AKALINE SCALE MITIGATION TREATMENT METHOD
    15.
    发明公开

    公开(公告)号:US20240218238A1

    公开(公告)日:2024-07-04

    申请号:US18607916

    申请日:2024-03-18

    CPC classification number: C09K8/528

    Abstract: A method of removing a sulfate scale from a surface is provided. The method includes contacting the sulfate-comprising scale with a conversion solution including 1 to 10 wt. % of an alkali metal carbonate, 0.5 to 10 wt. % of a borate salt or hydrate thereof, and 0.5 to 2.5 wt. % of a base to produce a carbonate-comprising scale. The method further includes exposing the carbonate-comprising scale with an acid solution including 2.5 to 25 wt. % of an acid.

    OIL/GAS PIPELINE TREATMENT METHOD
    16.
    发明公开

    公开(公告)号:US20240218236A1

    公开(公告)日:2024-07-04

    申请号:US18607836

    申请日:2024-03-18

    CPC classification number: C09K8/528

    Abstract: A method of removing a sulfate scale from a surface is provided. The method includes contacting the sulfate-comprising scale with a conversion solution including 1 to 10 wt. % of an alkali metal carbonate, 0.5 to 10 wt. % of a borate salt or hydrate thereof, and 0.5 to 2.5 wt. % of a base to produce a carbonate-comprising scale. The method further includes exposing the carbonate-comprising scale with an acid solution including 2.5 to 25 wt. % of an acid.

    METHOD OF REMOVING SULFATE SCALE
    18.
    发明申请

    公开(公告)号:US20230076912A1

    公开(公告)日:2023-03-09

    申请号:US17671103

    申请日:2022-02-14

    Abstract: A method of removing a sulfate scale from a surface is provided. The method includes contacting the sulfate-comprising scale with a conversion solution including 1 to 10 wt. % of an alkali metal carbonate, 0.5 to 10 wt. % of a borate salt or hydrate thereof, and 0.5 to 2.5 wt. % of a base to produce a carbonate-comprising scale. The method further includes exposing the carbonate-comprising scale with an acid solution including 2.5 to 25 wt. % of an acid.

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