CN112946747B - Synchronous verification method for wired instrument and controllable seismic source - Google Patents
Synchronous verification method for wired instrument and controllable seismic source Download PDFInfo
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- CN112946747B CN112946747B CN201911263961.0A CN201911263961A CN112946747B CN 112946747 B CN112946747 B CN 112946747B CN 201911263961 A CN201911263961 A CN 201911263961A CN 112946747 B CN112946747 B CN 112946747B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. analysis, for interpretation, for correction
- G01V1/36—Effecting static or dynamic corrections on records, e.g. correcting spread; Correlating seismic signals; Eliminating effects of unwanted energy
- G01V1/37—Effecting static or dynamic corrections on records, e.g. correcting spread; Correlating seismic signals; Eliminating effects of unwanted energy specially adapted for seismic systems using continuous agitation of the ground, e.g. using pulse compression of frequency swept signals for enhancement of received signals
- G01V1/375—Correlating received seismic signals with the emitted source signal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. analysis, for interpretation, for correction
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. analysis, for interpretation, for correction
- G01V1/30—Analysis
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention provides a synchronous verification method of a wired instrument and a controllable seismic source, which comprises the following steps: the same signal source is used for adjusting parameters of a plurality of wireless acquisition devices to be consistent; the wireless acquisition equipment is deployed on a controllable seismic source and a seismic instrument to receive GPS time service signals; starting a controllable seismic source and a seismic instrument to perform production operation; in the production operation process, the wireless acquisition equipment acquires a test signal and correspondingly records GPS time when the test signal is acquired; and according to the test signal and the GPS moment, synchronous verification is carried out. In the invention, in the normal production process of the controllable vibration source based on the GPS moment, test data are continuously collected, and synchronous verification of a wired instrument and the controllable vibration source is carried out; the method of the embodiment of the invention does not need to occupy the production in-use arrangement, does not need to select a test site, does not interrupt the normal production acquisition process of the instrument, and can greatly save the time for efficiently acquiring the project.
Description
Technical Field
The invention relates to the technical field of petroleum geological exploration, in particular to a synchronous verification method for a wired instrument and a controllable seismic source.
Background
At present, a synchronous verification method of a wired instrument and a controllable seismic source commonly adopted in the petroleum geophysical prospecting industry is a wired consistency test.
The principle of the wired consistency test is that characteristic signals of a controllable seismic source are connected with an instrument ground acquisition device through a special cable, the seismic source is started by an instrument and the signals are recorded through the acquisition device, and meanwhile, reference signals and TB signals of an instrument encoder are recorded through an auxiliary channel and form a data file together with the recorded seismic source characteristic signals for analysis.
The wired consistency test method needs to stop the seismic data acquisition operation and switch to a test mode, uses a cable to connect a controllable seismic source and ground acquisition equipment, and occupies effective acquisition production time to complete the test. When the topography difference and the distortion are high, the test site is required to be reselected, the cable is disconnected and arranged, the cable is wound and unwound and retested when the test cannot be passed, and even the earthquake team is stopped and the gun is stopped, so that a large amount of production time is lost. Under the current situation that a large number of projects in the industry are constructed by adopting an efficient acquisition technology, the loss of mass production time means huge economic loss.
Disclosure of Invention
The embodiment of the invention provides a synchronous verification method of a wired instrument and a controllable vibration source, which can carry out synchronous verification of the wired instrument and the controllable vibration source under the condition that the controllable vibration source is not stopped, and comprises the following steps:
the same signal source is used for adjusting parameters of a plurality of wireless acquisition devices to be consistent;
the wireless acquisition equipment is deployed on a controllable seismic source and a seismic instrument to receive GPS time service signals;
starting a controllable seismic source and a seismic instrument to perform production operation;
in the production operation process, the wireless acquisition equipment acquires a test signal and correspondingly records GPS time when the test signal is acquired;
and according to the test signal and the GPS moment, synchronous verification is carried out.
The embodiment of the invention provides a synchronous verification method for a cable instrument and a controllable earthquake focus, which comprises the steps of firstly using the same signal source, adjusting and conforming a plurality of wireless acquisition equipment parameters, then deploying the adjusted wireless equipment on the controllable earthquake focus and an earthquake instrument, recording GPS time by receiving GPS time service signals, and continuously acquiring test data in the normal production process of the controllable earthquake focus based on the GPS time, so as to synchronously verify the cable instrument and the controllable earthquake focus; the method of the embodiment of the invention does not need to occupy the production in-use arrangement, does not need to select a test site, does not interrupt the normal production acquisition process of the instrument, and can greatly save the time for efficiently acquiring the project.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. In the drawings:
fig. 1 is a schematic diagram of a synchronous verification method of a cable instrument and a controllable seismic source according to an embodiment of the invention.
Fig. 2 is a flowchart of a method for synchronous verification of a cable instrument and a vibroseis according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings. The exemplary embodiments of the present invention and their descriptions herein are for the purpose of explaining the present invention, but are not to be construed as limiting the invention.
As shown in a schematic diagram of a method for synchronously verifying a wired instrument and a controllable seismic source in the embodiment of the invention in fig. 1, the embodiment of the invention provides a method for synchronously verifying a wired instrument and a controllable seismic source, which can synchronously verify a wired instrument and a controllable seismic source under the condition that the controllable seismic source is not stopped, and comprises the following steps:
step 101: the same signal source is used for adjusting parameters of a plurality of wireless acquisition devices to be consistent;
step 102: the wireless acquisition equipment is deployed on a controllable seismic source and a seismic instrument to receive GPS time service signals;
step 103: starting a controllable seismic source and a seismic instrument to perform production operation;
step 104: in the production operation process, the wireless acquisition equipment acquires a test signal and correspondingly records GPS time when the test signal is acquired;
step 105: and according to the test signal and the GPS moment, synchronous verification is carried out.
According to the synchronous verification method for the wired instrument and the controllable vibration source, which is provided by the embodiment of the invention, in the normal production process of the controllable vibration source based on the GPS moment, test data are continuously collected, and synchronous verification of the wired instrument and the controllable vibration source is carried out; the method of the embodiment of the invention does not need to occupy the production in-use arrangement, does not need to select a test site, does not interrupt the normal production acquisition process of the instrument, and can greatly save the time for efficiently acquiring the project.
The principle of the wired consistency test is that characteristic signals of a controllable seismic source, which generally comprise a reference signal, a TB signal, a ground force signal, a heavy hammer acceleration signal and a flat acceleration signal, are connected with an instrument ground acquisition device through special cables, the seismic source is started by an instrument and the signals are recorded through the acquisition device, and meanwhile, the reference signal and the TB signal of an instrument encoder are recorded through an auxiliary channel to form a data file together with the recorded seismic source characteristic signals for analysis.
The wired consistency test has the advantages that the wired consistency test is outstanding, and the following contents can be comprehensively and effectively verified: 1. the instrument acquisition starting time is synchronous with the controllable vibration source starting time; 2. synchronization of the start moments between different controllable seismic sources; 3. the starting precision of the controllable focus electric control box body; 4. a vibroseis control system and mechanical system performance.
The defects are also obvious, the wired consistency test method needs to stop the seismic data acquisition operation and switch to a test mode, uses a cable to connect the controllable seismic source and the ground acquisition equipment, and occupies effective acquisition production time to complete the test. When the topography difference and the distortion are high, the test site is required to be reselected, the cable is disconnected and arranged, the cable is wound and unwound and retested when the test cannot be passed, and even the earthquake team is stopped and the gun is stopped, so that a large amount of production time is lost. Under the current situation that a large number of projects in the industry are constructed by adopting an efficient acquisition technology, the loss of mass production time means huge economic loss.
The current main current controllable focus electric control box body supports the characteristic signal local storage technology, and characteristic signals can be conveniently stored in a box body memory or external equipment. The performance of the vibroseis control system and the mechanical system can be verified by analyzing the locally stored characteristic signals, so that the aspect is no longer the focus of synchronous verification of the wired instrument and the vibroseis.
With the wide application of GPS time service technology and the development of acquisition equipment, the synchronization of the acquisition starting time of an instrument and the starting time of a controllable vibration source is verified, and the starting precision of the electric control box body of the controllable vibration source is verified, so that the possibility of not depending on ground wired acquisition equipment and not interrupting production is provided. After the two are verified, the starting time synchronization of different controllable vibration sources can be achieved by comparing and verifying the instrument as a reference.
Based on the above reasons, the embodiment of the invention provides a method for synchronously verifying a cable instrument and a controllable seismic source, which comprises the following steps: the same signal source is used for adjusting parameters of a plurality of wireless acquisition devices to be consistent; the wireless acquisition equipment is deployed on a controllable seismic source and a seismic instrument to receive GPS time service signals; starting a controllable seismic source and a seismic instrument to perform production operation; in the production operation process, the wireless acquisition equipment acquires a test signal and correspondingly records GPS time when the test signal is acquired; and according to the test signal and the GPS moment, synchronous verification is carried out.
The reason for using a cable connection for the wired consistency test is the following two points: (1) the transmission of the vibroseis characteristic signal and the instrument encoder signal in the cable can be considered to be delay-free, and a uniform scale is provided for comparing the phases of the vibroseis characteristic signal and the instrument encoder signal to determine the starting moment difference; (2) the digital-to-analog conversion characteristic of the ground acquisition equipment through which the characteristic signal of the controllable seismic source passes is consistent with the digital-to-analog conversion characteristic of the auxiliary channel through which the reference signal of the instrument encoder passes, and a uniform scale is provided for analyzing indexes such as distortion and the like between the digital-to-analog conversion characteristic and the auxiliary channel. The wireless acquisition device adopted by the technology of the embodiment of the invention also needs to meet the two requirements.
When the method for synchronously verifying the cable instrument and the controllable vibration source provided by the embodiment of the invention is implemented, in one embodiment, the same signal source is used for determining that the parameters of a plurality of wireless acquisition devices are consistent, and the method comprises the following steps:
and comparing the channels of the plurality of wireless acquisition devices by using the same signal source, and determining that the GPS time scales of the plurality of wireless acquisition devices are consistent and the channel circuit characteristics are consistent.
In a specific implementation of the method for synchronously verifying the wired instrument and the controllable vibration source provided by the embodiment of the invention, in one embodiment, the wireless acquisition equipment is deployed on the controllable vibration source, and the method comprises the following steps:
and deploying the wireless acquisition equipment on the controllable seismic source, and transmitting the controllable seismic source characteristic signals of the controllable seismic source to an analog input channel of the wireless acquisition equipment.
In a specific implementation of the method for synchronously verifying a cable instrument and a controllable seismic source provided by the embodiment of the invention, in one embodiment, the controllable seismic source characteristic signal includes: TB signal, reference signal and power signal that the electric cabinet of controllable focus output.
In a specific implementation of the method for synchronously verifying a cable instrument and a controllable seismic source provided by the embodiment of the invention, in one embodiment, a wireless acquisition device is deployed on a seismic instrument, including:
the wireless acquisition equipment is deployed on the seismic instrument, and encoder characteristic signals of the seismic instrument are transmitted to an analog input channel of the wireless acquisition equipment.
In an embodiment of the present invention, when the method for synchronously verifying a cable instrument and a controllable source is implemented, in one embodiment, the encoder characteristic signal includes: reference signal and TB signal of the encoder.
In a specific implementation of the method for synchronously verifying the cable instrument and the controllable vibration source provided by the embodiment of the invention, in one embodiment, the wireless acquisition device acquires a test signal, which comprises the following steps: the wireless acquisition equipment amplifies, filters and analog-to-digital converts the acquired test signals to obtain digital test signals.
When the method for synchronously verifying the cable instrument and the controllable vibration source provided by the embodiment of the invention is implemented, in one embodiment, after collecting the test signal and recording the GPS time, the method further comprises the following steps: and storing and exporting the collected test signals according to the GPS moment.
In a specific implementation of the method for synchronously verifying a cable instrument and a controllable seismic source provided by the embodiment of the invention, in one embodiment, deriving the collected test signal includes: screening the test signals by combining the PSS report recorded by the earthquake instrument and the VAPS file, and exporting the screened test signals according to a SegD format or a SegY format.
When the method for synchronously verifying the cable instrument and the controllable vibration source provided by the embodiment of the invention is implemented, in one embodiment, synchronous verification is carried out according to a test signal and GPS time, and the method comprises the following steps:
dividing the test signal into set lengths according to the GPS time interval;
and synthesizing the segmented test signals with the same GPS time interval according to a set sequence to form a data file, and carrying out synchronous verification.
The embodiment of the invention also provides an example of consistency test by applying the synchronous verification method of the wired instrument and the controllable vibration source, as shown in the flow chart of the synchronous verification method of the wired instrument and the controllable vibration source in the embodiment of the invention of figure 2,
1. selecting wireless acquisition equipment meeting the requirements of the method, such as wireless node equipment commonly used in the current field;
2. comparing all channels of all wireless acquisition equipment put into use by using the same signal source, confirming that the recorded GPS time scales are consistent, and confirming that the circuit characteristics of all channels are consistent;
3. a wireless acquisition device is deployed on a controllable seismic source, a required characteristic signal of the controllable seismic source is connected to an analog input channel of the wireless acquisition device, and the acquisition device is confirmed to normally acquire GPS time service signals;
4. a wireless acquisition device is deployed on a seismic instrument, a required encoder reference signal and a required TB signal are connected to an analog input channel of the wireless acquisition device, and the acquisition device is confirmed to normally acquire GPS signals;
5. normally performing seismic exploration acquisition production operation, wherein in the production process, the wireless acquisition equipment continuously records required test signals and records GPS time when the test signals are acquired;
6. after a certain time (usually depending on construction conditions), a recorded test signal is exported by a data interface, segmented and synthesized according to GPS time to form a data file, and screened by combining with a PSS report or a VAPS file recorded by an instrument for analysis;
7. the synchronous verification of a plurality of controllable vibration sources and wired instruments can be carried out, and a plurality of wireless acquisition devices can be put into operation, and the synchronous verification can also be carried out in batches.
8. Since the test result is obtained after export, segmentation, synthesis and screening, the real-time performance is slightly reduced, and the effective coverage of synchronous verification can be ensured by shortening the test period or increasing the test data for analysis.
At present, a part of projects are selected to use wireless node equipment as acquisition equipment, a characteristic signal of a controllable seismic source is recorded, and after the characteristic signal is segmented according to GPS time, a data file is synthesized with a reference signal recorded in an auxiliary channel by an instrument for analysis.
The wireless acquisition equipment adopting the wireless node technology can meet the requirements of the patent technology of the embodiment of the invention on the wireless acquisition equipment, and the analog-to-digital conversion characteristic of the wireless acquisition equipment is generally consistent with that of wired acquisition equipment matched with the wireless acquisition equipment. Therefore, the node is used for recording the characteristic signal of the controllable seismic source, and the characteristic signal is directly compared and analyzed with the reference signal recorded by the instrument through the auxiliary channel, so that the same effect as that of the wired consistency test is achieved through verification, and meanwhile, the feasibility of the technology of the embodiment of the invention is verified.
The wireless acquisition device adopted by the embodiment of the invention can comprise:
the GPS timing system comprises an input interface, a GPS timing module, a controller, an output interface and a memory;
the input interface, the output interface, the GPS time service module and the memory are respectively connected with the controller;
the input interface is used for receiving the controllable source characteristic signals and instrument coding characteristic signals;
the GPS time service module is used for receiving GPS signals and recording GPS time;
the controller is used for storing the received characteristic signals of the controllable vibration source and the instrument coding characteristic signals into the memory according to the GPS moment;
the memory is used for storing the controllable source characteristic signals, instrument coding characteristic signals and GPS time;
and the output interface is used for outputting the characteristic signal of the controllable seismic source, the instrument coding characteristic signal and the GPS time.
The wireless acquisition equipment provided by the embodiment of the invention further comprises matched data synthesis software for synthesizing the data acquired by different equipment.
The wireless acquisition equipment provided by the embodiment of the invention acquires the GPS time through the GPS time service module, records the characteristic signals of the controllable vibration source and the instrument coding characteristic signals based on the GPS time, does not occupy the arrangement of production in use, does not need to select a test site, does not interrupt the normal production acquisition process of the instrument, and is suitable for the synchronous verification method of the wired instrument and the controllable vibration source.
The wireless acquisition equipment adopted by the embodiment of the invention has the following characteristics:
1) The GPS time service function is provided, and the time service precision can reach the sampling precision of the instrument or higher; 2) The analog-digital conversion device is provided with at least three analog input interfaces for accessing the required signals, and the analog-digital conversion characteristics of all channels are consistent; 3) The system has a continuous recording function, no interruption occurs in recording, and no data is lost; 4) The GPS time recording device has the function of recording accurate GPS time in the acquired data; 5) The portable input/output interface is provided, so that data can be conveniently exported; 6) The data segmentation software is easy to operate, and the data can be segmented according to GPS time; 7) The system has easy-to-operate data synthesis software, and can synthesize data collected by different devices.
The invention provides a new basis and means for synchronously verifying the wired instrument and the controllable seismic source for efficiently acquiring the seismic exploration items at home and abroad. According to the general condition estimation of the current efficient acquisition project, each controllable source/group is synchronously tested every time, the effective acquisition time can be saved by 1 hour on average, and the economic benefit created by combining the number of the sources of the efficient acquisition project and huge production pressure is huge. The technology is the most scientific, efficient and strong-operability wired instrument and controllable seismic source synchronous verification technology in the petroleum exploration industry, and meets the technical development requirements of efficient petroleum geological exploration methods.
In summary, the method for synchronously verifying the cable instrument and the controllable earthquake focus provided by the embodiment of the invention firstly uses the same signal source, adjusts and accords with the parameters of a plurality of wireless acquisition devices, then deploys the adjusted wireless devices on the controllable earthquake focus and the earthquake instrument, records GPS time by receiving GPS time service signals, and continuously acquires test data in the normal production process of the controllable earthquake focus based on the GPS time, so as to synchronously verify the cable instrument and the controllable earthquake focus; the method of the embodiment of the invention 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 acquisition process of the instrument, does not need to stop the machine and stop the gun, does not occupy effective acquisition time, and can greatly save the time for efficiently acquiring projects. The invention is a scientific, efficient and strong-operability synchronous verification method for the wired instrument and the controllable seismic source in the petroleum exploration industry, and meets the technical development requirements of efficient petroleum geological exploration methods such as sliding scanning, dynamic sliding scanning, mixed mining and the like.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (6)
1. The synchronous verification method of the cable instrument and the controllable seismic source is characterized by comprising the following steps of:
the same signal source is used for adjusting parameters of a plurality of wireless acquisition devices to be consistent;
the wireless acquisition equipment is deployed on a controllable seismic source and a seismic instrument to receive GPS time service signals;
starting a controllable seismic source and a seismic instrument to perform production operation;
in the production operation process, the wireless acquisition equipment acquires test signals, correspondingly records GPS time when the test signals are acquired, and stores and derives the acquired test signals according to the GPS time;
according to the test signal and the GPS moment, synchronous verification is carried out;
according to the test signal and the GPS moment, synchronous verification is carried out, and the method comprises the following steps:
dividing the test signal into set lengths according to the GPS time interval;
synthesizing the segmented test signals with the same GPS time interval according to a set sequence to form a data file, and performing synchronous verification;
the method for determining the consistency of the parameters of the plurality of wireless acquisition devices by using the same signal source comprises the following steps: comparing channels of a plurality of wireless acquisition devices by using the same signal source, and determining that GPS time scales of the plurality of wireless acquisition devices are consistent, channel circuit characteristics are consistent and channel analog-to-digital conversion characteristics are consistent;
wherein deriving the collected test signal comprises: screening the test signals by combining the PSS report and the VAPS file recorded by the seismic instrument, and exporting the screened test signals according to a SegD format or a SegY format.
2. The method of claim 1, wherein deploying a wireless acquisition device onto a vibroseis comprises:
and deploying the wireless acquisition equipment on the controllable seismic source, and transmitting the controllable seismic source characteristic signals of the controllable seismic source to an analog input channel of the wireless acquisition equipment.
3. The method of claim 2, wherein the vibroseis signature comprises: TB signal, reference signal and power signal that the electric cabinet of controllable focus output.
4. The method of claim 1, wherein deploying the wireless acquisition device onto the seismic instrument comprises:
the wireless acquisition equipment is deployed on the seismic instrument, and encoder characteristic signals of the seismic instrument are transmitted to an analog input channel of the wireless acquisition equipment.
5. The method of claim 4, wherein the encoder characteristic signal comprises: reference signal and TB signal of the encoder.
6. The method of claim 1, wherein the wireless acquisition device acquires the test signal, comprising: the wireless acquisition equipment amplifies, filters and analog-to-digital converts the acquired test signals to obtain digital test signals.
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| CN1200285C (en) * | 2001-11-09 | 2005-05-04 | 中国石油天然气集团公司 | GPS satellite time service telemetering seismograph |
| CN101308007B (en) * | 2007-05-16 | 2012-10-03 | 康志顺 | Synchronization control processing method and system |
| WO2013056511A1 (en) * | 2011-10-17 | 2013-04-25 | 中国科学院地质与地球物理研究所 | Wired, wireless and cableless all_in_one digital seismometer |
| CN103605153B (en) * | 2013-11-13 | 2016-03-02 | 吉林大学 | The compatible synchronous device of polytype earthquake source and synchronous method |
| CN204707133U (en) * | 2015-05-26 | 2015-10-14 | 中国石油天然气集团公司 | A kind of synchronization accuracy test macro |
| CN206020678U (en) * | 2016-07-12 | 2017-03-15 | 中国石油天然气集团公司 | Epicenter excitation and earthquake data acquisition synchronous testing device |
| CN107436448B (en) * | 2017-09-11 | 2023-03-21 | 上海申丰地质新技术应用研究所有限公司 | Engineering seismic exploration system and data reading system |
| CN109884688A (en) * | 2019-01-18 | 2019-06-14 | 潜能恒信能源技术股份有限公司 | One swashs more receipts system for acquiring seismic data |
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