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    • 41. 发明申请
    • SOUND BAFFLE DEVICE AND SYSTEM FOR DETECTING ACOUSTIC SIGNALS
    • 声音设备和用于检测声音信号的系统
    • WO2015089658A1
    • 2015-06-25
    • PCT/CA2014/051213
    • 2014-12-15
    • HIFI ENGINEERING INC.
    • HULL, JohnGULEWICZ, NeilJALILIAN, Seyed Ehsan
    • E21B47/107E21B47/017E21B47/117
    • E21B47/101E21B41/00G10K11/002
    • A sound baffle device for use with an acoustic sensor deployed in a housing by a deployment line is disclosed. The sound baffle device comprises a radially extending baffle plate and an affixing mechanism for affixing the baffle plate to the deployment line. The baffle plate is configured to reduce acoustic transmission between a first zone of the housing on one side of the baffle plate and a second zone of the housing on an opposite side of the baffle plate. A system for detecting acoustic signals in a zone of interest in a housing is also disclosed. The system comprises an acoustic sensor positioned in the zone of interest and one or more than one sound baffle positioned between the zone of interest and a first zone of the housing. The sound baffle is configured to reduce acoustic transmission from the first zone to the zone of interest. The sound baffle provides some level of acoustic isolation between two zones on either side of the baffle plate thereby aiding detection and identification of acoustic signals in the zone of interest by reducing transmission of acoustic signals from the first zone to the zone of interest.
    • 公开了一种用于通过部署线路部署在壳体中的声学传感器使用的隔音装置。 隔音装置包括径向延伸的挡板和用于将挡板固定到展开线的固定机构。 所述挡板被构造成减小所述挡板的一侧上的所述壳体的第一区域与所述挡板相对侧上的所述壳体的第二区域之间的声传播。 还公开了一种用于检测壳体中感兴趣区域中的声信号的系统。 该系统包括位于感兴趣区域中的声学传感器和位于感兴趣区域和壳体的第一区域之间的一个或多个声音挡板。 声音挡板被配置为减少从第一区域到感兴趣区域的声学传播。 隔音板在挡板两侧的两个区域之间提供一定程度的声学隔离,从而通过减少从第一区域到感兴趣区域的声信号的传输来帮助检测和识别感兴趣区域中的声信号。
    • 44. 发明申请
    • LEAK DETECTION METHOD
    • 泄漏检测方法
    • WO0140627A8
    • 2002-08-15
    • PCT/EP0012032
    • 2000-11-29
    • SHELL INT RESEARCHSHELL CANADA LTD
    • HEIJNEN WILHELMUS HUBERTUS PAU
    • E21B47/117E21B47/10E21B47/14
    • E21B47/101
    • The method comprises the steps of: a) passing a sonic tool (15) provided with a transducer package (17, 18) capable of sending and receiving a sonic signal, through the well tubular; b) prior to start of hydrocarbon fluid production through the well, inducing the transducer package (17, 18) to transmit the sonic signal through the well tubular (9) and to receive a reflected signal, and making a primary registration of the reflected signal indicative of a leak-free well tubular; c) after start of hydrocarbon fluid production through the well, inducing the transducer package (17, 18) to transmit the sonic signal through the well tubular (9) and to receive a reflected signal, and making a secondary registration of the reflected signal indicative of an operational well tubular; d) comparing the primary and secondary registrations and detecting a leak in the well tubular from a difference between said registrations.
    • 该方法包括以下步骤:a)通过井管通过设置有能够发送和接收声音信号的换能器封装(17,18)的声波工具(15); b)在通过井开始烃流体生产之前,引导换能器封装(17,18)通过井管(9)传输声音信号并接收反射信号,并且对反射信号进行初次配准 表示无泄漏井管; c)在开始通过井的烃流体生产开始之后,诱导换能器封装(17,18)通过井筒(9)传输声音信号并接收反射信号,并且使反射信号的二次对准指示 的操作井管; d)比较一次和二次注册,并从所述注册之间的差异中检测井管中的泄漏。
    • 45. 发明申请
    • LEAK DETECTION METHOD
    • 泄漏检测方法
    • WO01040627A1
    • 2001-06-07
    • PCT/EP2000/012032
    • 2000-11-29
    • E21B47/117E21B47/10E21B47/14
    • E21B47/101
    • The method comprises the steps of: a) passing a sonic tool (15) provided with a transducer package (17, 18) capable of sending and receiving a sonic signal, through the well tubular; b) prior to start of hydrocarbon fluid production through the well, inducing the transducer package (17, 18) to transmit the sonic signal through the well tubular (9) and to receive a reflected signal, and making a primary registration of the reflected signal indicative of a leak-free well tubular; c) after start of hydrocarbon fluid production through the well, inducing the transducer package (17, 18) to transmit the sonic signal through the well tubular (9) and to receive a reflected signal, and making a secondary registration of the reflected signal indicative of an operational well tubular; d) comparing the primary and secondary registrations and detecting a leak in the well tubular from a difference between said registrations.
    • 该方法包括以下步骤:a)通过井管通过设置有能够发送和接收声音信号的换能器封装(17,18)的声波工具(15); b)在通过井开始烃流体生产之前,引导换能器封装(17,18)通过井管(9)传输声音信号并接收反射信号,并且对反射信号进行初次配准 表示无泄漏井管; c)在开始通过井的烃流体生产开始之后,诱导换能器封装(17,18)通过井管(9)传输声音信号并接收反射信号,并且使反射信号的二次对准指示 的操作井管; d)比较一次和二次注册,并从所述注册之间的差异中检测井管中的泄漏。