Abstract: Reservoir evaluation is a management system established by PetroChina Company Limited (PetroChina) to implement the work pattern of the integration of exploration and development, which is an important part of the four work stages of crude oil exploration and development of the company. This paper discusses the establishment of the reservoir evaluation management system from the perspective of the development of PetroChina's reservoir evaluation management, summarizing the three features of reservoir evaluation and five items of reservoir evaluation experience. It also discusses the three fundamental principles of reservoir evaluation, and finally presents the challenges of reservoir evaluation being faced with

Key words: reservoir evaluation, integration of exploration and development, management system