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首页> 外文会议>ASME international pipeline conference 2008 >SMARTBALL™ - A NEW APPROACH IN PIPELINE LEAK DETECTION
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SMARTBALL™ - A NEW APPROACH IN PIPELINE LEAK DETECTION

机译：SMARTBALL™-管道泄漏检测的新方法

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Early detection of leaks in hazardous materials pipelines is essential to reduce product loss and damage to the environment. Small undetected leaks can result in very high clean-up costs and have the potential to grow to more serious failures. There are a variety of methods that can detect leaks in pipelines, ranging from manual inspection to advanced satellite based imaging. Typically, most operators opt for a combination of CPM where available, and direct observation methodologies including aerial patrols, ground patrols and public awareness programs that are designed to encourage and facilitate the reporting of suspected leaks. Permanent monitoring sensors based on acoustic or other technologies are also available. These methods can be costly, and none can reliably detect small leaks regardless of their location in the line.rnSmart Ball is a radical new approach that combines the sensitivity of acoustic leak detection with the 100% coverage capability of in-line inspection. The free-swimming device is spherical and smaller than the pipe bore allowing it to roll silently through the line and achieve the highest responsiveness to small leaks. It can be launched and retrieved using conventional pig traps, but its size and shape allow it to negotiate obstacles that could otherwise render a pipeline unpiggable.The SmartBall technology was originally developed and successfully implemented for the water industry, and now refined for oil and gas pipelines over 4-inches in diameter. SmartBall has been proven capable of detecting leaks in liquid lines of less than 0.1 gallons per minute where conventional CPM methods can detect leaks no smaller than 1% of throughput. Development work is continuing to reduce the detection threshold still further.rnWhereas traditional acoustic monitoring techniques have focused on longitudinal deployment and spacing of acoustic sensors, the SmartBall uses only a single acoustic sensor that is deployed inside the pipeline. Propelled by the flow of product in the pipeline, the device will record all noise events as it traverses the length of the pipeline. This allows the acoustic sensor to pass in very close proximity to any leak whereby the sensor can detect very small leaks, whose noise signature can be clearly distinguished from any background noise.
机译：尽早发现有害物质管道中的泄漏对于减少产品损失和对环境的破坏至关重要。少量未发现的泄漏会导致很高的清理成本，并有可能发展为更严重的故障。有多种方法可以检测管道泄漏，从手动检查到基于高级卫星的成像。通常，大多数运营商会选择将CPM与可用的直接观察方法相结合，包括旨在鼓励和便利报告可疑泄漏的空中巡逻，地面巡逻和公众意识计划。也可以使用基于声学或其他技术的永久监控传感器。这些方法成本高昂，而且无论在管道中的位置如何，都无法可靠地检测到小泄漏。rnSmart Ball是一种全新的方法，将声学泄漏检测的灵敏度与在线检查的100％覆盖能力相结合。自由游动装置是球形的，并且比管孔小，从而使其可以无声地滚动通过管路，并能对小泄漏实现最高的响应度。可以使用常规的捕兽器进行发射和取回，但是它的大小和形状使它可以协商障碍，否则它们将使管道无法固定。SmartBall技术最初是为水工业开发并成功实施的，如今已针对石油和天然气进行了改进直径超过4英寸的管道。已证明SmartBall能够检测每分钟小于0.1加仑的液体管线中的泄漏，而传统的CPM方法可以检测到不少于1％吞吐量的泄漏。开发工作正在继续进一步降低检测阈值。尽管传统的声波监测技术集中于声波传感器的纵向部署和间距，但SmartBall仅使用管道内部署的单个声波传感器。受产品在管道中流动的推动，该设备将记录遍历管道长度的所有噪声事件。这允许声传感器非常靠近任何泄漏通过，从而传感器可以检测到非常小的泄漏，可以将其噪声特征与任何背景噪声区分开。

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