S in subsoil and related apparatus
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United States of America Patent
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Oct 15, 2013
Grant Date -
Apr 21, 2011
app pub date -
Oct 18, 2010
filing date -
Oct 19, 2009
priority date (Note) -
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Abstract
The present invention relates to a process and related apparatus for determining the presence and/or quantity of H2S in the drilling debris of a subsoil layer comprising the following working steps: recovering the drilling debris of a layer; degassing the drilling debris from the previous recovery step, and separating a gaseous phase from said debris; clearing the gas released in the step of degassing, and conveying towards an H2S detector; determining the possible presence and/or quantity of H2S in the gaseous phase from the steps of degassing and clearing by means of a suitable means of detection; possible repetition of the previous phases at two layers, at least of the subsoil at different levels of depth in relation to the surface, with consequent determination of a distribution profile of H2S in the subsoil.
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