Heavy oil rheology modifiers for flow improvement during production and transportation operations
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United States of America
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Sep 10, 2019
Grant Date -
Jul 13, 2017
app pub date -
Jan 6, 2017
filing date -
Jan 6, 2017
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Abstract
The present invention generally relates to methods for enhancing production and transportation of heavy and extra-heavy crude oil and for reducing the growth of asphaltene flocculants or hindering their formation, the methods comprising contacting an oil-soluble composition that comprises polyetheramines, tallow amines, tallow diamines, alkylphenol-formaldehyde resins, reaction products of alpha-olefin, maleic anhydride and pentaerythritol, or a combination thereof, with the heavy or extra-heavy crude oil.
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