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Onshore

Seismic shot hole drilling is a critical part of Oil Exploration programs.  The process consists of drilling a series of vertical holes, up to 90 feet deep, at approximately 200 yard intervals.  The holes are then loaded with explosives and detonated in a precisely controlled sequence.  Geophones are placed to read the rebound energy from a detonation and the data is processed by the geophysical company at a later date to interpret the structural formation.  Dynamite is one of the two primary energy sources used for seismic programs.

 

 

NCA products used in onshore seismic exploration: