CN103345212A - System and method for monitoring radioactive source state of oil field well logging system - Google Patents
System and method for monitoring radioactive source state of oil field well logging system Download PDFInfo
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- CN103345212A CN103345212A CN2013102313805A CN201310231380A CN103345212A CN 103345212 A CN103345212 A CN 103345212A CN 2013102313805 A CN2013102313805 A CN 2013102313805A CN 201310231380 A CN201310231380 A CN 201310231380A CN 103345212 A CN103345212 A CN 103345212A
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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
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Abstract
The invention discloses a system and method for monitoring a radioactive source state of an oil field well logging system. The monitoring system comprises a radioactive source vehicle, an isolating tank for placing a radioactive source and a plurality of scale source boxes are contained in a carriage of the radioactive source vehicle, a plurality of scale sources are placed in each scale source box, all the scale sources are connected to a switch value acquiring module through interconnecting devices I, and the switch value acquiring module is connected to a remote measuring and controlling terminal system through an interconnecting device II; a plurality of strong radioactive source acquiring sensors are arranged on the periphery of the outer wall of the isolating tank, all the strong radioactive source acquiring sensors are connected to the remote monitoring and controlling terminal system, and the remote monitoring and controlling terminal system transmits state signals to a center control room through wireless communication modules. Wired connection is adopted for the interior of the radioactive source vehicle, all the state signals are converted to digital signals, finally, the digital signals are transmitted through the wireless communication modules, data amount is small, occupied bandwidth is small, and the system and method for monitoring the radioactive source state of the oil field well logging system are particularly suitable for monitoring the radioactive source state of an oil field well logging system in a remote area in real time.
Description
Technical field
The present invention relates to a kind of radioactive source condition monitoring system, be specifically related to a kind of oil reservoir logging system's radioactive source condition monitoring system and method for supervising.
Background technology
There are a lot of radioactive sources in the oil reservoir logging system, and comprise substantial radiation source and be used for calibration source two classes of calibrating instrument, be the special goods and materials of national strict control, in case loss can constitute serious harm to people's life.The special a kind of vehicle delivery radioactive source of logging system, its effect is that radioactive source is taken out from the warehouse, transports to after the entrucking on the oil well, uses during for well logging, after finishing using, reinstall vehicle, transport the warehouse back, but this process time is longer, sometimes may the several months, and must complete monitoring.In order to realize this target, people have done many trials, and attempting of having installed radio communication device at radioactive source, and what have attempts to adopt radio-frequency (RF) tag, and the assisted solar electric power system, but all can't realize because of problems such as power supplies.
The oil reservoir logging system is often away from the work of the remote districts in city, network coverage difference or at all do not have the network coverage, and the transmission lot of data is impossible realize substantially.
Summary of the invention
The objective of the invention is for overcoming above-mentioned the deficiencies in the prior art, a kind of oil reservoir logging system's radioactive source condition monitoring system and method for supervising are provided.
For achieving the above object, the present invention adopts following technical proposals:
Oil reservoir logging system radioactive source condition monitoring system, it comprises the radioactive source car, comprises sealing chamber and several a calibration source case of settling radioactive source in the compartment of radioactive source car, places several calibration sources in each calibration source case; Each calibration source all is connected to the switch acquisition module by interconnecting devices I, and described switch acquisition module is connected to the RTU system by interconnecting devices II; Several substantial radiation source pick-up transducers are set around the outer wall of described sealing chamber, each substantial radiation source pick-up transducers all is connected to the RTU system, and described RTU system is sent to central control room (CCR) by wireless communication module with status signal.
Stube cable of corresponding configuration between each calibration source and the switch acquisition module, described calibration source are provided with the socket of band short-circuit line, and this socket cooperates with the plug of stube cable one end.
Described switch acquisition module is connected to the RTU system by interconnecting devices II.
Described interconnecting devices II comprises supply module.
Pass through RS485 bus or CAN bus communication between each calibration source case and the RTU system.
Described wireless communication module is sent to warning device I and display device I in the compartment with status signal; Be provided with warning device II and display device II in the described central control room (CCR).
Described supervisory system is powered by storage battery, and configuration emergent charging lithium battery.
The method for supervising of above-mentioned supervisory system, concrete steps are as follows:
1) the substantial radiation source pick-up transducers detects, gathers the radiation signal of each substantial radiation source in real time by the outer minute leakage of sealing chamber, if can collect, it is in place then to be judged to be this kind substantial radiation source; If not, then be judged to be not in placely, and corresponding status signal under the both of these case is sent to the RTU system, enter step 4);
2) RTU system acquisition calibration source case address, if can collect, it is in place then to be judged to be this calibration source case, enters step 3); If not, then be judged to be not in placely, this calibration source case address and status signal are sent to central control room (CCR);
3) the switch acquisition module is gathered the calibration source address in the calibration source case, if can collect, it is in place then to be judged to be this calibration source; If not, then be judged to be not in placely, and corresponding calibration source address and status signal under the both of these case be sent to the RTU system, enter step 4);
4) the RTU system is sent to central control room (CCR) with the signal that receives.
Described step 2) implementation method is: the interconnecting devices II that is positioned on the calibration source case is communicated with, and then the RTU system can collect this calibration source case address, judges that namely this calibration source case is in place, otherwise for not in place.
The implementation method of described step 3) is: each calibration source is by stube cable of switch acquisition block configuration, a plug is installed on the stube cable, when calibration source is in the calibration source case, plug inserts the socket of this calibration source, the RTU system just can be in place by this calibration source that the switch acquisition module detects in the corresponding calibration source case, otherwise just expression is not in place.
Principle of work of the present invention:
The data of RTU system acquisition substantial radiation source pick-up transducers and the state of each calibration source, and with status signal by being wirelessly transmitted to central control room (CCR); In addition, the annexation of RTU system and each calibration source case, also realize by one group of plugs and sockets, it is socket on the calibration source case, realize communicating by letter by RS485 or CAN bus mode between a plurality of calibration source casees and the RTU system, if all calibration source casees are all in place, the RTU system just can detect corresponding address, otherwise, show that then certain calibration source case is not in place.
The substantial radiation source pick-up transducers is installed near the radioactive source sealing chamber outer wall, by wired access RTU system; Several calibration source casees are connected with RS485 or CAN bus mode with the RTU system by interconnecting devices II; Switch acquisition module in the calibration source case is connected with the RTU system by interconnecting devices II, and is connected by the short-circuit line that disposes on interconnecting devices I and the calibration source; Wireless communication module is connected with the RTU system.Because communication is by wired realization in the car, the power consumption of total system is very little, relies on storage battery on the car, and configuration emergent charging lithium battery does standbyly, just can accomplish that real-time continuous monitors.
During work, if all substantial radiation source pick-up transducers all are connected with connector, the data of substantial radiation source pick-up transducers can be gathered by the RTU system, and these data are used for determining whether certain provenance is in place, and it detects by the outer minute leakage of sealing chamber; Can gather the address (representing in place) of all calibration source casees, can collect all the calibration source addresses (representing in place) in each calibration source case, and data and state are sent to central control room (CCR) by wireless communication module, substantial radiation source no matter, still calibration source has not in place, warning is sent in the capital in central control room (CCR) and radioactive source car pilothouse, and shows numbering and the address of disappearance radioactive source.
The invention has the beneficial effects as follows, simple and ingenious structure of the present invention, utilize RTU system, substantial radiation source pick-up transducers and a plurality of interconnecting devices of low-power consumption, realize substantial radiation source, calibration source case and calibration source state are monitored, because its power requirement is low, use the lithium battery of vehicle accumulator and configuration just can guarantee its continuous working, filled up the blank that well logging radioactive source car is monitored continuously in real time.
Adopt wired connection in the radioactive source car of the present invention, directly connect the corresponding signal in place or not in place of output by simple break-make, all be converted to digital signal, transmit by wireless communication module at last, data volume is little, occupied bandwidth is little, and adds the data forward function, is very suitable for the real-time monitoring of the oil reservoir logging system radioactive source state of remote districts.
Description of drawings
Fig. 1 is structural representation of the present invention;
Wherein 1. sealing chambers, 2. RTU system, 3. wireless communication module, 4. substantial radiation source pick-up transducers, 5. calibration source case, 6. interconnecting devices II, 7. switch acquisition module, 8. calibration source, 9. interconnecting devices I.
Embodiment
The present invention will be further elaborated below in conjunction with drawings and Examples, should be noted that following explanation only is in order to explain the present invention, its content not to be limited.
Oil reservoir logging system radioactive source condition monitoring system, it comprises the radioactive source car, comprises sealing chamber 1 and several a calibration source case 5 of settling radioactive source in the compartment of radioactive source car, places several calibration sources 8 in each calibration source case 5; Each calibration source 8 all is connected to switch acquisition module 7 by interconnecting devices I9, and switch acquisition module 7 is connected to RTU system 2 by interconnecting devices II6; Several substantial radiation source pick-up transducers 4 are set around the outer wall of sealing chamber 1, each substantial radiation source pick-up transducers 4 all is connected to RTU system 2, and RTU system 2 is sent to central control room (CCR) by wireless communication module 3 with status signal.Stube cable of corresponding configuration between each calibration source 8 and the switch acquisition module 7, calibration source 8 are provided with the socket of band short-circuit line, and this socket cooperates with the plug of stube cable one end.Switch acquisition module 7 is connected to RTU system 2 by interconnecting devices II6.Interconnecting devices II6 comprises supply module.Pass through RS485 bus or CAN bus communication between each calibration source case 5 and the RTU system 2.Wireless communication module 3 is sent to warning device I and display device I in the compartment with status signal; Be provided with warning device II and display device II in the central control room (CCR).This supervisory system is powered by storage battery, and configuration emergent charging lithium battery.
The method for supervising of above-mentioned supervisory system, concrete steps are as follows:
1) substantial radiation source pick-up transducers 4 detects, gathers the radiation signal of each substantial radiation source in real time by the outer minute leakage of sealing chamber 1, if can collect, it is in place then to be judged to be this kind substantial radiation source; If not, then be judged to be not in placely, and corresponding status signal under the both of these case is sent to RTU system 2, enter step 4);
2) calibration source casees 5 addresses are gathered by RTU system 2, if can collect, it is in place then to be judged to be this calibration source case 5, enters step 3); If not, then be judged to be not in placely, these calibration source case 5 addresses and status signal are sent to central control room (CCR);
3) switch acquisition module 7 is gathered the calibration source address in the calibration source casees 5, if can collect, it is in place then to be judged to be this calibration source; If not, then be judged to be not in placely, and corresponding calibration source address and status signal under the both of these case be sent to RTU system 2, enter step 4);
4) RTU system 2 is sent to central control room (CCR) with the signal that receives.
Step 2) implementation method is: the interconnecting devices II6 that is positioned on the calibration source case 5 is communicated with, and then RTU system 2 can collect this calibration source case 5 addresses, judges that namely this calibration source case 5 is in place, otherwise for not in place.
The implementation method of step 3) is: each calibration source 8 is by stube cable of switch acquisition module 7 configurations, a plug is installed on the stube cable, when calibration source is in calibration source case 5, plug inserts the socket of this calibration source 8, RTU system 2 just can be in place by this calibration source 8 that switch acquisition module 7 detects in the corresponding calibration source case 5, otherwise just expression is not in place.
Principle of work of the present invention:
The data of substantial radiation source pick-up transducers 4 and the state of each calibration source 8 are gathered by RTU system 2, and with status signal by being wirelessly transmitted to central control room (CCR); In addition, the annexation of RTU system 2 and each calibration source case 5, also realize by one group of plugs and sockets, it is socket on the calibration source case 5, realize communicating by letter by RS485 or CAN bus mode between a plurality of calibration source casees 5 and the RTU system 2, if all calibration source casees 5 are all in place, RTU system 2 just can detect corresponding address, otherwise, show that then certain calibration source case 5 is not in place.
Substantial radiation source pick-up transducers 4 is installed near radioactive source sealing chamber 1 outer wall, by wired access RTU system 2; Several calibration source casees 5 are connected with RS485 or CAN bus mode with RTU system 2 by interconnecting devices II6; Switch acquisition modules 7 in the calibration source case 5 are connected with RTU system 2 by interconnecting devices II6, and the short-circuit line that passes through to dispose on interconnecting devices I9 and the calibration source 8 is connected; Wireless communication module 3 is connected with RTU system 2.Because communication is by wired realization in the car, the power consumption of total system is very little, relies on storage battery on the car, and configuration emergent charging lithium battery does standbyly, just can accomplish that real-time continuous monitors.
During work, if all substantial radiation source pick-up transducers 4 all are connected with connector, the data of substantial radiation source pick-up transducers 4 can be gathered by RTU system 2, and these data are used for determining whether certain substantial radiation source is in place, and it detects by sealing chamber 1 outer minute leakage; Can gather the address (representing in place) of all calibration source casees 5, can collect all calibration source 8 addresses (representing in place) in each calibration source case 5, and data and state are sent to central control room (CCR) by wireless communication module 3, substantial radiation source no matter, still calibration source 8 has not in place, warning is sent in the capital in central control room (CCR) and radioactive source car pilothouse, and shows numbering and the address of disappearance radioactive source.
Though above-mentionedly by reference to the accompanying drawings the specific embodiment of the present invention is described; but be not limiting the scope of the invention; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (10)
1. oil reservoir logging system radioactive source condition monitoring system, it comprises the radioactive source car, comprises sealing chamber and several a calibration source case of settling radioactive source in the compartment of radioactive source car, places several calibration sources in each calibration source case; It is characterized in that each calibration source all is connected to the switch acquisition module by interconnecting devices I, described switch acquisition module is connected to the RTU system by interconnecting devices II; Several substantial radiation source pick-up transducers are set around the outer wall of described sealing chamber, each substantial radiation source pick-up transducers all is connected to the RTU system, and described RTU system is sent to central control room (CCR) by wireless communication module with status signal.
2. supervisory system according to claim 1 is characterized in that, stube cable of corresponding configuration between each calibration source and the switch acquisition module, described calibration source are provided with the socket of band short-circuit line, and this socket cooperates with the plug of stube cable one end.
3. supervisory system according to claim 1 is characterized in that, described switch acquisition module is connected to the RTU system by interconnecting devices II.
4. supervisory system according to claim 1 is characterized in that, described interconnecting devices II comprises supply module.
5. supervisory system according to claim 1 is characterized in that, passes through RS485 bus or CAN bus communication between each calibration source case and the RTU system.
6. supervisory system according to claim 1 is characterized in that, described wireless communication module is sent to warning device I and display device I in the compartment with status signal; Be provided with warning device II and display device II in the described central control room (CCR).
7. supervisory system according to claim 1 is characterized in that, described supervisory system is powered by storage battery, and configuration emergent charging lithium battery.
8. the method for supervising of the described supervisory system of above-mentioned each claim is characterized in that concrete steps are as follows:
1) the substantial radiation source pick-up transducers detects, gathers the radiation signal of each substantial radiation source in real time by the outer minute leakage of sealing chamber, if can collect, it is in place then to be judged to be this kind substantial radiation source; If not, then be judged to be not in placely, and corresponding status signal under the both of these case is sent to the RTU system, enter step 4);
2) RTU system acquisition calibration source case address, if can collect, it is in place then to be judged to be this calibration source case, enters step 3); If not, then be judged to be not in placely, this calibration source case address and status signal are sent to central control room (CCR);
3) the switch acquisition module is gathered the calibration source address in the calibration source case, if can collect, it is in place then to be judged to be this calibration source; If not, then be judged to be not in placely, and corresponding calibration source address and status signal under the both of these case be sent to the RTU system, enter step 4);
4) the RTU system is sent to central control room (CCR) with the signal that receives.
9. method for supervising according to claim 8, it is characterized in that described step 2) implementation method be: the interconnecting devices II that is positioned on the calibration source case is communicated with, and then the RTU system can collect this calibration source case address, judge that namely this calibration source case is in place, otherwise for not in place.
10. method for supervising according to claim 8, it is characterized in that, the implementation method of described step 3) is: each calibration source is by stube cable of switch acquisition block configuration, a plug is installed on the stube cable, when calibration source is in the calibration source case, plug inserts the socket of this calibration source, and the RTU system just can be in place by this calibration source that the switch acquisition module detects in the corresponding calibration source case, otherwise just expression is not in place.
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| CN201310231380.5A CN103345212B (en) | 2013-06-09 | 2013-06-09 | Oil reservoir logging system radioactive source condition monitoring system and monitoring method |
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| CN201310231380.5A CN103345212B (en) | 2013-06-09 | 2013-06-09 | Oil reservoir logging system radioactive source condition monitoring system and monitoring method |
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Address after: 250101 Shandong city of Ji'nan province high tech Zone Shun Road No. 2000 Shun Tai Plaza 8 Building 8 floor Patentee after: JINAN NEW GIGANANO LONG-DISTANCE MEASURING & CONTROL Co.,Ltd. Address before: 250101 Shandong city of Ji'nan province high tech Zone Shun Road No. 2000 Shun Tai Plaza Building 8, room 1-805 Patentee before: JINAN NEW GIGANANO LONG-DISTANCE MEASURING & CONTROL Co.,Ltd. |