CN206618449U - Multi-phase flowmeter pressure taking structure under water - Google Patents
Multi-phase flowmeter pressure taking structure under water Download PDFInfo
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- CN206618449U CN206618449U CN201720025242.5U CN201720025242U CN206618449U CN 206618449 U CN206618449 U CN 206618449U CN 201720025242 U CN201720025242 U CN 201720025242U CN 206618449 U CN206618449 U CN 206618449U
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Abstract
The utility model discloses a kind of multi-phase flowmeter pressure taking structure, including flowmeter bodies under water, the flowmeter bodies are embedded to be cased with Venturi tube, flowmeter bodies being provided with differential pressure pick-up component；The tube wall of the throat of Venturi tube is provided with low pressure pressure port, and low pressure pressure port is connected with the low pressure pressure probe of the differential pressure pick-up component；The tube wall of venturi throat upstream is provided with high pressure pressure port, and high pressure pressure port is connected with the high pressure pressure probe of the differential pressure pick-up component.It is using this new remarkable result, Venturi tube inner high voltage value and low voltage value are obtained using same differential pressure pick-up component simultaneously, realize the differential pressure pressure of detected fluid, traditional pressure taking structure is simplified, the volume of flowmeter is reduced, the limited space of platform has been saved, consequently facilitating installing, transporting and reclaiming, manufacturing cost can also be lowered significantly, flowmeter good airproof performance can be directly used for subaqueous survey multiphase flow.
Description
Technical field
The utility model is related to subsea production system field of measuring technique, specifically, being related to a kind of multi-phase flowmeter under water
Pressure taking structure.
Background technology
Oil field is in normal production process, detection and life of the metering for the whole oil gas field of understanding of oil-gas-water three-phase flow
Production and optimization reservoir management have very important significance.Conventional way is counted using test line or test separator
Amount.But test separator involves great expense, floor space is big, test period length, the data obtained are discontinuous, it is difficult to meet oil field production
The need for optimization and management.Another way is to measure multi-phase flowmeter installed in platform well mouth, this metering system
It is more economical relative to test separator, also more save space, it is also stronger to the monitoring capacity of Oil/gas Well.But for outlying well
For, well stream is guided into platform measuring cost too big.More economical way is to be measured under water at well head or manifold, then
Pass through a pipelined to platform after the yield of multiple wells is converged.Real-time meter can be reached using multi-phase flowmeter under water
Amount, saving cost, and then improve the purpose of field management and optimization ability.
Utility model content
The utility model provides a kind of be suitable under water directly using the pressure taking structure for the multi-phase flowmeter for measuring multiphase flow.
Technical scheme is as follows：
A kind of multi-phase flowmeter pressure taking structure under water, its key is：Including flowmeter bodies, the flowmeter bodies are embedded
It is cased with that differential pressure pick-up component is installed in Venturi tube, the flowmeter bodies；
The tube wall of the throat of the Venturi tube is provided with low pressure pressure port, the low pressure pressure port and the differential pressure pick-up
The low pressure pressure probe connection of component；
The tube wall of the venturi throat upstream is provided with high pressure pressure port, and the high pressure pressure port is sensed with the differential pressure
The high pressure pressure probe connection of device assembly.
It is to obtain two pressures in Venturi tube using same differential pressure pick-up component using the remarkable result of above scheme
Force value (high pressure and low pressure), realizes the differential pressure pressure of detected fluid, simplifies traditional pressure taking structure, reduce flowmeter
Volume, has saved the limited space of platform, consequently facilitating installing, transporting and reclaiming, moreover it is possible to lower manufacturing cost significantly.
Preferably, offering measurement channel in the flowmeter bodies, the Venturi tube is sealedly arranged at the meter
Measure in passage, high pressure conduction hole and low pressure conduction hole, the differential pressure pick-up component are respectively equipped with the flowmeter bodies
Installed in the outer wall of the flowmeter bodies；
The two ends of the high pressure conduction hole are respectively communicated with the high pressure of the high pressure pressure port and the differential pressure pick-up component
Pressure is popped one's head in, and the two ends of the low pressure conduction hole are respectively communicated with the low pressure of the low pressure pressure port and the differential pressure pick-up component
Pressure is popped one's head in.
Taken preferably, being respectively equipped with high pressure annular between the inwall of the outer wall of the Venturi tube and the measurement channel
Pressure passageway and the annular pressure passage of low pressure；
The tube wall of the throat of the Venturi tube is provided with low pressure pressure port described at least two, the low pressure pressure orifice ring
To being uniformly distributed, the outer end of all low pressure pressure ports is connected with the annular pressure passage of the low pressure, the low pressure conduction hole
Inner pressure passage annular with the low pressure connect；
The tube wall in the venturi throat downstream is provided with least two high pressure pressure ports, the high pressure pressure port ring
It is uniformly distributed, the outer end of all high pressure pressure ports is connected with the annular pressure passage of the high pressure, the high pressure conduction hole
It is inner to be connected with the annular pressure passage of the high pressure.
Preferably, the port of export of the Venturi tube is provided with adpting flange, the outer face of the adpting flange is provided with out
Mouth end closure gasket groove, the port of export of the measurement channel is provided with the nested mouth of the flange matched with the adpting flange, the connection
Flange is intraoral positioned at the flange nesting, and part connection is connected through a screw thread between the adpting flange and the flowmeter bodies.
The benefit of design is that Venturi tube is crucial measurement part more than, in the long-term erosion process of fluid, may cause metering
Precision is inadequate；Because flowmeter materials cost is very high under water, it is the purpose that can reach accurate measurement so only to change Venturi tube,
Material cost is saved simultaneously and has shortened maintenance time；In addition, the parts procurement cycle of flowmeter is very long under water, for difference
Oil well flow, only Venturi tube is different, and other accessories are all general, such design for disassembly such as instrument, electronics storehouse
The stocks such as standardization and correlate meter, material beneficial to product, shorten Lead Time.
Preferably, the outer wall in the Venturi tube offers two circumferential grooves, two circumferential groove difference
Form the annular pressure passage of the high pressure and the annular pressure passage of low pressure；
Sealed between the port of export outer wall and the measurement channel of the Venturi tube by port of export sealing structure, it is described
Sealed between the arrival end outer wall and the measurement channel of Venturi tube by arrival end sealing structure；
The annular pressure passage of the high pressure, the annular pressure passage of low pressure are respectively positioned on the arrival end sealing structure and the port of export
Between sealing structure；
Isolation seal is provided between the annular pressure passage of the high pressure and the annular pressure passage of low pressure.
Preferably, the port of export sealing structure includes port of export sealing ring and flange seal ring, the wherein port of export is close
Seal ring is arranged between the inwall of the outer wall of the Venturi tube and the measurement channel, and the flange seal ring is located at the company
Between the inner face of acting flange and the flowmeter bodies, flange seal ring is c-type metallic packing ring.
Preferably, the arrival end sealing structure includes arrival end sealing ring, the arrival end sealing ring is arranged at described
Between the inwall of the outer wall of Venturi tube and the measurement channel,
Preferably, the isolation seal is plastic sealing ring.
Preferably, provided with sealing ring in the middle part of venturi between the annular pressure passage of the low pressure and port of export sealing ring,
Sealing ring is close to the annular pressure passage of the low pressure in the middle part of the venturi.The design can realize the throat of Venturi tube to the port of export
Compared with the sealing of long gap, it can prevent gas build from influenceing measurement accuracy.
Beneficial effect：Using multi-phase flowmeter pressure taking structure under water of the present utility model, same differential pressure pick-up is used
Component obtains Venturi tube inner high voltage value and low voltage value simultaneously, realizes the differential pressure pressure of detected fluid, simplifies traditional take
Laminated structure, reduces the volume of flowmeter, has saved the limited space of platform, consequently facilitating installing, transporting and reclaiming, moreover it is possible to big
Big to lower manufacturing cost, flowmeter good airproof performance can be directly used for subaqueous survey multiphase flow.
Brief description of the drawings
Fig. 1 is decomposition texture schematic diagram of the present utility model；
Fig. 2 is the structural representation of flowmeter bodies 100；
Fig. 3 is the decomposition texture schematic diagram of flowmeter bodies 100 and Venturi tube 210；
Fig. 4 is the assembling structure schematic diagram of flowmeter bodies 100 and Venturi tube 210.
Embodiment
With reference to embodiment and accompanying drawing, the utility model is described in further detail.
As shown in figure 1, a kind of multi-phase flowmeter pressure taking structure, including flowmeter bodies 100 under water, the flowmeter bodies
100 embedded are cased with being provided with differential pressure pick-up component 700, radiation source assemblies in Venturi tube 210, the flowmeter bodies 100
300, detector assembly 400, temperature/pressure sensor component 600, the detector assembly 400 is connected with electronics storehouse component 500.
It can be seen that with reference to Fig. 2 to Fig. 4 and measurement channel 110, the venturi offered in the flowmeter bodies 100
Pipe 210 is sealedly arranged in the measurement channel 110, and the differential pressure pick-up component 700 is arranged on the flowmeter bodies 100
Outer wall；
The port of export of the Venturi tube 210 is provided with adpting flange 212, and the outer face of the adpting flange 212 is provided with out
Mouth end closure gasket groove 2121, it is nested that the port of export of the measurement channel 110 is provided with the flange matched with the adpting flange 212
Mouthful, the adpting flange 212 is intraoral positioned at the flange nesting, between the adpting flange 212 and the flowmeter bodies 100
Part 206 is connected through a screw thread to connect.
The tube wall of the throat of the Venturi tube 210 is provided with low pressure pressure port 2112, in the flowmeter bodies 100
Provided with low pressure conduction hole, the low pressure pressure port 2112 is taken by the low pressure of low pressure conduction hole and the differential pressure pick-up component 700
Pressure probe connection；
The tube wall of the throat upstream of Venturi tube 210 is provided with high pressure pressure port 2111, in the flowmeter bodies 100
It is provided with high pressure conduction hole, the high pressure that the high pressure pressure port 2111 passes through high pressure conduction hole and the differential pressure pick-up component 700
Pressure probe connection.
The outer end of the high pressure conduction hole 2111 and low pressure conduction hole 2112 is close to each other.
For accurate pressure, the tube wall of the throat of the Venturi tube 210 is provided with low pressure pressure port described at least two
2112, the ring of low pressure pressure port 2112 is uniformly distributed, and the tube wall in the throat downstream of Venturi tube 210 is provided with least two
Individual high pressure pressure port 2111, the ring of high pressure pressure port 2111 is uniformly distributed, and is offered in the outer wall of the Venturi tube 210
Two circumferential grooves, two circumferential grooves form the annular pressure passage 207 of high pressure and the annular pressure passage of low pressure respectively
208；
The outer end of all low pressure pressure ports 2112 is connected with the annular pressure passage 208 of the low pressure, and the low pressure is drawn
The annular pressure passage 208 of the inner and low pressure of discharge orifice is connected；
The outer end of all high pressure pressure ports 2111 is connected with the annular pressure passage 207 of the high pressure, and the high pressure is drawn
The annular pressure passage 207 of the inner and high pressure of discharge orifice is connected.
Sealing between Venturi tube 210 and measurement channel 110 is realized in such a way：
It is close by port of export sealing structure between the port of export outer wall and the measurement channel 110 of the Venturi tube 210
Envelope, is sealed between the arrival end outer wall and the measurement channel 110 of the Venturi tube 210 by arrival end sealing structure；
The annular pressure passage 207 of the high pressure, the annular pressure passage 208 of low pressure be respectively positioned on the arrival end sealing structure and
Between port of export sealing structure；
Isolation seal 202 is provided between the annular pressure passage 207 of the high pressure and the annular pressure passage 208 of low pressure.
The port of export sealing structure includes port of export sealing ring 204 and flange seal ring 205, wherein port of export sealing ring
204 are arranged between the outer wall of the Venturi tube 210 and the inwall of the measurement channel 110, the flange seal ring 205
Between the inner face and the flowmeter bodies 100 of the adpting flange 212, flange seal ring 205 is c-type metal sealing
Ring.
The arrival end sealing structure includes arrival end sealing ring 201, and the arrival end sealing ring 201 is arranged at the literary mound
In between the outer wall of pipe 210 and the inwall of the measurement channel 110, the isolation seal 202 be plastic sealing ring.
Finally it should be noted that foregoing description is only preferred embodiment of the present utility model, the common skill of this area
Art personnel on the premise of without prejudice to the utility model objective and claim, can make under enlightenment of the present utility model
Represented as multiple types, such conversion is each fallen within protection domain of the present utility model.
Claims (9)
1. a kind of multi-phase flowmeter pressure taking structure under water, it is characterised in that：Including flowmeter bodies (100), the flowmeter bodies
(100) embed and be cased with that differential pressure pick-up component (700) is installed on Venturi tube (210), the flowmeter bodies (100)；
The tube wall of the throat of the Venturi tube (210) be provided with low pressure pressure port (2112), the low pressure pressure port (2112) with
The low pressure pressure probe connection of the differential pressure pick-up component (700)；
The tube wall of Venturi tube (210) the throat upstream is provided with high pressure pressure port (2111), the high pressure pressure port (2111)
High pressure pressure probe with the differential pressure pick-up component (700) is connected.
2. multi-phase flowmeter pressure taking structure under water according to claim 1, it is characterised in that：The flowmeter bodies
(100) measurement channel (110) is offered on, the Venturi tube (210) is sealedly arranged in the measurement channel (110),
High pressure conduction hole and low pressure conduction hole, differential pressure pick-up component (700) peace are respectively equipped with the flowmeter bodies (100)
Outer wall mounted in the flowmeter bodies (100)；
The two ends of the high pressure conduction hole are respectively communicated with the high pressure pressure port (2111) and the differential pressure pick-up component (700)
High pressure pressure probe, the two ends of the low pressure conduction hole are respectively communicated with the low pressure pressure port (2112) and the differential pressure is sensed
The low pressure pressure probe of device assembly (700).
3. multi-phase flowmeter pressure taking structure under water according to claim 2, it is characterised in that：The Venturi tube (210)
The port of export be provided with adpting flange (212), the outer face of the adpting flange (212) is provided with port of export closure gasket groove (2121),
The port of export of the measurement channel (110) is provided with the nested mouth of the flange matched with the adpting flange (212), the adpting flange
(212) it is located at the flange nesting intraoral, screw thread is passed through between the adpting flange (212) and the flowmeter bodies (100)
Connector (206) is connected.
4. multi-phase flowmeter pressure taking structure under water according to claim 3, it is characterised in that：The Venturi tube (210)
Outer wall and the measurement channel (110) inwall between be respectively equipped with the annular pressure passage (207) of high pressure and low pressure annular takes
Pressure passageway (208)；
The tube wall of the throat of the Venturi tube (210) is provided with low pressure pressure port (2112) described at least two, the low pressure
Pressure port (2112) ring is uniformly distributed, outer end and the annular pressure passage of the low pressure of all low pressure pressure ports (2112)
(208) connect, the annular pressure passage (208) of the inner and low pressure of the low pressure conduction hole connects；
The tube wall in Venturi tube (210) the throat downstream is provided with least two high pressure pressure ports (2111), and the high pressure takes
Pressure hole (2111) ring is uniformly distributed, outer end and the annular pressure passage of the high pressure of all high pressure pressure ports (2111)
(207) connect, the annular pressure passage (207) of the inner and high pressure of the high pressure conduction hole connects.
5. multi-phase flowmeter pressure taking structure under water according to claim 4, it is characterised in that：In the Venturi tube
(210) outer wall offers two circumferential grooves, and two circumferential grooves form the annular pressure passage of the high pressure respectively
And the annular pressure passage (208) of low pressure (207)；
It is close by port of export sealing structure between the port of export outer wall and the measurement channel (110) of the Venturi tube (210)
Envelope, it is close by arrival end sealing structure between the arrival end outer wall and the measurement channel (110) of the Venturi tube (210)
Envelope；
The annular pressure passage (207) of the high pressure, the annular pressure passage (208) of low pressure be respectively positioned on the arrival end sealing structure and
Between port of export sealing structure；
Isolation seal (202) is provided between the annular pressure passage (207) of the high pressure and the annular pressure passage (208) of low pressure.
6. multi-phase flowmeter pressure taking structure under water according to claim 5, it is characterised in that：The port of export sealing structure
Including port of export sealing ring (204) and flange seal ring (205), wherein port of export sealing ring (204) is arranged at the venturi
Manage between the outer wall of (210) and the inwall of the measurement channel (110), the flange seal ring (205) is located at the connection method
Between the inner face and the flowmeter bodies (100) of blue (212), flange seal ring (205) is c-type metallic packing ring.
7. multi-phase flowmeter pressure taking structure under water according to claim 5, it is characterised in that：The arrival end sealing structure
Including arrival end sealing ring (201), the arrival end sealing ring (201) is arranged at the outer wall of the Venturi tube (210) and described
Between the inwall of measurement channel (110).
8. multi-phase flowmeter pressure taking structure under water according to claim 5, it is characterised in that：The isolation seal
(202) it is plastic sealing ring.
9. multi-phase flowmeter pressure taking structure under water according to claim 6, it is characterised in that：The annular pressure of the low pressure is led to
Provided with sealing ring (203) in the middle part of venturi between road (208) and port of export sealing ring (204), venturi middle part sealing ring
(203) close to the annular pressure passage (208) of the low pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720025242.5U CN206618449U (en) | 2017-01-10 | 2017-01-10 | Multi-phase flowmeter pressure taking structure under water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720025242.5U CN206618449U (en) | 2017-01-10 | 2017-01-10 | Multi-phase flowmeter pressure taking structure under water |
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| Publication Number | Publication Date |
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| CN206618449U true CN206618449U (en) | 2017-11-07 |
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ID=60229904
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720025242.5U Active CN206618449U (en) | 2017-01-10 | 2017-01-10 | Multi-phase flowmeter pressure taking structure under water |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812239A (en) * | 2019-03-29 | 2019-05-28 | 海默科技（集团）股份有限公司 | A kind of Rapid reversal mechanism based on underwater flowmeter |
| CN111633974A (en) * | 2020-06-05 | 2020-09-08 | 中国海洋石油集团有限公司 | Processing method of composite nested pipe |
| CN112414612A (en) * | 2020-11-04 | 2021-02-26 | 海默新宸水下技术(上海)有限公司 | Underwater differential pressure transmitter |
| CN113531221A (en) * | 2020-04-14 | 2021-10-22 | 海默科技（集团）股份有限公司 | Composite nested pipe and processing method |
-
2017
- 2017-01-10 CN CN201720025242.5U patent/CN206618449U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812239A (en) * | 2019-03-29 | 2019-05-28 | 海默科技（集团）股份有限公司 | A kind of Rapid reversal mechanism based on underwater flowmeter |
| CN113531221A (en) * | 2020-04-14 | 2021-10-22 | 海默科技（集团）股份有限公司 | Composite nested pipe and processing method |
| CN113531221B (en) * | 2020-04-14 | 2023-04-28 | 海默科技（集团）股份有限公司 | Composite embedded pipe and processing method |
| CN111633974A (en) * | 2020-06-05 | 2020-09-08 | 中国海洋石油集团有限公司 | Processing method of composite nested pipe |
| CN111633974B (en) * | 2020-06-05 | 2022-05-03 | 中国海洋石油集团有限公司 | Processing method of composite nested pipe |
| CN112414612A (en) * | 2020-11-04 | 2021-02-26 | 海默新宸水下技术(上海)有限公司 | Underwater differential pressure transmitter |
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