Based on the injection-production well test and reservoir distribution characteristics, the paper works out an adjusting injection-production plan for V oil group in XX oil field by analysing the injection structure.

During the great development of west China,water utilization structure and industrial structure are both irrational in inland river basins.

Some effecting factors of water utilization efficiency were also discussed by quantitative analysis,such as the increasing water consumption,the adjustment of water utilization structure and the improvement of water utilization efficiency.

The present situation and development tendency of water utilization structure was analyzed.

Simple Introduction of the Deep-water crystillization and Mechanized Harvesting of lake salt;