Na WeiNa Wei is a Professor at the Southwest Petroleum University, Dean of the Research Institute of Marine Natural Gas Hydrate, a researcher in the State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation Engineering, and Executive Director f the Cooperative Innovation Center of Marine Natural Gas Hydrate Development. She is an expert in controlled-pressure drilling and gas-underbalanced drilling. She is the principal author of 9 books and author/coauthor of more than 60 research papers. Read More Read Less