CN204371325U - A kind of high temperature slim-hole natural gamma-ray spectroscopy tool - Google Patents
A kind of high temperature slim-hole natural gamma-ray spectroscopy tool Download PDFInfo
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- CN204371325U CN204371325U CN201420812426.2U CN201420812426U CN204371325U CN 204371325 U CN204371325 U CN 204371325U CN 201420812426 U CN201420812426 U CN 201420812426U CN 204371325 U CN204371325 U CN 204371325U
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- ray spectroscopy
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Abstract
The utility model relates to logging equipment technical field, particularly relates to a kind of high temperature slim-hole natural gamma-ray spectroscopy tool.High temperature slim-hole natural gamma-ray spectroscopy tool comprises housing and well logging circuit, and described well logging circuit comprises probe tester, signal amplifier, treatment circuit, communicating circuit and power circuit; Wherein, be also provided with vacuum flask in described housing, described probe tester, signal amplifier, communicating circuit, treatment circuit and power circuit are arranged in vacuum flask; The large external diameter of described housing outermost is not more than 76mm.The application, by being arranged in vacuum flask by well logging circuit, effectively can improve the heat-resisting quantity of logging instrument, and by the maximum outside diameter of logger is arranged to the length being no more than 76mm, enables logger be applicable to test the drilling well of small diameter.
Description
Technical field
The utility model relates to logging equipment technical field, particularly relates to a kind of high temperature slim-hole natural gamma-ray spectroscopy tool.
Background technology
Digital spectrometry logging tool is a kind of instrument measuring radioactive element content in stratum.Digital spectrometry logging tool analyzes the content of naturally radioactive potassium, uranium, thorium in stratum, to determine the material property on stratum by the power spectrum of the natural gamma rays of naturally occurring radioactive substance generation different-energy in measurement stratum.The resolution element that the instrument of existing domestic use is traditional approach designs, and the backward certainty of measurement of actualizing technology of circuit is poor, is difficult to the detection adapting to deep-well.Domestic and digital spectrometry logging tool that is import is functionally divided into analog signal to measure at present; data acquisition control and data transmit three functional modules; the integrated components and parts of a large amount of employing middle and small scales; device uses many and volume is large; therefore be only that partial circuit is loaded in metal heat insulation bottle; and then being sealed in a metal bearing shell, other circuit then cannot be encapsulated in metal heat insulation bottle and realize high temperature protection function.In addition, the power supply of existing digital spectrometry logging tool has+5 volt power supplys ,+12 volt power supplys ,-12 volt power supplys, and power consumption is large, causes temperature in bottle to raise very fast.The two problems that above prior art exists, have impact on the resistance to elevated temperatures of whole digital spectrometry logging tool.
Secondly, because the borehole diameter of existing drilling well is more and more less, conventional logging instrument cannot be adapted to the drilling well of existing small-well-diameter.
For the problems referred to above, we need a kind of can measurement the drilling well compared with small-well-diameter, and can carry out the high temperature slim-hole natural gamma-ray spectroscopy tool of work in a long time under the environment of HTHP.
Utility model content
The purpose of this utility model is to propose a kind of high temperature slim-hole natural gamma-ray spectroscopy tool, can measure, and can carry out work in a long time under the environment of HTHP to the drilling well compared with small-well-diameter.
For reaching this object, the utility model by the following technical solutions:
A kind of high temperature slim-hole natural gamma-ray spectroscopy tool, comprise housing and well logging circuit, described well logging circuit comprises probe tester, producing gamma ray, producing corresponding detection signal by detecting by radioactive element in stratum;
Signal amplifier, for the detection signal that receiving transducer probe produces, and amplifies to the received signal,
The treatment circuit be connected with described signal amplifier, described treatment circuit obtains radioactive element energy spectrum signal for receiving and processing the detection signal amplified through signal amplifier;
The communicating circuit of connection handling circuit, for receiving ground order and sending to treatment circuit and the energy spectrum signal for the treatment of circuit is sent to ground system;
And the power circuit to be connected with described treatment circuit;
Wherein,
Also be provided with vacuum flask in described housing, described probe tester, signal amplifier, treatment circuit, communicating circuit and power circuit are arranged in vacuum flask;
The large external diameter of described housing outermost is not more than 76mm.
As a kind of preferred version of above-mentioned high temperature slim-hole natural gamma-ray spectroscopy tool, also be provided with high-tension circuit, bleeder circuit and filter circuit between described treatment circuit and probe tester, described treatment circuit provides operating voltage by high-tension circuit, bleeder circuit and filter circuit to probe tester.
As a kind of preferred version of above-mentioned high temperature slim-hole natural gamma-ray spectroscopy tool, described probe detector is made up of sodium iodide crystal and photomultiplier, the arranged outside of described sodium iodide crystal has antimagnetic sheath, and the bottom of described photomultiplier is provided with lower absorber.
As a kind of preferred version of above-mentioned high temperature slim-hole natural gamma-ray spectroscopy tool, described housing comprises body, and arranges top connection and the lower contact at body two ends, and the end of top connection and lower contact is respectively arranged with helmet and plug.
As a kind of preferred version of above-mentioned high temperature slim-hole natural gamma-ray spectroscopy tool, the maximum outside diameter of described housing is 76mm.
As a kind of preferred version of above-mentioned high temperature slim-hole natural gamma-ray spectroscopy tool, the top being positioned at described vacuum flask is provided with absorber.
As a kind of preferred version of above-mentioned high temperature slim-hole natural gamma-ray spectroscopy tool, described probe detector, signal amplifier, communicating circuit, treatment circuit are integrated on one piece of surface-mounted integrated circuit.
As a kind of preferred version of above-mentioned high temperature slim-hole natural gamma-ray spectroscopy tool, the power supply that described power circuit provides is the direct current of+5v.
The beneficial effects of the utility model are: this application provides a kind of high temperature slim-hole natural gamma-ray spectroscopy tool, by well logging circuit is arranged in vacuum flask, effectively can improve the heat-resisting quantity of logging instrument, and by the maximum outside diameter of logger is arranged to the length being no more than 76mm, enable logger be applicable to test the drilling well of small diameter.
Accompanying drawing explanation
Fig. 1 is the structural representation of the logging instrument that the utility model detailed description of the invention provides;
Fig. 2 is the structural representation of the well logging circuit that the utility model detailed description of the invention provides.
Wherein:
1: housing; 2: well logging circuit; 3: vacuum flask; 4: lower absorber; 5: upper absorber;
21: probe tester; 22: signal amplifier; 23: treatment circuit; 24: communicating circuit; 25: ground system; 26: power circuit; 27: high-tension circuit; 28: bleeder circuit; 29: filter circuit.
Detailed description of the invention
The technical solution of the utility model is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, present embodiments provide for a kind of high temperature slim-hole natural gamma-ray spectroscopy tool, comprise housing 1 and well logging circuit 2, well logging circuit 2 comprises probe tester 21, producing gamma ray by detecting by radioactive element in stratum, producing corresponding detection signal.Signal amplifier 22, for the detection signal that receiving transducer probe 21 produces, and amplifies to the received signal.The treatment circuit 23 be connected with described signal amplifier 22, described treatment circuit 23 obtains radioactive element energy spectrum signal for receiving and processing the detection signal amplified through signal amplifier 22.The communicating circuit 24 of connection handling circuit 23, for receiving ground order and sending to treatment circuit 23 and the energy spectrum signal for the treatment of circuit 23 is sent to ground system 25.And the power circuit 26 to be connected with described treatment circuit 23.
Wherein, be also provided with vacuum flask 3 in described housing 1, described probe tester 21, signal amplifier 22, treatment circuit 23, communicating circuit 24 and power circuit 26 are arranged in vacuum flask 3.The large external diameter of described housing 1 outermost is not more than 76mm.
In present embodiment, by well logging circuit 2 is arranged in vacuum flask 3, effectively can improve the heat-resisting quantity of logging instrument, and by the maximum outside diameter of logger is arranged to the length being no more than 76mm, enable logger be applicable to test the drilling well of small diameter.
As preferably, also be provided with high-tension circuit 27, bleeder circuit 28 and filter circuit 29 between treatment circuit 23 and probe tester 21, described treatment circuit 23 provides operating voltage by high-tension circuit 27, bleeder circuit 28 and filter circuit 29 to probe tester 21.
Probe detector 21 is made up of sodium iodide crystal and photomultiplier, and the arranged outside of described sodium iodide crystal has antimagnetic sheath, and the bottom of described photomultiplier is provided with lower absorber 4.Owing to arranging the resistance to elevated temperatures that further can improve logger at antimagnetic sheath and lower absorber 4.
Concrete, described housing comprises body, and arranges top connection and the lower contact at body two ends, and the end of top connection and lower contact is respectively arranged with helmet and plug.And the top being positioned at described vacuum flask is provided with absorber 5.The resistance to elevated temperatures of logging instrument further can be improved by arranging absorber 5 on vacuum flask.
As preferably, the maximum outside diameter of housing 1 is 76mm.
In order to reduce the diameter of logger, reduce the volume of logging instrument, probe detector, signal amplifier, communicating circuit, treatment circuit are integrated on one piece of surface-mounted integrated circuit.
As preferably, the power supply that power circuit provides is the direct current of+5v.
Below know-why of the present utility model is described in conjunction with specific embodiments.These describe just in order to explain principle of the present utility model, and can not be interpreted as the restriction to the utility model protection domain by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present utility model, and these modes all will fall within protection domain of the present utility model.
Claims (8)
1. a high temperature slim-hole natural gamma-ray spectroscopy tool, comprise housing and well logging circuit, described well logging circuit comprises probe tester, producing gamma ray, producing corresponding detection signal by detecting by radioactive element in stratum;
Signal amplifier, for the detection signal that receiving transducer probe produces, and amplifies to the received signal,
The treatment circuit be connected with described signal amplifier, described treatment circuit obtains radioactive element energy spectrum signal for receiving and processing the detection signal amplified through signal amplifier;
The communicating circuit of connection handling circuit, for receiving ground order and sending to treatment circuit and the energy spectrum signal for the treatment of circuit is sent to ground system;
And the power circuit to be connected with described treatment circuit;
It is characterized in that,
Also be provided with vacuum flask in described housing, described probe tester, signal amplifier, treatment circuit, communicating circuit and power circuit are arranged in vacuum flask;
The large external diameter of described housing outermost is not more than 76mm.
2. high temperature slim-hole natural gamma-ray spectroscopy tool according to claim 1, it is characterized in that, also be provided with high-tension circuit, bleeder circuit and filter circuit between described treatment circuit and probe tester, described treatment circuit provides operating voltage by high-tension circuit, bleeder circuit and filter circuit to probe tester.
3. high temperature slim-hole natural gamma-ray spectroscopy tool according to claim 1, it is characterized in that, described probe detector is made up of sodium iodide crystal and photomultiplier, and the arranged outside of described sodium iodide crystal has antimagnetic sheath, and the bottom of described photomultiplier is provided with lower absorber.
4. high temperature slim-hole natural gamma-ray spectroscopy tool according to claim 1, it is characterized in that, described housing comprises body, and arranges top connection and the lower contact at body two ends, and the end of top connection and lower contact is respectively arranged with helmet and plug.
5. high temperature slim-hole natural gamma-ray spectroscopy tool according to claim 1, is characterized in that, the maximum outside diameter of described housing is 76mm.
6. high temperature slim-hole natural gamma-ray spectroscopy tool according to claim 1, it is characterized in that, the top being positioned at described vacuum flask is provided with absorber.
7. high temperature slim-hole natural gamma-ray spectroscopy tool according to claim 1, is characterized in that, described probe detector, signal amplifier, communicating circuit, treatment circuit are integrated on one piece of surface-mounted integrated circuit.
8. high temperature slim-hole natural gamma-ray spectroscopy tool according to claim 1, is characterized in that, the power supply that described power circuit provides is the direct current of+5v.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420812426.2U CN204371325U (en) | 2014-12-18 | 2014-12-18 | A kind of high temperature slim-hole natural gamma-ray spectroscopy tool |
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CN201420812426.2U CN204371325U (en) | 2014-12-18 | 2014-12-18 | A kind of high temperature slim-hole natural gamma-ray spectroscopy tool |
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CN204371325U true CN204371325U (en) | 2015-06-03 |
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CN201420812426.2U Expired - Fee Related CN204371325U (en) | 2014-12-18 | 2014-12-18 | A kind of high temperature slim-hole natural gamma-ray spectroscopy tool |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105064988A (en) * | 2015-08-04 | 2015-11-18 | 中国科学院声学研究所 | Slim-hole natural gamma spectrometry logging device |
CN105134201A (en) * | 2015-09-25 | 2015-12-09 | 王佟 | Gamma ray spectrometry log tool |
CN106223943A (en) * | 2016-08-27 | 2016-12-14 | 吉艾(天津)石油工程技术服务有限公司 | A kind of self-priming hot type The Small Well CNT |
CN115788421A (en) * | 2023-02-14 | 2023-03-14 | 山东交通学院 | Integrated natural gamma energy spectrum logging instrument |
-
2014
- 2014-12-18 CN CN201420812426.2U patent/CN204371325U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105064988A (en) * | 2015-08-04 | 2015-11-18 | 中国科学院声学研究所 | Slim-hole natural gamma spectrometry logging device |
CN105134201A (en) * | 2015-09-25 | 2015-12-09 | 王佟 | Gamma ray spectrometry log tool |
CN106223943A (en) * | 2016-08-27 | 2016-12-14 | 吉艾(天津)石油工程技术服务有限公司 | A kind of self-priming hot type The Small Well CNT |
CN115788421A (en) * | 2023-02-14 | 2023-03-14 | 山东交通学院 | Integrated natural gamma energy spectrum logging instrument |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20181218 |
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CF01 | Termination of patent right due to non-payment of annual fee |