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    • 97. 发明授权
    • Methods of preparing and using coated particulates
    • 制备和使用包衣颗粒的方法
    • US07063151B2
    • 2006-06-20
    • US10794076
    • 2004-03-05
    • Philip D. NguyenJimmie D. Weaver
    • Philip D. NguyenJimmie D. Weaver
    • E21B43/267E21B43/04
    • C09K8/805C09K8/508C09K8/62C09K8/64C09K8/66C09K2208/30Y10S507/901Y10S507/904Y10S507/924Y10T428/2998
    • The present invention involves methods of preparing coated particulates and using such coated particulates in subterranean applications such as production enhancement and sand control. One embodiment of the present invention provides a method of preparing coated particulates comprising the steps of coating particulates with a resin or a tackifying agent to create pre-coated particulates; and, covering the pre-coated particulates with a partitioning agent to create coated particulates. Another embodiment of the present invention provides a method of treating a subterranean formation comprising the steps of providing coated particulates made by a method comprising the steps of substantially coating particulates with a resin or a tackifying agent to create pre-coated particulates; and, substantially covering the pre-coated particulates with a partitioning agent to create coated particulates; substantially slurrying the coated particulates in a servicing fluid to create a coated particulate slurry; and, placing the coated particulate slurry into the subterranean formation.
    • 本发明涉及制备涂覆颗粒的方法,并且在地下应用中使用这种涂覆的颗粒,例如生产增强和防砂。 本发明的一个实施方案提供了一种制备涂覆颗粒的方法,包括以下步骤:用树脂或增粘剂涂覆颗粒以产生预涂颗粒; 并用划分剂覆盖预涂颗粒以产生涂覆的微粒。 本发明的另一个实施方案提供了一种处理地下地层的方法,包括以下步骤:提供通过包括以下步骤的方法制备的包覆微粒:基本上用树脂或增粘剂涂覆颗粒以产生预涂颗粒; 并用分配剂基本上覆盖预涂颗粒以产生涂覆的微粒; 将涂覆的颗粒基本上浆化在维修流体中以产生涂覆的颗粒浆料; 并将涂覆的颗粒浆料放置在地层中。