CN103726833A - Ground data collection system for capillary tube testing - Google Patents
Ground data collection system for capillary tube testing Download PDFInfo
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- CN103726833A CN103726833A CN201310686436.6A CN201310686436A CN103726833A CN 103726833 A CN103726833 A CN 103726833A CN 201310686436 A CN201310686436 A CN 201310686436A CN 103726833 A CN103726833 A CN 103726833A
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- pressure
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- capillary tube
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Abstract
The invention discloses a ground data collection system for capillary tube testing. The ground data collection system comprises a pressure gauge, a pressure transmitter, a data processing chip, a storage unit, a display unit and an interface unit. The pressure gauge is connected with a capillary tube used for collecting pressure of coal beds; the pressure transmitter is connected with the capillary tube; the data processing chip is connected with the pressure transmitter; the storage unit, the display unit and the interface unit are connected with the data processing chip respectively. By the ground data collection system, pressure signals of the capillary tube testing of coal bed wells are displayed online in real time through the pressure gauge, are converted into digital signals to be displayed online in real time through the pressure transmitter, are transmitted remotely and wirelessly and are stored, so that online automatic data collection of the pressure of the coal beds can be realized, pressure data of the coal beds can be transmitted timely even if operators cannot collect data on the site, and further, normal operation of coal bed production is guaranteed.
Description
Technical field
The present invention relates to a kind of ground data acquisition system of capillary tube test.
Background technology
In coal bed gas is produced, need to coal seam but using in early days, only have ground pressure table to show test results.Because manometric pressure value precision is lower, and cannot carry out automatic data collection, therefore inconvenient data acquisition, needs manually to scene, to carry out data acquisition, and cost of labor is increased.Especially because China's coal bed gas well multidigit is in mountain area, winter sleet and a lot of time of thunderstorm season in summer all cannot arrive scene and carry out data acquisition, have affected normally carrying out that coal bed gas is produced.
Summary of the invention
The problem existing for prior art, the ground data acquisition system that the object of the present invention is to provide a kind of capillary tube to test, higher than at present conventional echometer method of testing precision, lower than the cost of electronic pressure gauge, can meet engineering actual demand.
The ground data acquisition system of a kind of capillary tube test of the present invention comprises:
Pressure meter, is connected with the capillary tube of coal seam pressure acquisition, for the online well head pressure that shows capillary tube test;
Pressure transmitter, one end is connected with described capillary tube, and for the well head pressure of capillary tube test being changed into the data signal of pressure, the other end is connected with described data processing chip, sends the data signal of pressure to data processing chip;
Data processing chip, is connected with described pressure transmitter, and for data variation processing, the rearrangement of the data to different well depths and conversion, be converted into the pressure of test position, and two ends are connected with data-interface with described display unit respectively in addition;
Memory cell, is connected with described data processing chip, for storing through described data processing chip data message after treatment;
Display unit, is connected with described data processing chip, for showing online the data signal of the pressure of the test position at coal bed gas well capillary pressure-transmission barrel place;
Interface unit, is connected with described data processing chip, for external data transmission equipment.
Further, described interface unit is: USB interface, GPS remote transport interface, 485 interfaces or 232 interfaces.
The present invention carries out online demonstration in real time by the pressure signal of coal seam well capillary tube test by pressure meter, and by pressure transmitter, be converted to data signal and carry out online showing in real time, with long distance wireless transmission and storage, like this, just can realize the on-line automatic data acquisition of coal seam pressure, even in the situation that people cannot on-site data gathering, also the pressure data in coal seam can be sent out in time, thereby guarantee the normal operation that coal seam produces.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
The specific embodiment
As shown in Figure 1, the present invention includes: pressure transmitter 1, data processing chip 2, memory cell 3, interface unit 4, display unit 5 and pressure meter 6.
Pressure meter 6 is connected with the capillary tube 7 of coal seam pressure acquisition by four-way 10, for the online measuring air pressure that shows capillary tube 7.On four-way 10, be provided with for controlling capillary tube 7 and pressure meter 6 conductings or the switch of closing 13.
Data processing chip 2 is connected with pressure transmitter 1, for data variation processing, and the rearrangement of the data to different well depths and conversion.
Memory cell 3 is connected with data processing chip 2, for storing through data processing chip 2 information after treatment, is convenient to carry out the operations such as data copy in the future.
The present invention is by utilizing pressure meter 6 to show online the pressure signal of the capillary tube of coal seam pressure acquisition 7, and by pressure transmitter 1, be converted to data signal and carry out online demonstration and long distance wireless transmission and storage, like this, just can realize the on-line automatic data acquisition of coal seam pressure, even in the situation that people cannot on-site data gathering, also the pressure data in coal seam can be sent out in time, thereby guarantee the normal operation that coal seam produces.
Claims (2)
1. a ground data acquisition system for capillary tube test, is characterized in that, comprising:
Pressure meter, is connected with the capillary tube of coal seam pressure acquisition, for the online well head pressure obtaining that shows capillary tube test;
Pressure transmitter, one end is connected with described capillary tube, and for the well head pressure of capillary tube test being changed into the data signal of pressure, the other end is connected with described data processing chip, sends the data signal of pressure to data processing chip;
Data processing chip, is connected with described pressure transmitter, and for data variation processing, the rearrangement of the data to different well depths and conversion, be converted into the pressure of test position, and two ends are connected with data-interface with described display unit respectively in addition;
Memory cell, is connected with described data processing chip, for storing through described data processing chip data message after treatment;
Display unit, is connected with described data processing chip, for showing online the data signal of the pressure of the test position at coal bed gas well capillary pressure-transmission barrel place;
Interface unit, is connected with described data processing chip, for external data transmission equipment.
2. the system as claimed in claim 1, is characterized in that, described interface unit is: USB interface, GPS remote transport interface, 485 interfaces or 232 interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310686436.6A CN103726833A (en) | 2013-12-10 | 2013-12-10 | Ground data collection system for capillary tube testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310686436.6A CN103726833A (en) | 2013-12-10 | 2013-12-10 | Ground data collection system for capillary tube testing |
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| Publication Number | Publication Date |
|---|---|
| CN103726833A true CN103726833A (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310686436.6A Pending CN103726833A (en) | 2013-12-10 | 2013-12-10 | Ground data collection system for capillary tube testing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555583A (en) * | 2016-11-14 | 2017-04-05 | 中国科学院力学研究所 | A kind of coal bed gas well ground coal powder output and flowing bottomhole pressure (FBHP) monitoring device and method |
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| CN201765477U (en) * | 2009-09-28 | 2011-03-16 | 北京信息科技大学 | Pressure monitoring system with soft switching machine |
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| CN202673280U (en) * | 2012-05-31 | 2013-01-16 | 中国石油化工股份有限公司 | CBM (Coal Bed Methane) well downhole pressure real-time monitoring system |
| CN103277091A (en) * | 2012-11-07 | 2013-09-04 | 中国石油大学(华东) | High-temperature well temperature and pressure dynamic monitoring system |
| CN203296769U (en) * | 2013-06-20 | 2013-11-20 | 孙卓 | Automatic monitoring device for casing pressure of oil-water well |
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| CN106555583A (en) * | 2016-11-14 | 2017-04-05 | 中国科学院力学研究所 | A kind of coal bed gas well ground coal powder output and flowing bottomhole pressure (FBHP) monitoring device and method |
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Application publication date: 20140416 |