Salt Solutions for Hydrate Plug Inhibition and Removal
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United States of America Patent
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Oct 27, 2016
app pub date -
Apr 26, 2016
filing date -
Apr 27, 2015
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Abstract
The present development is for chemical composition and method for use in the oil and gas industry to reduce the risk of formation of hydrate plugs and to facilitate the removal of hydrate plugs if they do form. Specifically, the present development comprises an aqueous salt solution at a concentration high enough to create a sufficient freezing point depression in a natural gas mixture to effectively inhibit the formation of a hydrate plug. Optionally, the composition may further comprise a low molecular weight alcohol and/or a glycol and/or a low concentration corrosion inhibitor.
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