CN215860132U - Gas-containing crude oil metering device for single well mouth and small well site - Google Patents
Gas-containing crude oil metering device for single well mouth and small well site Download PDFInfo
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- CN215860132U CN215860132U CN202122134311.5U CN202122134311U CN215860132U CN 215860132 U CN215860132 U CN 215860132U CN 202122134311 U CN202122134311 U CN 202122134311U CN 215860132 U CN215860132 U CN 215860132U
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Abstract
The utility model discloses a gas-containing crude oil metering device for a single well mouth and a small well site, which comprises a main pipeline and a branch pipeline, wherein the main pipeline is integrally arranged in a shape of '21274', and comprises an inlet pipeline, an inlet valve, a front pipeline of a gas eliminator, a filtering gas eliminator, a rear pipeline of the gas eliminator, a gas-liquid mass flowmeter, a short connecting pipe behind a meter, an outlet valve, a check valve and an outlet pipeline which are sequentially connected end to end, wherein the rear pipeline of the gas eliminator adopts a U-shaped pipe. This a contain gas crude oil metering device for single well head and small-size well site can be under the medium contains the operating mode of gas, need not splitter and just can realize directly measuring medium crude oil mass flow, moisture content, temperature, density isoparametric, and whole measurement process is very simple and convenient, need not to clear minute the gas-liquid two-phase flow, reduces whole volume of equipment and area, and it is more convenient to make the maintenance of device maintain simultaneously, reduces the influence to normal production.
Description
Technical Field
The utility model relates to the field of measurement, in particular to a gas-containing crude oil metering device for a single-well wellhead and a small well site.
Background
Based on the requirements of oil field production management and process measure effect feedback, production planning and monitoring are carried out for the convenience of oil field production departments to know the yield condition in time, and parameter changes such as liquid production amount, water content and the like are known in time to be used as the evaluation and reference of exploration and process measures (water injection, pressurization and the like). Therefore, the method has important significance for accurately measuring the data such as daily liquid production amount, water content, gas content and the like of a single well or a single well site.
However, crude oil directly produced at a wellhead usually contains associated gas, colloid, solid impurities and other components, and the metering medium belongs to the working condition of two-phase flow and even three-phase flow. The traditional metering equipment needs to separate a multiphase flow to realize accurate metering. However, such separation equipment is generally large in size and high in acquisition cost, and is difficult to apply to metering occasions with wide distribution, large quantity and limited installation space, such as single wells or well sites.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a gas-containing crude oil metering device for a single well mouth and a small well site, which can directly meter the parameters of crude oil mass flow, water content, temperature, density and the like in a medium under the working condition of gas-containing medium without separation equipment, reduce the whole volume and floor area of the equipment, and solve the problems that the existing gas-containing crude oil metering device has larger volume and high acquisition cost, and is difficult to be applied to metering occasions with wide distribution, large quantity and limited installation space of the single well or the well site.
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a contain gas crude oil metering device for single well head and small-size well site, includes main way pipeline and branch road pipeline, the whole one-tenth of main way pipeline 21274, the shape setting, it includes inlet pipeline, inlet valve, preceding pipeline of air eliminator, filtration air eliminator, pipeline behind the air eliminator, gas-liquid type mass flowmeter, behind the table nipple, outlet valve, check valve and the outlet conduit that connect gradually end to end, pipeline adoption U-shaped pipe behind the air eliminator.
The branch pipeline comprises branch pipes, the two ends of each branch pipe are respectively connected with the inlet pipeline and the outlet pipeline, a bypass valve is arranged on each branch pipe, an angle-type one-way valve and an air pipe are further connected to the branch pipe between the bypass valve and the outlet pipeline, the inlet end of the air pipe is connected with an air outlet at the top end of the filtering air eliminator, and the inlet end of the angle-type one-way valve is connected with a front pipeline of the air eliminator.
Further inject, the trunk line is fixed on the bottom plate through the support welding, the number of the supports is three, and the supports are respectively positioned in the middle of the front pipeline of the air eliminator, the middle of the outlet pipeline and the middle of the rear pipeline of the air eliminator.
Further limiting, a pressure gauge, a sampling valve and a water content analyzer are arranged on the pipeline behind the air eliminator.
Further limit, three support legs are welded to the outer side of the bottom of the filtering air eliminator at equal intervals, and the support legs are connected with the bottom plate through bolts.
Further, the two ends of the branch pipe are respectively perpendicular to the inlet pipeline and the outlet pipeline.
The utility model has the following beneficial effects: this a contain gas crude oil metering device for single well head and small-size well site can be under the medium contains the operating mode of gas, need not splitter and just can realize directly measuring medium crude oil mass flow, moisture content, temperature, density isoparametric, and whole measurement process is very simple and convenient, need not to clear minute the gas-liquid two-phase flow, reduces whole volume of equipment and area, and it is more convenient to make the maintenance of device maintain simultaneously, reduces the influence to normal production.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a top view of the present invention.
In the figure: 1. an inlet duct; 2. an inlet valve; 3. a front pipeline of the air eliminator; 4. a filtering air eliminator; 5. a post-deaerator pipeline; 6. a pressure gauge; 7. a sampling valve; 8. a gas-liquid mass flow meter; 9. a short connecting pipe behind the watch; 10. an outlet valve; 11. a check valve; 12. an outlet conduit; 13. a bypass valve; 14. an angle check valve; 15. a branch pipe; 16. an air tube; 17. a moisture analyzer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a contain gas crude oil metering device for single well head and small-size well site, includes main path pipeline and branch road pipeline, and the main path pipeline is whole to be the dotted line portion in fig. 2, the shape setting is to reduce area, makes the structure compacter, and it includes inlet pipe 1, inlet valve 2, preceding pipeline 3 of air eliminator, filter air eliminator 4, pipeline 5 behind the air eliminator, gas-liquid type mass flowmeter 8, table back nipple 9, outlet valve 10, check valve 11 and outlet pipe 12 that connect gradually end to end, pipeline 5 adopts the U-shaped pipe behind the air eliminator.
The branch pipeline comprises a branch pipe 15, the two ends of the branch pipe are respectively connected with the inlet pipeline 1 and the outlet pipeline 12, a bypass valve 13 is arranged on the branch pipe 15, an angle type one-way valve 14 and an air pipe 16 are further connected to the branch pipe 15 between the bypass valve 13 and the outlet pipeline 12, the inlet end of the air pipe 16 is connected with an air outlet at the top end of the filtering air eliminator 4, and the inlet end of the angle type one-way valve 14 is connected with the front pipeline 3 of the air eliminator.
The main pipeline is fixed on the bottom plate through the support welding, the number of the supports is three, and the supports are respectively positioned in the middle of the front pipeline 3 of the air eliminator, the outlet pipeline 12 and the rear pipeline 5 of the air eliminator.
Install on the pipeline 5 behind the air eliminator and install manometer 6, sample valve 7 and moisture analyzer 17, manometer 6 on the pipeline 5 behind the air eliminator can measure the pressure of the fluid medium in the pipeline, and sample valve 7 is used for satisfying the demand of user's medium sample chemical examination, and moisture analyzer 17 carries out real-time online analysis to the moisture content of the liquid medium in the two-phase fluid.
Three support legs are welded on the outer side of the bottom of the filtering air eliminator 4 at equal intervals and are connected with the bottom plate through bolts.
The two ends of the branch pipe 15 are respectively perpendicular to the inlet pipe 1 and the outlet pipe 12.
When the equipment works, a three-phase fluid medium enters the equipment through an inlet pipeline 1, enters a filtering air eliminator 4 through an inlet valve 2 and an air eliminator front pipeline 3, the three-phase fluid is filtered and eliminated in the filtering air eliminator 4, most solid particles are left in a filter screen of the filtering air eliminator 4, and a part of the expanded and bubble-removed gas passes through the filtering air eliminator 4 and is converged into an outlet pipeline 12 through an air pipe 16; the fluid flowing out of the filtering air eliminator 4 becomes gas-liquid two-phase fluid, and the gas-liquid two-phase fluid enters the gas-liquid mass flowmeter 8 through the air eliminator rear pipeline 5; before the two-phase fluid enters the gas-liquid type mass flowmeter 8, a water content analyzer 17 on a pipeline 5 behind the gas eliminator carries out real-time online analysis on the water content of a liquid medium in the two-phase fluid, a pressure gauge 6 on the pipeline 5 behind the gas eliminator can measure the pressure of the liquid medium in the pipeline, a sampling valve 7 is used for meeting the requirement of user medium sampling and testing, the gas-liquid type mass flowmeter 8 can measure the mass flow of the liquid in the fluid medium under the condition that the medium contains gas, and simultaneously, the influence of the gas in the medium on a measurement result is removed during measurement through parameters during operation, so that the mass flow of the liquid medium flowing through the flowmeter is measured under the condition that the gas and the liquid are not separated; the metered fluid exits the apparatus via outlet valve 10, check valve 11, outlet conduit 12. The whole metering process is very simple and convenient, the gas-liquid two-phase flow does not need to be separated, and the whole volume and the occupied area of the equipment are reduced.
The bypass valve 13 is closed under the condition that the equipment normally works, the fluid medium flows out after passing through the equipment on the main pipeline, when the main pipeline equipment needs to be checked or maintained, the fluid medium can directly flow out of the equipment through the bypass valve 13 by opening the bypass valve 13 and closing the inlet valve 2 and the outlet valve 10, the on-site well shut-down caused by equipment problems is avoided, the maintenance of the device is more convenient, and the influence on normal production is reduced.
Angle formula check valve 14 is in the closed condition under normal conditions, when equipment such as filtration air eliminator 4 and gas-liquid type mass flow meter 8 cause equipment entry and export pressure differential too big because of blockking up, angle formula check valve 14 can open according to pressure differential change is automatic, will originally need the direct 3 guide to outlet pipe 12 from air eliminator front pipeline of the fluid of flowing through filtration air eliminator 4 and gas-liquid type mass flow meter 8, avoid causing equipment to suppress because of equipment blocks up, damage other equipment on the pipeline, thereby the security of equipment operation has been improved.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A gassy crude oil metering device for single well wellhead and small well site, comprising a main pipeline and a branch pipeline, characterized in that: the main pipeline is integrally arranged in a shape of '21274', and comprises an inlet pipeline (1), an inlet valve (2), a front pipeline (3) of a gas eliminator, a filtering gas eliminator (4), a rear pipeline (5) of the gas eliminator, a gas-liquid mass flowmeter (8), a rear short connecting pipe (9), an outlet valve (10), a check valve (11) and an outlet pipeline (12), which are sequentially connected end to end, wherein the rear pipeline (5) of the gas eliminator is a U-shaped pipe;
the branch pipeline comprises branch pipes (15) connected with the inlet pipeline (1) and the outlet pipeline (12) at two ends, a bypass valve (13) is arranged on each branch pipe (15), an angle type one-way valve (14) and an air pipe (16) are further connected to each branch pipe (15) between each bypass valve (13) and the corresponding outlet pipeline (12), the inlet end of each air pipe (16) is connected with an air outlet in the top end of the corresponding filtering air eliminator (4), and the inlet end of each angle type one-way valve (14) is connected with the front pipeline (3) of the corresponding air eliminator.
2. The apparatus of claim 1, wherein the apparatus comprises: the main pipeline is fixed on the bottom plate through the support in a welded mode, the number of the supports is three, and the supports are located in the middle of the front pipeline (3) of the air eliminator, the middle of the outlet pipeline (12) of the air eliminator and the middle of the rear pipeline (5) of the air eliminator respectively.
3. The apparatus of claim 1, wherein the apparatus comprises: and a pressure gauge (6), a sampling valve (7) and a water content analyzer (17) are arranged on the post pipeline (5) of the air eliminator.
4. The apparatus of claim 2, wherein the apparatus comprises: three support legs are welded on the outer side of the bottom of the filtering air eliminator (4) at equal intervals and are connected with the bottom plate through bolts.
5. A live crude oil metering device for use at a single well wellhead and at a small well site as claimed in any one of claims 1 to 4 wherein: and two ends of the branch pipe (15) are respectively vertical to the inlet pipeline (1) and the outlet pipeline (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122134311.5U CN215860132U (en) | 2021-09-06 | 2021-09-06 | Gas-containing crude oil metering device for single well mouth and small well site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122134311.5U CN215860132U (en) | 2021-09-06 | 2021-09-06 | Gas-containing crude oil metering device for single well mouth and small well site |
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| CN215860132U true CN215860132U (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122134311.5U Active CN215860132U (en) | 2021-09-06 | 2021-09-06 | Gas-containing crude oil metering device for single well mouth and small well site |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116045214A (en) * | 2023-04-03 | 2023-05-02 | 南京荣晟自动化设备有限公司 | Tank wagon metering unloading pry and use method thereof |
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2021
- 2021-09-06 CN CN202122134311.5U patent/CN215860132U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116045214A (en) * | 2023-04-03 | 2023-05-02 | 南京荣晟自动化设备有限公司 | Tank wagon metering unloading pry and use method thereof |
| CN116045214B (en) * | 2023-04-03 | 2023-06-02 | 南京荣晟自动化设备有限公司 | Tank wagon metering unloading pry and use method thereof |
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