Downhole electromagnetic heating tool and method of using same
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United States of America Patent
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Issued Date -
May 6, 2004
app pub date -
Nov 6, 2002
filing date -
Nov 6, 2002
priority date (Note) -
Abandoned
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Abstract
An induction tool for heating well casing and a method for using and manufacturing the tool. The tool comprises a magnetically permeability core and an electrically conductive coil surrounding the entire circumference of the core. The tool generates magnetic flux which flux is used to heat well casing adjacent to or acted upon by the tool. The heated well casing may be used to melt material used for well sealing.
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