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Nuclear magnetic resonance petroleum transmission pipeline leakage hidden danger detecting instrument and detecting method

A technology for hidden danger detectors and oil pipelines, which is applied in pipeline systems, mechanical equipment, gas/liquid distribution and storage, etc., to achieve the effects of improving detection efficiency, enhancing realizability, and improving signal-to-noise ratio

Active Publication Date: 2014-04-09
CHINA PETROLEUM & CHEM CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method can detect tiny leaks and locate them, but requires installation at the same time as the pipeline during pipeline construction

Method used

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  • Nuclear magnetic resonance petroleum transmission pipeline leakage hidden danger detecting instrument and detecting method
  • Nuclear magnetic resonance petroleum transmission pipeline leakage hidden danger detecting instrument and detecting method
  • Nuclear magnetic resonance petroleum transmission pipeline leakage hidden danger detecting instrument and detecting method

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Embodiment

[0033] see figure 1 , figure 2 and image 3 , the present invention is a nuclear magnetic resonance oil pipeline leakage hidden danger detector, comprising a host 1 and a communication controller 2 connected thereto, characterized in that the communication controller 2 is connected with a transmitting / receiving control unit, and the transmitting / receiving control unit The receiving control unit includes a transmitting / receiving controller 3, a transmitting circuit 4, a bridge controller 7, a resonant capacitor 6, a transmitting coil 13, a power supply 5 and a signal acquisition / receiver 8, and the control terminal of the transmitting / receiving controller 3 Connected with the transmitting circuit 4, the output terminals of the transmitting circuit 4 are respectively connected with the resonant capacitor 6 and the power supply 5, the output terminals of the power supply 5 and the resonant capacitor 6 are respectively connected with the bridge controller 7, and the bridge contr...

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Abstract

The invention discloses a nuclear magnetic resonance petroleum transmission pipeline leakage hidden danger detecting instrument and detecting method, and belongs to the technical field of detection. According to the technical scheme, the nuclear magnetic resonance petroleum transmission pipeline leakage hidden danger detecting instrument comprises a detecting instrument body and a communication controller connected with the detecting instrument body, wherein the communication controller is connected with a transmitting / receiving control unit; the transmitting / receiving control unit comprises a transmitting / receiving controller, a transmitting circuit, a bridge circuit controller, a resonant capacitor, a transmitting coil, a power source and a signal collecting / receiving device; the signal collecting / receiving device is composed of first to Nth collecting units and first to Nth receiving coils corresponding to the first to Nth collecting units. The nuclear magnetic resonance petroleum transmission pipeline leakage hidden danger detecting instrument and detecting method have the advantages that the leakage position of a petroleum transmission pipeline can be directly measured through the nuclear magnetic resonance technology, the detecting precision is high, measurement is carried out many times, the signal to noise ratio of received signals is improved, an arch board and the petroleum transmission pipeline are matched to carry out detection, damage to the pipeline is reduced, the detection efficiency is high, and detection is convenient.

Description

[0001] technical field [0002] The invention relates to the technical field of oil pipeline leakage detection, in particular to a nuclear magnetic resonance oil pipeline leakage hidden danger detector and detection method. [0003] Background technique [0004] Leakage is the main failure in the operation of oil pipelines. During the operation of oil pipelines, due to corrosion, perforation and other external force damage, leakage accidents occur from time to time, causing huge economic losses to the oil field. Therefore, leakage monitoring has not only become an important work content of oil pipeline safety production management, but also an indispensable guarantee to ensure the normal operation of pipelines. The automatic leakage monitoring technology of oil pipelines has been widely used in foreign countries, and developed countries such as the United States must adopt effective leakage monitoring systems for pipelines. The research on pipeline leak detection technol...

Claims

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Application Information

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IPC IPC(8): F17D5/06
Inventor 王观军陈健飞杨勇王安泉刘晶姝刘瑾董辉盛华刘海波陈丽娜
Owner CHINA PETROLEUM & CHEM CORP
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