CN211058789U - High-temperature-resistant downhole flowmeter - Google Patents
High-temperature-resistant downhole flowmeter Download PDFInfo
- Publication number
- CN211058789U CN211058789U CN202021119170.9U CN202021119170U CN211058789U CN 211058789 U CN211058789 U CN 211058789U CN 202021119170 U CN202021119170 U CN 202021119170U CN 211058789 U CN211058789 U CN 211058789U
- Authority
- CN
- China
- Prior art keywords
- flowmeter
- layer
- heat
- pipe
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model relates to a high temperature resistant flowmeter in pit, its technical scheme is: the top of runner pipe is fixed and is provided with thermal-insulated control tube, the top of thermal-insulated control tube is provided with the flowmeter, the one end of flowmeter is provided with the display screen, the fixed surface of one side that the flowmeter was equipped with the display screen is provided with fixed guard ring, the both ends of runner pipe are provided with the mounting disc. The beneficial effects are as follows: the mounting disc with the heat insulation function can be conveniently and quickly mounted on an oil pipe, and the heat resistance of the mounting disc are improved; in addition, the heat insulation control pipe of the double-layer pipeline is adopted to communicate the circulating pipe with the flowmeter, so that the heat transfer of the circulating pipe can be weakened, and the influence on the top flowmeter is reduced; through multiple measures, the problem that the flowmeter is influenced by heat when measuring is solved, the measurement precision is improved, and the service life of the flowmeter is further prolonged.
Description
Technical Field
The utility model relates to an oil instrument in the pit, in particular to high temperature resistant flowmeter in the pit.
Background
In logging of production profile and injection profile of petroleum well, an instrument for measuring flow passing through a certain section in the well in unit time is called as an underground flowmeter or a flowmeter for short, and is divided into a mechanical turbine flowmeter, an isotope tracing type nuclear flowmeter, an electromagnetic induction type electromagnetic flowmeter and the like according to different measurement principles.
When the oil at the bottom of the ground is pumped out from the underground, the pumped oil needs to be measured by using the flowmeter, but the pumped oil is influenced by the underground high temperature when the flowmeter is used for measuring, so that the accuracy of the flowmeter is influenced, and the service life of the flowmeter is also shortened.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a high temperature resistant flowmeter in pit, it is thermal-insulated through multiple measure, can receive thermal influence when having solved the flowmeter and measuring, not only improved measurement accuracy, still further prolonged the life of flowmeter.
In order to achieve the above object, the utility model provides a following technical scheme: a high-temperature-resistant downhole flowmeter comprises a circulation pipe, wherein a heat insulation control pipe is fixedly arranged at the top of the circulation pipe, a flowmeter is arranged at the top of the heat insulation control pipe, a display screen is arranged at one end of the flowmeter, a fixed protection ring is fixedly arranged on the surface of one side of the flowmeter, which is provided with the display screen, a power supply connecting wire is externally connected onto the outer wall of the flowmeter, a heat dissipation shell is adopted on the surface of the outer shell of the flowmeter, mounting discs are arranged at two ends of the circulation pipe, a plurality of mounting holes are formed in the surface of each mounting disc, and a heat-resistant protection layer is arranged inside each; the heat-resistant protective layer is formed by connecting a heat-insulating inner layer, a heat-insulating outer layer and a fixed shell in sequence, and the circulating pipe is formed by connecting a heat-insulating layer, a liquid passing layer and a circulating pipe shell in sequence.
Preferably, the heat-resistant protective layer comprises a heat-insulating inner layer, a heat-insulating outer layer and a fixed shell, the heat-insulating outer layer is arranged on the outer side of the heat-insulating inner layer, the fixed shell is arranged on the outer side of the heat-insulating outer layer, and the outer side of the fixed shell is fixedly connected with the inner wall of the mounting disc; the inner surface of the heat insulation inner layer is a smooth surface, and the heat insulation outer layer is made of aluminum silicate fiber cotton.
Preferably, the runner pipe comprises a heat insulation layer, a liquid passing layer and a runner pipe shell, the liquid passing layer is arranged on the inner side, the surface of the liquid passing layer is smooth, the heat insulation layer is arranged between the liquid passing layer and the runner pipe shell, and the heat insulation layer is made of aluminum silicate fiber cotton.
Preferably, the casing of the flowmeter is an aluminum alloy heat dissipation casing, and the surface of the casing is a net structure.
Preferably, the fixed guard ring is made of high temperature resistant rubber.
Preferably, the heat insulation control pipe is made of double-layer pipelines, and an annular cavity is arranged between the double-layer pipelines.
Preferably, a graphite material layer is provided inside the flowmeter.
Compared with the prior art, the beneficial effects of the utility model are that:
the circulation pipe with the heat insulation function is arranged, so that the influence of petroleum heat in the circulation pipe on the flowmeter is reduced when the flowmeter is used for measuring the underground petroleum flow, the installation disc with the heat insulation function can be conveniently and quickly installed on the oil pipe, and the heat resistance of the installation disc are improved; in addition, the heat insulation control pipe of the double-layer pipeline is adopted to communicate the circulating pipe with the flowmeter, so that the heat transfer of the circulating pipe can be weakened, and the influence on the top flowmeter is reduced; and the casing of the flowmeter is provided with the high-temperature-resistant rubber to form the fixed protective ring, so that the display can be protected, the flowmeter can be conveniently operated and contacted, the heat insulation is realized through various measures, the influence of heat on the flowmeter during measurement is avoided, the measurement precision is improved, and the service life of the flowmeter is further prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a cross-sectional view of the mounting plate of the present invention;
FIG. 3 is a cross-sectional view of the flow tube of the present invention;
fig. 4 is a cross-sectional view of the heat insulation control pipe of the present invention;
fig. 5 is a schematic structural diagram of a second embodiment of the present invention;
in the upper diagram: the device comprises a circulation pipe 1, a mounting disc 2, a mounting hole 3, a heat insulation control pipe 4, a flowmeter 5, a fixed protection ring 6, a display screen 7, a power supply connecting wire 8, a heat insulation inner layer 9, a heat insulation outer layer 10, a fixed shell 11, a heat insulation layer 12, a liquid passing layer 13, a circulation pipe shell 14, a double-layer pipeline 4.1 and an annular cavity 4.2.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 2, the heat-resistant protective layer of the present invention includes a heat-insulating inner layer 9, a heat-insulating outer layer 10 and a fixed casing 11, the heat-insulating outer layer 10 is disposed on the outer side of the heat-insulating inner layer 9, the fixed casing 11 is disposed on the outer side of the heat-insulating outer layer 10, and the outer side of the fixed casing 11 is fixedly connected to the inner wall of the mounting plate 2; the inner surface of the heat insulation inner layer 9 is a smooth surface, the heat insulation outer layer 10 is made of aluminum silicate fiber cotton, the heat insulation inner layer on the inner side can reduce resistance to petroleum due to the smooth surface, a heat insulation layer made of the aluminum silicate fiber cotton has a heat insulation function, and the fixed shell 11 is conveniently fixed with the mounting disc.
Referring to fig. 3, the flow tube 1 of the present invention is composed of a heat insulating layer 12, a liquid passing layer 13 and a flow tube housing 14, wherein the liquid passing layer 13 is disposed inside, the surface of the liquid passing layer 13 is smooth, the heat insulating layer 12 is disposed between the liquid passing layer 13 and the flow tube housing 14, and the heat insulating layer 12 is made of aluminum silicate fiber cotton; the liquid passing layer on the inner side can reduce the resistance to petroleum due to the smooth surface, and the heat insulation layer made of the aluminum silicate fiber cotton has the function of heat insulation.
Preferably, above-mentioned fixed guard ring 6 adopts high temperature resistant rubber to make, not only can protect display screen 7, can also make things convenient for operating personnel to operate, touches fixed guard ring and can not scald the human body.
Referring to fig. 4, the heat insulation control pipe 4 is made of double-layer pipelines 4.1, and an annular cavity 4.2 is arranged between the double-layer pipelines, so that petroleum flows into the flowmeter through an inner-layer pipeline, and the annular cavity is arranged, so that the heat insulation effect can be achieved, the influence on the external environment is reduced, and the heat insulation effect is also achieved.
Specifically, the graphite material layer is arranged on the inner side of the flowmeter 5, the surface of the flowmeter 5 is made of the graphite material, so that the time length of the flowmeter 5 in the using process is prolonged, the damage and the influence of external factors on the flowmeter 5 are reduced, and the heat resistance and the protective performance of the flowmeter 5 are improved.
The utility model discloses a theory of operation and use flow: the utility model discloses after installing, through the oil pipe in the 1 connecting well of runner pipe that sets up, make the oil circulate in runner pipe 1, mounting disc 2 through the setting, mounting hole 3 is with runner pipe 1 with the pipeline high-speed joint of output oil and fixed, connect runner pipe 1 and flowmeter 5 through the thermal-insulated control tube 4 that sets up, the measurement of oil flow is carried out through flowmeter 5 that sets up, protect display screen 7 through the fixed guard ring 6 that sets up, show the volume of oil output through the display screen 7 that sets up, power connecting wire 8 through the setting connects the electricity for flowmeter 5.
The difference from the embodiment 1 is that: the shell of the flowmeter 5 adopts an aluminum alloy heat dissipation shell, and the surface of the shell is of a net structure, so that the flowmeter can be quickly cooled, a better heat dissipation effect is achieved, and the service life of the flowmeter can be prolonged.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A high temperature resistant downhole flow meter comprising a flow tube (1), characterized in that: the fixed thermal-insulated control tube (4) that is provided with in top of runner pipe (1), the top of thermal-insulated control tube (4) is provided with flowmeter (5), the one end of flowmeter (5) is provided with display screen (7), one side fixed surface that flowmeter (5) were equipped with display screen (7) is provided with fixed guard ring (6), external power connecting wire (8) have been connected on the outer wall of flowmeter (5), the shell surface of flowmeter (5) adopts the heat dissipation casing, and the both ends of runner pipe (1) are provided with mounting disc (2), the surface of mounting disc (2) is provided with a plurality of mounting holes (3), the inside of mounting disc (2) is provided with heat-resistant inoxidizing coating, heat-resistant inoxidizing coating is connected to form by thermal-insulated inner layer (9), thermal-insulated outer layer (10) and fixed casing (11) in proper order, runner pipe (1) is by insulating layer (12) in proper, The liquid passing layer (13) is connected with the shell (14) of the circulating pipe.
2. A high temperature resistant downhole flowmeter as set forth in claim 1 wherein: the heat-resistant protective layer consists of a heat-insulating inner layer (9), a heat-insulating outer layer (10) and a fixed shell (11), the heat-insulating outer layer (10) is arranged on the outer side of the heat-insulating inner layer (9), the fixed shell (11) is arranged on the outer side of the heat-insulating outer layer (10), and the outer side of the fixed shell (11) is fixedly connected with the inner wall of the mounting disc (2); the inner surface of the heat insulation inner layer (9) is a smooth surface, and the heat insulation outer layer (10) is made of aluminum silicate fiber cotton.
3. A high temperature resistant downhole flowmeter according to claim 1 or 2, wherein: the circulation pipe (1) comprises insulating layer (12), liquid layer (13) and circulation pipe casing (14), cross liquid layer (13) and set up in the inboard, and the surface of crossing liquid layer (13) is smooth, is equipped with insulating layer (12) between liquid layer (13) and circulation pipe casing (14), insulating layer (12) adopt aluminium silicate fiber cotton to make.
4. A high temperature resistant downhole flowmeter as set forth in claim 1 wherein: the shell of the flowmeter (5) is an aluminum alloy heat dissipation shell, and the surface of the shell is of a net structure.
5. A high temperature resistant downhole flowmeter as set forth in claim 1 wherein: the fixed protective ring (6) is made of high-temperature-resistant rubber.
6. A high temperature resistant downhole flowmeter as set forth in claim 1 wherein: the heat insulation control pipe (4) is made of double-layer pipelines (4.1), and an annular cavity (4.2) is arranged between the double-layer pipelines.
7. A high temperature resistant downhole flowmeter as set forth in claim 1 wherein: the inner side of the flowmeter (5) is provided with a graphite material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021119170.9U CN211058789U (en) | 2020-06-17 | 2020-06-17 | High-temperature-resistant downhole flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021119170.9U CN211058789U (en) | 2020-06-17 | 2020-06-17 | High-temperature-resistant downhole flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211058789U true CN211058789U (en) | 2020-07-21 |
Family
ID=71589937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021119170.9U Active CN211058789U (en) | 2020-06-17 | 2020-06-17 | High-temperature-resistant downhole flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211058789U (en) |
-
2020
- 2020-06-17 CN CN202021119170.9U patent/CN211058789U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109632573B (en) | Supercritical pressure fluid flow heat transfer visualization experiment device used under equal heat flow heating condition | |
| CN203204214U (en) | Heating-type temperature sensing optical cable used for seepage monitoring | |
| CN103454107B (en) | A kind of packing element heat resisting and pressure resisting performance simulation test system | |
| CN211058789U (en) | High-temperature-resistant downhole flowmeter | |
| CN108917962A (en) | A kind of thin stick narrow gap wall temperature temperature measuring equipment under moving condition | |
| CN103280143A (en) | Experiment segment based on fusion and fission mixed pile water cooling cladding layer and experiment method of experiment segment | |
| CN108801501B (en) | Cable core thermometry based on temperature gradient and thermal power conduction model | |
| CN211903293U (en) | High-power air duct heater | |
| CN112539855A (en) | Fiber bragg grating distributed sensing device for measuring bearing temperature, assembly method thereof and method for measuring bearing | |
| KR102099522B1 (en) | Electrical connector, fluid condition testing device and fluid heat exchange system | |
| CN206132251U (en) | Silicon nitride thermocouple protection tube | |
| CN204924478U (en) | Wholly fill in brick formula thermocouple with water cooling circuit | |
| CN208736486U (en) | One kind having heat-resisting quantity vortex-shedding meter | |
| CN206531589U (en) | A kind of high-tension electricity device temperature supervising device | |
| CN209689778U (en) | One kind being suitable for water heater superconduction thermal temperature sensor | |
| CN217111215U (en) | Wall temperature measuring device for measuring microchannel | |
| CN204115902U (en) | The temperature measuring equipment of water-cooled wall-shaped gasification furnace | |
| CN208313468U (en) | A kind of easy-to-mount steam turbine watt warm resistance | |
| CN207050884U (en) | High-temperature wells temperature-sensitive throw-in type temperature probe | |
| CN217083991U (en) | Underground temperature measuring instrument | |
| CN219495482U (en) | Heat-resistant temperature sensor | |
| CN111766419A (en) | Electric power operation and inspection protection ammeter | |
| CN205881625U (en) | Oil -immersed transformer with temperature is surveyed and damping function | |
| CN216361617U (en) | Wisdom water utilities engineering is with effectual electromagnetic flow meter that shocks resistance | |
| CN217058911U (en) | High temperature wedge-shaped flowmeter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A High Temperature Resistant Downhole Flowmeter Effective date of registration: 20221020 Granted publication date: 20200721 Pledgee: Weihai commercial bank Limited by Share Ltd. Dongying branch Pledgor: Shandong Yongli Jinggong Petroleum Equipment Co.,Ltd. Registration number: Y2022980019046 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |