DOWNHOLE TELEMETRY SYSTEM AND METHOD
    1.
    发明申请
    DOWNHOLE TELEMETRY SYSTEM AND METHOD 有权
    井下电报系统和方法

    公开(公告)号:US20050087368A1

    公开(公告)日:2005-04-28

    申请号:US10605730

    申请日:2003-10-22

    摘要: A cabled communication link for a drill string includes spaced apart adapter subs within the drill string and a cable connecting the adapter subs for communication of a signal therebetween. The cabled communication link may be drill pipe joints are interconnected within the drill string between adapter subs to form a piped communication link, whereby the cabled communication link establishes a pathway to the piped communication link for transmitting a signal through the drill string. The cabled communication link may also be in a non-wired section of the drill string is disposed between adapter subs, whereby the cabled communication link establishes a pathway for transmitting a signal through the non-wired section of the drill string. Inductive couplings are preferably used for communication across the adapter subs and wired drill pipe joints. Another aspect of the cabled communication employs wireless transceivers at or near the surface of the wellbore.

    摘要翻译: 用于钻柱的电缆通信链路包括在钻柱内的间隔开的适配器,以及连接适配器接头以用于在其间进行信号通信的电缆。 电缆通信链路可以是钻杆接头在适配器接头之间的钻柱内互连以形成管道通信链路,由此有线通信链路建立到管道通信链路的路径,用于通过钻柱发送信号。 电缆通信链路也可以在钻柱的非有线部分中设置在适配器接头之间,由此有线通信链路建立用于通过钻柱的非有线部分发送信号的路径。 电感耦合器最好用于通过适配器接头和有线钻杆接头进行通信。 电缆通信的另一方面在井眼表面处或附近采用无线收发器。

    METHOD AND APPARATUS FOR PERFORMING DIAGNOSTICS ON A DOWNHOLE COMMUNICATION SYSTEM
    2.
    发明申请
    METHOD AND APPARATUS FOR PERFORMING DIAGNOSTICS ON A DOWNHOLE COMMUNICATION SYSTEM 有权
    用于在井下通信系统中执行诊断的方法和装置

    公开(公告)号:US20050046591A1

    公开(公告)日:2005-03-03

    申请号:US10604986

    申请日:2003-08-29

    IPC分类号: E21B17/02 E21B47/12 G01V3/00

    CPC分类号: E21B17/028 E21B47/12

    摘要: A method for performing diagnostics on a wired drill pipe telemetry system of a downhole drilling system is provided. The method includes passing a signal through a plurality of drill pipe in the wired drill pipe (WDP) telemetry system, receiving the signal from the WDP telemetry system, measuring parameters of the received signal and comparing characteristics of the received signal parameters against a known reference to identify variations therein whereby a fault in the wired drill pipe telemetry system is identified. The signal, in the form of a waveform or a pulse, is passed through the WDP telemetry system. The impedance and/or time delay of the received signal is measured. By analyzing variations, such as resonance and/or reflections in the signal, the existence and/or location of a fault in the WDP telemetry system may be determined.

    摘要翻译: 提供了一种在井下钻井系统的有线钻杆遥测系统上执行诊断的方法。 该方法包括使信号通过有线钻杆(WDP)遥测系统中的多个钻杆,从WDP遥测系统接收信号,测量接收信号的参数,并将接收到的信号参数的特性与已知参考值进行比较 以识别其中的变化,从而识别有线钻杆遥测系统中的故障。 波形或脉冲形式的信号通过WDP遥测系统。 测量接收信号的阻抗和/或时间延迟。 通过分析诸如信号中的共振和/或反射的变化,可以确定WDP遥测系统中的故障的存在和/或位置。

    METHOD AND CONDUIT FOR TRANSMITTING SIGNALS
    3.
    发明申请
    METHOD AND CONDUIT FOR TRANSMITTING SIGNALS 有权
    用于发送信号的方法和传输

    公开(公告)号:US20070159351A1

    公开(公告)日:2007-07-12

    申请号:US11564024

    申请日:2006-11-28

    IPC分类号: G01V3/00

    摘要: A wired drill pipe for a drill string of a downhole tool positioned in a wellbore penetrating a subterranean formation is provided. The wired drill pipe includes a drill pipe, a cable and a wire retainer. The drill pipe has a slot at each end thereof. The slots are adapted to receive at least one transformer. The drill pipe has an inner surface defining a passage for the flow of mud therethrough. The cable extends from the transformer into the passage of the drill pipe. The wire retainer is positioned on the inner surface of the drill pipe. The wire retainer is adapted to secure the cable therein.

    摘要翻译: 提供了一种用于井下工具的钻柱的有线钻杆,其位于穿透地下地层的井眼中。 有线钻杆包括钻杆,电缆和电线保持器。 钻杆在其两端具有槽。 槽适于接收至少一个变压器。 钻杆具有内表面,该内表面限定通过其中的泥浆流通道。 电缆从变压器延伸到钻杆的通道中。 电线保持器位于钻杆的内表面上。 电线保持器适于将电缆固定在其中。

    METHOD AND CONDUIT FOR TRANSMITTING SIGNALS
    4.
    发明申请
    METHOD AND CONDUIT FOR TRANSMITTING SIGNALS 有权
    用于发送信号的方法和传输

    公开(公告)号:US20060225926A1

    公开(公告)日:2006-10-12

    申请号:US10907419

    申请日:2005-03-31

    IPC分类号: E21B17/00

    摘要: An expandable tubular sleeve having utility for lining a downhole tubular member includes a tubular body having a portion that is predisposed to initiate expansion thereof under the application of internal fluid pressure. The predisposed portion of the body may be a plastically-deformed portion formed, e.g., by application of mechanical force to a wall of the body. The predisposed portion of the body may be defined by a portion of the body having reduced wall thickness. The reduced wall thickness may be achieved, e.g., by reinforcing the wall thickness everywhere except the predisposed portion. The predisposed portion of the body may be formed by modifying the material properties of the body, e.g., by localized heat treatment. The sleeve and related apparatuses and methods are useful for securing and protecting a cable having one or more insulated conductive wires for transmission of signals between locations downhole and at the surface.

    摘要翻译: 具有用于衬套井下管状构件的可膨胀管状套管包括管状体,其具有在内部流体压力的应用下倾向于引发其膨胀的部分。 身体的易位部分可以是例如通过向身体的壁施加机械力而形成的塑性变形部分。 主体的易位部分可以由具有减小的壁厚的主体的一部分限定。 减小的壁厚可以例如通过增强除了预定部分之外的任何地方的壁厚来实现。 可以通过例如通过局部热处理来改变身体的材料性质来形成身体的易位部分。 套筒和相关装置和方法可用于固定和保护具有一个或多个绝缘导线的电缆,用于在井下和地面之间的位置之间传输信号。