**Author details**

Shehzad Ahmed1 \*, Alvinda Sri Hanamertani2 and Muhammad Rehan Hashmet<sup>3</sup>

1 Ali I. Al-Naimi Petroleum Engineering Research Center (ANPERC), King Abdullah University of Science and Technology, Thuwal, Saudi Arabia

2 Department of Petroleum Engineering Universiti Teknologi PETRONAS, Seri Iskandar, Malaysia

3 School of Mining and Geoscience, Nazarbayev University, Astana, Kazakhstan

\*Address all correspondence to: shehzadahmed@kaust.edu.sa

© 2019 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

*CO2 Foam as an Improved Fracturing Fluid System for Unconventional Reservoir DOI: http://dx.doi.org/10.5772/intechopen.84564* 
