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Keywords: algorithm
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1669
.... reservoir characterization artificial intelligence log analysis complex reservoir machine learning well logging wellbore design rock property driven in-situ sonic log synthesis dataset mechanics geomechanics symposium drilling data upstream oil & gas algorithm nygaard prediction ann...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1743
... based on pore scale. The 2D geometric models of pore structure with different structural characteristics were generated by the quartet structure generation set (QSGS) and the generation algorithm of random granular porous media. The numerical simulation is conducted to investigate the effects...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1746
... ABSTRACT: Elemental analysis of the mining exploration data is important for many geochemical applications. The objective of this work is to conduct a comparison analysis of machine learning algorithms in predicting recovery of copper (Cu) from the Kazakhstan field. The data of cores...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1237
... ABSTRACT: A new interpretation workflow to automatically deliver high-resolution dynamic elastic moduli using borehole sonic data is presented. This workflow consists of three new algorithms: a multi-resolution based depth tracking algorithm to avoid mislabeling among the processed slownesses...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1764
... machine learning algorithms (ML) to predict abnormal pressure zones in a study area. For this purpose, input features or parameters were obtained from classified log data commonly used in pore pressure prediction, namely gamma-ray, bulk density, and deep-resistivity. Other estimated parameters...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1166
... optics allows for calculation of the far-field maximum and minimum horizontal in-situ stress in the rock formation based on cohesive zone finite element modeling and an accompanying inversion algorithm. 1. Introduction The in-situ stress in the subsurface is of great interest to the oil & gas...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2095
... ABSTRACT: Poroelastic response of spherical indentation with step displacement loading is investigated numerically using a hydromechanically coupled finite element method (FEM) algorithm following a mixed continuous Galerkin formulation for displacement and pore pressure. A stabilization...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1181
... ABSTRACT: We consider a Lagrangian algorithm for modeling the flow of hydraulic fracturing materials during a stimulation treatment of subterranean formation. The computational cost and accuracy associated with Lagrangian methods for particle transport simulation are directly related...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2011
... of the same. It is, therefore, of vital importance to make a correct discrimination of the landslides to obtain maps with a high success degree, measured as the value of accuracy in the classification predictions. Machine learning procedures, such as the random forest algorithm, could be a great help...
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 (both...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0208
... compression index ensemble assimilation observation data algorithm realization Gambolati measurement error land subsidence constitutive law 1. INTRODUCTION The increasing availability of satellite data, such as GPS and InSAR, has significantly enlarged in recent years the amount of surface...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0141
.... 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 Intelligence Upstream Oil...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0249
... Upstream Oil & Gas Manchanda fluid flow fracture equation displacement equation predictor method reservoir geomechanics proppant linearized predictor method picard iteration method predictor step fracture pressure equation algorithm newton-raphson method propagation 1. INTRODUCTION...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0362
... 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 recent years...
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-2019-0427
... for the 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...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0509
... 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 the rock...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0511
... Oil & Gas wave velocity hagan application petroleum industry algorithm society of petroleum engineers 1. INTRODUCTION Well logs are very valuable to the applications of reservoir evaluation in the petroleum industry (Avseth, and Odegaard, 2004; Minear and Fletcher, 1983). Sonic logs...
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...

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