论文部分内容阅读
PetroChina has recentlyopened 18 new oil and gas blocksto foreign companies forexploration and development andwill soon hold a series of bilateralnegotiations on the cooperationprojects. Those blocks are locatedin the northern part of Ordosbasin, the nort
PetroChina has recently opened 18 new oil and gas blocksto foreign companies for exploration and development and soon soon hold a series of bilateralnegotiations on the cooperation projects. Those blocks are locatedin the northern part of Ordosbasin, the nort