PROTECTIVE COATINGS FOR DRILL PIPE AND ASSOCIATED METHODS
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United States of America Patent
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Issued Date -
Jun 12, 2008
app pub date -
Sep 12, 2007
filing date -
Sep 13, 2006
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Abandoned
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Abstract
A coated drill pipe for use in drilling ground such as in rotary drilling for explorative geophysics and associated methods and systems are disclosed and described. A protective coating can be coated over at least a portion of an exterior or interior surface of the drill pipe. The protective coating can include a polyurea such as an aromatic polyurea, a silicone modified polyurea, or an aluminized polyurea. Drill pipes can be shielded by coating a drill pipe with a polyurea composition such as by spray coating. In connection with suitable systems and coated or uncoated well casings, these coated drill pipes can perform for dramatically extended periods of time over conventional drill pipes.
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