FIELD: seismic prospecting. SUBSTANCE: source has casings connected in parallel. The casings are provided with upper and lower bottoms. Contact insulated from the casing of electrostarting unit is disposed in outer side of the same, for example, lower bottom. Through hole is made in the other bottom. Additional contact is disposed in the hole for longitudinal movement, for example, due to the pusher. This additional contact is connected to the phase of explosion duct which is insulated from the casing. The duct is formed by individual conductors. Such a design permits to provide serial explosion of charges of explosive matters disposed in each casing. EFFECT: improved reliability of operation. 1 dwg
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Authors
Dates
1994-04-30—Published
1992-01-22—Filed