Method and apparatus for lateral well drilling utilizing an abrasive fluid stream discharged from a rotating nozzle
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United States of America Patent
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Mar 27, 2012
Grant Date -
Jul 9, 2009
app pub date -
Jan 8, 2009
filing date -
Jan 8, 2008
priority date (Note) -
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Abstract
A method and apparatus for penetrating a side of a well casing and/or drilling into earth strata surrounding the well casing, utilizing a rotating fluid discharge nozzle, and an abrasive introduced into the fluid downstream of apparatus for rotating the nozzle. Apparatus for rotating the nozzle can include a motor operable by pressurized fluid, or another suitable rotating power source The introduction of the abrasives will not adversely affect or harm the apparatus for rotating the nozzle, yet will provide the enhanced drilling capability. The abrasive stream can be used for drilling or cutting through a metal well casing, as well as cement and the adjacent strata.
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