System and method for analyzing working condition of water injection well in oil field

The invention discloses a system and a method for analyzing the working condition of a water injection well in an oil field, and belongs to the field of water injection well technology management in oil-gas field development. The system comprises a data collection module used for collecting a pressure flow value and a water quality parameter value of the water injection well, a ground working condition analysis module used for comparing the pressure flow value of the water injection well with the set pressure flow threshold value and judging the ground working condition of the water injection well according to a comparison result, a shaft stratum working condition analysis module used for creating a mapping relation between the relative injection amount and the relative injection pressure of the water injection well according to the pressure flow value and the water quality parameter value of the water injection well and judging the real-time working condition of the water injection well, and a water quality analysis module used for judging if the water quality of the water injection well meets the water injection requirement according to the water quality parameter value and analyzing the water quality working condition of the water injection well. According to the system, a model for analyzing and diagnosing the working condition of the water injection well is created, so that the production management demand in the water injection site of the oil field can be met.