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Ultrasonic phased array automatic detection device and detection method for gas storage wells

An automatic detection device, ultrasonic phased array technology, applied in the use of sound waves/ultrasonic waves/infrasonic waves to analyze solids, etc., can solve the problems of longer focal length, unfavorable detection sensitivity, unfavorable lateral resolution, etc., to reduce interference and not easy to leak The effect of inspection and improvement of detection efficiency

Active Publication Date: 2016-10-05
ZHEJIANG PROVINCIAL SPECIAL EQUIP INSPECTION & RES INST
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Problems solved by technology

Although the detection efficiency of the built-in rotary ultrasonic detection (IRIS) is high, the ultrasonic probe is placed in the middle and reflected by a 45° mirror, which makes the focal length longer. On the one hand, it is not conducive to the improvement of detection sensitivity, and on the other hand, it is not conducive to lateral resolution strength improvement

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  • Ultrasonic phased array automatic detection device and detection method for gas storage wells
  • Ultrasonic phased array automatic detection device and detection method for gas storage wells
  • Ultrasonic phased array automatic detection device and detection method for gas storage wells

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Embodiment Construction

[0038] The present invention will be further described below in conjunction with the accompanying drawings, but the present invention is not limited to the following examples.

[0039] The CNG gas storage well is a high-pressure pressure vessel buried vertically in the ground, with a length of 100-300m. The steel pipes of each section are connected by threaded casings. The specifications of the steel casings mainly include Φ177×10.36mm and Φ244.5×X11.99mm. , Cement is poured outside the well to fix and protect the steel pipe from formation medium corrosion. In view of this structure, the designed automatic detection device for ultrasonic phased array detection of gas storage wells figure 1 As shown, it includes ultrasonic detector 1, disk phased array probe device 2, phased array module 3, motor 4, traction wire 5, encoder 6, centralizer 7, winding equipment 8, control module 9, surface acoustic Mirror 10 and holding device 11, such as diagram 2-1 , Figure 2-2 As shown, t...

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Abstract

The invention relates to a device and a method for automatically detecting an ultrasonic phased array of a gas storage well. According to the automatic detection device and automatic detection method provided by the invention, the detection efficiency can be improved, the result is accurate, and use is convenient. According to the technical scheme, the device for automatically detecting the ultrasonic phased array of the gas storage well comprises an ultrasonic detector, a disc phased array probe device, a curved acoustic mirror, a phased array module, a traction steel wire, an encoder, a centralizer and winding equipment. The method for automatically detecting the ultrasonic phased array of the gas storage well is characterized by comprising the following steps: 1) adjusting the detection position; 2) emitting ultrasonic waves; and 3) receiving reflected waves.

Description

technical field [0001] The invention relates to the field of ultrasonic detection, in particular to an automatic detection device for ultrasonic phased array detection of gas storage wells and an ultrasonic phased array detection method for gas storage wells. Background technique [0002] With the rapid development of my country's national economy, the demand for energy is also increasing. As a clean and environmentally friendly high-quality energy, natural gas has many advantages such as high conversion efficiency, low environmental cost, low investment and short construction period, and has gradually become an alternative resource for petroleum. . In recent years, the proportion of natural gas in my country's energy consumption structure has increased significantly. It is estimated that by 2020, the proportion of natural gas in my country's primary energy consumption will rise from the current 5% to about 10%. [0003] With the increase in the use of natural gas, the numbe...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N29/04
Inventor 郭伟灿蔡鹏武叶宇峰
Owner ZHEJIANG PROVINCIAL SPECIAL EQUIP INSPECTION & RES INST
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