Electron-poor orthoester for generating acid in a well fluid
    13.
    发明授权
    Electron-poor orthoester for generating acid in a well fluid 有权
    用于在井液中产生酸的电子差的原酸酯

    公开(公告)号:US08955588B2

    公开(公告)日:2015-02-17

    申请号:US13608602

    申请日:2012-09-10

    CPC classification number: C09K8/72 C09K8/52 C09K8/74

    Abstract: In an embodiment, a method is provided including the steps of: (A) introducing a well fluid comprising an electron-poor orthoester into a well; and (B) allowing or causing the electron-poor orthoester to hydrolyze to produce an acid and an alcohol in the well. In another embodiment, a water-based well fluid is provided, the well fluid including: (A) a continuous aqueous phase having a pH of a least 6; (B) an electron-poor orthoester; and (C) a viscosity-increasing agent.

    Abstract translation: 在一个实施方案中,提供了一种方法,包括以下步骤:(A)将包含电子贫乏的原酸酯的井液引入井中; 和(B)允许或引起电子贫乏的原酸酯在井中水解以产生酸和醇。 在另一个实施方案中,提供了一种水基井液,井流体包括:(A)pH至少为6的连续水相; (B)无电子的原酸酯; 和(C)增粘剂。

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