Method for optimizing rock drilling

Details Method for optimizing rock drilling Method for optimizing rock drilling

E - Fixed Constructions

21

B

255/19

E21B 19/08 (2006.01) E21B 44/00 (2006.01) E21B 44/02 (2006.01)

Patent

CA 1229081

Abstract of the Disclosure A method for optimizing percussive drilling, especially rock drilling, in which method the operation of the drilling device is adjusted for a desired drilling result to be obtained. According to the invention, a stress wave created in a drill rod as a result of a stroke is measured and the drilling device is adjusted on the basis of the measured stress wave. The adjusting is carried out e.g. by means of the damping rate or the spectrum of the measured stress wave or the shape of the stress wave and/or the energy fed by the different portions thereof.

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