... ABSTRACT: This study had two primary objectives: first, to develop a sophisticated temperature simulator capable of predicting gas hydrate dissociation, and second, to assess how this dissociation impacts wellbore stability. The simulator design incorporated key heat transfer principles...

... ABSTRACT: Soil properties exhibit inherent spatial variability, which can significantly affect the bearing capacity of foundations. This study conducted two-dimensional stochastic simulations of the bearing capacity of shallow foundations on spatially varying soils, utilizing random field...

... ABSTRACT: The migration and displacement of proppant in fractures is the key to maintain fracture opening and enhance fracture conductivity. Numerous numerical simulations have been conducted to investigate the hydrodynamics of proppant transport. Since the numerical simulations...

... subdiscipline clastic rock mudrock artificial intelligence reservoir characterization geologist complex reservoir shale gas fracture fault prediction heterogeneity geomechanical model natural fracture horizontal well simulation natural fracture type slb-private natural fracture model mudstone...

... behaviors of fractures by radial wellbore fracturing in sand-shale interlayered rock mass, a numerical simulation study was conducted by employing a 3D discrete lattice method. By comparing with conventional horizontal well fracturing, the characteristic of fracture initiation and propagation of radial...

... ABSTRACT: This study presents an integrated approach combining hydraulic fracture simulation, production history matching, and Estimated Ultimate Recovery (EUR) prediction to optimize well performance in a deep shale gas pad located in the Sichuan Basin, China. The boundary element method...

... fracture distributions, the method efficiently predicts fracture geometry and properties. Latin Hypercube Sampling (LHS) is employed to generate training data, and the model is trained on numerical simulations. Testing on real field cases shows the method predicts fracture geometry with a relative error...

... and production performance using GPU-based supercomputing. The workflow centers around the ZFRAC hydraulic fracture simulator, which employs the boundary element method (BEM) for fracture modeling and integrates XGBoost for calibration with pumping pressure data. A deep shale gas well in the Sichuan Basin, China...

... period but also in later life of a reservoir under depleted conditions. There are many geomechanical material properties affecting the magnitude and behaviour of solids production. As part of the work done for a previous paper, a finite element model for an open-hole configuration was built to simulate...

... of hydraulic fracturing. geologist fracturing fluid geomechanics geology hydraulic fracturing fracture fracturing materials mathematics of computing proppant geological subdiscipline injection rate simulation particle fracture propagation proppant transportation morphology proppant...

...International Geomechanics Symposium ARMA-IGS-2023 190 UPVC test design, interpretation, and simulation for compaction and subsidence Kusolsong, S. and Adisornsupawat, K. PTT Exploration and Production (PTTEP), Bangkok, Thailand Mohamad-Hussein, A. SLB, Crawley, United Kingdom Copyright 2023 ARMA...

... will be the stability of slopes particularly when they meet the old underground workings, and the behavior of previously subsided material in the pit slopes. The present study was conducted to understand the effect of underground workings on the stability of new slopes using physical and numerical simulation...

... in sandstone microstructure, dissolution of water-soluble minerals, and gradual expansion of microspores and fractures. Sedimentary cementation is more prone to softening in water than accelerated cementation. (3) The error between PFC2D simulation and laboratory test results is less than 5%, confirming...

... formation. The model, built on a fully coupled physics-based simulator, incorporates reservoir, fractures, and wellbore data, enabling a nuanced understanding of multiphase flow and pressure losses. The study compares the performance of U-shape wells with conventional wells in unconventional plays over a 30...

... geological subdiscipline janeiro simulation geology worst-case discharge scenario vicinity rock type well control reservoir characterization variation equation estimation International Geomechanics Symposium ARMA-IGS-2023 0264 The temperature effect on fracture gradient in well containment...

... of where and by whom the paper was presented. ABSTRACT: Thermal stresses developed under disturbed temperature field induce thermal cracking when material s strength is exceeded. In this paper, digital image correlation (DIC) and thermo-mechanical finite-discrete element method (FDEM-TM) simulations were...

... Abstract The Thornton-Ning (TN) contact model, originally designed for self-adhesive spherical particles, was implemented into the Aspherix® commercial software, and then modified to simulate the behavior of cemented sandstone material. During the initial phase of software development...

... structure curvature method (Feng et al., 2018). Numerical simulation methods have been employed to calculate regional tectonic stress fields, and the development of tectonic fractures in reservoirs was predicted based on the Griffith rupture and the MohrCoulomb criteria (Guo et al., 2016). Guo et al. (2019...

.... The cavern leaching simulation uses the data from Table 1. Figure 2 - Speculative Geological vertical cross-section Figure 3- Conceptual design of the well -Construction and completion string Table 1 Data adopted for the simulation of the cavern dissolutions. Figure 4 shows the evolution over time...

... of rock strength and mud weight pressure on wellbore stability. Higher NYZA values result from the lower cohesion value (2500 psi) despite the mud weight pressure, but there is a general decrease of NYZA with increasing mud weight pressure. The simulation for all mud weight pressure and cohesion 3500 psi...