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    • 6. 发明申请
    • A METHOD FOR STIMULATING A SUBSURFACE TARGET MATERIAL AND ASSOCIATED APPARATUS
    • 用于刺激表面目标材料和相关装置的方法
    • WO2011010099A1
    • 2011-01-27
    • PCT/GB2010/001390
    • 2010-07-22
    • RUDD, Wayne
    • RUDD, Wayne
    • G01V1/00
    • G01V11/00E21B28/00E21B31/005E21B43/003
    • A method for providing for stimulating a subterranean target material (620) comprises: transmitting an inspection signal (615) comprising a plurality of frequencies to a subterranean target material; receiving a stimulated signal (627) in response to transmitting of the inspection signal, the stimulated signal indicative of at least one excitable frequency of the target material; analysing the stimulated signal to identify at least one excitable frequency of the target material so as to provide for stimulating of the target material, and transmitting an excitation signal (645) to the target material for stimulation. The target material may be material ahead of a drill bit, or may be material at a contact location between tubing and a drill string.
    • 一种用于刺激地下目标材料(620)的方法包括:将包含多个频率的检查信号(615)传送到地下目标材料; 响应于所述检查信号的发送而接收受激信号(627),所述被激励信号指示所述目标材料的至少一个可激发频率; 分析所述受激信号以识别所述目标材料的至少一个可激发频率,以便提供所述目标材料的刺激,以及将激发信号(645)传输到所述目标材料以进行刺激。 目标材料可以是钻头之前的材料,或者可以是在管道和钻柱之间的接触位置处的材料。
    • 7. 发明申请
    • A METHOD FOR DETERMINING FLOW CHARACTERISTICS OF A MEDIUM AND ASSOCIATED APPARATUS
    • 用于确定中等和相关设备的流量特性的方法
    • WO2011010097A1
    • 2011-01-27
    • PCT/GB2010/001387
    • 2010-07-22
    • RUDD, WayneLINNETT, Laurie
    • RUDD, WayneLINNETT, Laurie
    • G01F1/66
    • G01F1/667G01F1/74
    • Apparatus and methods for determining flow characteristics (e.g. flow rate, direction of flow, mass flow rate, etc.) of a multi-layered medium are described, such as a multi-layered medium in a pipeline. Such a multi-layered medium may be considered to have a first layer and second layer and an interface region, wherein the interface region is defined between the first and second layers. In some examples, a flow characteristic can be determined by using the time of flight of advanced signal communicated in a particular manner across the medium with the time of flight of a retarded signal communicated in a different manner across the medium, such that it is possible to use the time of flights together with a static speed of the advanced and retarded signal in both the first and second layers and the location of the interface region in order to determine the flow characteristics of the medium.
    • 描述了用于确定多层介质的流动特性(例如流速,流动方向,质量流率等)的装置和方法,例如管道中的多层介质。 这种多层介质可以被认为具有第一层和第二层以及界面区域,其中界面区域被限定在第一层和第二层之间。 在一些示例中,可以通过使用以特定方式通过介质传播的先进信号的飞行时间来确定流量特性,其中延迟信号的飞行时间以不同的方式跨越介质传送,使得可能 使用飞行时间以及第一和第二层中的先进和延迟信号的静态速度以及界面区域的位置,以便确定介质的流动特性。
    • 8. 发明申请
    • DISTANCE MEASUREMENT METHOD AND APPARATUS
    • 距离测量方法和设备
    • WO2009136149A1
    • 2009-11-12
    • PCT/GB2009/001120
    • 2009-05-06
    • RUDD, WayneLINNETT, Laurie
    • RUDD, WayneLINNETT, Laurie
    • G01S13/10G01S13/36G01S15/10G01S15/36
    • G01S13/106G01S13/36G01S15/107G01S15/36
    • There is provided a method and associated apparatus for measurement. Specifically, a method for determining a distance travelled by a signal in a medium, or the time of flight of a signal travelled. The method comprises considering an unambiguous range wherein the unambiguous range greater than a distance to be travelled by a signal. A signal is then transmitted across the distance to be determined, the signal comprising at least two frequency components, the frequency components based on the unambiguous range and the speed of the signal in the medium. The distance travelled (or the time of flight) is determined by using the variance of the received phase characteristics, such as phase angle) of one frequency component of the received signal with the received phase characteristics of another frequency component of the received signal.
    • 提供了一种用于测量的方法和相关联的装置。 具体地说,一种确定由介质中的信号行进的距离或行进的信号的飞行时间的方法。 该方法包括考虑一个明确的范围,其中明确的范围大于由信号行进的距离。 然后在要确定的距离上传输信号,信号包括至少两个频率分量,基于介质中的明确范围和信号速度的频率分量。 通过使用接收信号的一个频率分量的接收相位特性的方差(例如相位角)与接收信号的另一频率分量的接收相位特性来确定行驶的距离(或飞行时间)。