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Finite Element Analysis (FEA) for Water-Foam Fracturing of Granite Rock

Metadata Updated: July 25, 2023

In addition to the foam data that were obtained from literature and that were collected from the current study, simulation data was also generated from finite element analysis (FEA) conducted in this study using COMSOL Multiphysics software. The FEA models were built to simulate the experiments conducted at Oak Ridge National Laboratory (ORNL) on cement and granite samples. In these FEA models, temperature was kept at ambient while the pressure profile resembled the loading conditions during the ORNL experiments, where pressure was either monotonically increased or applied cyclically.

The cement material was used as a model material and was used to study Von Mises stress and tensile stress distribution for different bore hole length geometry using a parametric sweep with water as fracturing fluid using solid-fluid interaction module.

For the granite material, FEA models were developed for stress analysis of cylindrical samples with water or foam fluids. The solid mechanics module in COMSOL was implemented to solve for Von Mises stress and tensile stress. The fluid-structure interaction module was implemented to solve for water-foam interaction on granite cylinder with addition of fluid-loading on structure, i.e., large deformation in solid mechanics with no impact on fluid deformation. Foam was considered as a pseudo single-phase compressible fluid for which material properties were calculated from water and gas (nitrogen) phases. The density of foam is calculated as a function of the densities of water and nitrogen, while viscosity is a function of temperature. Four types of FEA analyses were modelled: 1. Monotonic injection with water 2. Monotonic injection with foam 3. Cyclic injection with water 4. Cyclic injection with foam All the COMSOL files are converted to a zip file which is save in .mph.

Access & Use Information

Public: This dataset is intended for public access and use. License: Creative Commons Attribution

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Metadata Created Date June 21, 2022
Metadata Updated Date July 25, 2023

Metadata Source

Harvested from OpenEI data.json

Additional Metadata

Resource Type Dataset
Metadata Created Date June 21, 2022
Metadata Updated Date July 25, 2023
Publisher Temple University
Doi 10.15121/1869425
Data First Published 2021-05-04T06:00:00Z
Data Last Modified 2022-06-20T06:15:02Z
Public Access Level public
Bureau Code 019:20
Metadata Context
Metadata Catalog ID
Schema Version
Catalog Describedby
Data Quality True
Harvest Object Id 816ad6eb-1090-4bed-b2e6-5407996fbdd1
Harvest Source Id 7cbf9085-0290-4e9f-bec1-91653baeddfd
Harvest Source Title OpenEI data.json
Homepage URL
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Program Code 019:006
Projectlead Zachary Frone
Projectnumber FY19 AOP
Projecttitle Foam Fracturing Study for Stimulation Development of Enhanced Geothermal System (EGS)
Source Datajson Identifier True
Source Hash fd06cad79aa5f43df4187c16e483c1cc548f945a
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