CN104793240A - Real-time micro seismic data acquisition system based on wireless network technology - Google Patents
Real-time micro seismic data acquisition system based on wireless network technology Download PDFInfo
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- CN104793240A CN104793240A CN201410840355.1A CN201410840355A CN104793240A CN 104793240 A CN104793240 A CN 104793240A CN 201410840355 A CN201410840355 A CN 201410840355A CN 104793240 A CN104793240 A CN 104793240A
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Abstract
The invention relates to a real-time micro seismic data acquisition scheme in a micro seismic monitoring system, and particularly relates to a real-time micro seismic data acquisition system based on a wireless network technology. The system comprises two main parts: networking and a seismic instrument adaptation protocol. Networking can be carried out in two modes. One is a wireless bridge mode which involves a client, a center and a relay, wherein the client uses a piece of small wireless transmission equipment to perform wireless data communication directionally, the client is connected with a micro seismic instrument through a network cable at one end and is connected to the center or the relay wirelessly at the other end, the center is equipped with multiple pieces of wireless coverage equipment to realize 360-degree wireless signal coverage, and the relay is used when the distance between the center and the client is large or there is blockage between the center and the client. The other mode is a Mesh mode which involves a center and a Mesh client and needs no relay, and the mode is an ad-hoc network mode. Micro seismic data acquisition is realized in a real-time, efficient and correct way.
Description
Technical field
The present invention relates to one real-time microseism data acquisition scheme in micro-earthquake monitoring system, more particularly, the present invention relates to a kind of microseismic data acquisition system (DAS) based on radio network technique.
Background technology
Along with micro-seismic technology development, be now widely used in the safety monitoring of the facilities such as the Fracturing Monitoring in oil-gas mining, mining production safety monitoring, reservoir dam, oil cellar.In these monitorings, traditional method lays micro seismic monitoring devices collect data at the scene, monitoring a period of time or use apparatus such as computer secondary acquisition data again from micro seismic monitoring instrument after completing, carry out format conversion to data again after secondary acquisition, merging, analyzing and processing draw explanation results.Following shortcoming is there is: 1. gather and need to consume a large amount of manpowers and time, need after acquisition manually to merge, very easily produce mistake for this data acquisition modes; 2. cannot understand in time for the quality obtaining data in monitoring, find that when secondary acquisition data quality problem cannot be remedied; 3. once monitoring can use the instrument of multiple different manufacturers, different model, and the form that each instrument stores data is different, and Data Format Transform bothers.4. whole micro seismic monitoring is obtained a result overlong time, from monitor and draw explanation results 1-2 week at least, need the time of several months at most; Along with client is to an urgent demand of micro seismic monitoring result promptness, be badly in need of a kind of method that microseism data fast gathers, to realize quick, correct, high-quality, efficient Monitoring Data acquisition method.
In microseism test process, from start to finish all round collection and the analysis of Monitoring Data, the workload accounting of data acquisition is maximum (accounting for more than 60%), and the quality of image data and the real-time of data acquisition directly determine quality and the promptness of rear monitoring result.Make a general survey of the most basic, the most important work that the collection of whole micro seismic monitoring process data is.
Current data acquisition plan, lay seismograph according to seismograph design, seismograph image data is also stored on built-in memory device, apparatus such as computer is used after a period of time or when reclaiming seismograph, data are collected computer from seismographic memory device, carry out changing to data layout and form unified form, then the data preparation gathered is merged, finally to the data of a formation micro seismic monitoring.
For present collecting method, first the quality of data acquisition cannot be ensured, seismograph is generally arranged in field, environment is comparatively severe, once seismograph 10-20 up to a hundred at most is at least disposed in monitoring, Attended mode cannot be accomplished, human at periodic intervals only can be taked to seek the mode of platform, check that whether seismograph data acquisition is normal, this kind of practice manpower consumption is large, data acquisition situation cannot be understood in real time, just can know when the quality for image data can only arrive final data process, go wrong and cannot remedy; The second, secondary data collection consumes a large amount of manpower, and data correctness cannot ensure, because microseism data is stored in each seismographic internal memory, need use apparatus such as computer from seismograph by data acquisition out, need a large amount of manpower and time; 3rd, use the equipment of multiple producer in micro seismic monitoring, the form that each producer stores data is different, need change data layout, remerges the partial data of formation one monitoring, and data are changed, it is huge to merge workload, easily occur mistake; 4th, the process of microseism data relies on the collection of data, and the time of data acquisition directly affects and draws the micro seismic monitoring result time, cannot meet the requirement that client is ageing to micro seismic monitoring.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of microseismic data acquisition system (DAS) based on radio network technique.
For solving the problems of the technologies described above, the invention provides following technical scheme: a kind of microseismic data acquisition system (DAS) based on radio network technique, comprise networking and seismograph instrument adapting protocol two large divisions, described networking has two kinds of modes: a kind of is wireless bridge mode, this mode comprises client, center-side, relaying three part, client uses the directed wireless data communications of micro radio transmission equipment, its one end uses netting twine to be connected with microseism seismograph, and other end use is wireless to be connected with center-side or relaying; Center-side installs the wireless signal covering that multiple wireless coverage equipment realizes 360 degree; Relaying is comparatively far away or use when blocking at center-side and client interval.Another kind is Mesh mode, and Mesh networking comprises center-side and Mesh client, and without the need to relaying, this kind is MANET mode.
Beneficial effect: compare with traditional microseism data acquisition mode, the maximum difference of the application's motion is: in real time, efficiently, correctly achieve microseism data collection, original equipment collection, secondary acquisition, format conversion, data merging are integrated into a step and complete, improve correctness, reduce manpower and time loss, improve the ageing of micro seismic monitoring result, meet the real-time requirement of client, produced problem during Timeliness coverage microseism gathers, ensures the quality of data acquisition; Reduce manpower and the time loss of data acquisition; Improve the efficiency of data acquisition, thus promote the speed of micro seismic monitoring result treatment.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
A kind of microseismic data acquisition system (DAS) based on radio network technique, comprise networking and seismograph instrument adapting protocol two large divisions, described networking has two kinds of modes: a kind of is wireless bridge mode, this mode comprises client, center-side, relaying three part, client uses the directed wireless data communications of micro radio transmission equipment, its one end uses netting twine to be connected with microseism seismograph, and other end use is wireless to be connected with center-side or relaying; Center-side installs the wireless signal covering that multiple wireless coverage equipment realizes 360 degree; Relaying is comparatively far away or use when blocking at center-side and client interval.Another kind is Mesh mode, and Mesh networking comprises center-side and Mesh client, and without the need to relaying, this kind is MANET mode.
Based on above-mentioned, compare with traditional microseism data acquisition mode, the maximum difference of the application's motion is: in real time, efficiently, correctly achieve microseism data collection, original equipment collection, secondary acquisition, format conversion, data merging are integrated into a step and complete, improves correctness, reduce manpower and time loss, improve the ageing of micro seismic monitoring result, meet the real-time requirement of client, produced problem during Timeliness coverage microseism gathers, ensures the quality of data acquisition; Reduce manpower and the time loss of data acquisition; Improve the efficiency of data acquisition, thus promote the speed of micro seismic monitoring result treatment
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention to do equivalent structure or the conversion of equivalent flow process, or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (1)
1. the microseismic data acquisition system (DAS) based on radio network technique, it is characterized in that, comprise networking and seismograph instrument adapting protocol two large divisions, described networking has two kinds of modes: a kind of is wireless bridge mode, this mode comprises client, center-side, relaying three part, client uses the directed wireless data communications of micro radio transmission equipment, and its one end uses netting twine to be connected with microseism seismograph, and other end use is wireless to be connected with center-side or relaying; Center-side installs the wireless signal covering that multiple wireless coverage equipment realizes 360 degree; Relaying is comparatively far away or use when blocking at center-side and client interval.Another kind is Mesh mode, and Mesh networking comprises center-side and Mesh client, and without the need to relaying, this kind is MANET mode.
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| CN201410840355.1A CN104793240A (en) | 2014-12-31 | 2014-12-31 | Real-time micro seismic data acquisition system based on wireless network technology |
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| CN201410840355.1A CN104793240A (en) | 2014-12-31 | 2014-12-31 | Real-time micro seismic data acquisition system based on wireless network technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106405628A (en) * | 2016-06-06 | 2017-02-15 | 保定市全正石油物探装备制造有限公司 | Earth crust shock collection system |
| CN107015269A (en) * | 2017-06-07 | 2017-08-04 | 吉林大学 | A kind of microseism pressure break real-time monitoring system and monitoring method based on wireless network |
| CN109343111A (en) * | 2018-09-30 | 2019-02-15 | 中国科学院武汉岩土力学研究所 | A kind of long range TBM tunnel rock burst micro seismic monitoring method under interbedding of soft and hard rocks geological conditions |
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Cited By (3)
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| CN106405628A (en) * | 2016-06-06 | 2017-02-15 | 保定市全正石油物探装备制造有限公司 | Earth crust shock collection system |
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| CN109343111A (en) * | 2018-09-30 | 2019-02-15 | 中国科学院武汉岩土力学研究所 | A kind of long range TBM tunnel rock burst micro seismic monitoring method under interbedding of soft and hard rocks geological conditions |
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