CN205301605U - Discernment production logging instrument gets into device of lubricator - Google Patents
Discernment production logging instrument gets into device of lubricator Download PDFInfo
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- CN205301605U CN205301605U CN201520989844.3U CN201520989844U CN205301605U CN 205301605 U CN205301605 U CN 205301605U CN 201520989844 U CN201520989844 U CN 201520989844U CN 205301605 U CN205301605 U CN 205301605U
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- lubricator
- micro
- production logging
- logging instrument
- induction coil
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Abstract
The utility model discloses a discernment production logging instrument gets into device of lubricator, include: induction coil, little current detection switch, audible -visual annunciator. Respond to through induction coil the production logging instrument gets into the magnetic variation that produces during the lubricator, then detect the induced -current who arouses by the magnetic variation through little current detection switch to arousing its switch closure to make audible -visual annunciator report to the police, can whether getting into the lubricator by accurate discernment instrument, the field usage is extremely convenient. And the device sensitivity is high, stability is good, the practicality is strong, even if the production logging instrument with extremely low speed through just triggering the warning, the instrument that can effectively avoid the erroneous judgement the to cause well risk that falls.
Description
Technical field
The application relates to oil field production logging technical field with pressure, particularly relates to a kind of device identifying that production logging instrument enters lubricator.
Background technology
In water injection well in oil fields dynamic monitoring, water uptake section well logging is a kind of technological means extensively carried out.
This technology needs to install lubricator at well head, by logger by lubricator G.I.H interval of interest admission data.
After having tested, it is necessary to instrument is risen in lubricator. Owing in lubricator, pressure is higher and logger is relatively valuable, so it is most important to judge whether instrument enters lubricator.
At present in conventional well is tested, mainly by artificially judging whether instrument enters lubricator, and some uses in the well logging project of expensive instrument, adopt the catcher of frame for movement, it is arranged between lubricator and lubricator, there is cost height, install and safeguard inconvenience, the shortcoming that life-time service reliability reduces.
Utility model content
For above-mentioned technical problem, this utility model provides a kind of device identifying that production logging instrument enters lubricator.
For solving above-mentioned technical problem, this utility model provides a kind of device identifying that production logging instrument enters lubricator, including: induction coil, micro-current detection switch, audible-visual annunciator;
Described induction coil is wrapped on described lubricator pipe nipple, for sensing the changes of magnetic field produced when described production logging instrument enters described lubricator;
Described micro-current detection switch is connected to the two ends of described induction coil, for detecting the faradic current that described changes of magnetic field causes, and exciting switch Guan Bi;
Described audible-visual annunciator is connected to the two ends of described micro-current detection switch, after closing when described micro-current detection switch, carries out sound and light alarm, in order to warn described production logging instrument to have been enter into lubricator.
Preferably, described micro-current detection switch includes micro-amperometric and Micro-touch switch;
Described micro-amperometric connects the two ends of described induction coil, for detecting the faradic current that changes of magnetic field causes, and excites described Micro-touch switch to close.
Preferably, described audible-visual annunciator also includes: warning circuit, light emitting diode, speaker;
Described warning circuit is connected to described Micro-touch switch two ends;
Described light emitting diode, described speaker are connected in described warning circuit;
After described Micro-touch switch closes, carry out luminous alarm by described light emitting diode, and audible alarm can be carried out by described speaker.
Preferably, described audible-visual annunciator adopts battery to power.
Preferably, described induction coil is wrapped on described lubricator pipe nipple according to same winding direction.
By one or more technical scheme of the present utility model, this utility model has the advantages that or advantage:
This utility model provides a kind of device identifying that production logging instrument enters lubricator, including: induction coil, micro-current detection switch, audible-visual annunciator. The changes of magnetic field produced when described production logging instrument enters described lubricator is sensed by induction coil, then pass through micro-current detection switch and detect the faradic current caused by changes of magnetic field, and excite its switch Guan Bi to promote audible-visual annunciator to report to the police, can accurately identifying whether instrument enters lubricator, onsite application is extremely convenient. And this device sensitivity height, good stability, practical, even if production logging instrument with extremely low speed by just warning can be triggered, the instrument that erroneous judgement causes can be prevented effectively from and fall well risk.
Further, compared with the catcher of traditional frame for movement, this utility model only includes induction coil, micro-current detection switch, audible-visual annunciator, compact, in-site installation is easy to use, it is not necessary to frame for movement is connected in lubricator, reduces security risk.
Further, in signal processing, system adopts micro-current detection switch, substitute traditional signal processing circuit, without power supply and electronic devices and components, having the feature of simple in construction, dependable performance, micro-current detection switch is core component of the present utility model is also maximum bright spot.
Further, device of the present utility model adopts sound and light alarm to combine, and carries on construction work at night safer.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation identifying that production logging instrument enters the device of lubricator in this utility model embodiment.
Description of reference numerals: induction coil 1, micro-amperometric 2, Micro-touch switch 3, warning circuit 4, light emitting diode 5, speaker 6.
Detailed description of the invention
Device of the present utility model is with the law of electromagnetic induction for theoretical foundation, utilize the feature having magnet steel in production logging instrument in magnetic orientation pipe nipple, changes of magnetic field when closing coil is set at lubricator pipe nipple place to sense production logging instrument by lubricator, then pass through micro-current detection switch triggering sound light alarming circuit to report to the police, it is achieved identification instrument enters the function of lubricator.
In order to make the application the technical staff in the technical field be more clearly understood that the application, below in conjunction with accompanying drawing, by specific embodiment, technical scheme is described in detail.
Refer to Fig. 1, package unit of the present utility model includes induction coil 1, micro-current detection switch, audible-visual annunciator three part composition, and wherein induction coil 1 is made up of the wire being wrapped on lubricator pipe nipple; Micro-current detection switch is made up of micro-amperometric 2 and Micro-touch switch 3, it is possible to realize the function of micro-current detecting and switch motion; Audible-visual annunciator includes warning circuit, light emitting diode and speaker, it may be achieved sound and light of alarm, and audible-visual annunciator have employed No. 5 batteries of 2 joint and powers, and has the characteristic of super low-power consumption.
Introduce identification production logging instrument of the present utility model in detail below and enter the device of lubricator.
This device mainly includes three parts: induction coil 1, micro-current detection switch, audible-visual annunciator.
Described induction coil 1 is wrapped on described lubricator pipe nipple, specifically can be wrapped on described lubricator pipe nipple according to same winding direction.
So induction coil 1 of design, main effect is used to sense the changes of magnetic field produced when described production logging instrument enters described lubricator. Specifically, owing to production logging instrument having magnet steel in magnetic orientation pipe nipple, after lubricator pipe nipple place arranges closing coil, production logging instrument is by after lubricator, interaction by magnet steel and induction coil 1 so that changes of magnetic field when induction coil 1 can sense production logging instrument by lubricator.
Described micro-current detection switch is connected to the two ends of described induction coil 1, for detecting the faradic current that described changes of magnetic field causes, and exciting switch Guan Bi.
Specifically, described micro-current detection switch includes micro-amperometric 2 and Micro-touch switch 3; Described micro-amperometric 2 connects the two ends of described induction coil 1, for detecting the faradic current that changes of magnetic field causes, and excites described Micro-touch switch 3 to close.
Described audible-visual annunciator is connected to the two ends of described micro-current detection switch, after closing when described micro-current detection switch, carries out sound and light alarm, in order to warn described production logging instrument to have been enter into lubricator.
In actual applications, described audible-visual annunciator adopts battery to power. Such as audible-visual annunciator have employed No. 5 batteries of 2 joint and powers, and has the characteristic of super low-power consumption.
Specifically, described audible-visual annunciator also includes: warning circuit 4, light emitting diode 5, speaker 6;
Described warning circuit 4 is connected to described Micro-touch switch 3 two ends;
Described light emitting diode 5, described speaker 6 are connected in described warning circuit 4;
After described Micro-touch switch 3 closes, carry out luminous alarm by described light emitting diode 5, and audible alarm can be carried out by described speaker 6.
As it is shown in figure 1, this utility model enters the moment of lubricator at production logging instrument, just can carry out sound and light alarm prompting, after instrument being pulled completely into lubricator with winch or manpower, production tree test strobe can be closed.
In site operation, owing to there is magnet steel in logger magnetic orientation pipe nipple and being positioned at instrument string upper end, when instrument is by induction coil 1, in coil, magnetic field changes, and produces faradic current in coil; Detected faradic current by micro-amperometric 2 and excite Micro-touch switch 3 to make warning circuit 4 work, light emitting diode 5 and speaker 6 sending sound and light alarm, it is achieved identification instrument comes into the function of lubricator. The feature that this device has simple in construction, highly reliable, cost is low, easy to maintenance, it is possible to accurately judge whether instrument enters lubricator, it is to avoid fall well accident because judging the instrument that causes by accident.
Additionally, this device is applied widely, can be used for any instrument with magnetic orientation. In well testing pressure measurement, read-only test, it is only necessary to connect magnet steel on piezometer, just can be applicable in the identification whether well testing manometer enters lubricator, have a extensive future.
By one or more embodiment of the present utility model, this utility model has the advantages that or advantage:
This utility model provides a kind of device identifying that production logging instrument enters lubricator, including: induction coil, micro-current detection switch, audible-visual annunciator. The changes of magnetic field produced when described production logging instrument enters described lubricator is sensed by induction coil, then pass through micro-current detection switch and detect the faradic current caused by changes of magnetic field, and excite its switch Guan Bi to promote audible-visual annunciator to report to the police, can accurately identifying whether instrument enters lubricator, onsite application is extremely convenient. And this device sensitivity height, good stability, practical, even if production logging instrument with extremely low speed by just warning can be triggered, the instrument that erroneous judgement causes can be prevented effectively from and fall well risk.
Further, compared with the catcher of traditional frame for movement, this utility model only includes induction coil, micro-current detection switch, audible-visual annunciator, compact, in-site installation is easy to use, it is not necessary to frame for movement is connected in lubricator, reduces security risk.
Further, in signal processing, system adopts micro-current detection switch, substitute traditional signal processing circuit, without power supply and electronic devices and components, having the feature of simple in construction, dependable performance, micro-current detection switch is core component of the present utility model is also maximum bright spot.
Further, device of the present utility model adopts sound and light alarm to combine, and carries on construction work at night safer.
Although having been described for the preferred embodiment of the application, but one of ordinary skilled in the art is once know basic creative concept, then these embodiments can be made other change and amendment. So, claims are intended to be construed to include preferred embodiment and fall into all changes and the amendment of the application scope.
Obviously, the application can be carried out various change and modification without deviating from spirit and scope by those skilled in the art. So, if these amendments of the application and modification belong within the scope of the application claim and equivalent technologies thereof, then the application is also intended to comprise these change and modification.
Claims (5)
1. one kind identifies that production logging instrument enters the device of lubricator, it is characterised in that including: induction coil, micro-current detection switch, audible-visual annunciator;
Described induction coil is wrapped on described lubricator pipe nipple, for sensing the changes of magnetic field produced when described production logging instrument enters described lubricator;
Described micro-current detection switch is connected to the two ends of described induction coil, for detecting the faradic current that described changes of magnetic field causes, and exciting switch Guan Bi;
Described audible-visual annunciator is connected to the two ends of described micro-current detection switch, after closing when described micro-current detection switch, carries out sound and light alarm, in order to warn described production logging instrument to have been enter into lubricator.
2. a kind of device identifying that production logging instrument enters lubricator as claimed in claim 1, it is characterised in that described micro-current detection switch includes micro-amperometric and Micro-touch switch;
Described micro-amperometric connects the two ends of described induction coil, for detecting the faradic current that changes of magnetic field causes, and excites described Micro-touch switch to close.
3. a kind of device identifying that production logging instrument enters lubricator as claimed in claim 2, it is characterised in that described audible-visual annunciator also includes: warning circuit, light emitting diode, speaker;
Described warning circuit is connected to described Micro-touch switch two ends;
Described light emitting diode, described speaker are connected in described warning circuit;
After described Micro-touch switch closes, carry out luminous alarm by described light emitting diode, and audible alarm can be carried out by described speaker.
4. a kind of device identifying that production logging instrument enters lubricator as claimed in claim 1, it is characterised in that described audible-visual annunciator adopts battery to power.
5. a kind of device identifying that production logging instrument enters lubricator as claimed in claim 1, it is characterised in that described induction coil is wrapped on described lubricator pipe nipple according to same winding direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520989844.3U CN205301605U (en) | 2015-12-02 | 2015-12-02 | Discernment production logging instrument gets into device of lubricator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520989844.3U CN205301605U (en) | 2015-12-02 | 2015-12-02 | Discernment production logging instrument gets into device of lubricator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205301605U true CN205301605U (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520989844.3U Active CN205301605U (en) | 2015-12-02 | 2015-12-02 | Discernment production logging instrument gets into device of lubricator |
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| CN (1) | CN205301605U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403923A (en) * | 2015-12-02 | 2016-03-16 | 中国石油天然气股份有限公司 | Apparatus for identifying entrance of production logging instrument into lubricator |
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2015
- 2015-12-02 CN CN201520989844.3U patent/CN205301605U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403923A (en) * | 2015-12-02 | 2016-03-16 | 中国石油天然气股份有限公司 | Apparatus for identifying entrance of production logging instrument into lubricator |
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| GR01 | Patent grant |