CN201554460U - Multiphase flow gas real-time on-line dedicated gas sample collector - Google Patents
Multiphase flow gas real-time on-line dedicated gas sample collector Download PDFInfo
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- CN201554460U CN201554460U CN 200920144260 CN200920144260U CN201554460U CN 201554460 U CN201554460 U CN 201554460U CN 200920144260 CN200920144260 CN 200920144260 CN 200920144260 U CN200920144260 U CN 200920144260U CN 201554460 U CN201554460 U CN 201554460U
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Abstract
The utility model provides a multiphase flow gas real-time on-line dedicated gas sample collector. The gas sample collector mainly comprises a set of compact and high-efficiency gas-liquid separation container body, an inlet pre-separation pipe connected with the gas-liquid separation container body, an inlet isolation valve, an outlet isolation valve, a plurality of main pipeline manual regulating valves, etc, wherein a gas sampling bottle is connected with the top of the gas-liquid separation container body; and a fluid preclusion pipeline is connected with the bottom of the gas-liquid separation container body. The dedicated gas sample collector is mounted in parallel on the main pipeline of a multiple-phase flow meter, so as to lead partial fluid output from an oil well into the sample collector, and complete gas sampling when gas-liquid interface is stable basically and the fluid flows in and out from the sample collector under the condition of dynamic balance. The utility model has the advantages of novel design, simple structure, compact dimension, safety and reliability, convenient installation and low cost, and can efficiently extend the functions of conventional multiphase metering without considerably increasing the dimension, weight and cost thereof.
Description
Technical field
The utility model relates to the online gas sampling technique field of not separating the measuring products field of field produces, particularly a kind of multiphase flow gas real-time online special gas sampler.
Background technology
In the field production management process, for monitoring the dynamic change of oil wells feature, make full use of the associated gas resource, take suitable pipeline and equipment anticorrosion measure and carrying out production optimization research, all need in time to obtain oil well associated gas sample and related characteristics parameter thereof.Traditional production metering of oil wells mainly adopts the test separator technology of afterwards measuring of separating earlier, promptly allow the oil well produced fluid earlier by two-phase or three phase separator carry out gas, liquid separation or gas, oil, moisture from, measure by single-phase instrument respectively again, when needing the gas sample of oil well, can be easily obtain at the gas circuit pipeline of eliminator.In recent years, multi-phase flowmeter taking up room and the comparative advantages of aspect such as expense input, has obtained the favor of increasing oil company, in alternative traditional production metering of oil wells pattern with it aspect production metering of oil wells; But do not need to carry out oil and gas and water from work characteristics, but caused onlinely having multi-phase flowmeter to carry out the sampling of oil well associated gas.
The utility model content
Technical problem to be solved in the utility model is exactly to overcome the deficiency that multi-phase flowmeter can not onlinely carry out oil well associated gas sampling, provide a kind of when the multiphase flow condition real-time online get the multiphase flow gas real-time online special gas sampler of gaseous sample.
Technical problem of the present utility model is to adopt following technical proposals to solve:
A kind of multiphase flow gas real-time online special gas sampler, be provided with the gas-liquid separation cylindrical shell, on the sidewall of gas-liquid separation cylindrical shell, connect a downward-sloping inlet pre-separation pipe, the lower end joint access pipeline of inlet pre-separation pipe, suction line is communicated with the Trunk Line of multi-phase flowmeter; Described gas-liquid separation cylindrical shell top connects the gas sample bottle, and gas-liquid separation cylindrical shell bottom connects the fluid discharge pipe line.
Described gas-liquid separation cylindrical shell internal upper part is equipped with two-layer at least mist eliminator, is used for the drop that filtering gas contains, and the middle and lower part is gas-liquid rotational flow separation zone, is used for gas-liquid two-phase and separates.
Described inlet pre-separation pipe is connected with the gas-liquid separation cylindrical shell is tangent, inlet pre-separation pipe downward-sloping with the gas-liquid separation cylindrical shell between the angle of depression be 30～80 to spend.Be used for the initial gross separation of gas-liquid two-phase, and impel fluid separating the cylindrical shell inner eddy flow, for the gas-liquid separation that further separates is prepared.
On described inlet pre-separation pipe and the fluid discharge pipe line import and export isolating valve is housed respectively.
The utility model is installed in parallel on the Trunk Line of multi-phase flowmeter, and the segment fluid flow of oil well output is introduced sampler, and under the condition that reaches the basicly stable and sampler turnover dynamic equilibrium of the inner gas-liquid interface of sampler, finishes the sampling of gaseous sample.The sampling quality is not subjected to variable effects such as flow, operating mode, dielectric viscosity, pressure, temperature, has promptly overcome shortcomings such as three-phase or two phase separator structure are huge, complexity.Have novel in design, simple in structure, compact dimensions, safe and reliable, easy for installation, with low cost, can effectively expand function that has heterogeneous metering now and don't the advantage that increases considerably its size, weight and cost.The utility model makes the multiphase flow metering process survey the precision that gas component has improved the required oil well output data of oil reservoir dynamic studies comparatively accurately because of can directly using on the one hand, make also that on the other hand the function of multi-phase flowmeter is effectively expanded, and is very easy to field production management.
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:
A kind of multiphase flow gas real-time online special gas sampler, be provided with gas-liquid separation cylindrical shell 3, the downward-sloping inlet pre-separation pipe 2 of tangent connection one on the sidewall of gas-liquid separation cylindrical shell 3, inlet pre-separation pipe 2 is advisable with 30～80 degree with the angle of depression that gas-liquid separation cylindrical shell 3 tilts.The lower end joint access pipeline 1 of inlet pre-separation pipe 2, suction line 1 is communicated with the Trunk Line of multi-phase flowmeter.Gas-liquid separation cylindrical shell 3 tops connect the gas sample bottle, and it is the comb line that gas-liquid separation cylindrical shell 3 bottoms connect fluid.In gas-liquid separation cylindrical shell 3, two-layer at least mist eliminator 4 is equipped with on top, and the middle and lower part is gas-liquid rotational flow separation zone.
The course of work of the present utility model is as follows:
Open and import and export isolating valve 7, regulate the manufacturing of Trunk Line valve and dam, the pressure differential between the control gas sample collector is imported and exported is introduced suction line 1 with the segment fluid flow of oil well output in the Trunk Line, finishes the gas-liquid initial gross separation through inlet pre-separation pipe 2; Fluid enters in the gas-liquid separation tube 3 with downward-sloping angle afterwards, and gas-liquid produces eddy flow, and under action of centrifugal force, heavier liquid can flow downward simultaneously to external movement; The gas that weight is lighter then flows to the eddy flow center, and is also upwards mobile at the inner formation of gas sample collector gaseous core, thereby reach the purpose of gas-liquid separation; Isolated associated gas after the mist eliminator 4 on sampler top filters greater than 2 microns drop, again through the sample tap at top to sampling bottle, all the other fluids export through sampler and get back to Trunk Line; After finishing sampling, utilize import and export isolating valve 7 that gas sample collector is isolated.
Influence gas sample quality in order to prevent liquid from entering mist eliminator 4, on sampler, also increased on-the-spot demonstration content gauge 6, operating personnel can monitor the height of liquid level in real time when sampling, when fluid continues to enter the gas-liquid separation cylindrical shell, when finishing the part gas-liquid separation and arrive the turnover balance, content gauge shows that liquid level will fluctuate at low spot, be that liquid level is lower than 200mm, can open sampling needle-valve 5 this moment and get gaseous sample, passing along with sample time, liquid level in the gas-liquid separation cylindrical shell may progressively raise, when content gauge shows that liquid level rises to 1/2 or 2/3 height of setting, need to suspend sampling, and utilize and import and export isolating valve 7 controls and enter the fluid that separates cylindrical shell, so that the control liquid level is avoided scurrying on the liquid to mist eliminator 4.
Claims (6)
1. multiphase flow gas real-time online special gas sampler, it is characterized in that: be provided with gas-liquid separation cylindrical shell (3), on the sidewall of gas-liquid separation cylindrical shell (3), connect a downward-sloping inlet pre-separation pipe (2), the lower end joint access pipeline (1) of inlet pre-separation pipe (2), suction line (1) is communicated with the Trunk Line of multi-phase flowmeter; Described gas-liquid separation cylindrical shell (3) top connects the gas sample bottle, and gas-liquid separation cylindrical shell (3) bottom connects the fluid discharge pipe line.
2. a kind of multiphase flow gas real-time online special gas sampler according to claim 1 is characterized in that described gas-liquid separation cylindrical shell (3) internal upper part is equipped with two-layer at least mist eliminator (4), and the middle and lower part is gas-liquid rotational flow separation zone.
3. a kind of multiphase flow gas real-time online special gas sampler according to claim 1, it is characterized in that described inlet pre-separation pipe (2) and tangent connection of gas-liquid separation cylindrical shell (3), inlet pre-separation pipe (2) downward-sloping with gas-liquid separation cylindrical shell (3) between the angle of depression be 30～80 to spend.
4. a kind of multiphase flow gas real-time online special gas sampler according to claim 1 is characterized in that being equipped with respectively on described suction line (1) and the fluid discharge pipe line import and export isolating valve (7).
5. a kind of multiphase flow gas real-time online special gas sampler according to claim 1 is characterized in that establishing on the connecting line of described gas-liquid separation cylindrical shell (3) top and gas sample bottle a sampling needle-valve (5).
6. a kind of multiphase flow gas real-time online special gas sampler according to claim 1 is characterized in that described gas-liquid separation cylindrical shell (3) outside is provided with content gauge (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920144260 CN201554460U (en) | 2009-11-07 | 2009-11-07 | Multiphase flow gas real-time on-line dedicated gas sample collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920144260 CN201554460U (en) | 2009-11-07 | 2009-11-07 | Multiphase flow gas real-time on-line dedicated gas sample collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201554460U true CN201554460U (en) | 2010-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920144260 Expired - Lifetime CN201554460U (en) | 2009-11-07 | 2009-11-07 | Multiphase flow gas real-time on-line dedicated gas sample collector |
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| CN (1) | CN201554460U (en) |
Cited By (5)
| 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 |
| CN103845960A (en) * | 2014-01-10 | 2014-06-11 | 洛阳瑞泽石化工程有限公司 | On-line type pipeline gas-liquid separator |
| CN105181384B (en) * | 2015-10-16 | 2016-08-17 | 中国石油大学(华东) | A kind of biphase gas and liquid flow proportional sampler |
| CN110274787A (en) * | 2019-07-18 | 2019-09-24 | 甘肃银光聚银化工有限公司 | A kind of two phase flow system sampling recyclable device |
| WO2020151080A1 (en) * | 2019-01-22 | 2020-07-30 | 无锡洋湃科技有限公司 | Self-excited wet gas flow measuring device |
-
2009
- 2009-11-07 CN CN 200920144260 patent/CN201554460U/en not_active Expired - Lifetime
Cited By (8)
| 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 |
| CN103845960A (en) * | 2014-01-10 | 2014-06-11 | 洛阳瑞泽石化工程有限公司 | On-line type pipeline gas-liquid separator |
| CN103845960B (en) * | 2014-01-10 | 2015-05-20 | 洛阳瑞泽石化工程有限公司 | On-line type pipeline gas-liquid separator |
| CN105181384B (en) * | 2015-10-16 | 2016-08-17 | 中国石油大学(华东) | A kind of biphase gas and liquid flow proportional sampler |
| WO2020151080A1 (en) * | 2019-01-22 | 2020-07-30 | 无锡洋湃科技有限公司 | Self-excited wet gas flow measuring device |
| US11946793B2 (en) | 2019-01-22 | 2024-04-02 | Sea Pioneer Technologies Co., Ltd. | Self-excited wet gas flow measuring device |
| CN110274787A (en) * | 2019-07-18 | 2019-09-24 | 甘肃银光聚银化工有限公司 | A kind of two phase flow system sampling recyclable device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100818 |