Dr. David C-K Chen (陳振綱): currently is senior drilling advisor at Hess E&P Well Technology in Houston. His work has been focused on drilling optimization, directional drilling and drilling technology. Previously he was employed at Halliburton Sperry-Sun as chief technical scientist in Houston for 18 years where he was awarded "Inventor of the Year” in 2005. David Chen has 25 years of drilling experience in land, unconventional, offshore/deep water and extended reached wells. Dr. Chen has published 46 technical papers and authored the chapter “Directional Drilling” in the SPE Petroleum Engineering Handbook (2006). He holds 20 U.S. patents and is a member SPE/IADC drilling committee and a technical editor for the SPE Journal of Drilling and Completion. He also served the vice-chairman of the 2009 SPE forum, “Overcoming Barriers to Deliver 15-km ERD and Beyond” held in Kota Kinabalu. He received a BS degree from National Chiao-Tung University in Taiwan, and MS and PhD degrees at the Rice University. Dr. Chen served as 2010 CAPA President and 2012 Chairman of the Board.