The utility model relates to an investigation system that oil field fire control is wireless, including front -end collection subsystem, radio communication subsystem and the background processing subsystem that connects gradually, the front -end collection subsystem includes video the detecting unit, gaseous detecting element, humiture detecting element and information collection unit, equal and the information collection unit connection of video the detecting unit, gaseous detecting element and humiture detecting element, the communication subsystem includes front end radio communication unit and backstage radio communication unit, the background processing subsystem includes information fusion unit and remote monitoring platform, backstage radio communication unit and remote monitoring platform wireless connection, simultaneously radio communication unit, information fusion unit and remote monitoring platform connect gradually. This system can carry on in unmanned vehicle or robot and to accomplish the oil field pipeline and patrol and examine, has not only reduced manpower and financial resources input, tasks such as the scene of can arranging is fast on request moreover accomplished and is is dailyly patrolled and examined, emergency rescue.