CN203847096U - High-temperature slim-hole inclined azimuth logging instrument - Google Patents
High-temperature slim-hole inclined azimuth logging instrument Download PDFInfo
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- CN203847096U CN203847096U CN201320869652.XU CN201320869652U CN203847096U CN 203847096 U CN203847096 U CN 203847096U CN 201320869652 U CN201320869652 U CN 201320869652U CN 203847096 U CN203847096 U CN 203847096U
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- logging instrument
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- bottle
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Abstract
The utility model relates to the technical field of logging equipment, in particular to a high-temperature slim-hole inclined azimuth logging instrument which comprises a shell. The shell comprises an upper shell and a lower shell which are connected through a joint, a sealing device is arranged at a position where the upper shell is connected with the lower shell, a thermos component is arranged in the lower shell, and a logging device for collecting and processing well inclined azimuth data according to an instruction of a ground system and sending the well inclined azimuth data to the ground system is arranged in the thermos component. Maximum outer diameter of the shell is not larger than 76mm, so that the logging instrument is enabled to be suitable for logging slim-hole wells; the logging device is mounted inside the thermos component, so that size of the logging instrument is reduced, length of the logging instrument is reduced, high-temperature resistance of the logging instrument is improved, and logging time effect of the logging instrument is improved.
Description
Technical field
The utility model relates to logging equipment technical field, relates in particular to a kind of high temperature slim-hole hole deviation orientation logging instrument.
Background technology
Current, oil company's drilling depth is more and more darker, the borehole diameter of boring more and more less, hole condition becomes increasingly complex, the diameter that therefore requires logger also along with reducing, pliability strengthens.But, the direction of deflection instrument major part of domestic conventional well logging use is all the instrument of the measurement well trend based on the rich property accelerometer of quartz and fluxgate design, the logging system that these direction of deflection instrument articulate is different, data transfer mode is also different, but basic operating principle is identical: accelerometer and six analog signals of fluxgate output are Jing Liu road filter circuit respectively, enters multi-channel sampling switch circuit.Multi-channel sampling switch carries out gating according to the address code being produced by CPU to six signals, and output serial signal is to A/D change-over circuit.CPU provides the start address of clock and conversion to A/D converter, and the data after converting are processed by CPU and reached ground system by remote measurement pipe nipple.Such drift azimuth logging instrument adopts the integrated components and parts of middle and small scale in a large number, device is used many and volume is large, it packs partial circuit in metal heat insulation bottle into, and then be sealed in a metal bearing shell, other circuit cannot be encapsulated in and in metal heat insulation bottle, realize high temperature protection function; And, have+12 volts of power supplys of the power supply of existing drift azimuth logging instrument ,-12 volts of power supplys, its power consumption is large, causes a bottle interior temperature to raise fast.
Two problems that above prior art exists, have affected the resistance to elevated temperatures of drift azimuth logging instrument.Existing well logging apparatus, because size is larger, cannot meet the on-the-spot needs that present bored borehole diameter is more and more less, hole condition becomes increasingly complex simultaneously.
Utility model content
The purpose of this utility model is to propose a kind of high temperature slim-hole hole deviation orientation logging instrument, and it is low in energy consumption, and circuit module height is integrated, and temperature performance is high, and volume is little, and tool length is short, and can measure the less well of diameter.
For reaching this object, the utility model by the following technical solutions:
A high temperature slim-hole hole deviation orientation logging instrument, comprises housing, and wherein, described housing comprises upper shell and lower house, connect, and both junctions is also provided with sealing device between described upper shell and lower house by joint;
In described lower house, be provided with vacuum flask assembly, the instruction that is provided with base area plane system in described vacuum flask assembly is carried out collection and the processing of direction of deflection data and described direction of deflection data is sent to the well logging apparatus of ground system;
The maximum outside diameter of described housing is not more than 76mm.
As a kind of preferred version of above-mentioned high temperature slim-hole hole deviation orientation logging instrument, described well logging apparatus comprises acceleration of gravity meter, the fluxgate being integrated on circuit board, and the acquisition processing module that connects acceleration of gravity meter and fluxgate.
As a kind of preferred version of above-mentioned high temperature slim-hole hole deviation orientation logging instrument, described housing maximum outside diameter is 76mm.
A kind of preferred version as above-mentioned high temperature slim-hole hole deviation orientation logging instrument, described vacuum flask assembly comprises bottle, be separately positioned on bottle top connection and the bottle lower contact at bottle two ends, be arranged on the heat sink of bottle inside, and provide the power module of power supply for well logging apparatus;
Described vacuum flask assembly is connected with lower house with bottle lower contact by bottle top connection.
As a kind of preferred version of above-mentioned high temperature slim-hole hole deviation orientation logging instrument, the junction of described vacuum flask assembly and lower house is provided with sealing device.
As a kind of preferred version of above-mentioned high temperature slim-hole hole deviation orientation logging instrument, described sealing device is O-ring seal.
As a kind of preferred version of above-mentioned high temperature slim-hole hole deviation orientation logging instrument, integrated being provided with for measuring the temperature pick up of vacuum flask component internal temperature also on described circuit board.
As a kind of preferred version of above-mentioned high temperature slim-hole hole deviation orientation logging instrument, one end of described housing is provided with helmet, and one end is provided with plug.
As a kind of preferred version of above-mentioned high temperature slim-hole hole deviation orientation logging instrument, the power supply that described power module provides for well logging apparatus is+5 volts of direct currents.
The beneficial effects of the utility model are: the application provides a kind of high temperature slim-hole hole deviation orientation logging instrument, and its housing maximum outside diameter is not more than 76mm, therefore can be applicable to slim hole well to measure.Well logging apparatus is placed in to dewar bottle component internal simultaneously, has therefore reduced the volume of logging instrument, shortened the tool length of logging instrument, thereby improved the resistance to elevated temperatures of logging instrument, and then strengthen the well logging timeliness of logging instrument.
Accompanying drawing explanation
Fig. 1 is the structural representation of high temperature slim-hole compensation neutron logger of the present utility model;
Fig. 2 is the structural representation of vacuum flask assembly of the present utility model.
Wherein:
1: housing; 2: upper shell; 3: lower house; 4: joint; 5: vacuum flask assembly; 6: well logging apparatus; 7: helmet; 8: plug;
51: bottle; 52: bottle top connection; 53: bottle lower contact; 54: heat sink.
The specific embodiment
Below in conjunction with accompanying drawing and by the specific embodiment, further illustrate the technical solution of the utility model.
As shown in Figure 1 and Figure 2, present embodiment provides a kind of high temperature slim-hole compensation neutron logger, and it is applicable to downhole parameters to measure, and is particularly useful for slim hole well to measure.
High temperature slim-hole hole deviation orientation logging instrument, comprises housing 1, and wherein, housing 1 comprises upper shell 2 and lower house 3, connect, and both junctions is also provided with sealing device between upper shell 2 and lower house 3 by joint 4.
In lower house 3, be provided with vacuum flask assembly 5, the instruction that is provided with base area plane system in vacuum flask assembly 5 is carried out collection and the processing of direction of deflection data and described direction of deflection data is sent to the well logging apparatus 6 of ground system.Well logging apparatus 6 is arranged in vacuum flask assembly 5, has effectively reduced the volume of drift azimuth logging instrument, shortened the tool length of drift azimuth logging instrument.
The maximum outside diameter of housing 1 is not more than 76mm, and as preferably, the maximum outside diameter of housing 1 is not more than 76mm.76mm defined herein is the diameter of housing 1 maximum outside diameter.Because the maximum outside diameter of housing 1 is not more than 76mm, make logging instrument more be applicable to the measurement of slimhole drilling.
Well logging apparatus 6 comprises acceleration of gravity meter, the fluxgate being integrated on circuit board, and the acquisition processing module that connects acceleration of gravity meter and fluxgate.
Present embodiment, by acceleration of gravity meter, gravitational field field intensity is measured, by fluxgate, down-hole magnetic field intensity is measured, then the gravitational field field intensity and the magnetic field intensity that measure are passed to acquisition processing module, after acquisition processing module is processed, pass to ground system, and then obtain direction of deflection data.In addition, integrated being provided with for measuring the temperature pick up of vacuum flask component internal temperature also on circuit board, thus, can control accurately to the temperature of vacuum flask component internal, improves the service behaviour of well logging apparatus.
It should be noted that, what well logging apparatus 6 all parts were integrated is arranged on circuit board, and circuit board is arranged in vacuum flask assembly 5, thereby make the circuit of the utility model enhancement mode drift azimuth logging instrument more integrated, so that the physical dimension of logging instrument can be less, in the utility model, the maximum outside diameter of shell 1 is φ 76mm, thereby makes logging instrument of the present utility model can adapt to the more casing programme of deep camber.
Need to illustrate, in present embodiment, the maximum outside diameter of the shell 1 of restriction is 76mm, is only preferred version, also can reduce as required the size of shell 1.
Vacuum flask assembly 5 comprises bottle 51, be separately positioned on bottle top connection 52 and the bottle lower contact 53 at bottle 51 two ends, be arranged on the heat sink 54 of bottle 51 inside, and for well logging apparatus provides the power module of power supply, vacuum flask assembly 5 is connected with lower house 3 with bottle lower contact 43 by bottle top connection 52.
In order to improve the thermal-insulating sealing performance of vacuum flask assembly 5, in vacuum flask assembly 5 and the junction of lower house 3, be provided with sealing device.
As preferably, above-mentioned sealing device is O-ring seal.
For convenient, logging instrument is lifted and interior instrument is protected, one end of housing 1 is provided with helmet 7, and the other end is provided with plug 8.
For further to reduce the power consumption of well logging apparatus, reduce the calorific value of well logging apparatus.The power supply that power module provides for well logging apparatus is+5 volts of direct currents.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection domain.Explanation based on herein, those skilled in the art does not need to pay performing creative labour can associate other specific embodiment of the present utility model, within these modes all will fall into protection domain of the present utility model.
Claims (9)
1. a high temperature slim-hole hole deviation orientation logging instrument, comprises housing, it is characterized in that, described housing comprises upper shell and lower house, connect, and both junctions is also provided with sealing device between described upper shell and lower house by joint;
In described lower house, be provided with vacuum flask assembly, the instruction that is provided with base area plane system in described vacuum flask assembly is carried out collection and the processing of direction of deflection data and described direction of deflection data is sent to the well logging apparatus of ground system;
The maximum outside diameter of described housing is not more than 76mm.
2. high temperature slim-hole hole deviation according to claim 1 orientation logging instrument, is characterized in that, described well logging apparatus comprises acceleration of gravity meter, the fluxgate being integrated on circuit board, and the acquisition processing module that connects acceleration of gravity meter and fluxgate.
3. high temperature slim-hole hole deviation according to claim 1 orientation logging instrument, is characterized in that, described housing maximum outside diameter is 76mm.
4. high temperature slim-hole hole deviation according to claim 1 orientation logging instrument, it is characterized in that, described vacuum flask assembly comprises bottle, be separately positioned on bottle top connection and the bottle lower contact at bottle two ends, be arranged on the heat sink of bottle inside, and provide the power module of power supply for well logging apparatus;
Described vacuum flask assembly is connected with lower house with bottle lower contact by bottle top connection.
5. high temperature slim-hole hole deviation according to claim 4 orientation logging instrument, is characterized in that, the junction of described vacuum flask assembly and lower house is provided with sealing device.
6. high temperature slim-hole hole deviation according to claim 5 orientation logging instrument, is characterized in that, described sealing device is O-ring seal.
7. high temperature slim-hole hole deviation according to claim 2 orientation logging instrument, is characterized in that, integrated being provided with for measuring the temperature pick up of vacuum flask component internal temperature also on described circuit board.
8. high temperature slim-hole hole deviation according to claim 1 orientation logging instrument, is characterized in that, one end of described housing is provided with helmet, and one end is provided with plug.
9. high temperature slim-hole hole deviation according to claim 4 orientation logging instrument, is characterized in that, the power supply that described power module provides for well logging apparatus is+5 volts of direct currents.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320869652.XU CN203847096U (en) | 2013-12-26 | 2013-12-26 | High-temperature slim-hole inclined azimuth logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320869652.XU CN203847096U (en) | 2013-12-26 | 2013-12-26 | High-temperature slim-hole inclined azimuth logging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203847096U true CN203847096U (en) | 2014-09-24 |
Family
ID=51560130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320869652.XU Expired - Fee Related CN203847096U (en) | 2013-12-26 | 2013-12-26 | High-temperature slim-hole inclined azimuth logging instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203847096U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545332A (en) * | 2015-09-22 | 2017-03-29 | 万瑞（北京）科技有限公司 | A kind of directional survey device and logging instrument |
| CN106609666A (en) * | 2015-10-27 | 2017-05-03 | 北京环鼎科技有限责任公司 | A metal heat insulation device for a logging instrument for small boreholes with high temperature and high pressure |
-
2013
- 2013-12-26 CN CN201320869652.XU patent/CN203847096U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545332A (en) * | 2015-09-22 | 2017-03-29 | 万瑞（北京）科技有限公司 | A kind of directional survey device and logging instrument |
| CN106609666A (en) * | 2015-10-27 | 2017-05-03 | 北京环鼎科技有限责任公司 | A metal heat insulation device for a logging instrument for small boreholes with high temperature and high pressure |
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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: 20140924 Termination date: 20181226 |