Hydraulic fracturing for in situ stress measurements - a simulation and experimental study

Hydraulic fracturing is a technique which has been used largely for estimating the subsurface stress state. This technique is best applicable in low permeable formations which are ideally homogeneous and continuum. Performing an in situ hydraulic fracture test, the induced fracture tends to propagat...

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Bibliographic Details
Main Author: Rasouli, Vamegh
Other Authors: Y. Potvin
Format: Conference Paper
Published: Australian Centre for Geomechanics 2012
Subjects:
Online Access:http://hdl.handle.net/20.500.11937/37738
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author Rasouli, Vamegh
author2 Y. Potvin
author_facet Y. Potvin
Rasouli, Vamegh
author_sort Rasouli, Vamegh
building Curtin Institutional Repository
collection Online Access
description Hydraulic fracturing is a technique which has been used largely for estimating the subsurface stress state. This technique is best applicable in low permeable formations which are ideally homogeneous and continuum. Performing an in situ hydraulic fracture test, the induced fracture tends to propagate along the direction perpendicular to the direction of least resistance stress from the wellbore. However, the stress anisotropy ratio, as well as the existence of natural fracture planes, may deviate from the results that are expected, or may indeed mislead interpretation. This concept is discussed in this paper through the results of some 2D numerical simulations and lab experiments performed under true triaxial stress conditions. The stress cell, which is capable of applying three independent stresses on a cube of rock with different sizes, was used for the purpose of the experiments. The specifications of the equipment are also described briefly.
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spelling curtin-20.500.11937-377382017-01-30T14:06:56Z Hydraulic fracturing for in situ stress measurements - a simulation and experimental study Rasouli, Vamegh Y. Potvin In-situ stresses TTSC stress measurement true triaxial stress Hydraulic Fracturing Hydraulic fracturing is a technique which has been used largely for estimating the subsurface stress state. This technique is best applicable in low permeable formations which are ideally homogeneous and continuum. Performing an in situ hydraulic fracture test, the induced fracture tends to propagate along the direction perpendicular to the direction of least resistance stress from the wellbore. However, the stress anisotropy ratio, as well as the existence of natural fracture planes, may deviate from the results that are expected, or may indeed mislead interpretation. This concept is discussed in this paper through the results of some 2D numerical simulations and lab experiments performed under true triaxial stress conditions. The stress cell, which is capable of applying three independent stresses on a cube of rock with different sizes, was used for the purpose of the experiments. The specifications of the equipment are also described briefly. 2012 Conference Paper http://hdl.handle.net/20.500.11937/37738 Australian Centre for Geomechanics restricted
spellingShingle In-situ stresses
TTSC
stress measurement
true triaxial stress
Hydraulic Fracturing
Rasouli, Vamegh
Hydraulic fracturing for in situ stress measurements - a simulation and experimental study
title Hydraulic fracturing for in situ stress measurements - a simulation and experimental study
title_full Hydraulic fracturing for in situ stress measurements - a simulation and experimental study
title_fullStr Hydraulic fracturing for in situ stress measurements - a simulation and experimental study
title_full_unstemmed Hydraulic fracturing for in situ stress measurements - a simulation and experimental study
title_short Hydraulic fracturing for in situ stress measurements - a simulation and experimental study
title_sort hydraulic fracturing for in situ stress measurements - a simulation and experimental study
topic In-situ stresses
TTSC
stress measurement
true triaxial stress
Hydraulic Fracturing
url http://hdl.handle.net/20.500.11937/37738