Statistical data on accident rate on objects of an oil and gas complex confirm a high role of "a human factor" in the causes and escalation of emergencies. Scientific research in the field of influence decrease of a human factor on accident rate is directed as to creation of modern imitating and training systems, improvement of procedures of professional selection, as to assessment of working conditions and a current functional state of the person in a working environment. At risk management in aspect of a human factor the main emphasis is placed on assessment of competences of personnel, their formation and development. Assessment of competences of the candidatethe first thing that the person faces at the device on hazardous production facility. Assessment procedure can be expressed in the form of an interview, passing of testing, an профессионального отбора и допуска к работам повышенной опасности в нефтегазовом комплексе.