Synchronous verification method for wired instrument and vibroseis

Abstract

The invention provides a synchronous verification method for a wired instrument and a vibroseis. The method comprises the steps of employing the same signal source, and enabling the parameters of a plurality of wireless collection devices to be consistent, deploying wireless acquisition equipment on a vibroseis and a seismic instrument, and receiving a GPS time service signal, starting the vibroseis and the seismic instrument, and carrying out production operation, in a production operation process, enabling the wireless acquisition equipment to acquire a test signal and correspondingly recording a GPS moment when the test signal is acquired, and performing synchronous verification according to the test signal and the GPS moment. On the basis of the GPS time, in the process of normal production of the vibroseis, test data are continuously acquired, and synchronous verification of a wired instrument and the vibroseis is carried out; moreover, the method does not need to occupy the arrangement of production in use, does not need to select a test site, does not interrupt the normal production collection process of the instrument, and can greatly save the time of efficient collection of items.

Description

technical field [0001] The invention relates to the technical field of petroleum geological exploration, in particular to a method for synchronously verifying a wired instrument and a vibrator. Background technique [0002] At present, the synchronization verification method of wired instruments and vibrators commonly used in petroleum geophysical prospecting industry is wired consistency test. [0003] The principle of the wired consistency test is to connect the characteristic signal of the vibrator with the ground acquisition equipment of the instrument through a special cable, start the vibrator by the instrument and record the above signals through the acquisition equipment, and at the same time the reference signal of the encoder of the instrument, TB The signal is recorded through the auxiliary track, together with the recorded source characteristic signal, a data file is formed for analysis. [0004] The wired consistency test method needs to stop the seismic data a...

AI Technical Summary

Problems solved by technology

When the test fails due to poor terrain and high distortion, it is necessary to re-select the test site, disconnect the arrangement, retract the cable, and test again, which may even cause the seismic team to stop working and stop shooting, and lose a lot of production time

Under the current situation that a large number of projects in the industry are constructed with efficient collection technology, the loss of a large amount of production time means huge economic losses

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