In order to overcome the problems of injection and plug removal in the heavy oil block to increase the development efficiency,and according to the state of the development by the water injection in the Gucheng South three block oil field of Henan Nanyang,the aciding technolgy,acid liquid system and its compatibility with the formation have been studied.

To evaluate the operational beneit of petroleum pool, this paper proposes an approach to establish the relative degree of operational benefit targets to excellence.

In terms of modern economic theory, this paper investigates the history and current situation of China' s petroleum and discusses a new route of the development of petroleum region in China.