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    • 1. 发明申请
    • METHODS OF DRILLING USING DIFFERING TYPES OF CUTTING ELEMENTS
    • 使用不同类型的切割元件进行钻孔的方法
    • US20110203850A1
    • 2011-08-25
    • US13098976
    • 2011-05-02
    • Eric E. McClainJohn C. ThomasSarvesh TyagiJack T. OldhamLester I. ClarkWilliam Heuser
    • Eric E. McClainJohn C. ThomasSarvesh TyagiJack T. OldhamLester I. ClarkWilliam Heuser
    • E21B7/00
    • E21B10/56E21B10/43E21B10/567E21B17/14E21B29/00E21B29/06
    • A drill bit includes a bit body having a face on which two different types of cutting elements are disposed, the first type being cutting elements suitable for drilling at least one subterranean formation and the second type being cutting elements suitable for drilling through a casing bit disposed at an end of a casing or liner string and cementing equipment or other components, if such are disposed within the casing or liner string, as well as cement inside as well as exterior to the casing or liner string. The second type of cutting elements exhibits a relatively greater exposure than the first type of cutting elements, so as to engage the interior of the casing bit and, if present, cementing equipment components and cement to drill therethrough, after which the second type of cutting elements quickly wears upon engagement with the subterranean formation material exterior to the casing bit, and the first type of cutting elements continues to drill the subterranean formation. The first type of cutting elements may comprise superabrasive cutting elements and the second type of cutting elements may comprise abrasive or superabrasive cutting elements comprising a plurality of configurations.
    • 钻头包括具有面的两个不同类型的切割元件的钻头体,第一类型是适合于钻取至少一个地下地层的切割元件,第二类型是适于通过设置的套管钻头进行钻孔的切割元件 在套管或衬管柱的一端,以及固井设备或其他部件,如果这些部件设置在壳体或衬套柱内,以及水泥内部以及外壳或衬套柱的外部。 第二类型的切割元件比第一类型的切割元件具有相对更大的曝光,以便接合套筒钻头的内部,如果存在的话,将固井设备部件和水泥钻入其中,之后进行第二种切割 元件在与套管钻头外部的地层形成材料接合时快速磨损,并且第一类型的切削元件继续钻入地层。 第一类型的切割元件可以包括超级磨料切割元件,并且第二类型的切割元件可以包括包括多个构造的磨料或超级磨料切割元件。
    • 2. 发明授权
    • Methods of drilling using differing types of cutting elements
    • 使用不同类型切割元件的钻孔方法
    • US08191654B2
    • 2012-06-05
    • US13098976
    • 2011-05-02
    • Eric E. McClainJohn C. ThomasSarvesh TyagiJack T. OldhamLester I. ClarkWilliam Heuser
    • Eric E. McClainJohn C. ThomasSarvesh TyagiJack T. OldhamLester I. ClarkWilliam Heuser
    • E21B7/04
    • E21B10/56E21B10/43E21B10/567E21B17/14E21B29/00E21B29/06
    • A drill bit includes a bit body having a face on which two different types of cutting elements are disposed, the first type being cutting elements suitable for drilling at least one subterranean formation and the second type being cutting elements suitable for drilling through a casing bit disposed at an end of a casing or liner string and cementing equipment or other components, if such are disposed within the casing or liner string, as well as cement inside as well as exterior to the casing or liner string. The second type of cutting elements exhibits a relatively greater exposure than the first type of cutting elements, so as to engage the interior of the casing bit and, if present, cementing equipment components and cement to drill therethrough, after which the second type of cutting elements quickly wears upon engagement with the subterranean formation material exterior to the casing bit, and the first type of cutting elements continues to drill the subterranean formation. The first type of cutting elements may comprise superabrasive cutting elements and the second type of cutting elements may comprise abrasive or superabrasive cutting elements comprising a plurality of configurations.
    • 钻头包括具有面的两个不同类型的切割元件的钻头体,第一类型是适合于钻取至少一个地下地层的切割元件,第二类型是适于通过设置的套管钻头进行钻孔的切割元件 在套管或衬管柱的一端,以及固井设备或其他部件,如果这些部件设置在壳体或衬套柱内,以及水泥内部以及外壳或衬套柱的外部。 第二类型的切割元件比第一类型的切割元件具有相对更大的曝光,以便接合套筒钻头的内部,如果存在的话,将固井设备部件和水泥钻入其中,之后进行第二种切割 元件在与套管钻头外部的地层形成材料接合时快速磨损,并且第一类型的切削元件继续钻入地层。 第一类型的切割元件可以包括超级磨料切割元件,并且第二类型的切割元件可以包括包括多个构造的磨料或超级磨料切割元件。
    • 3. 发明授权
    • Cutting elements configured for casing component drillout and earth boring drill bits including same
    • 配置用于套管部件排屑的切削元件和包括其的钻孔钻头
    • US07954570B2
    • 2011-06-07
    • US11524503
    • 2006-09-20
    • Eric E. McClainJohn C. ThomasSarvesh TyagiJack T. OldhamLester I. ClarkWilliam Heuser
    • Eric E. McClainJohn C. ThomasSarvesh TyagiJack T. OldhamLester I. ClarkWilliam Heuser
    • E21B10/46
    • E21B10/56E21B10/43E21B10/567E21B17/14E21B29/00E21B29/06
    • A drill bit includes a bit body having a face on which two different types of cutting elements are disposed, the first type being cutting elements suitable for drilling at least one subterranean formation and the second type being cutting elements suitable for drilling through a casing bit disposed at an end of a casing or liner string and cementing equipment or other components, if such are disposed within the casing or liner string, as well as cement inside as well as exterior to the casing or liner string. The second type of cutting elements exhibits a relatively greater exposure than the first type of cutting elements, so as to engage the interior of the casing bit and, if present, cementing equipment components and cement to drill therethrough, after which the second type of cutting elements quickly wears upon engagement with the subterranean formation material exterior to the casing bit, and the first type of cutting elements continues to drill the subterranean formation. The first type of cutting elements may comprise superabrasive cutting elements and the second type of cutting elements may comprise abrasive or superabrasive cutting elements comprising a plurality of configurations.
    • 钻头包括具有面的两个不同类型的切割元件的钻头体,第一类型是适合于钻取至少一个地下地层的切割元件,第二类型是适于通过设置的套管钻头进行钻孔的切割元件 在套管或衬管柱的一端,以及固井设备或其他部件,如果这些部件设置在壳体或衬套柱内,以及水泥内部以及外壳或衬套柱的外部。 第二类型的切割元件比第一类型的切割元件具有相对更大的曝光,以便接合套筒钻头的内部,如果存在的话,将固井设备部件和水泥钻入其中,之后进行第二种切割 元件在与套管钻头外部的地层形成材料接合时快速磨损,并且第一类型的切削元件继续钻入地层。 第一类型的切割元件可以包括超级磨料切割元件,并且第二类型的切割元件可以包括包括多个构造的磨料或超级磨料切割元件。