domestic oil
3.Then the Delphi technique and principal components analysis are used to choose six factors from the system to form a new integrated index-degrees of petroleum security. The six factors are the domestic crude oil reserve-production ratio, the domestic crude oil reserve replacement ratio, dependency of domestic petroleum consumption on import, concentration ratio of domestic petroleum imports, international crude oil prices and domestic petroleum reserve storage level.
6.By the method of dynamic game theory, the economy phenomena of "shortage of oil" in the domestic refined oil market was analyzed and explained, with the intrinsic reason pointed out, which proved that the game rule not only has impacted on the bilateral strategies, but decided their balanced result.
9.June 22—26, 2004, IMO Level 2 Oil Spill Preparedness and Response Training Course, jointly organized by Yantai Oil Spill Response Technical Centre and EARL, was conducted in Yantai, with 37 participants from both domestic and foreign oil componies, Hongkong as well as China MSA attending the course.

