中国石油集团 利用海外油气资源发展战略.ppt

February 13,2007,Brownfields (> 30 years old ) generally account for 67-72% of world production,World Mature Oilfields are still playing an important role,Discovery of Chinas major onshore oilfields,Remaining recoverable reserves,( 100 million tons),Distribution of Chinas onshore oilfields,Water control and oil stabilization in high water-cut oilfields,Application of Polymer flooding in Daqing,Annual production of 50 million tons for 27 consecutive years,Daqing - A world record,Cyclic steam stimulation - heavy oil reservoirs,SAGD technology can enhance ultra-heavy oil recovery greatly.Oil recovery factor with SAGD can reach 60%, 30% over that with Cyclic Steam Stimulation.,Overseas Application,In Peru, fine reservoir description solutions and EOR technologies brought a new life to a 120-year-old oilfield. Daily output rose to 7,000 barrels from original 600 barrels through the discovery of a number of high-yielding wells. In Venezuela, EOR technologies have stimulated the daily output of Intercampo and Caracoles from initial 4,905 barrels to 40,000 barrels.,Great potentials of mature oilfields,