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Streamlined sealed magnetic shielding detector

A geophone, a streamlined technology, applied in the field of streamlined magnetic-sealed shielded geophones, can solve problems such as ignoring interactions, and achieve the effects of good coupling, simple structure, and good acquisition effect

Inactive Publication Date: 2014-06-25
WEIHAI SUNFULL GEOPHYSICAL EXPLORATION EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, for the installation of multi-component sensors, because the shell is a cylindrical rod-shaped structure, when it is necessary to adjust the direction of some sensors in the well, it is necessary to add corresponding structures and components
More importantly, currently in the geological exploration industry, when multiple sensor components are used together, the interaction between the individual components is ignored

Method used

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  • Streamlined sealed magnetic shielding detector
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Embodiment Construction

[0012] from figure 1 , figure 2 It can be seen from the figure that a streamlined magnetically sealed and shielded detector is mainly composed of a lower shell 1, an upper shell 2, an inner core 3, and a cable 11. The lower casing 1 and the upper casing 2 are connected and fixed by evenly distributed screws 6 . A sealing ring 7 is also installed between the lower housing 1 and the upper housing 2 . The inner core 3 is sealed and assembled in the cavity between the upper shell 2 and the lower shell 1 through the rubber fixing piece 9, the sealing ring 8 and the screw plug 10. The inner core 3 is equipped with a multi-component detector, and the inner core 3 The multi-component detector includes a longitudinal detector 4 and a transverse detector 5, each longitudinal detector 4 is equipped with sealing yokes 13 up and down, and each transverse detector 5 is also equipped with sealing yokes 12 on the left and right. In the present invention, each component wave detector is se...

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Abstract

The invention relates to a streamlined sealed magnetic shielding detector. The streamlined sealed magnetic shielding detector is mainly composed of a lower shell, an upper shell, an inner core and a cable. The lower shell and the upper shell are fixed through screws. The inner core is assembled in a cavity between the upper shell and the lower shell through a rubber fixing piece, seal rings and a screw plug in a sealed mode. Multi-component detector bodies are assembled in the inner core. The cable penetrates through a through hole of the upper shell, the screw plug and the rubber fixing piece and is connected with the multi-component detector bodies in the inner core. The lower shell and the upper shell are of a streamlined shape and form a streamlined shuttle-shaped shell. The multi-component detector bodies in the inner core comprise the longitudinal detector bodies and the transverse detector bodies. The upper portions and the lower portions of all the longitudinal detector bodies are provided with sealed magnetic yoke iron. The left portions and the right portions of all the transverse detector bodies are also provided with sealed magnetic yoke iron. The streamlined sealed magnetic shielding detector is simple and reasonable in structure and is of a streamlined contour structure so that steering adjustment can be facilitated, good coupling can be achieved in a well, and all the multi-component detector bodies are independently and magnetically sealed. Accordingly, the streamlined sealed magnetic shielding detector is ideal.

Description

technical field [0001] The invention relates to a downhole geophone, in particular to a streamlined magnetically sealed and shielded geophone. Background technique [0002] In the prior art, the shell of the downhole geophone is mostly a cylindrical rod structure, which is completed by adding counterweight or downhole rod when going up and down in the well. In order to increase the coupling between the shell and the wellbore, the tail cone is generally used to increase the Coupling of the housing to the bottom of the well. In addition, for the installation of multi-component sensors, because the shell is a cylindrical rod-shaped structure, when it is necessary to adjust the direction of some sensors in the well, it is necessary to add corresponding structures and components. More importantly, currently in the geological exploration industry, when multiple sensor components are used together, the interaction between the individual components is ignored. Contents of the inv...

Claims

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Application Information

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IPC IPC(8): G01V9/00
Inventor 申恒广魏福吉颜永安陈永生周守明姜子强田达许占海
Owner WEIHAI SUNFULL GEOPHYSICAL EXPLORATION EQUIP
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