Method for removing solids and water from petroleum crudes
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United States of America Patent
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Oct 16, 1984
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N/A
app pub date -
Aug 12, 1983
filing date -
Jul 13, 1982
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Expired
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Abstract
Petroleum crudes, particularly heavy oil crudes produced by thermal or other enhanced recovery procedures, are treated to break the water-in-oil emulsion and reduce the BS&W content by use of additives, advantageously ammonium bisulfite, which act upon inorganic sulfur contained in the crude.
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