Oilfield network communication system and method

The invention discloses an oil field network communication system and method, and belongs to the technical field of safety protection of oil field communication networks. The system comprises a proxy server, a main server, an alarm server and a plurality of remote terminal units, wherein the proxy server comprises a request processing unit, a data receiving unit and a data sending unit; the data receiving unit is used for receiving oil field monitoring data and oil field working data from a plurality of remote terminal units; the data sending unit is used for sending oil field monitoring data to the alarm server and sending oil field working data to the main server; the request processing unit is used for receiving a user request, detecting the user request based on a request filtering rule, and sending a processing request to the main server based on the user request passing the detection; and the main server is used for storing the oil field working data and responding to the request content corresponding t