CN206928943U - A kind of temp measuring system for geothermal well - Google Patents
A kind of temp measuring system for geothermal well Download PDFInfo
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- CN206928943U CN206928943U CN201720497085.8U CN201720497085U CN206928943U CN 206928943 U CN206928943 U CN 206928943U CN 201720497085 U CN201720497085 U CN 201720497085U CN 206928943 U CN206928943 U CN 206928943U
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- preservation cylinder
- pipe nipple
- temp measuring
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Abstract
The utility model proposes a kind of temp measuring system for geothermal well, the temp measuring system includes closed heat-preservation cylinder, the circuit board being arranged in the inner chamber of heat-preservation cylinder, the thermometric pipe nipple support being fixedly connected with heat-preservation cylinder and the temperature sensor being arranged on thermometric pipe nipple support, wherein, temperature sensor is connected with circuit board, the temp measuring system can measure the temperature of the pit shaft of geothermal well well, and be particularly suitable for use in high-temperature geothermal well.
Description
Technical field
It the utility model is related to geothermal well thermometry field, and in particular to a kind of temp measuring system for geothermal well.
Background technology
People recognize the importance of resource exploitation and environmental protection coordinated development, clean energy resource and regenerative resource gradually
Utilization paid attention to.Underground heat as one kind cleaning, high efficient energy sources and be produced, by drilling technology, face is dug out under a subterranean formation
One hundreds of meters pump to the deep well of several kms, BADIRE water, are available for industrial generation, also are available for domestic hot water use.Ground
Heat be broadly divided into high temperature, in the gentle class of low temperature three, generally, formation temperature is high-temperature geothermal more than more than 150 DEG C, 90
DEG C~150 DEG C be medium temperature underground heat, be low temperature underground heat less than 90 DEG C, high temperature underground heat is generally used for industrial generation, low temperature underground heat
It is main that hot water service is provided.
In order to grasp drilling conditions and geothermal well development effectiveness, it is necessary to obtain geothermal well stratum temperature distribution situation in time.
Thus, it is desirable to the temp measuring system suitable for geothermal well is invented, to obtain the temperature conditions of the pit shaft of geothermal well.
Utility model content
For some or all of of the above-mentioned technical problem in the presence of prior art, the utility model proposes one kind
Temp measuring system for geothermal well.The temp measuring system can measure the temperature of pit shaft in trip-out process, have high temperature resistant, structure
The advantages that simple.
According to the utility model proposes a kind of temp measuring system for geothermal well, including：
Closed heat-preservation cylinder,
The circuit board being arranged in the inner chamber of heat-preservation cylinder,
The thermometric pipe nipple support being fixedly connected with heat-preservation cylinder,
The temperature sensor being arranged in the inner chamber of thermometric pipe nipple support,
Wherein, temperature sensor is connected with circuit board.
In one embodiment, thermometric pipe nipple support is cylindrical in shape and is arranged on the lower end of heat-preservation cylinder, and heat-preservation cylinder includes：
Heat-preservation cylinder main body with shed,
For blocking the heat insulating mattress of under shed,
Wherein, heat insulating mattress is fixedly connected with thermometric pipe nipple support.
In one embodiment, heat insulating mattress can be embedded into the inner chamber of heat-preservation cylinder main body, heat-preservation cylinder main body and thermometric pipe nipple
Support is threadedly coupled.
In one embodiment, heat-preservation cylinder main body and thermometric pipe nipple branch can be located at by being set on the outer wall of thermometric pipe nipple support
Sealing ring between frame.
In one embodiment, it is provided for supporting the bearing of circuit board in the inner chamber of heat-preservation cylinder, bearing is detachable
It is arranged on heat insulating mattress.
In one embodiment, bearing has the bottom plate that connection is contacted with heat insulating mattress, is arranged on bottom plate and is used for fixed electricity
The supporting plate of road plate, wherein, the cable-through hole being provided through on bottom plate and heat insulating mattress inside and outside heat-preservation cylinder.
In one embodiment, mounting hole is opened up on the wall of thermometric pipe nipple support, and stainless steel is set at mounting hole
Cover plate.
In one embodiment, Buffer Unit is fixedly installed in the lower end of thermometric pipe nipple support.
In one embodiment, there is Buffer Unit buffing pad and one end one end and thermometric pipe nipple support are connected with buffing pad
The spring of connection.
In one embodiment, the lower surface of buffing pad is configured to taper surface.
Compared with prior art, the utility model has the advantage of in this temp measuring system, circuit board is placed on closed
In heat-preservation cylinder, it make use of the heat-insulated effect of heat-preservation cylinder and the operating ambient temperature of circuit board is ensured its normal work than relatively low.
The temp measuring system of this structure, it can be lost before drilling tool trip-out in drilling tool water hole, near tripping in drill bit.In trip-out process
In, temp measuring system is moved up with drill bit, and the temperature data of pit shaft is perceived by temperature sensor, and temperature information is passed
It is sent in circuit board.After trip-out, temp measuring system is taken out, reads data.
Brief description of the drawings
Preferred embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, in figure：
Fig. 1 shows the temp measuring system according to one embodiment of the present utility model；
Accompanying drawing is not drawn according to the ratio of reality.
Embodiment
The utility model is described further below in conjunction with accompanying drawing.
Fig. 1 is shown according to the temp measuring system 50 of the present utility model for geothermal well.As shown in figure 1, temp measuring system 50
Including heat-preservation cylinder 110, circuit board 102, thermometric pipe nipple support 100 and temperature sensor 106.Wherein, heat-preservation cylinder 110 is closed appearance
Device, for the device within protection, from high temperature and reduce high temperature influence.Circuit board 102 is placed in heat-preservation cylinder 110,
For gathering and storing the signal from temperature sensor 106.Thermometric pipe nipple support 100 is fixedly connected with heat-preservation cylinder 110, is used for
Mounting temperature sensor 106.Temperature sensor 106 is used to perceive the temperature in pit shaft, and temperature information is converted into electric signal.
Circuit board 102 is connected with temperature sensor 106, to receive the electric signal of temperature sensor 106, and is carried out data acquisition and is deposited
Storage.
During geothermal well wellbore construction, when drilling tool prepares to pull out of hole, the temp measuring system 50 is lost into drilling tool water hole
It is interior, it is lowered on drill bit.In trip-out process, temp measuring system 50 moves up with drill bit, and is felt by temperature sensor 106
Know the temperature in pit shaft, temperature signal is converted into electric signal, then these temperature datas are stored in circuit board 102.Pull out of hole
After, temp measuring system 50 is taken out, data are read by circuit board 102 to obtain temperature in wellbore.Need not using the temp measuring system 50
After pulling out of hole, then the other temperature measuring equipments of tripping in just can measure temperature in wellbore, so as to wellbore construction efficiency high.In addition, the thermometric system
System 50 can move up with drill bit, then relative time of the temp measuring system 50 in pit shaft is shorter, be protected plus using heat-preservation cylinder 110
Protection circuit plate 102, so as to ensure the safety in utilization of circuit board 102, meanwhile, this structure and metering system also cause thermometric system
System 50 can apply the geothermal well when high temperature or even temperature are more than 200 DEG C.
In one embodiment, thermometric pipe nipple support 100 is cylindrical in shape and is arranged on the lower end of heat-preservation cylinder 110.Thermometric pipe nipple
Support 100 is fixedly connected with heat-preservation cylinder 110.More specifically, mounting hole 107 is opened up on the wall of thermometric pipe nipple support 100, and
Stainless steel cover plate 108 is set at mounting hole 107.Temperature sensor 106 is placed in the inner chamber of thermometric pipe nipple support 100.Survey
Warm pipe nipple support 100 can also be made up of heat conducting material such as stainless steel.By setting the thermometric pipe nipple support 100 can be with
Fixed and storage temperature sensor 106, simultaneously as being provided with mounting hole 107 and the grade part of stainless steel cover plate 108, can facilitate
Ground installs or removes temperature sensor 106, to reduce packaging technology.Further, since thermometric pipe nipple support 100 is by heat conducting material
It is made, then ensures the temperature that temperature sensor 106 can be outside the inner chamber of accurate measurement thermometric pipe nipple support 100.
In one embodiment, heat-preservation cylinder 110 includes heat-preservation cylinder main body 101 and heat insulating mattress 103.Wherein, heat-preservation cylinder main body
101 are cylindrical in shape, and have under shed.Heat insulating mattress 103 is fixedly installed on the upper surface of thermometric pipe nipple support 100, and for sealing
The under shed of stifled heat-preservation cylinder main body 101, to form the heat-preservation cylinder 110 of closing.In a preferred embodiment, heat insulating mattress 103
It can be embedded into the inner chamber of heat-preservation cylinder main body 101, it is, in installation process, heat-preservation cylinder main body 101 can be across heat insulating mattress
103 and extend, and be connected with thermometric pipe nipple support 100, for example, threaded connection.It is further preferred that in thermometric pipe nipple support
Sealing ring 104 is set between 100 and heat-preservation cylinder main body 101, to realize the closed of heat-preservation cylinder 110, prevents liquid from entering insulation
In the inner chamber of cylinder 110, the safety of protection circuit plate 102.The structure of above-mentioned heat-preservation cylinder 110 is simple, can be easily opened its inner chamber,
It will be taken out in circuit board 102 therein.
It is provided for supporting the bearing 111 of circuit board 102 in heat-preservation cylinder 110.Bearing 111 is detachable be arranged on it is heat-insulated
On pad 103.Specifically, bearing 111 has the bottom plate 112 that connection is contacted with heat insulating mattress 103 and is arranged on bottom plate 112 and is used for
The supporting plate 113 of fixing circuit board 102.It is provided through crossing line inside and outside heat-preservation cylinder 110 on bottom plate 112 and heat insulating mattress 103
Hole 105.Cable-through hole 105 can be used for connecting temperature sensor 106 and circuit board 102 connecting line 119 it is sealed pass through, with reality
The electrical connection of existing temperature sensor 106 and circuit board 102.
Buffer Unit 109 is fixedly installed in the lower end of thermometric pipe nipple support 100, for realizing that temp measuring system 50 enters brill
Buffering in head, ensure that temp measuring system 50 is not damaged by during going into the well.The Buffer Unit 109 has buffing pad 115 and one
End is connected the spring 116 that the other end is connected with thermometric pipe nipple support 100 with buffing pad 115.Preferably, the lower end of buffing pad 115
Surface construction is taper surface.By this set, Buffer Unit 109 not only acts as good cushioning effect, moreover it is possible to ensures thermometric system
The smooth ground downlink in drilling tool pipe string of system 50.
Preferred embodiment of the present utility model is these are only, but scope of protection of the utility model is not limited thereto, and is appointed
What those skilled in the art in technical scope, easily can be changed or change disclosed in the utility model, and this
Being altered or varied should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model Ying Yiquan
The protection domain of sharp claim is defined.
Claims (10)
- A kind of 1. temp measuring system for geothermal well, it is characterised in that including：Closed heat-preservation cylinder,The circuit board being arranged in the inner chamber of the heat-preservation cylinder,The thermometric pipe nipple support being fixedly connected with the heat-preservation cylinder,The temperature sensor being arranged on the thermometric pipe nipple support,Wherein, the temperature sensor is connected with the circuit board.
- 2. temp measuring system according to claim 1, it is characterised in that the thermometric pipe nipple support is cylindrical in shape and is arranged on institute The lower end of heat-preservation cylinder is stated, the heat-preservation cylinder includes：Heat-preservation cylinder main body with shed,For blocking the heat insulating mattress of the under shed,Wherein, the heat insulating mattress is fixedly connected with the thermometric pipe nipple support.
- 3. temp measuring system according to claim 2, it is characterised in that the heat insulating mattress can be embedded into the heat-preservation cylinder main body Inner chamber in, the heat-preservation cylinder main body is threadedly coupled with the thermometric pipe nipple support.
- 4. temp measuring system according to claim 3, it is characterised in that energy is set on the outer wall of the thermometric pipe nipple support Sealing ring between the heat-preservation cylinder main body and the thermometric pipe nipple support.
- 5. temp measuring system according to claim 3, it is characterised in that be provided for supporting in the inner chamber of the heat-preservation cylinder The bearing of the circuit board, the bearing is detachable to be arranged on the heat insulating mattress.
- 6. temp measuring system according to claim 5, it is characterised in that the bearing has contacts connection with the heat insulating mattress Bottom plate, be arranged on the bottom plate and be used to fix the supporting plate of the circuit board, wherein, in the bottom plate and the heat insulating mattress On be provided through cable-through hole inside and outside the heat-preservation cylinder.
- 7. the temp measuring system according to any one of claim 2 to 6, it is characterised in that in the thermometric pipe nipple support Mounting hole is opened up on wall, and stainless steel cover plate is set at mounting hole.
- 8. the temp measuring system according to any one of claim 2 to 6, it is characterised in that in the thermometric pipe nipple support Buffer Unit is fixedly installed in lower end.
- 9. temp measuring system according to claim 8, it is characterised in that the Buffer Unit has buffing pad and spring, institute State one end of spring and the buffing pad is connected the other end and is connected with the thermometric pipe nipple support.
- 10. temp measuring system according to claim 9, it is characterised in that the lower surface of the buffing pad is configured to taper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720497085.8U CN206928943U (en) | 2017-05-05 | 2017-05-05 | A kind of temp measuring system for geothermal well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720497085.8U CN206928943U (en) | 2017-05-05 | 2017-05-05 | A kind of temp measuring system for geothermal well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206928943U true CN206928943U (en) | 2018-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720497085.8U Active CN206928943U (en) | 2017-05-05 | 2017-05-05 | A kind of temp measuring system for geothermal well |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825218A (en) * | 2018-04-27 | 2018-11-16 | 中国石油天然气股份有限公司 | formation temperature testing method and device |
| CN111485872A (en) * | 2020-03-06 | 2020-08-04 | 四川省地质矿产勘查开发局成都水文地质工程地质队 | Temperature measuring device of geothermal well |
| CN111663938A (en) * | 2019-03-05 | 2020-09-15 | 中国石油化工股份有限公司 | High-temperature drilling temperature measurement method |
| CN116792087A (en) * | 2023-08-22 | 2023-09-22 | 太原理工大学 | Device and method for measuring bottom hole geothermal fluid temperature of deep high-temperature geothermal well |
-
2017
- 2017-05-05 CN CN201720497085.8U patent/CN206928943U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825218A (en) * | 2018-04-27 | 2018-11-16 | 中国石油天然气股份有限公司 | formation temperature testing method and device |
| CN111663938A (en) * | 2019-03-05 | 2020-09-15 | 中国石油化工股份有限公司 | High-temperature drilling temperature measurement method |
| CN111663938B (en) * | 2019-03-05 | 2023-07-04 | 中国石油化工股份有限公司 | High-temperature drilling temperature measurement method |
| CN111485872A (en) * | 2020-03-06 | 2020-08-04 | 四川省地质矿产勘查开发局成都水文地质工程地质队 | Temperature measuring device of geothermal well |
| CN111485872B (en) * | 2020-03-06 | 2022-12-02 | 四川省地质矿产勘查开发局成都水文地质工程地质队 | Temperature measuring device of geothermal well |
| CN116792087A (en) * | 2023-08-22 | 2023-09-22 | 太原理工大学 | Device and method for measuring bottom hole geothermal fluid temperature of deep high-temperature geothermal well |
| CN116792087B (en) * | 2023-08-22 | 2023-11-21 | 太原理工大学 | Device and method for measuring bottom hole geothermal fluid temperature of deep high-temperature geothermal well |
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