Methods and systems for robust and accurate determination of wireline depth in a borehole
    41.
    发明申请
    Methods and systems for robust and accurate determination of wireline depth in a borehole 有权
    方法和系统,用于牢固而准确地确定钻孔中的电缆深度

    公开(公告)号:US20070131418A1

    公开(公告)日:2007-06-14

    申请号:US11300573

    申请日:2005-12-14

    CPC classification number: E21B47/04

    Abstract: This invention relates in general to measuring depth of well-tools, such as logging tools or the like, in a borehole. Embodiments of the present invention may provide for disposing transponders along a wireline that may be used to suspend and move the well-tool in the borehole, where the transponders may be disposed along the wireline at predetermined locations. A reader may be located at a reference location and may read when a transponder passes through the reference location and this information may be used to determine the depth of the well-tool in the borehole. Additionally, this invention provides for combining depth measurements from the transponders with measurements from odometer wheels in frictional contact with the wireline and/or time of flight measurements of optical pulses passed along a fiber optic cable coupled with the wireline to accurately and robustly measure the depth of the wireline in the borehole.

    Abstract translation: 本发明一般涉及在钻孔中测量诸如测井工具等的井具的深度。 本发明的实施例可以提供沿着电缆布置应答器,其可以用于悬挂和移动钻孔中的井具,其中应答器可以沿着预定位置的电缆布置。 读取器可以位于参考位置,并且当应答器通过参考位置时可以读取,并且该信息可以用于确定井眼中的井具的深度。 另外,本发明提供了将来自转发器的深度测量结果与来自里程计轮的测量结果与电缆摩擦接触和/或沿着与电缆耦合的光纤电缆通过的光脉冲的飞行时间测量结果精确地和鲁棒地测量深度 的钻孔中的电缆。

    Technique and apparatus for completing multiple zones
    42.
    发明申请
    Technique and apparatus for completing multiple zones 有权
    完成多个区域的技术和设备

    公开(公告)号:US20060124312A1

    公开(公告)日:2006-06-15

    申请号:US11081005

    申请日:2005-03-15

    CPC classification number: E21B23/02 E21B43/14 E21B43/26

    Abstract: An apparatus that is usable with a well includes a string and a plurality of tools that are mounted in the string. The string includes a passageway. The tools are mounted in the string and are adapted to be placed in a state to catch objects (free-falling objects and/or pumped-down objects, as just a few examples) of substantially the same size, which are communicated downhole through the passageway.

    Abstract translation: 可与井一起使用的装置包括串和安装在绳中的多个工具。 该字符串包括通道。 这些工具被安装在绳子中,并且适于被置于处于基本上相同尺寸的物体(自由下落的物体和/或抽空物体(例如仅仅是几个例子))的状态,这些物体通过 通道。

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