CN203870273U - High-resolution natural gamma-ray logging instrument - Google Patents
High-resolution natural gamma-ray logging instrument Download PDFInfo
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- CN203870273U CN203870273U CN201420182854.1U CN201420182854U CN203870273U CN 203870273 U CN203870273 U CN 203870273U CN 201420182854 U CN201420182854 U CN 201420182854U CN 203870273 U CN203870273 U CN 203870273U
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- sleeve
- shield
- core
- natural gamma
- resolving power
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Abstract
The utility model relates to a high-resolution natural gamma-ray logging instrument. The high-resolution natural gamma-ray logging instrument comprises an upper protective cap, an outer cylinder, a threaded sleeve, a half clamp, a shield I, a shield II, a sleeve I, a sleeve II, a line frame, a core female plug, a core male plug and a lower protective cap. The upper protective cap is connected with the outer cylinder through the threaded sleeve. The outer cylinder is in threaded connection with the lower protective cap. The shield I, the shield II, the sleeve I and the sleeve II are successively arranged on the wall of the outer cylinder. The line frame is equipped with a probe, a power panel and a main control board, is disposed inside the outer cylinder via a connection sleeve, and is connected with a core male plug assembly and a core female plug assembly. A penetration wire penetrates the inside of the line frame to be connected with electronic elements, and is also connected with the core male plug and the core female plug. The high-resolution natural gamma-ray logging instrument is optimized in structure and enhanced in response to thin layers, allows the logging curve vertical resolution to reach 0.2m, can measure gamma rays different in energy, can determine the content of radioactive uranium, thorium and potassium in strata, and is stable and reliable in working performance.
Description
Technical field
The utility model relates to radiomaterial field of measuring technique, relates to a kind of high resolving power natural gamma logging device.
Background technology
In stratum, naturally occurring agate ray can be summed up as the ray occurring when decay occurs this three classes radioactive nuclide of potassium element, thorium element and uranium element substantially, has three kinds of energy that height is different.Natural gamma ray log is to be familiar with rock stratum by measuring the intensity of the natural gamma rays of rock stratum.For geologic section division, shale index calculating, bottom contrast and searching radioactive mineral.Existing similar gamma-ray tool can only carry out record to surpassing the gamma ray total amount of certain energy, the difference in response to thin layer, and the longitudinal frame of logging trace is low, can not meet the needs of exploratory development.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, by optimizing structure, provides a kind of novel high resolving power natural gamma logging device that can measure naturally occurring radioactivity agate ray energy spectrum in well.
For achieving the above object, the utility model is achieved through the following technical solutions:
A kind of high resolving power natural gamma logging device, comprise helmet, urceolus, thread bush, half clip, shield I, shield II, sleeve I, sleeve II, circuit framework, core female, core public plug, lower helmet, wherein: upper helmet is connected with urceolus by thread bush, thread bush is fixed on outer cylinder front end by snap ring, baffle ring, and urceolus is threaded with lower helmet; Shield I, shield II, sleeve I, sleeve II sequentially by half clip locating sleeve on outer tube wall; Circuit framework is arranged at urceolus inside by adapter sleeve, and lower end arranges core public plug assembly, and upper end arranges core female assembly, and through track, by circuit framework internal run-through, is connected with core public plug with core female.
In described shield I, shield II, pour into after metallic lead liquation cooling.
Described sleeve I, sleeve II material are nylon.
Described shield I, shield II, sleeve I, the staggered combination of sleeve II are arranged on outer tube wall.
On described circuit framework, be provided with probe, power panel and master control borad, probe comprises crystal, photomultiplier, divider resistance and corresponding filter capacitor.
Described every section of bottom of circuit framework is U-shaped cambered surface, to avoid electronic component and through track.
Described core female is 31 core females, and core public plug is 31 core public plugs.
Compared with prior art, the beneficial effect having is the utility model:
1, the utility model total quality weight, goes into the well and plays nature centralizing function.
2, the utility model structure optimization, adopting the little nylon of thermal deformation is insulating material, pours into metallic lead liquid in shield, and a plurality of sleeves and shield are used in combination, and improve the response of instrument to thin layer, and Vertical Resolution in Well Logging Curves reaches 0.2m.
3, the utility model can be measured the agate ray of naturally occurring different-energy in stratum, and the curves such as whole gamma ray count rates are provided simultaneously, determines the content of radioactive uranium in stratum, thorium, potassium.Stable and reliable working performance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-upper helmet 5-snap ring 6-baffle ring 9-adapter sleeve 8-thread bush
10-urceolus, 11-circuit framework, 15-half clip 16-shield I 17-sleeve I
18-shield I, 19-sleeve II 20-lower helmet 21-core female, 22-core public plug
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
A high resolving power natural gamma logging device, comprises helmet 1, urceolus 10, thread bush 8, half clip 15, shield I 16, shield II 18, sleeve I 17, sleeve II 19, circuit framework 11, core female 21, core public plug 22, lower helmet 20.
Described upper helmet 1 is connected with urceolus 10 by thread bush 8, and thread bush 8 is fixed on urceolus 10 front ends by snap ring 5, baffle ring 6, and urceolus 10 is threaded with lower helmet 20;
In shield, pour into cooling screen after metallic lead liquation, by cooled cover body I 16, shield II 18, nylon sleeve I 17, nylon sleeve II 19 sequentially by half clip 15 locating sleeves on urceolus 10 walls;
Circuit framework 11 is arranged at urceolus 10 inside by adapter sleeve 9, is provided with probe, power panel and master control borad on circuit framework, and probe comprises crystal, photomultiplier, divider resistance and corresponding filter capacitor.Circuit framework lower end arranges 31 core public plug assemblies, and circuit framework upper end arranges 31 core female assemblies, and through track is connected with each electronic component by circuit framework internal run-through, and is connected with 31 core public plugs with 31 core females.
Above described in be only ultimate principle of the present utility model, not the utility model is imposed any restrictions, everyly according to the utility model, it is carried out to equivalent variations and modification, all within the category of the art of this patent protection scheme.
Claims (7)
1. a high resolving power natural gamma logging device, it is characterized in that, comprise helmet, urceolus, thread bush, half clip, shield I, shield II, sleeve I, sleeve II, circuit framework, core female, core public plug, lower helmet, wherein: upper helmet is connected with urceolus by thread bush, thread bush is fixed on outer cylinder front end by snap ring, baffle ring, and urceolus is threaded with lower helmet; Shield I, shield II, sleeve I, sleeve II sequentially by half clip locating sleeve on outer tube wall; Circuit framework is arranged at urceolus inside by adapter sleeve, and lower end arranges core public plug assembly, and upper end arranges core female assembly, and through track, by circuit framework internal run-through, is connected with core public plug with core female.
2. a kind of high resolving power natural gamma logging device according to claim 1, is characterized in that, pours into after metallic lead liquation cooling in described shield I, shield II.
3. a kind of high resolving power natural gamma logging device according to claim 1, is characterized in that, described sleeve I, sleeve II material are nylon.
4. a kind of high resolving power natural gamma logging device according to claim 1, is characterized in that, described shield I, shield II, sleeve I, the staggered combination of sleeve II are arranged on outer tube wall.
5. a kind of high resolving power natural gamma logging device according to claim 1, is characterized in that, is provided with probe, power panel and master control borad on described circuit framework, and probe comprises crystal, photomultiplier, divider resistance and corresponding filter capacitor.
6. a kind of high resolving power natural gamma logging device according to claim 1, is characterized in that, described every section of bottom of circuit framework is U-shaped cambered surface, to avoid electronic component and through track.
7. a kind of high resolving power natural gamma logging device according to claim 1, is characterized in that, described core female is 31 core females, and core public plug is 31 core public plugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420182854.1U CN203870273U (en) | 2014-04-16 | 2014-04-16 | High-resolution natural gamma-ray logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420182854.1U CN203870273U (en) | 2014-04-16 | 2014-04-16 | High-resolution natural gamma-ray logging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203870273U true CN203870273U (en) | 2014-10-08 |
Family
ID=51651211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420182854.1U Expired - Fee Related CN203870273U (en) | 2014-04-16 | 2014-04-16 | High-resolution natural gamma-ray logging instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203870273U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373119A (en) * | 2014-10-11 | 2015-02-25 | 中国地质大学（武汉） | While-drilling natural gamma uranium measuring instrument based on rock core drilling |
| CN108729889A (en) * | 2018-07-16 | 2018-11-02 | 西安物华巨能爆破器材有限责任公司 | Precisely measure and control device between comprehensive control wireless cascade communication rifle |
-
2014
- 2014-04-16 CN CN201420182854.1U patent/CN203870273U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373119A (en) * | 2014-10-11 | 2015-02-25 | 中国地质大学（武汉） | While-drilling natural gamma uranium measuring instrument based on rock core drilling |
| CN104373119B (en) * | 2014-10-11 | 2017-03-08 | 中国地质大学（武汉） | A kind of drill-following natural gamma based on core drilling surveys uranium instrument |
| CN108729889A (en) * | 2018-07-16 | 2018-11-02 | 西安物华巨能爆破器材有限责任公司 | Precisely measure and control device between comprehensive control wireless cascade communication rifle |
| CN108729889B (en) * | 2018-07-16 | 2024-04-02 | 物华能源科技有限公司 | Accurate omnibearing control wireless cascade communication gun interval measurement and control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20160416 |