METHOD FOR IMPROVING THE FLOW CONDITIONS IN PIPES THAT HAVE BEEN USED FOR TRANSPORTING HEAVY OR EXTRA-HEAVY CRUDES OR CRUDES WITH HIGH ASPHALTENE CONTENT
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United States of America Patent
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Issued Date -
Apr 25, 2013
app pub date -
Oct 19, 2012
filing date -
Dec 20, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for altering flow conditions in a pipe includes the steps of preparing a mixture of a surfactant, a co-surfactant and a carrier fluid; transporting the mixture to a pipe having inner flow surfaces and hydrocarbons adhered to the inner flow surfaces; and holding the mixture in the pipe for a period of time sufficient to form a water film over the inner flow surfaces and over the hydrocarbons adhered to the inner flow surfaces.
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