**Author details**

Yueting Hu QHSE Department of China National Petroleum Corporation, Beijing, China

\*Address all correspondence to: huyueting@petrochina.com.cn

© 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.
