Tongwen Jiang, PhD is an engineer and earned his PhD degree in oil & gas field development engineering from Southwest Petroleum Institute in 1996.He began working for Tarim Oilfield Company in 1996, and he has deep experience in reservoir studies and management. He has published over 30 papers about complex oil & gas reservoir studies such as condensate gas reservoirs and fractured reservoirs. He is an author of 4 books and an active member of the Society of Petroleum Engineer and the American Association of Petroleum Geologists. Hedong Sun, PhD, SPE member, born in 1973, professional senior engineer, earned his PhD degree from Xi'an Jiaotong University in 2004. Since 2004, he has been a Research Engineer in Research Institute of Petroleum Exploration and Development of Petrochina. He has about 25 years of reservoir engineering experience with a focus on well test analysis and production data analysis. He has published over 60 papers in peer-reviewed journals and SPE conferences. He is an author of 4 books published by Elsevier, including Advanced Production Decline Analysis and Application, Well Test Analysis for Multilayered Reservoir with Formation Crossflow, Dynamic Well Testing in Petroleum Exploration and Development, among others. Hongfeng Wang, is a senior engineer; he achieved his master degree of oil & gas field development engineering from Southwest Petroleum Institute in 2004. He has been working for Tarim Oilfield Company since 2004, and has rich experience in gas reservoir study and management. He has published 3 books and over 10 papers about HPHT gas reservoirs and condensate gas reservoirs study and management. Xiangjiao Xiao, PhD, SPE member, born in 1968, professorate senior engineer, earned her PhD degree on oil & gas field development engineering from China University of Petroleum in 2012. She has worked for Tarim Oilfield Company since 1992, and has rich experience in geopressured gas reservoir and condensate gas reservoir study. She has published over 40 papers about geopressured gas reservoir. She is an author of 6 books published by Petroleum Industry Press, including Dina 2 Abnormal Ultra-High Pressure Gas Reservoir Development, Development Mechanism and Application of Ultra-Deep, High-Temperature and High-Pressure Fractured Sandstone Gas Reservoirs, Abnormal High Pressure Gas Field Development, among others.