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type     June, 2005

Vol 2 Chapter 12: In Situ Characteristics of Acid-gas Injection Operations in the Alberta Basin, Western Canada: Demonstration of CO2 Geological Storage

Stefan Bachu and Kristine Haug

Abstract: Acid-gas injection in the Alberta basin in western Canada occurs over a wide range of subsurface characteristics, acid gas compositions, and operating conditions. The subsurface characteristics of the injection sites are representative for compacted continental sedimentary basins, like those in the North American mid-continent. No safety or leakage incidents have been reported in the 15 years since the first acid-gas injection operation in the world started in Alberta, and this record indicates that acid-gas injection is a mature technology that can be applied elsewhere in the world. Furthermore, these acid-gas injection operations constitute a commercial-scale analogue for future large-scale CO2 geological storage operations to reduce CO2 emissions into the atmosphere from large CO2 point sources. This review of the subsurface characteristics of the acid-gas injection operations in western Canada provides data and information that can be used in future studies for site selection.

Carbon Dioxide Capture for Storage in Deep Geologic Formations – Results from the CO2 Capture Project Geologic Storage of Carbon Dioxide with Monitoring and Verification - Volume 2
Edited by:
Sally M. Benson, Lawrence Berkeley Laboratory, Berkeley, CA, USA

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