Vol. 58 No. 2

February 2006

H.L. Chang, SPE, Intratech Inc.; Z.Q. Zhang, PetroChina; Q.M. Wang, Z.S. Xu, and Z.D. Guo, SPE, Daqing Oilfield Co. Ltd., PetroChina; H.Q. Sun and X.L. Cao, Shengli Oilfield Co. Ltd., Sinopec; and Q. Qiao, Xinjiang Oilfield Co. Ltd., PetroChina

H.L. Chang, SPE, is President of Intratech Inc., specializing in chemical- and gas-EOR research and field applications. He previously worked for Mobil, Cities Service, and Arco. Chang holds a PhD degree in chemical engineering from Rice U. Z.Q. Zhang is Deputy Chief Geologist with Exploration and Production Co., PetroChina. He is responsible for field development with emphasis on technology, planning, EOR, and reservoir management. Q.M. Wang is Assistant to the President for Daqing Oilfield Co. Ltd., PetroChina. He has received special honor for exceptional contribution to operations in the Daqing Oilfield. Wang is responsible for planning and implementing EOR projects. Z.S. Xu is Deputy Chief Geologist with Daqing Oilfield Co. Ltd., PetroChina. He is responsible for planning and operations of waterflood and EOR projects. Z.D. Guo, SPE, is a senior engineer with Daqing Oilfield Co. Ltd, PetroChina. He is responsible for oilfield-chemical quality control and EOR field facilities. H.Q. Sun is Vice President for Shengli Oilfield Co. Ltd, Sinopec. He is responsible for field development. X.L. Cao is Director of EOR Laboratory Research for Shengli Geological Science Research Inst., Shengli Oilfield Co. Ltd, Sinopec. He is responsible for EOR laboratory research. Q. Qiao is Deputy Chief Engineer—Recovery Research for Exploration and Development Research Inst., Xinjiang Oilfield Co. Ltd, PetroChina. He is responsible for chemical-EOR laboratory research and project design and implementation.