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    • 5. 发明授权
    • Element for use in an inductive coupler for downhole drilling components
    • 用于井下钻井部件的电感耦合器的元件
    • US07098767B2
    • 2006-08-29
    • US10708793
    • 2004-03-25
    • David R. HallH. Tracy Hall, Jr.David S. PixtonScott DahlgrenJoe FoxCameron Sneddon
    • David R. HallH. Tracy Hall, Jr.David S. PixtonScott DahlgrenJoe FoxCameron Sneddon
    • H01F27/24
    • E21B17/028F16L15/001F16L25/01H01F38/14H01R13/533
    • The present invention includes an element for use in an inductive coupler in a downhole component. The element includes a plurality of ductile, generally U-shaped leaves that are electrically conductive. The leaves are less than about 0.0625″ thick and are separated by an electrically insulating material. These leaves are aligned so as to form a generally circular trough. The invention also includes an inductive coupler for use in downhole components, the inductive coupler including an annular housing having a recess with a magnetically conductive, electrically insulating (MCEI) element disposed in the recess. The MCEI element includes a plurality of segments where each segment further includes a plurality of ductile, generally U-shaped electrically conductive leaves. Each leaf is less than about 0.0625″ thick and separated from the otherwise adjacent leaves by electrically insulating material. The segments and leaves are aligned so as to form a generally circular trough. The inductive coupler further includes an insulated conductor disposed within the generally circular trough. A polymer fills spaces between otherwise adjacent segments, the annular housing, insulated conductor, and further fills the circular trough.
    • 本发明包括用于井下部件中的电感耦合器的元件。 元件包括导电的多个延性大体为U形的叶片。 叶子厚度小于约0.0625“,并被电绝缘材料分开。 这些叶片对准以形成大致圆形槽。 本发明还包括用于井下部件的电感耦合器,所述感应耦合器包括环形壳体,该环形壳体具有设置在所述凹部中的具有导电,电绝缘(M​​CEI)元件的凹部。 MCEI元件包括多个段,其中每个段还包括多个延性大体为U形的导电叶。 每个叶片厚度小于约0.0625“,并通过电绝缘材料与其他相邻叶片分离。 分段和叶片对准以形成大致圆形槽。 电感耦合器还包括设置在大致圆形槽内的绝缘导体。 聚合物填充其他相邻节段之间的空间,环形壳体,绝缘导体,并进一步填充圆形槽。
    • 9. 发明授权
    • Data transmission element for downhole drilling components
    • 用于井下钻井部件的数据传输元件
    • US06992554B2
    • 2006-01-31
    • US10707234
    • 2003-11-29
    • David R. HallH. Tracy Hall, Jr.David S. PixtonScott DahlgrenJoe FoxCameron SneddonMichael Briscoe
    • David R. HallH. Tracy Hall, Jr.David S. PixtonScott DahlgrenJoe FoxCameron SneddonMichael Briscoe
    • H01F27/02
    • F16L15/001E21B17/028E21B47/122F16L25/01H01R13/533
    • A robust data transmission element for transmitting information between downhole components, such as sections of drill pipe, in the presence of hostile environmental conditions, such as heat, dirt, rocks, mud, fluids, lubricants, and the like. The data transmission element components include a generally U-shaped annular housing, a generally U-shaped magnetically conductive, electrically insulating element such as ferrite, and an insulated conductor. Features on the magnetically conducting, electrically insulating element and the annular housing create a pocket when assembled. The data transmission element is filled with a polymer to retain the components within the annular housing by filling the pocket with the polymer. The polymer can bond with the annular housing and the insulated conductor but preferably not the magnetically conductive, electrically insulating element. A data transmission element is mounted within a recess proximate a mating surface of a downhole drilling component, such as a section of drill pipe.
    • 一种用于在诸如热,污物,岩石,泥浆,流体,润滑剂等恶劣环境条件的情况下在井下部件之间传输信息的鲁棒数据传输元件,例如钻杆的部分。 数据传输元件部件包括大致U形的环形壳体,大致为U形的导电的电绝缘元件,例如铁氧体,以及绝缘导体。 导电,电绝缘元件和环形壳体上的特征在组装时形成一个口袋。 数据传输元件填充有聚合物,以通过用聚合物填充袋来将部件保持在环形壳体内。 聚合物可以与环形壳体和绝缘导体结合,但优选不是导电的,电绝缘的元件。 数据传输元件安装在靠近井下钻井部件(例如钻杆的一部分)的配合表面附近的凹部内。