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Novel CO2 Foam Concepts and Injection Schemes for Improving CO2 Sweep Efficiency in Sandstone and Carbonate Hydrocarbon Formations Final Technical Report Period Covered: October 1, 2010 – December 31, 2014 Report Date: February 5, 2015 DE-FE0005902 Principal Investigator: Quoc P. Nguyen Department of Petroleum & Geosystems Engineering The University of Texas at Austin Co-Investigators: George J. Hirasaki Department of Chemical Engineering Rice University Keith P. Johnston Department of Chemical Engineering The University of Texas at Austin Email: Tel: 512.471.1204 Fax: 512.471.9605 Department of Petroleum and Geosystems Engineering The University of Texas at Austin 1 University Station C0304 Austin, TX 78712 Acknowledgment: This material is based upon work supported by the U.S. Department of Energy / National Energy Technology Laboratory under Award Number DE- FE0005902. Disclaimer: This work was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, nor any of their contractors, subcontractors or their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or any third party’s use or the results of such use of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof or its contractors or subcontractors. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof, its contractors or subcontractors. Distribution Statement: Approved for public release; distribution is unlimited.