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2002•Journal of Changchun University of Science and TechnologyRequires access

INDOOR EXPERIMENTAL STUDY OF THE FOAM DTH HAMMER

Yue Xiao

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Abstract

Foam DTH hammer has both the property of foam drilling and the advantage of DTH drilling. This experiment based on WC-70 DTH hammer, study the influence of foam on the DTH hammer. The results indicate that although the impact frequency of DTH hammer decreased somehow, the impact power increased. Conclusion is that foam DTH drilling is feasible with a normal DTH hammer plus appropriate equipments and reasonable drilling technique.

About this research paper

What this paper is about

Foam DTH hammer has both the property of foam drilling and the advantage of DTH drilling. This experiment based on WC-70 DTH hammer, study the influence of foam on the DTH hammer. The results indicate that although the impact frequency of DTH hammer decreased somehow, the impact power increased. Conclusion is that foam DTH drilling is feasible with a normal DTH hammer plus appropriate equipments and reasonable drilling technique.

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Available abstract

Foam DTH hammer has both the property of foam drilling and the advantage of DTH drilling. This experiment based on WC-70 DTH hammer, study the influence of foam on the DTH hammer. The results indicate that although the impact frequency of DTH hammer decreased somehow, the impact power increased. Conclusion is that foam DTH drilling is feasible with a normal DTH hammer plus appropriate equipments and reasonable drilling technique.

Key concepts: Hammer, Drilling, Materials science, Composite material, Petroleum engineering, Structural engineering, Engineering, Metallurgy

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