The letter took place in the format of the 21 International Oil and Gas Congress that was held in Moscow. In the event took part famous companies, Ministries of Energy and Oil from various countries. Besides, in Amsterdam the 76th EAGE Conference and Exhibition was held where the producers shared the recent developments in the fields of geophysics, geology and engineering. There Seismotekhnika represented vibroseis sources of seismic signals СВ-30/120М and СВ-30/120Н, as well as the control units for vibroseis sources.