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supercritical co 2 Medium and low frequency seismic source and source acquisition method of phase change concentrated energy blasting

A supercritical and phase-change technology, which is applied in the field of land and marine geological exploration, can solve the problems of large environmental and ecological hazards, uncontrollable wave source direction, weak low-frequency source signal, etc., and achieve low cost, no dust pollution, and signal The effect of spreading over a long distance

Active Publication Date: 2017-01-25
河南国科特种装备有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many safety hazards in the acquisition process of high-frequency wave sources, and at the same time, it causes great harm to the surrounding environment and ecology, and the direction of the wave source cannot be controlled
The low-frequency source signal is weak, the propagation speed is slow, the attenuation is serious, the actual effective radius is limited, and the effect is not good

Method used

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  • supercritical co <sub>2</sub> Medium and low frequency seismic source and source acquisition method of phase change concentrated energy blasting
  • supercritical co <sub>2</sub> Medium and low frequency seismic source and source acquisition method of phase change concentrated energy blasting
  • supercritical co <sub>2</sub> Medium and low frequency seismic source and source acquisition method of phase change concentrated energy blasting

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Embodiment Construction

[0015] Such as figure 1 , 2 、 As shown in 3, a supercritical CO 2 The medium and low frequency seismic source of phase change energy-gathering blasting includes a Dewar bottle arranged outside the shell 1. A booster station 6 connected to the Dewar bottle is arranged in the shell 1. The booster station 6 is connected with the air compressor. 8-phase connection, a frequency converter 5 is installed on one side of the air compressor 8, and a vacuum pump 7 is installed on the frequency converter 5. The vacuum pump 7 is connected to the high-pressure valve 9, and the high-pressure valve 9 is connected to the infusion port 11. An inflatable plug 25 is installed movable above, and the inflatable plug 25 is threadedly connected with the blasting cylinder 26, and the blasting cylinder 26 is threadedly connected with the pressure relief bolt 27. An inner cavity 31 is arranged in the blasting tube 26, and a safety heater 32 is installed in the inner cavity 31. A bursting disc 33 is mo...

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Abstract

The invention relates to a low-frequency shock source in supercritical CO2 phase change energy-gathered explosion and a shock source collection method. A shell is internally provided with a booster station connected with a Dewar bottle. The booster station is connected with an air compressor. One side of the air compressor is provided with a frequency changer. A vacuum pump is arranged on the frequency changer. The vacuum pump is connected with a high-pressure valve. The high-pressure valve is connected with a liquid conveying opening. An inflatable bolt is movably arranged above the liquid conveying opening. The inflatable bolt is connected with an explosion cylinder in a threaded mode. The explosion cylinder is connected with a pressure relief bolt in a threaded mode. The explosion cylinder is internally provided with an inner cavity. The inner cavity is internally provided with a safety heater. The position, at the tail end of the safety heater, in the inner cavity is movably provided with an explosion piece. A liquid filling opening is formed in the inflatable bolt. One side of the liquid filling opening is provided with a heater connection line opening. A pressure relief opening is formed in the pressure relief bolt. By means of the low-frequency shock source in the supercritical CO2 phase change energy-gathered explosion and the shock source collection method, an effective special tool is provided for the land and marine geological exploration and development in China.

Description

technical field [0001] The invention relates to the field of land and marine geological exploration, in particular to a supercritical CO 2 Medium and low frequency seismic source and seismic source acquisition method of phase change concentrated blasting. Background technique [0002] The places in the Earth's interior where cracks in rock formations cause vibrations are called hypocenters. It is an area with a certain size, also known as the source area or source body, where the seismic energy is accumulated and released. The source of an earthquake caused by human factors is called an artificial source, such as artificial blasting, explosive blasting, and nuclear bomb testing. The nature of the natural earthquake source and the artificial blasting source are very different. Generally speaking, natural earthquakes mainly occur on faults and are dominated by shear dislocation; while the source of artificial blasting is a process of expanding around a point. Using seismic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V1/133G01V1/24
Inventor 王海平
Owner 河南国科特种装备有限公司
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