Talk:Extraction of petroleum

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Detergents?[edit]

"Occasionally, detergents are also used to decrease oil viscosity as a tertiary oil recovery method." This is not true. Detergents (usually referred to as surfactants within the oil industry) do not reduce the viscosity of the oil. They reduce interfacial tension between water and oil, thereby mobilizing immobile oil, leading to a lower residual oil saturation. —Preceding unsigned comment added by 129.177.48.33 (talk) 14:03, 6 December 2007 (UTC)

Quaternary Recovery[edit]

Cite some reliable sources before 'adding a new term, which you coined'--Work permit (talk) 08:53, 31 May 2009 (UTC)

Rates of extraction[edit]

why there is no graphs of rates of extraction of oil?--201.201.1.162 (talk) 18:11, 18 February 2010 (UTC)

Transvac advertisement[edit]

External link at the end is a blatant advert for one product - link should be removed. — Preceding unsigned comment added by [[User:{{{1}}}|{{{1}}}]] ([[User talk:{{{1}}}|talk]] • [[Special:Contributions/{{{1}}}|contribs]])