Deep kerfing in rocks with ultrahigh-pressure fan jets

A method and system for cutting kerfs in rock is shown and described. In one embodiment, a single fan jet is mounted in ultrahigh-pressure tubing. In an alternative embodiment, a manifold in which two fan jets are mounted is coupled to a manifold in which two round jets are mounted, such that the tw...

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Bibliographische Detailangaben
Hauptverfasser:	RAGHAVAN, CHIDAMBARAM
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MINING MINING OR QUARRYING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Beschreibung
Zusammenfassung:	A method and system for cutting kerfs in rock is shown and described. In one embodiment, a single fan jet is mounted in ultrahigh-pressure tubing. In an alternative embodiment, a manifold in which two fan jets are mounted is coupled to a manifold in which two round jets are mounted, such that the twin fan jets are directed so as to cover the entire width of the kerf and the round jets are directed towards the edges of the kerf to cut out a well defined kerf. In another alternative embodiment, an angled fan nozzle is mounted in ultrahigh-pressure tubing and combined in a system with another angled fan nozzle mounted in ultrahigh-pressure tubing such that the angled fan jets may be directed at opposite walls of a kerf to carve out a well defined kerf of a desired depth.