Method for performing seismograph control and data transmission by using short message and short message control and transmission type cableless seismograph

Abstract

The invention relates to a method for performing seismograph control and data transmission by using a short message and a short message control and transmission type cableless seismograph. Aiming at solving the problem of no real-time quality control to the prior cableless seismograph, the method for seismograph control and data transmission introduces a mobile phone unit into an acquisition station for the prior cableless seismograph, and utilizes the short message to conduct state control and data transmission to the acquisition station for the cable-less seismograph. The acquisition stationfor the cableless seismograph comprises a main control unit, an acquisition unit, a storage unit, a GPS unit, a power management control unit and a mobile phone unit. The invention has the advantagesthat the work load of measurement can be reduced, the laying of the acquisition equipment is more flexible, simpler and more convenient, the synchronous collection mode for blasting at the fixed timeis convenient, the construction efficiency is favorable for improving, the data recovery is flexible, an SPS file can be automatically generated, the coordinate with cm-level accuracy can be automatically calculated, the difficult problem of no real-time quality control to the cableless seismograph is solved in a simple and inexpensive way, and the application range and the construction efficiency of the cableless seismograph are greatly improved.

Description

technical field [0001] The invention relates to a seismograph, in particular to a method for controlling and transmitting data of the seismograph by using short messages and a cableless seismograph controlled and transmitted by short messages. Background technique [0002] 1. Current status of seismic instruments [0003] High-precision digital seismograph is a geological exploration instrument used to record artificial or natural seismic signals, and then to find oil, gas, coal and other mineral resources based on the records of these seismic signals, and can be used to detect the internal structure of the earth, conduct engineering and geological Disaster prediction, etc. [0004] Seismic prospecting is still the main means of exploring oil and natural gas on land and at sea, and it is also an important prospecting method for other mineral resources. It is widely used in the study of the earth's internal structure, engineering exploration and detection, and prediction of ...

AI Technical Summary

Problems solved by technology

Domestic cable-free storage seismic instruments are also in the development stage, and no official products have come out yet.

[0015] 2. The shortcomings of today's cable-free storage seismic instruments

[0018] ②The acquisition stations of all cable-free storage seismographs cannot send data to the central station to realize real-time quality control of data: this is a difficult problem that cannot be solved so far

At present, in the field construction, hundreds of shots can be fired every day. If there is a large amount of abnormal working data after playback indoors, it will cost a lot of manpower and material resources to make up shots.

Therefore, the construction method of this instrument has not been accepted by the seismic exploration circles in our country.

[0019] ③The GPS of the acquisition station is only used for timing synchronization, and most of the conventional storage cableless seismic acquisition stations do not perform positioning or the positioning accuracy is not enough: Since each acquisition station needs to perform synchronous data acquisition, the timing GPS receiver can provide 1pps timing signal output , can reach the accuracy of RMS20nS, which is enough to meet the synchronization accuracy required by the instrument

However, due to the low accuracy of GPS single-point positioning, generally ±10m, and ±100m when affected by SA, it cannot meet the accuracy requirements of seismic exploration

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