CN201851118U - On-line sampling device of liquid with multi-phase flow - Google Patents
On-line sampling device of liquid with multi-phase flow Download PDFInfo
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- CN201851118U CN201851118U CN2010206157723U CN201020615772U CN201851118U CN 201851118 U CN201851118 U CN 201851118U CN 2010206157723 U CN2010206157723 U CN 2010206157723U CN 201020615772 U CN201020615772 U CN 201020615772U CN 201851118 U CN201851118 U CN 201851118U
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Abstract
The utility model relates to an on-line sampling device of liquid with multi-phase flow, which comprises a container which is uprightly installed, wherein the side face of the upper end of the container is provided with a hole which is connected with an inlet pipeline, a spiral passage with a downward spiral angle is arranged in the container, and the inlet pipeline is connected with an inlet of the spiral passage; and the inner wall of the lower part of the container is welded with an annular liquid storage bin, L-shaped flow-diversion baffle plates are evenly distributed on the inner wall of the container between the liquid storage bin and an outlet of the spiral passage, the upper end of the container is connected with a gas discharging pipeline, the lower end of the container is connected with a discharging pipeline of a process system, and the bottom end of the liquid storage bin is connected to the inside of a liquid sampling and discharging pipeline. The utility model has a novel design, a simple structure, no movable component, high safety and reliability, convenience in installation, a low cost, good applicability, large sampling quantity and high sampling accuracy and has an obvious benefit for lowering the product cost of a multi-phase metering product and enhancing the measurement accuracy of the phase division rate.
Description
Technical field
The utility model relates to online liquid sampling technical field of not separating measuring products in the oil field oil recovery manufacturing process, particularly a kind of multiphase flow liquid on-line sampler.
Background technology
Production metering of oil wells is one of requisite basic work in oil reservoir dynamic studies and the field production management process.In recent years, multi-phase flowmeter is with the comparative advantages of aspects such as its advanced technology, expense input, aspect production metering of oil wells, obtained the favor of increasing oil company, wherein measured and be not subjected to advantage that fluid phase state variable effect, measurement component contact with fluid and a large amount of use with gamma ray; But it is under the condition of oil gas water three phase fluid, and measuring precision of water content in water increases and reduces along with gas content, promptly causes the crude oil measurement precision relatively poor under high void fraction condition, can not satisfy the demand that oil reservoir dynamic management or field produces are optimized.For this reason, some multi-phase flowmeter manufacturers adopt manual sample examination, later stage inverse modification method remedy in the defective of measuring precision of water content in water difference under the high gassiness condition, but manual sampling is little because of its sample frequency, be subject to influences such as oil well production operating mode, human factor, sample representativeness is poor, the sample examination result differs and represents the situation of oil well actual production surely, also just is not enough to revise continuous data.Also having some multi-phase flowmeters then is by increasing gas-liquid separator at inlet, pre-separation part gas, reducing gas content measures, though the method can improve the certainty of measurement of moisture content, but increased gas-liquid separator, and isolated gas needs also corresponding single phase gas flow meter to measure, simultaneously supporting automatic valve, need complicated control system, cause the multi-phase flowmeter complex structure, cost is higher and reduced its applicability.
The utility model content
Technical problem to be solved in the utility model is exactly that representativeness when avoiding manual sampling is poor, and complex structure behind the increase gas-liquid separator, cost is high and shortcoming such as poor for applicability, use the on-line automatic sampling of special design structure realization liquid, sample representation is not subjected to variable effects such as operating mode, dielectric viscosity, pressure, temperature, simplify product structure, improve the applicability of product, improve a kind of novel multiphase flow liquid on-line sampler of moisture content meter accuracy of measurement.
Technical problem of the present utility model adopts following technical proposals to solve:
A kind of multiphase flow liquid on-line sampler comprises a container of vertically installing, and in the perforate of container upper end side, the joint access pipeline is established a downward Luo Dao of angle in the shape of a spiral in container, and inlet duct enters the mouth with Luo Dao and joins; The lower inner wall of container is welded with the ring-type containing liquid chamber, on the container inner wall between containing liquid chamber and the Luo Dao outlet, be evenly distributed with " L " shape drainage baffle plate, container upper end connects the gas outlet pipe road, the discharge line of termination process system under the container, the bottom of containing liquid chamber is inserted in the liquid sampling discharge line.
Described liquid sampling discharge line downstream connects the measurement of water ratio instrument.
Described ring-type containing liquid chamber and container radially are provided with 10～30 degree inclination angles.
The exit end face of end distance Luo Dao is 0.3～0.5 times of container diameter on described " L " shape drainage plate.
The utility model is used reasonable structural design realization liquid and is taken a sample automatically, the sampling degree of accuracy is not subjected to variable effects such as operating mode, dielectric viscosity, pressure, temperature, it is poor promptly to have overcome manual samples' representativeness, gas-liquid cyclone separator complex structure, defective such as poor for applicability.Have that movable member novel in design, simple in structure, no, safe and reliable, easy for installation, with low cost, Maintenance free and sampling amount are big, the sampling precision advantages of higher, heterogeneous measuring products is reduced product cost, and improving the phase fraction measurement precision has remarkable benefit.
Description of drawings
Fig. 1 is the utility model structural representation.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further elaborated:
The utility model comprises a container 1 of vertically installing, the one downward spiral shell road 3 of angle in the shape of a spiral is set in the container 1, container 1 upper side perforate connects a heterogeneous fluid and enters pipeline 2, and the inlet that heterogeneous fluid enters pipeline 2 and spiral shell road 3 joins, and can force the gas-liquid eddy flow and reaches centrifugation.The lower inner wall of container 1 is welded with ring-type containing liquid chamber 5, and ring-type containing liquid chamber 5 radially is provided with 10～30 degree inclination angles with container 1.Be evenly distributed with " L " shape drainage baffle plate 4 on the container inner wall between containing liquid chamber 5 and the spiral shell road 3, the exit end face in end distance spiral shell road 3 is 0.3～0.5 times of container diameter on " L " shape drainage plate 4.Container 1 upper end connects gas outlet pipe road 7, and container 1 lower end connects the discharge line 6 of process system, drains unnecessary oil gas water three phase fluid.The bottom of containing liquid chamber 5 is inserted in the liquid sampling discharge line 8.Liquid sampling discharge line 8 downstreams connect measurement of water ratio instrument 9.
The course of work of the present utility model is:
After the heterogeneous fluid that comprises oil gas water three phase or similar medium enters pipeline 2 and enters container by heterogeneous fluid from the top of container 1, downward eddy flow under the positive action in spiral shell road 3, the heavier liquid of quality moves to chamber wall along tangent line, the gas of lighter weight then moves and realizes the part gas-liquid separation to the center, and isolated portion gas is discharged from the top gas discharge line 7 of container rapidly; Liquid along the downward eddy flow of chamber wall carries portion gas after Luo Dao outlet outflow, position at downward 0.3～0.5 times of container diameter, collide " L " shape drainage baffle plate 4, " L " drainage baffle plate upper end open area is big and the lower ending opening area is little, and extend to ring-type containing liquid chamber 5 middle parts with 30 degree angles, after rotating liquid carries portion gas and the collision of " L " shape drainage plate, eliminate rotation function, gas in the liquid is further separated, and the profit in the liquid then mixes under the collision effect, and liquid enters the ring-type containing liquid chamber along " L " shape drainage plate afterwards; The ring-type containing liquid chamber is along the inclination angle that 10～30 degree are radially arranged of container; the interface of taking over liquid sampling is in minimum point; guarantee that ring-type containing liquid chamber inner fluid all is in flow regime; avoid localized liquid static and cause water-oil separating; when the amount that take over to flow out from liquid sampling when entering the liquid of ring-type containing liquid chamber; in the ring-type containing liquid chamber behind the filled with fluid, excess liquid can be overflowed and is discharged to the downstream process system from the outlet and the portion gas of container bottom technology discharge line 6.
After being full of liquid in the ring-type containing liquid chamber, gas in the container can not enter liquid sampling discharge line 8, having flowing liquid only carries and is partly dissolved gas or bubble and flows into probe tube, but its void fraction is low to the precision that is not enough to influence measurement of water ratio, and liquid is in dynamic flow, profit does not separate, so enter that the fluid of liquid sampling pipeline has in real time, low gas content and can represent the liquid condition of oil well production, realize real-time, online liquid sampling, can satisfy the in real time accurate Testing requirement of heterogeneous fluid moisture content.
This shows that this sampler can obtain liquid-like liquid representative, low gas content in bigger range of flow.
Claims (4)
1. multiphase flow liquid on-line sampler, comprise a container (1) of vertically installing, establish a downward Luo Dao (3) of angle in the shape of a spiral in the container (1), container (1) upper portion side wall connects a heterogeneous fluid and enters pipeline (2), and the inlet that heterogeneous fluid enters pipeline (2) and Luo Dao (3) joins; Container (1) lower inner wall is provided with ring-type containing liquid chamber (5), on the container inner wall between containing liquid chamber (5) and the Luo Dao (3), be evenly distributed with " L " shape drainage baffle plate (4), container (1) upper end connects gas outlet pipe road (7), container (1) is termination process system discharge line (6) down, and the bottom of described containing liquid chamber (5) is inserted in the liquid sampling discharge line (8).
2. multiphase flow liquid on-line sampler according to claim 1 is characterized in that described liquid sampling discharge line (8) downstream connects a measurement of water ratio instrument (9).
3. multiphase flow liquid on-line sampler according to claim 1 is characterized in that described ring-type containing liquid chamber (5) and container (1) radially are provided with 10～30 degree inclination angles.
4. multiphase flow liquid on-line sampler according to claim 1 is characterized in that it is 0.3～0.5 times of container diameter that described " L " shape drainage plate (4) is gone up the exit end face of end distance Luo Dao (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206157723U CN201851118U (en) | 2010-11-14 | 2010-11-14 | On-line sampling device of liquid with multi-phase flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206157723U CN201851118U (en) | 2010-11-14 | 2010-11-14 | On-line sampling device of liquid with multi-phase flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201851118U true CN201851118U (en) | 2011-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206157723U Expired - Lifetime CN201851118U (en) | 2010-11-14 | 2010-11-14 | On-line sampling device of liquid with multi-phase flow |
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| Country | Link |
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| CN (1) | CN201851118U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102465701A (en) * | 2010-11-14 | 2012-05-23 | 兰州海默科技股份有限公司 | On-line sampling device for multi-phase flow liquid |
| CN112554877A (en) * | 2020-12-08 | 2021-03-26 | 中国石油大学(华东) | Multi-phase metering sampling device with adjustable shunt ratio |
-
2010
- 2010-11-14 CN CN2010206157723U patent/CN201851118U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102465701A (en) * | 2010-11-14 | 2012-05-23 | 兰州海默科技股份有限公司 | On-line sampling device for multi-phase flow liquid |
| CN102465701B (en) * | 2010-11-14 | 2014-09-24 | 兰州海默科技股份有限公司 | On-line sampling device for multi-phase flow liquid |
| CN112554877A (en) * | 2020-12-08 | 2021-03-26 | 中国石油大学(华东) | Multi-phase metering sampling device with adjustable shunt ratio |
| CN112554877B (en) * | 2020-12-08 | 2022-08-26 | 中国石油大学(华东) | Multi-phase metering sampling device with adjustable shunt ratio |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110601 Effective date of abandoning: 20140924 |
|
| RGAV | Abandon patent right to avoid regrant |