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Title: Recovery Act. Development and Validation of an Advanced Stimulation Prediction Model for Enhanced Geothermal System

Abstract

The research project aims to develop and validate an advanced computer model that can be used in the planning and design of stimulation techniques to create engineered reservoirs for Enhanced Geothermal Systems. The specific objectives of the proposal are to: 1) Develop a true three-dimensional hydro-thermal fracturing simulator that is particularly suited for EGS reservoir creation. 2) Perform laboratory scale model tests of hydraulic fracturing and proppant flow/transport using a polyaxial loading device, and use the laboratory results to test and validate the 3D simulator. 3) Perform discrete element/particulate modeling of proppant transport in hydraulic fractures, and use the results to improve understand of proppant flow and transport. 4) Test and validate the 3D hydro-thermal fracturing simulator against case histories of EGS energy production. 5) Develop a plan to commercialize the 3D fracturing and proppant flow/transport simulator. The project is expected to yield several specific results and benefits. Major technical products from the proposal include: 1) A true-3D hydro-thermal fracturing computer code that is particularly suited to EGS, 2) Documented results of scale model tests on hydro-thermal fracturing and fracture propping in an analogue crystalline rock, 3) Documented procedures and results of discrete element/particulate modeling of flow and transport ofmore » proppants for EGS applications, and 4) Database of monitoring data, with focus of Acoustic Emissions (AE) from lab scale modeling and field case histories of EGS reservoir creation.« less

Authors:
 [1]
  1. Colorado School of Mines, Golden, CO (United States)
Publication Date:
Research Org.:
Colorado School of Mines, Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Geothermal Technologies Office
OSTI Identifier:
1235742
Report Number(s):
DOE-CSM-0002760-1
DOE Contract Number:  
EE0002760
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
15 GEOTHERMAL ENERGY; Enhanced Geothermal Systems; Hydraulic Fracturing; Geothermal Energy; Heat Flow and Transport; Laboratory Scale Modeling; Proppant; Numerical Modeling; Simulator

Citation Formats

Gutierrez, Marte. Recovery Act. Development and Validation of an Advanced Stimulation Prediction Model for Enhanced Geothermal System. United States: N. p., 2016. Web.
Gutierrez, Marte. Recovery Act. Development and Validation of an Advanced Stimulation Prediction Model for Enhanced Geothermal System. United States.
Gutierrez, Marte. 2016. "Recovery Act. Development and Validation of an Advanced Stimulation Prediction Model for Enhanced Geothermal System". United States.
@article{osti_1235742,
title = {Recovery Act. Development and Validation of an Advanced Stimulation Prediction Model for Enhanced Geothermal System},
author = {Gutierrez, Marte},
abstractNote = {The research project aims to develop and validate an advanced computer model that can be used in the planning and design of stimulation techniques to create engineered reservoirs for Enhanced Geothermal Systems. The specific objectives of the proposal are to: 1) Develop a true three-dimensional hydro-thermal fracturing simulator that is particularly suited for EGS reservoir creation. 2) Perform laboratory scale model tests of hydraulic fracturing and proppant flow/transport using a polyaxial loading device, and use the laboratory results to test and validate the 3D simulator. 3) Perform discrete element/particulate modeling of proppant transport in hydraulic fractures, and use the results to improve understand of proppant flow and transport. 4) Test and validate the 3D hydro-thermal fracturing simulator against case histories of EGS energy production. 5) Develop a plan to commercialize the 3D fracturing and proppant flow/transport simulator. The project is expected to yield several specific results and benefits. Major technical products from the proposal include: 1) A true-3D hydro-thermal fracturing computer code that is particularly suited to EGS, 2) Documented results of scale model tests on hydro-thermal fracturing and fracture propping in an analogue crystalline rock, 3) Documented procedures and results of discrete element/particulate modeling of flow and transport of proppants for EGS applications, and 4) Database of monitoring data, with focus of Acoustic Emissions (AE) from lab scale modeling and field case histories of EGS reservoir creation.},
doi = {},
url = {https://www.osti.gov/biblio/1235742}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Sat Dec 31 00:00:00 EST 2016},
month = {Sat Dec 31 00:00:00 EST 2016}
}

Technical Report:
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