CN216922101U - Heat conduction flow and water holding rate composite probe - Google Patents
Heat conduction flow and water holding rate composite probe Download PDFInfo
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- CN216922101U CN216922101U CN202122555912.3U CN202122555912U CN216922101U CN 216922101 U CN216922101 U CN 216922101U CN 202122555912 U CN202122555912 U CN 202122555912U CN 216922101 U CN216922101 U CN 216922101U
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- probe
- liquid water
- retention rate
- water retention
- heat conduction
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Abstract
The utility model discloses a heat conduction flow and water retention rate composite probe, which comprises a heat conduction flow probe, a liquid water retention rate probe and a connecting base, wherein the heat conduction flow probe is arranged at the front end of the liquid water retention rate probe, the liquid water retention rate probe is fixed at the front end of the connecting base, a protective cover is arranged on the outer side of the liquid water retention rate probe, and a heat insulation structure is arranged between the heat conduction flow probe and the liquid water retention rate probe. The utility model has the advantages that: the two probes are combined, so that the device can be used for underground measurement of high-temperature and high-pressure oil fields, and has compact appearance structure and small occupied volume; the heat conduction flow probe and the water holding capacity probe are put together, so that the response rate of system measurement is improved, and the consistency of the measured liquid water holding capacity and the flow can be ensured in real time, thereby greatly improving the precision of the measurement result.
Description
Technical Field
The utility model relates to the field of probes, in particular to a composite probe for heat conduction flow and water holding rate.
Background
The heat conduction flow probe converts the heat loss rate into the liquid flow rate by utilizing the principle that the liquid flow can take away heat, thereby calculating the liquid flow in unit time. This requires the use of the heat capacity value of the mixed liquor. Different liquids have different heat capacity values, and when the oil-water mixture is obtained, the heat capacity of the liquids has deviation when the oil-water ratio is different. Therefore, to accurately measure the flow rate of the liquid by using the principle of thermal conductivity flow rate, the oil-water ratio in the liquid needs to be determined first, and then the heat capacity value of the liquid needs to be determined. In the field of oil exploration, the flow rate of oil-water mixed liquid is generally required to be measured. The method in the prior art needs two devices for measurement respectively, which is extremely inconvenient and affects the measurement efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of how to realize the integrated structure of a thermal conductivity flow and water holding capacity measuring instrument, and provides a composite probe for the thermal conductivity flow and the water holding capacity aiming at the technical problem to be solved.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a thermal conductance flow and water holdup composite probe, includes thermal conductance flow probe, liquid water holdup probe and connection base, thermal conductance flow probe sets up the front end at liquid water holdup probe, liquid water holdup probe fixes the front end at connection base, the outside of liquid water holdup probe is provided with a protection cover, liquid water holdup probe passes through the fixed thermal conductance flow probe of safety cover, be equipped with thermal-insulated structure between thermal conductance flow probe and the liquid water holdup probe.
Furthermore, the center of the liquid water holding rate probe is a connecting lead, an insulating layer is arranged on the outer side of the liquid water holding rate probe, and a metal inner polar plate is arranged on the inner side of the liquid water holding rate probe.
Furthermore, an insulating block is arranged between the connecting base and the liquid water holdup probe.
Furthermore, a sealing ring is arranged between the connecting base and the liquid water holdup probe, and the assembling position of the connecting base is provided with the sealing ring.
Compared with the prior art, the utility model has the beneficial effects that: the utility model combines the two probes, can be used for underground measurement of high-temperature and high-pressure oil fields, and has compact appearance structure and small occupied volume; the heat conduction flow probe and the water holding capacity probe are put together, so that the response rate of system measurement is improved, and the consistency of the measured liquid water holding capacity and the flow can be ensured in real time, thereby greatly improving the precision of the measurement result.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the utility model.
As shown in fig. 1, the present embodiment discloses a thermal conductivity flow and water retention rate composite probe, which includes a thermal conductivity flow probe 1, a liquid water retention rate probe 2 and a connection base 3, wherein the thermal conductivity flow probe 1 is disposed at a front end of the liquid water retention rate probe 2, the liquid water retention rate probe 2 is fixed at a front end of the connection base 3, a protection cover 21 is disposed on an outer side of the liquid water retention rate probe 2, the liquid water retention rate probe 2 is protected from being damaged by the protection cover 21, and a heat insulation structure 4 is disposed between the thermal conductivity flow probe 1 and the liquid water retention rate probe 2.
Preferably, the center of the liquid water-holding rate probe 2 is a connecting lead, an insulating layer 23 is arranged outside the liquid water-holding rate probe 2, and a metal inner electrode plate 22 is arranged inside the liquid water-holding rate probe 2.
The lead wire is arranged inside the instrument through the connector, so that the lead wire can be prevented from being damaged during rotation.
It is feasible that an insulating block is arranged between the connecting base 3 and the liquid water holdup probe 2, and the interference between signals is prevented through the insulating block.
Possibly, a second sealing ring 32 is arranged between the connecting base 3 and the liquid water holdup probe 2, and a first sealing ring 31 is arranged at the assembling position of the connecting base 3. Through the setting of sealing washer to intaking when preventing to use, ensure equipment normal use.
The composite probe comprises a heat conduction flow probe part at the front part, a heat insulation part at the middle part, a liquid water holding rate probe part at the rear part and a connecting base part at the tail part.
In the utility model, the liquid water holding rate part determines the proportion of oil-water content by utilizing the principle that capacitance values generated between two different metal polar plates by using media between the two metal polar plates are different, and further determines the heat capacity value of the liquid.
The composite probe can be used for underground measurement of high-temperature and high-pressure oil fields, and has compact appearance structure and small occupied volume; the heat conduction flow probe and the water holding capacity probe are put together, so that the response rate of system measurement is improved, and the consistency of the measured liquid water holding capacity and the flow can be ensured in real time, thereby greatly improving the precision of the measurement result.
The details which are not described in the present specification belong to the prior art which is well known to those skilled in the art, the standard parts used in the present invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the drawings, the specific connection mode of each part adopts the conventional means of bolts, rivets, welding and the like which are mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and the details which are not described in the present specification belong to the prior art which is well known to those skilled in the art.
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.
Claims (4)
1. The utility model provides a thermal conductance flow and water holdup composite probe, its characterized in that, includes thermal conductance flow probe (1), liquid water holdup probe (2) and connects base (3), thermal conductance flow probe (1) sets up the front end at liquid water holdup probe (2), liquid water holdup probe (2) are fixed at the front end of connecting base (3), the outside of liquid water holdup probe (2) is provided with a guard shield (21), be equipped with thermal-insulated structure (4) between thermal conductance flow probe (1) and liquid water holdup probe (2).
2. The composite probe for heat conduction flow rate and water retention rate of claim 1, wherein the center of the liquid water retention rate probe (2) is a connecting lead, an insulating layer (23) is arranged on the outer side of the liquid water retention rate probe (2), and a metal inner polar plate (22) is arranged on the inner side of the liquid water retention rate probe (2).
3. The composite probe for heat conduction flow rate and water retention rate of claim 1, wherein an insulating block is disposed between the connection base (3) and the liquid water retention rate probe (2).
4. The composite probe for heat conduction flow rate and water retention rate of claim 1, wherein a sealing ring is arranged between the connection base (3) and the liquid water retention rate probe (2), and the sealing ring is arranged at the assembly position of the connection base (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122555912.3U CN216922101U (en) | 2021-10-23 | 2021-10-23 | Heat conduction flow and water holding rate composite probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122555912.3U CN216922101U (en) | 2021-10-23 | 2021-10-23 | Heat conduction flow and water holding rate composite probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216922101U true CN216922101U (en) | 2022-07-08 |
Family
ID=82247854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122555912.3U Active CN216922101U (en) | 2021-10-23 | 2021-10-23 | Heat conduction flow and water holding rate composite probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216922101U (en) |
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2021
- 2021-10-23 CN CN202122555912.3U patent/CN216922101U/en active Active
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