A method and an equipment for adjusting rock drilling

Details A method and an equipment for adjusting rock drilling A method and an equipment for adjusting rock drilling

E - Fixed Constructions

21

B

E21B 44/00 (2006.01) E21B 45/00 (2006.01)

Patent

CA 2109070

2109070 9219841 PCTABS00017 A method for optimizing rock drilling, wherein the drilling is adjusted by means of one or more adjustable parameters such as the feed rate and the rotation rate. In the method, a set value (Hs) of each adjustable parameter is deviated in accordance with a sinusoidal curve while integrating a change caused by the deviation in the penetration rate (x) and adding it to the set value (Hs) so that the set value (Hs) shifts closer to an optimum penetration rate (xopt).

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