Non-cryogenic production of nitrogen for on-site injection in downhole drilling
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United States of America Patent
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Feb 14, 1995
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N/A
app pub date -
Jun 14, 1993
filing date -
Jun 14, 1993
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Abstract
There is disclosed a method for oil or gas drilling or the drilling of a geothermal well and the like in which a compressed inert gas, produced by the non-cryogenic separation of air is delivered to the drilling region of the downhole.
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