One of these days, Oil and Gas Producing Office “Nurlatneft” held tactical trainings. According to the conception of the trainings, vapor and air mixture exploded in vertical steel reservoir No. 2. 2,000 cubic meters of black gold were captured by fire. The primary instrument of the main operation was the foam mount “Purga”. According to the chief of the trainings, the degree of given tasks implementation demonstrated worthy level of mastership. He was glad with tactical and practical preparation of the staff.