On the basis of analyzing the characteristics and properties of Shenli Oil Field's polymer injection project of tertiary process,it is considered that such kind of project should adopt the incremental method for the economic evaluation,and the calculated incremental appraisal index as the foundation of project investment decision.

By analyzing the advantages and disadvantages of the status monitoring software,a new system is developed,which applies the three layer DLL technology and sampled item data management model.

This paper introduces the characteristics and development of BOT project in project financing, project procurement and project management; discusses the decision factors and planning programming of decision making for BOT project in risk management, which provides technical support for local government to introduce BOT project.

In the project, project procurement management is almost throughout the entire project life cycle, project procurement management mode directly impacts on the models of project management and the types of project contract, plays an important role to the overall management of the project.

Purpose\ To discuss economic evaluation method suitable for thermal recovery project of heavy oil for scientific decision-making.