Method for inhibiting hydrate formation
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United States of America Patent
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Jul 19, 1994
Grant Date -
N/A
app pub date -
Oct 1, 1992
filing date -
Oct 10, 1991
priority date (Note) -
Expired
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Abstract
A method for inhibiting or retarding gas hydrate formation comprises adding a solution of a compound of formula: ##STR1## wherein R=OH, OCH.sub.3, OC.sub.2 H.sub.5, NHNH.sub.2 or H R'=NH.sub.2 or NH.sub.3.sup.+ X,Y,Z=H or OH, and n=a number in the range 0 to 6, or a polymer thereof when R'=NH.sub.2, the compound or polymer thereof being added in an amount effective to inhibit or retard hydrate formation, to a medium susceptible to gas hydrate formation, e.g. fluids produced from an oil well, particularly an offshore oil well.
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