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1. (US20150345225) Multimodal rock disintegration by thermal effect and system for performing the method

Office : United States of America
Application Number: 14653233 Application Date: 16.12.2013
Publication Number: 20150345225 Publication Date: 03.12.2015
Grant Number: 09822588 Grant Date: 21.11.2017
Publication Kind : B2
Prior PCT appl.: Application Number:PCTSK2013050015 ; Publication Number: Click to see the data
IPC:
E21B 7/14
E21B 7/15
E21B 7/18
E FIXED CONSTRUCTIONS
21
EARTH OR ROCK DRILLING; MINING
B
EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
7
Special methods or apparatus for drilling
14
Drilling by use of heat, e.g. flame drilling
E FIXED CONSTRUCTIONS
21
EARTH OR ROCK DRILLING; MINING
B
EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
7
Special methods or apparatus for drilling
14
Drilling by use of heat, e.g. flame drilling
15
of electrically generated heat
E FIXED CONSTRUCTIONS
21
EARTH OR ROCK DRILLING; MINING
B
EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
7
Special methods or apparatus for drilling
18
Drilling by liquid or gas jets, with or without entrained pellets
Applicants: GA DRILLING, A.S.
Inventors: Ivan Ko{hacek over (c)}i{hacek over (s)}
Agents: Hovey Williams LLP
Priority Data: 50058-2012 17.12.2012 SK
Title: (EN) Multimodal rock disintegration by thermal effect and system for performing the method
Abstract: front page image
(EN)

Multimodal rock disintegration by non-contact thermal effect, spallation, melting, evaporation of a rock through a movable electric arc, arc thermal expansion and subsequent shock pressure wave allows in comparison with currently available and known technologies to drill into the rock by direct action of the electric arc and heat flows generated by the electric arc. The principle of the disintegration is based on the electric arc generation, force action to it and pressing it towards the rock intended to disintegrate, which causes heating of the rock so that a phase change and thermal disintegration of the rock occurs. Subsequently, the crushed rock is transported by a fluid streams, which are involved in stabilizing and guiding of the electric arc, from the area between the rock and the electric arc, which is the area of the rock disintegration.


Also published as:
EP2941522WO/2014/098776