Seismic channel digital automatic covering device and method for engineering geophysical prospecting
An automatic coverage and seismic trace technology, applied in the field of engineering geophysical prospecting, can solve the problems of inability to realize automatic coverage, low acquisition efficiency, clumsy device, etc., and achieve the effect of improving geophysical prospecting work efficiency and data accuracy, reducing interference, and facilitating data acquisition
Active Publication Date: 2020-04-10
NINGBO COMM PLANNING INST CO LTD
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Problems solved by technology
In view of the fact that the current domestic seismograph data acquisition cannot achieve automatic coverage, acquisition efficiency is low, or the device is clumsy and error-prone, it is urgent to develop a seismic channel digital automatic coverage device, which is mainly used for seismic reflection, transient surface waves, etc. data collection
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[0026] The present invention will be further elaborated and illustrated below in conjunction with the accompanying drawings and specific embodiments. The technical features of the various implementations in the present invention can be combined accordingly on the premise that there is no conflict with each other.
[0027] The present invention is used for the seismic track digital automatic covering device of engineering geophysical prospecting, is based on the domestic traditional seismic track digital covering device, i.e. high-resolution seismograph (such as figure 1 Shown) improved. The high-resolution seismograph is mainly used to cooperate with the geophone through the cable to realize data acquisition such as seismic reflection and transient surface wave in the geophysical prospecting process, and different types of seismographs can be used according to actual needs.
[0028] Such as figure 2 As shown, it is a structural schematic diagram of the device of the present...
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The invention discloses a seismic road digital automatic covering device and seismic road digital automatic covering method for engineering geophysical exploration, and relates to the field of engineering geophysical exploration. The device comprises a high-resolution seismograph, a digital control panel and detectors, wherein the high-resolution seismograph is provided with a plurality of aviation plug interfaces, each aviation plug interface is respectively connected with a cable, each cable is provided with 12 detectors at intervals, the digital control panel is externally connected to thehigh-resolution seismograph, the digital control panel is provided with detector control buttons corresponding to the detectors one by one, the detector control buttons are connected to the aviation plug interfaces on the high-resolution seismograph through wires, and each detector control button controls the triggering and shutting down of one detector. The invention improves the working efficiency of the field geophysical exploration, ensures the quality of data collection, and solves the problem that the current domestic seismograph is difficult in data collection and coverage, cumbersome in work, and mixed in data.
Description
technical field [0001] The invention relates to the field of engineering geophysical prospecting, in particular to a seismic channel digital automatic covering device for engineering geophysical prospecting and a testing method thereof. Background technique [0002] In order to obtain the data of common reflection point gathers and suppress special interference waves such as multiple reflection waves, and improve the signal-to-noise ratio of seismic records. In the field, a special observation system must be used, that is, on the survey line, the purpose of repeatedly collecting (observing) the reflection points of the underground interface is achieved by regularly moving the excitation point and the arrangement of the receiving point at the same time. This observation system is called Observation system with multiple coverages. [0003] In order to facilitate the smooth progress of the field work of the multiple coverage observation system, a seismic trace coverage device ...
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IPC IPC(8): G01V1/16G01V1/24
CPCG01V1/16G01V1/247
Inventor 唐金樑牛富生盛初根
Owner NINGBO COMM PLANNING INST CO LTD