WELL BORING WITH BLASTING AGENTS

摘要

The invention pertains to a well (1) boring method (10) involving the use of blasting agents, whereby drillings are made at various successive levels (12, 13), for each of which a plurality of blasting charges (16) are provided. To each level corresponds an addressable switch (14) which, when in a position of rest, powers on the ignition circuit (11) and, when in an operating position, isolates said ignition circuit to connect it to an ignition control device (15) for the corresponding boring level.