornert, N. Lenoir, K. Sab, A. Dimanov, M. Bourcier, E. Héripré, J. Raphanel, H.Gharbi, D. Picard, W. Ludwig

7482 Study of cyclic loading effects on the creep and dilation of natural rock salt 1523 L.A. Roberts, S.A. Buchholz, K.D. Mellegard, U. Düsterloh

7499 Numerical modeling of wellbore closure by the creep of rock salt caprocks 1533 B. Orlic, L. Buijze

7756 Comparison of Triaxial Strength Tests of 'Clean Halite' and 'Argillaceous Halite' from the WIPP 1541

C. Missal, I. Döring, J. Stahlmann

0-

Shale Mechanics

Paper Title6967 A micromechanical model for ductile porous composites with debonding damage 1548

W.Q. Shen, J.F. Shao, D. Kondo7014 3D Analysis and Engineering Design of Pulsed Fracturing in Shale Gas Reservoirs 1555

Reza Safari, Jian Huang, Uno Mutlu, Jonathan Glanville7072 On the water retention behaviour of shales 1567

A. Ferrari, V. Favero, L. Laloui7355 An elasto-plastic-damage model for quasi-brittle shales 1572

F. Parisio, S. Samat, L. Laloui7727 The Effect of Bedding Plane Orientation on Crack Propagation and Coalescence in Shale 1580

S.P. Morgan, H.H. Einstein

Copyright 2014 ARMA

Site Characterization

Paper Title6992 Monitoring of the Boguchany concrete dam rock foundation condition 1590

A.N. Volynchikov, V.K. Vavilova7038 Probabilistic Analysis of Tetrahedral Rock Block 1596

C.F. Leung, X.G. Jiao, G.P. Ong7042 A sequential Gaussian simulation approach to modelling rock mass heterogeneity 1604

J.M. Mayer, D. Stead, I. de Bruyn, M. Nowak7104 A re-examination of the Joint Roughness Coefficient (JRC) and its correlation with the

roughness parameter Z2 1615 Y. Gao, L.N.Y. Wong

7159 Study on rock mass classification method based on geological investigation in NATM 1623 K. Kamemura, K. Okazaki, Y. Ito

7168 A New Method for Estimating 3D Rock Discontinuity Roughness from a Terrestrial LiDARData using Slope Angles of Triangular Facets 1630 Yodit A. Asmare, Larry D. Stetler, Zbigniew J. Hladysz

7171 Shear tests on artificial joints - Experimental and numerical evaluation of scale effects 1635 J.E. Menezes

7348 Block size distributions as a rockmass classification tool 1642 C. Palleske, M.S. Diederichs, D.J. Hutchinson, D. Elmo

7384 Experimental study of the shear behavior of rock joints under constant normal load and constantnormal stiffness conditions 1650 M. Bahaaddini, J. Saymontry, H. Masoumi, P. Hagan, Shahid Bahonar

7424 Conversion of Point Load Test Results to Conventional Strength Tests for Shale, Claystone andLimestone Rocks 1657 A. Osouli, B. Moradi Bajestani, I. Shafii, K.S. Singh

7454 Three-Dimensional Roughness Characterization of Rock Joints using Laser Scanning and WindDiagrams 1665 S.L. Adams, M.M. MacLaughlin, KG. Berry, M.L. McCormick, S.M. Berry, M. McGough, N.Hudyma

7489 Quantifying rockmass behavioral uncertainty for geotechnical baseline reports 1675 M.C. van der Pouw Kraan, M.S. Diederichs

7511 Vector approach to estimating fracture trace parameters 1685 M. Mauldon

7537 Component and system deformation properties of complex rockmasses with healed structure 1691 J.J. Day, M.S. Diederichs, D.J. Hutchinson

Slopes and Rock Falls

Paper Title6978 Stability of Jointed Rock Slopes Subjected to Obliquely Incident P Waves 1702

Jeen-Shang Lin, Jing-qi Huang, Li-yun Li, Xiu-li Du7007 Evolution of methods of arch dams stability analysis 1706

Yu.B. Mgalobelov7094 3D Simulation of Tsunami Wave Induced by Rock Slope Failure Using Coupled DDA-SPH 1712

Roozbeh Geraili Mikola, Nicholas Sitar, Edward G. Cahill, John R. Cahill7158 A laboratory test on rockfall impacts - coefficient of restitution and rotational motions 1721

T. Nishimura, M. Kohno, K. Kitasako, Y. Ikezoe7177 Comparison of Lumped Mass and Rigid Body Rockfall Simulation Models for the Mardin

Castle, Turkey 1727 N. Dadashzadeh, H.S.B. Duzgun, A. Bilgin, N. Yesiloglu-Gultekin

7307 Physical Model Study of Rotational Failure Modes of Rock Blocks 1736 Andrew J. Atry, M. Ronald Yeung

7326 Investigation of the Initiation of the Hsien-du-shan Rock Avalanche in Taiwan Using DDA 1744 J.H. Wu, J.H. Chen, D.H. Lee

7358 A Numerical Analysis of Stress Path and Rock Mass Damage in Open Pit Rock Slopes 1750 F.I. Duran, M.S. Diederichs, D.J. Hutchinson

7374 Modelling the relation between failure kinematics and slope damage in high rock slopes using alattice scheme approach 1759 M. Havaej, D. Stead, J. Mayer, A. Wolter

7375 Consideration of lidar and photogrammetric data analysis resulting from challenging datacollection 1767 C. Kennedy, D.J. Hutchinson, M. Lato

7386 Evaluation of Minimum Safety Factor through Cut-Slope Infiltration Analysis 1776 Jung-Yub Lee, Jong-Hyun Rhee, Sang-Hee Shin, Young-Suk Oak, Ho-Bon Koo

7596 Evaluation & Mitigation of Icefall Hazards Emanating from Rock Slopes 1783 D.J. Scarpato

7629 Rock Mechanics Considerations in the Design of Folsom Auxiliary Spillway Approach Channel 1790

Erik Newman, Michael Forrest, Carlos Jaramillo, Kylan Kegel, Jeffrey Wisniewski7746 Pillar mountain landslide; failure mechanism update 1797

P. Schlotfeldt, R. Tart Jr., B. Panton, R. Dugan

2014 ARMA

Transport and Hydrogeology

Paper Title6984 Identifying Fractures in Tight Rocks Using Permeability Test Data 1806

Kegang Ling, Jun He, Peng Pei, Xiao Ni7021 Modeling of stress-induced permeability change with progressive damage in intact rock using a

micro-mechanical approach 1814 K. Farahmand, M.S. Diederichs

7201 Effect of Variability on Average Rock-Mass Permeability 1822 J. Raymer, N.H. Maerz

7353 Numerical Study of Directional Permeability of Fractured Rock Masses Using Two-dimensional Discrete Element Method 1830 Xiaoshan Wang, Yujing Jiang, Bo Li, Richeng Liu

7380 Derivation and comparison of new approaches for boundary constraints in numericalsimulations of water flow in heterogeneous media using Numerical Manifold Method 1836 M.S. Hu, Y. Wang, J. Rutqvist

- 2014

Tunnels and Caverns

Paper Title7097 Development of Grouting Management Support System and its Application to an Underground

Structure 1847 Shinji Utsuki, Masashi Nakaya, Sumiyuki Sawada, Yoshitada Mito

7114 Geomechanical assessment of the long term stability of old underground mined cavern storages 1853 S. Laurent, C. Couralt

7195 Assessing unpredictability in the absence of objective data: an example using underground rockwedge instability 1864 G.F. Gambino, J.P. Harrison

7392 Numerical investigation of steel corrosion and its influence on the long behaviour ofunderground radioactive waste disposal cell 1870 G. Duveau, Y. Jia, J.F. Shao, H.B. Bian

7418 Impact of Operational Pressure Cycles on the Long-Term Stability of Underground StorageCaverns 1880 Samrat Mohanty, Tom Vandergrift

7452 Semi-Analytical Model of an Umbrella Arch Employed in Hydrostatic Tunnelling Conditions 1887 J. Oke, N. Vlachopoulos, M.S. Diederichs

7493 Design of Rock Mass Excavations - New Guidelines from the Swedish TransportAdministration 1896 U. Lindfors, J. Sjöberg, P. Vedin, R. Swindell, L. Rosengren, M. Holmberg, B. Stille

7523 Numerical Analyses of Sequential Tunneling in Chicago Glacial Clays 1905 A. Osouli, S.K. Lakkaraju, S. Zamiran

7566 The Material Point Method for analysis of closure mechanisms in openings and impact insaturated porous media 1912 A.L. Muller, E.A. Vargas Jr.

Copyright 2014 ARMA

Underground Mining

Paper Title6952 Action of Fully Grouted Rock Bolts with Pull-and-Shear Loading 1921

Yu Chen6997 A simplified model of local fracture processes to investigate the structural stability and design

of large-scale tabular mine layouts 1928 J.A.L. Napier, D.F. Malan

7044 Logistic Regression in Hard Rock Pillar Design 1937 A.M. Tomory, J. Carvalho, M. Kowalczyk, B. Tomory

7055 Lateral Reinforcement of Fully Grouted Roof Bolts in a FLAC3D Simulated Coal Mine Entry 1945 M.M. Murphy, G.S. Esterhuizen, I.B. Tulu

7066 A Multi-scale Approach to Mining Tabular Deposits 1954 W.G. Pariseau

7074 Analysis of factors influencing coal mine intersection stability 1968 G.S. Esterhuizen, I.B. Tulu, T. Klemetti

7089 Investigation of rock bolts in karst 1978 D. Marcic, M.S. Kovacevic, M. Bacic

7121 Application of Numerical Modelling to Predicted Seismic Probability and Mitigate AssociatedRisks during the Craig Pillar Extraction at Morrison Mine, KGHM International 1987 K.S. Kalenchuk, A.M. Crockford, C.D. Hume, N. Milner, J. Watson

7133 Using Field Measurements to Quantify the Post-Failure Behavior of Coal 1999 Li Kaifang, K.A. Heasley

7199 Methodology for Stability Analysis of Large Room-and-Pillar Panels 2006 B. Damjanac, M. Pierce, M. Board

7357 Estimating the distribution of salt cavern squeeze using subsidence measurements 2014 P.A. Fokker, J. Visser

7413 Particle Flow Modeling of Roof Deformation for a Room-and-Pillar Coal Mine 2024 A. Russell, E. Gilliland, E. Westman

7423 Rock Mass Characterization for Roof Control Design 2032 A. Osouli, I. Shafii, B. Moradi Bajestani, S. Zamiran, K.S. Singh

7507 A Fundamental Investigation of Pillar Foundation Failure in a Trona Mine 2040 Hamid Maleki, Mike F. Jones, Kurt Hollberg

7572 Simulation of unstable failure in underground coal mining using the discrete element method 2049 E.M.C. Kias, U. Ozbay

7632 An Analysis of the Possible Fault Displacements Associated with a Retreating Longwall Facein Illinois 2056 B. Abbasi, Y.P. Chugh, H. Gurley

7634 Barton Approach for Predicting Hoek-Brown Residual Parameters 2065 B. Abbasi, Y.P. Chugh, M. Pierce, E. Dzik

7660 A 3DEC Model for Heavily Veined Massive Rock Masses 2074 T.V. Garza Cruz, M.E. Pierce

2014 ARMA

Wellbore Mechanics

Paper Title6991 Plasma torch perforation to route hydraulic fracturing operation in unconventional reservoirs 2083

M. Soliman, M. Bazargan, M. Habibpour7010 Challenges in Defining Fracture Gradient for Highly Deviated Wells in the Presence of Natural

Fractures in Deepwater Environments 2092 M.S. Asadi, A. Khaksar, A. White, Z. Yao, P. King

7109 Near-well integrity and thermal effects: a computational road from laboratory to field scale 2103 A. Lavrov, M. Torsæter, M. Todorovic, N. Opedal, P. Cerasi

7146 What Difference Does Selection of Failure Criteria Make in Wellbore Stability Analysis? 2114 R. Rahimi, R. Nygaard

7183 A Smart Way to Build Geomechanical Models and Analyze Casing Collapse during thePetroleum Field Development 2128 G.L. Righetto, C.E.R. Lautenschläger, R.A.C. Albuquerque, N. Inoue, S.A.B. Fontoura

7203 Simulation and Analysis of Wellbore Stability Using FLAC for Horizontal Well Drilling inShale Formations 2136 D. Luo, G. Chen, S. Patil, D. Abhijit, K. Santanu

7416 Evaluation of Wellbore Cement Integrity in Contact With High Temperature Brine 2142 K.S. Bello, M. Radonjic

7422 Geomechanical Modeling of Inclined Wellbore in Anisotropic Shale Layers of BakkenFormation 2147 S. Zamiran, A. Osouli, M. Ostadhassan

7433 A Numerical Study of Critical Parameters That Affect Stability of a Cavity Induced byBorehole Mining 2153 Y. Akbarzadeh, H.B. Miller

7462 Effects of Formation Anisotropy on Borehole Stress Concentrations: Implications to DrillingInduced Tensile Fractures 2160 Q. Jia, D.R. Schmitt

7486 An Integrative Numerical Modeling Framework for Attacking Sand Production Problem 2171 Yanhui Han

7500 A finite element study of the factors influencing rock nail pullout resistance 2179 A.N. Berntsen, E. Papamichos

7524 The Description of a Process for Numerical Simulations in the Casing Cementing of PetroleumSalt Wells - Part I: from drilling to cementing 2189 F. Mackay, S.A.B. Fontoura

7739 The Effects of Moisture Transport on Wellbore Stability in Shale Formations 2198 V. Dokhani, M. Yu

7753 Gas Release Mechanisms from Energy Wellbores 2208 R.E. Jackson, M.B. Dusseault

2014 ARMA