CN207144935U - A kind of built-in neutron source and source bin device - Google Patents
A kind of built-in neutron source and source bin device Download PDFInfo
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- CN207144935U CN207144935U CN201720795403.9U CN201720795403U CN207144935U CN 207144935 U CN207144935 U CN 207144935U CN 201720795403 U CN201720795403 U CN 201720795403U CN 207144935 U CN207144935 U CN 207144935U
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Abstract
The utility model provides a kind of built-in neutron source and source bin device, including neutron source and source bin device, the neutron source carries out screwed connection by using the source screw of grabbing that long handle grabs source bar and is arranged on neutron source bottom, and neutron source is quickly put into the source storehouse set on the bin device of source.Neutron source radiation built in the utility model application was carried out in oil pipe production logging, had designed and produced matched special handling neutron source instrument.Realize and quick despatch is carried out to neutron source over 1.2 meters.Built-in neutron source and source bin device are examined by the superhigh-temperature and-pressure of 200 DEG C, 140MPa, in kind normal without deformation, sealing.
Description
Technical field
The utility model belong to application built in neutron source radiation carried out oil pipe production logging field, and in particular to one kind in
Put neutron source and source bin device.
Background technology
A kind of oil field production logging needs logger to be placed in oil pipe to log well, by the saturated brine outside down-hole oil tube, oil,
The interface level measurement of gas comes out, and carries out the change up to the time supervision underground gas-liquid interface of several days.
It is anti-that neutron source can penetrate tool housing, oily liquid in pipe, oil pipe shell and each seed nucleus of material generation outside oil pipe
Should.The difference of the outer material of oil pipe so that certain source away from logger thermal-neutron detector detected by thermal neutron counting rate
Curve is different, according to thermal neutron count rate curve, can reflect the characteristic of the outer material of oil pipe indirectly.Three kinds of materials of water, oil, gas
In two kinds of elements being had a great influence to thermal neutron count rate curve attenuation change be protium and chlorine element.Protium and neutron
Quality is suitable, and compared to other common elements, protium can lower the speed for the fast neutron that neutron source is launched,
It is changed into thermal neutron；Chlorine element is very big to the capture cross-section of thermal neutron, compared to other common elements so that thermal neutron counting rate is bent
Line attenuation is very fast.Learnt by theory and practice, it is significantly poor that influence of the saturated salt water, oil, gas to thermal neutron count rate curve has
Not, during saturated brine thermal neutron count rate curve numerical value it is minimum, it is oily take second place, gas highest, by downhole probe record certain source away from
Thermal neutron count rate curve, the stationary interface depth survey of the saturated salt water, oil, gas outside oil pipe can be come out.Because will
Oil pipe long-time radioactive logging was carried out, has particular/special requirement to neutron source and source bin device, it is desirable to which source storehouse external diameter crosses oil pipe, interior
It is portion's sealing, high temperature high voltage resistant, corrosion-resistant；Neutron source small volume built in it is required that, heat resisting and pressure resisting, corrosion-resistant, handling are quick etc..Cause
This, we require according to engineering technology, devise built-in neutron source and source bin device.
Utility model content
In view of this, main purpose of the present utility model, which is that, provides a kind of built-in neutron source and source bin device.
In order to solve the above problems, the utility model provides a kind of built-in neutron source and source bin device, including neutron source
With source bin device, the neutron source carries out screw thread company by using the source screw of grabbing that long handle grabs source bar and is arranged on neutron source bottom
Connect, neutron source is quickly put into the source storehouse set on the bin device of source.
Further, the neutron source includes being oriented to six square bars, capsul, active region, the first spanner groove and grabs source spiral shell
Hole, the inside of the capsul is active region, and the top of capsul, which is provided with, is oriented to six square bars, and the first spanner groove is arranged on sealing
The bottom outside of shell, the bottom grabbed source screw and be arranged on capsul.
Further, the source bin device includes source storehouse, is provided with seal casinghousing on the outside of the source storehouse, under the source storehouse
Portion is the source storehouse cylinder box being wholely set with source storehouse, and its top is six side's positioning holes, and the top of the six sides positioning hole is blocked up with upper
Head is fixed, and lower end and the lower back taper plug of the source storehouse cylinder box are fixed.
Further, the upper end of the seal casinghousing sets active storehouse cylinder pin thread, and the source storehouse cylinder pin thread on upper plug head with setting
The upper plug head box connection put, the second spanner groove is provided with the outside of the bottom of the source storehouse cylinder pin thread, seal casinghousing.
Further, the junction of the source storehouse cylinder pin thread and upper plug head box is provided with the first sealing ring, and this is first close
Seal is fixed at the cylinder seal groove of source storehouse, and the source storehouse cylinder seal groove is arranged on the bottom of source storehouse cylinder pin thread, and with source storehouse
Cylinder pin thread is adjacent.
Further, lower back taper plug pin thread, lower back taper plug pin thread and source storehouse cylinder are provided with the lower back taper plug
Box connects.
Further, the linkage section of the lower back taper plug pin thread and source storehouse cylinder box is provided with the second sealing ring, and this
Two sealing rings are fixed in lower back taper plug seal groove, and the lower back taper plug seal groove is arranged on lower back taper plug pin thread
Bottom, it is adjacent with lower back taper plug pin thread.
Further, bullet is fixed in the damping that is internally provided with of the lower back taper plug pin thread and the linkage section of source storehouse cylinder box
Spring.
Further, the bottom of the lower back taper plug is the outer hexahedron of the lower back taper plug being wholely set.
Further, it is provided with position adjustment hole on the outer hexahedron of the lower back taper plug.
The beneficial effects of the utility model are：Neutron source radiation built in the utility model application carried out oil pipe production logging
In, and in particular to a kind of built-in neutron source and source bin device, the external diameter of source bin device is 43mm, less than pipe aperture, source storehouse dress
Put and be connected on logger bottom, coordinate with minor diameter radioactive logging instrument, realize that one kind crosses oil pipe production logging technology, it is built-in
Neutron source small volume, in light weight, heat resisting and pressure resisting is high, can be built in the bin device of source, realizes that multi-layer sealed and neutron source is non-maintaining.
Using six square bars of guiding and hexagonal hole positioning between neutron source and source bin device.Design and produce in matched special handling
Component instrument.Realize and quick despatch is carried out to neutron source over 1.2 meters.Built-in neutron source and source bin device by 200 DEG C,
140MPa superhigh-temperature and-pressure is examined, in kind normal without deformation, sealing.
Brief description of the drawings
For ease of explanation, the utility model is described in detail by following specific implementations and accompanying drawing.
Fig. 1 be it is of the present utility model in built-in neutron source structural representation；
Fig. 2 is the structural representation of middle source bin device of the present utility model.
Wherein, the title of all parts and mark are as follows：
In Fig. 1,100- is oriented to six square bars；101- capsuls；102- active regions；103- the first spanner grooves；104- grabs source spiral shell
Hole.
In Fig. 2,1- upper plug head pin threads；2- upper plug head seal grooves；3- spanner grooves；4- upper plug head boxes；5- sources storehouse cylinder is public
Button；6- sources storehouse cylinder seal groove；7- the second spanner grooves；The side's positioning holes of 8- six；9- sources storehouse；10- sources storehouse cylinder box；Back taper under 11-
Plug pin thread；Back taper plug seal groove under 12-；The outer hexahedron of back taper plug under 13-；14- position adjustment holes；15- dampings are consolidated
Determine spring.
Embodiment
The utility model is described in detail below in conjunction with accompanying drawing and specific embodiment, herein signal of the present utility model
Property embodiment and explanation be used for explaining the utility model, but be not intended as to restriction of the present utility model.
The utility model provides a kind of built-in neutron source and source bin device, including neutron source and source bin device, in described
Component carries out screwed connection by using the source screw 105 of grabbing that long handle grabs source bar and is arranged on neutron source bottom, and neutron source is fast
Speed is put into the source storehouse 9 set on the bin device of source.
The neutron source includes being oriented to six square bars 100, capsul 101, active region 102, the first spanner groove 103 and grabs source
Screw 104, the inside of the capsul 101 is active region 102, and the top of capsul 102, which is provided with, is oriented to six square bars 100, the
One spanner groove 103 is arranged on the bottom outside of capsul 101, the bottom grabbed source screw 105 and be arranged on capsul 101.
The source bin device includes source storehouse 9, and the outside in the source storehouse 9 is provided with seal casinghousing, the bottom in the source storehouse 9 be with
The source storehouse cylinder box 10 that source storehouse is wholely set, its top are six side's positioning holes 8, the top of the six sides positioning hole 8 and upper plug head
Fixed, lower end and the lower back taper plug of the source storehouse cylinder box 10 are fixed.The upper end of the seal casinghousing sets active storehouse cylinder public
Button 5, the source storehouse cylinder pin thread 5 is connected with the upper plug head box 4 set on upper plug head, the bottom of the source storehouse cylinder pin thread 5, capsul
The second spanner groove 7 is provided with the outside of body.The junction of the source storehouse cylinder pin thread 5 and upper plug head box 4 is provided with the first sealing
Circle, first sealing ring are fixed at source storehouse cylinder seal groove 6, and the source storehouse cylinder seal groove 6 is arranged on source storehouse cylinder pin thread 5
Bottom, and it is adjacent with source storehouse cylinder pin thread 5.Lower back taper plug pin thread 11 is provided with the lower back taper plug, lower back taper plug is public
Button 11 is connected with source storehouse cylinder box 10.It is close that the linkage section of the lower back taper plug pin thread 11 and source storehouse cylinder box 10 is provided with second
Seal, second sealing ring are fixed in lower back taper plug seal groove 12, and the lower back taper plug seal groove 12 is arranged on
The bottom of lower back taper plug pin thread 11, it is adjacent with lower back taper plug pin thread 11.The lower back taper plug pin thread 11 is female with source storehouse cylinder
The linkage section of button 10 is internally provided with damping fixed spring 15.The bottom of the lower back taper plug is the lower back taper being wholely set
The outer hexahedron 13 of plug.Position adjustment hole 14 is provided with the outer hexahedron 13 of the lower back taper plug.
Handling neutron source, which is taken, to be horizontally mounted.
Loading of source process：
By the upper plug head seal groove 2 in suitable sealing ring load map 2, source storehouse cylinder seal groove and close lower back taper plug
Seal groove 12.Logger is placed horizontally on instrument support, and upper plug head pin thread 1 connects logger bottom box in Fig. 2, upper stifled
Head box 4 connects source storehouse cylinder pin thread 5, makes source bin device positive fixed on the second spanner groove 7 of the positive fork of long handle spanner in fig. 2.
Neutron carrying shield is moved near the cylinder of source storehouse, opens carrying shield lid, grab source bar using long handle carries out silk with the source screw 104 of grabbing in Fig. 1
Button connection, neutron source is proposed and is quickly put into the storehouse of source from carrying shield.It is oriented to six square bars 100 in Fig. 1 to play the role of positioning, long handle is grabbed
After neutron source is put into source storehouse cylinder by source bar, reverse back-off operation is carried out, the side 100 of guiding six in Fig. 1 is easily entered in Fig. 2
Realize neutron source in six side's positioning holes 8 and position.Continue reverse rotation long handle and grab source bar, you can long handle is grabbed into source bar and neutron source
Depart from and take out.Hexahedron 13 outside Fig. 2 lower back taper plug is put into the square socket of long handle six, by the square socket of long handle six by under
Lower back taper plug pin thread 11 in Fig. 2 carries out screwed connection with source storehouse cylinder box 10, until tightening.Bullet is fixed in damping in Fig. 2
Spring can play a part of fixed and damping to the neutron source in the cylinder of source storehouse.The square socket of long handle six and long handle spanner are removed, entirely
Installation process finishes.
Unload source procedure：
Logger is placed horizontally on support.The position adjustment hole 14 in Fig. 2 is caught on using long handle pull bar, carries out source storehouse
The position of device and orientation adjustment, long handle spanner reversely make source bin device reversely fix on the second spanner groove 7 of fork in fig. 2,
The square socket of long handle six is enclosed on outside Fig. 2 lower back taper plug on hexahedron 13, reversely rotated, by lower back taper plug from the cylinder of source storehouse
Unload.Long handle is grabbed into the source screw 104 of grabbing that source bar stretched into the cylinder of source storehouse with Fig. 1 and carries out screwed connection, it is simultaneously quick to take out neutron source
Carrying shield is put into, long handle is unloaded and grabs source bar, close carrying shield lid, entirely unload source procedure and finish.
The utility model technology solves following technical problem
1st, the external diameter of source bin device is 43mm, less than pipe aperture.Source bin device is connected on logger bottom, with minor diameter
Radioactive logging instrument coordinates, and realizes that one kind crosses oil pipe production logging technology.Built-in neutron source can be laid inside the bin device of source simultaneously
Realize inner sealing.Source bin device Seal Design is made up of two pass " O " type sealing ring and outer barrel, can reach 200 DEG C, 140MPa
Without deformation under environment.Material object is made by design, is examined by 200 DEG C, 140MPa superhigh-temperature and-pressure, material object is close without deformation
Envelope is normal.
2nd, built-in neutron source small volume, in light weight, heat resisting and pressure resisting index height, can be built in specific source bin device, real
It is existing multi-layer sealed.The Seal Design of neutron source body is made up of interior involucrum and outer envelope, can reach 200 DEG C, 140MPa environment
Lower no deformation.Simulation neutron source is made by design, is examined by 200 DEG C, 140MPa superhigh-temperature and-pressure, it is in kind without deformation,
Sealing is normal.
3rd, built-in neutron source carries out sealing protection due to active bin device, and during normal construction, built-in neutron source is not by external pressure
Power is oppressed, and is not corroded by borehole fluid so that the use of neutron source is more safe and reliable.In addition, do not needed in neutron source
The part closely safeguarded, avoid operating personnel's close contact neutron source and by stronger radioactive radiation.
4th, matched special handling neutron source instrument has been designed and produced.Source bar, long handle are grabbed including long handle spanner, long handle
Six square sockets, long handle pull bar etc..
5th, the structure of built-in neutron source is formed by being oriented to six square bars, capsul, grabbing source screw etc.；Source bin device is by upper stifled
Head, source storehouse cylinder, lower back taper plug three parts composition.Built-in neutron source is using between the hexagonal hole being oriented in six square bars and source storehouse cylinder
It is fixed on the positioning.Handling neutron source, which is taken, to be horizontally mounted, can be over 1.2 meters using in special handling neutron source instrument pair
Component carries out quick despatch.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above, one's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model, the utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (8)
1. a kind of built-in neutron source and source bin device, it is characterised in that including neutron source and source bin device, the neutron source passes through
Screwed connection is carried out using the source screw of grabbing that long handle grabs source bar and is arranged on neutron source bottom, neutron source is quickly put into source storehouse dress
Put in the source storehouse of setting,
The neutron source includes being oriented to six square bars, capsul, active region, the first spanner groove and grabs source screw, the capsul
Inside be active region, the top of capsul, which is provided with, is oriented to six square bars, and the first spanner groove is arranged on the bottom outside of capsul,
The bottom grabbed source screw and be arranged on capsul,
The source bin device includes source storehouse, and seal casinghousing is provided with the outside of the source storehouse, and the bottom in the source storehouse is and source storehouse one
The source storehouse cylinder box that body is set, its top is six side's positioning holes, and the top of the six sides positioning hole is fixed with upper plug head, the source
The lower end of storehouse cylinder box is fixed with lower back taper plug.
2. built-in neutron source according to claim 1 and source bin device, it is characterised in that the upper end of the seal casinghousing is set
Source storehouse cylinder pin thread is equipped with, the source storehouse cylinder pin thread is connected with the upper plug head box set on upper plug head, under the source storehouse cylinder pin thread
The second spanner groove is provided with the outside of portion, seal casinghousing.
3. built-in neutron source according to claim 2 and source bin device, it is characterised in that the source storehouse cylinder pin thread blocks up with upper
The junction of head box is provided with the first sealing ring, and first sealing ring is fixed at the cylinder seal groove of source storehouse, source storehouse cylinder
Seal groove is arranged on the bottom of source storehouse cylinder pin thread, and adjacent with source storehouse cylinder pin thread.
4. built-in neutron source according to claim 1 and source bin device, it is characterised in that set on the lower back taper plug
There is lower back taper plug pin thread, lower back taper plug pin thread is connected with source storehouse cylinder box.
5. built-in neutron source according to claim 4 and source bin device, it is characterised in that the lower back taper plug pin thread with
The linkage section of source storehouse cylinder box is provided with the second sealing ring, and second sealing ring is fixed in lower back taper plug seal groove, institute
The bottom that lower back taper plug seal groove is arranged on lower back taper plug pin thread is stated, it is adjacent with lower back taper plug pin thread.
6. built-in neutron source according to claim 4 and source bin device, it is characterised in that the lower back taper plug pin thread with
The linkage section of source storehouse cylinder box is internally provided with damping fixed spring.
7. built-in neutron source according to claim 1 and source bin device, it is characterised in that the bottom of the lower back taper plug
It is the outer hexahedron of the lower back taper plug being wholely set.
8. built-in neutron source according to claim 7 and source bin device, it is characterised in that outer six sides of the lower back taper plug
Position adjustment hole is provided with body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720795403.9U CN207144935U (en) | 2017-07-04 | 2017-07-04 | A kind of built-in neutron source and source bin device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720795403.9U CN207144935U (en) | 2017-07-04 | 2017-07-04 | A kind of built-in neutron source and source bin device |
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| CN207144935U true CN207144935U (en) | 2018-03-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112459768A (en) * | 2020-11-02 | 2021-03-09 | 中国石油天然气股份有限公司 | Storage device for radioactive source while drilling |
-
2017
- 2017-07-04 CN CN201720795403.9U patent/CN207144935U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112459768A (en) * | 2020-11-02 | 2021-03-09 | 中国石油天然气股份有限公司 | Storage device for radioactive source while drilling |
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