In this section
@inproceedings{De:2014,
author = {De, La Torre Guzman J and Shi, JQ and Durucan, S and Korre, A},
pages = {102--106},
title = {InSAR monitoring leads to improved understanding of flow and pressure behaviour during CO2 injection at In Salah},
year = {2014}
}
TY - CPAPER
AB - Building on previous work by the authors on flow and geomechanical simulations at the InSalah CO2 storage site, a coupled flow-geomechanical simulation study has been carried out to better understand the flow behaviour around one of the injectors (KB-503). In order to further improve the match of the injection pressure at KB-503 that is consistent with the InSAR surface uplift data, an in-depth analysis of the InSAR surface uplift pattern and its temporal evolution was first carried out. The picture emerging is that preferential flow paths (along the NW-SE maximum stress direction) appear to have been created, as a result of fluctuations in the injection rate from September 2005 onwards, which led to the pressurisation of the reservoir rock away from the immediate vicinity of the wellbore as reflected by elongated surface uplift pattern around KB-503. A plausible explanation is that CO2 injection has caused tensile opening of pre-existing fractures/faults in the area. Based upon this understanding, a much improved match of the BHP pressure for KB-503 was achieved by incorporating a fractured zone with dynamic transmissibility into the reservoir model based on InSAR surface uplift observations. Copyright © (2014) by the European Association of Geoscientists & Engineers. All rights reserved.
AU - De,La Torre Guzman J
AU - Shi,JQ
AU - Durucan,S
AU - Korre,A
EP - 106
PY - 2014///
SP - 102
TI - InSAR monitoring leads to improved understanding of flow and pressure behaviour during CO2 injection at In Salah
ER -