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Keywords: algorithm
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Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0103
... the initiation and early stage of fracture growth. We then switch to an algorithm tracking the fluid front for computational efficiency. Using dimensional analysis, we show that the propagation is governed by a dimensionless toughness and a time scale characterizing the disappearance of the fluid lag...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0141
... hanging nodes. For the contact problems, we implement contact detection, normal and tangential contact interaction algorithms. We provide numerical examples and match to analytical solutions in order to validate employed algorithms. reservoir geomechanics reservoir simulation Artificial...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0208
... algorithm realization Gambolati measurement error land subsidence constitutive law ABSTRACT: The use of numerical models in geomechanics implicitly assumes a number of approximations and uncertainties, even though they are usually regarded as deterministic tools. Simplifications in the...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0249
... fully implicit algorithm (Zheng et al., 2019). Results show that this prediction method provides a good initial guess for the iterative coupling procedure and reduces the total number of iterations. We show that the linearized prediction method greatly decreases the computation time and improves the...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0362
... natural fracture transition zone experiment hydraulic fracturing accuracy prediction notch interaction differential stress fracture friction angle Artificial Intelligence fracture interaction algorithm approach angle dataset geometry hydraulic fracture architecture 1. INTRODUCTION In...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0369
... Intelligence orientation Upstream Oil & Gas fracture network mouydir basin major fracture basement algorithm fracture Reservoir Characterization structural geology fracture characterization curvature center distance algorithm length distribution cambro-ordovician unit coefficient hoggar...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0375
... follows a power-law distribution. The fractal dimension Dm is estimated using the center distribution and box-counting algorithms. According to geometry and structure, the fractures can be divided into Major and Minor fracture where the fractal analysis is based on several approaches; analyzing the...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0427
... distribution of in-situ stresses by automatically adjusting the fields of geomechanical properties as well as boundary conditions with both stochastic and optimization algorithms. This new approach utilizes a sequentially two-step matching procedure taking the difference between calculated stresses and...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1942
... term involving the time-derivative of the total mean stress admits a much slower characteristic time scale compared to the other reservoir simulation total mean stress numerical simulation Reservoir Characterization Upstream Oil & Gas plastic porosity algorithm flow in porous media...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1927
... hydraulic fracturing shale gas Upstream Oil & Gas shale reservoir acoustic emission mechanism experiment complex reservoir breakdown pressure propagation stage sensor initiation stage supercritical carbon dioxide algorithm natural fracture fracture application waveform...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2039
.... Upstream Oil & Gas vertex Srinivasan classifier machine learning breakthrough curve DFN Artificial Intelligence Simulation fractured media discrete fracture network Transport Characteristic representation system reduction fracture backbone reduction full network hyman algorithm...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0509
... prediction algorithm literature application penetration Elkatatny alkinani validation society of petroleum engineers 1. INTRODUCTION The rate of penetration (ROP) can be defined as the volume of rock removed per unit area (feet) per unit time (hour). It can be referred to as the speed of breaking...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0511
... intelligent system log analysis Upstream Oil & Gas wave velocity hagan application petroleum industry algorithm society of petroleum engineers ABSTRACT: Accurate estimation of shear wave velocity (V S ) is pivotal for many petrophysical and geomechanical applications. Actual V S...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1828
... Artificial Intelligence Upstream Oil & Gas indentation modulus shale algorithm indenter orientation compliance contact mechanics solution vlassak mechanics solution anisotropic material contact area 1. INTRODUCTION The advancements in horizontal drilling and stimulation techniques have...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1791
... data is available. In this study, we assessed the use of a clustering algorithm, namely self-organizing maps, for classification of different lithological classes of limestone. The input parameters are geo-mechanical and geological properties of limestones such as density, uniaxial compressive strength...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1727
... their spatial correlation and structural law. The approach uses the Turning Bands algorithm to perform the 3-Dimensional conditional simulation of the empirical system D. The main results show the capacity of the approach to model heterogeneous rock mass and allows the identification of rock mass zones...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-787
... ABSTRACT: In this paper we present a discrete element modelling based fluid injection simulation in a blocky structured rock mass. The hydro-mechanical couple model is developed on the basis of a commercial software, Particle Flow Code 2D. The fluid fl ow algorithm is modified to enable...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-841
... ABSTRACT: We developed a new numerical model that is based on a combination of the 2D boundary element method and a complementarity algorithm to simulate the mechanical interaction behavior between a hydraulic fracture (HF) and a horizontal frictional interface (FI). The new model enforces...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-284
... surfaces from point clouds. Discontinuities traces can be extracted from image data using a hybrid global and local threshold method and integrating a series of image-processing algorithms, and its corresponding coordinates are acquired by data matching links the pixel locations corresponding to the...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-493
... different responses to similar mining methods, quantified by the rates, magnitudes, and locations of the events. metals & mining real time system seismic deployment deployment algorithm US government Upstream Oil & Gas gateroad instrument seismic event velocity model sensor...

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