4.
    发明专利
    未知

    公开(公告)号:NO20100848L

    公开(公告)日:2010-06-25

    申请号:NO20100848

    申请日:2010-06-15

    Applicant: STATOIL ASA

    Abstract: A process for the preparation of at least one ARN acid or salt thereof comprising: (I) allowing at least one ARN acid salt to form during the production of crude oil in the presence of water; (II) removing at least 5 wt % of the formed at least one ARN acid salt, e.g. from the oil water interface; and optionally (III) converting said salt into an acid.

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