CN203948945U - Crude oil separation buffering multiphase metering device - Google Patents
Crude oil separation buffering multiphase metering device Download PDFInfo
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- CN203948945U CN203948945U CN201320800273.5U CN201320800273U CN203948945U CN 203948945 U CN203948945 U CN 203948945U CN 201320800273 U CN201320800273 U CN 201320800273U CN 203948945 U CN203948945 U CN 203948945U
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- Prior art keywords
- gas
- liquid
- separation buffer
- connects
- buffer tank
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- 238000000926 separation method Methods 0.000 title claims abstract description 54
- 239000010779 crude oil Substances 0.000 title claims abstract description 11
- 230000003139 buffering effect Effects 0.000 title 1
- 239000007788 liquid Substances 0.000 claims abstract description 58
- 239000007791 liquid phase Substances 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims description 44
- 239000012530 fluid Substances 0.000 claims description 15
- 239000007792 gaseous phase Substances 0.000 claims description 13
- 238000005485 electric heating Methods 0.000 claims description 4
- 239000012071 phase Substances 0.000 abstract description 12
- 239000003921 oil Substances 0.000 description 9
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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- Measuring Volume Flow (AREA)
Abstract
A crude oil separation buffer multiphase metering device belongs to the technical field of phase metering devices. The upper end of one side of the separation buffer tank is connected with a cyclone separator, the cyclone separator is connected with a medium inlet through a first valve pipe fitting, and the safety relief valve is communicated with the cyclone separator through a tee joint; a safe discharge pipeline is arranged on the right side of a gas phase outlet of the separation buffer tank and is connected with a safe discharge valve at the top of the cyclone separator through the safe discharge pipeline, the upper end of one side of the separation buffer tank is respectively provided with the gas phase outlet and a gas supply pipeline, the gas phase outlet is connected with a gas filter, the other end of the gas filter is connected with a gas flowmeter, the other end of the gas flowmeter is connected with a gas check valve, the other end of the gas check valve is connected with the input end of a gas-liquid mixer, and the lower end of; the liquid phase outlet is connected with a liquid filter, and the other end of the liquid filter is connected with a liquid flowmeter. The utility model has high metering accuracy and good repeatability, and is not influenced by oil-gas flow pattern and flow state; the operation management cost is low; the structure is compact.
Description
Technical field
The utility model relates to the heterogeneous measuring apparatus of a kind of crude oil separation buffer, belongs to phase measuring apparatus technical field.
Background technique
Oil and gas multiphase flow technique is extensively extended to each elephant as a kind of advanced person's conveying technology.Due to the inhomogeneous mixing of mixed defeated medium, the factor impact such as the variation of phase variable flow state is various, makes heterogeneous metering be very limited in using scope.
Oil and gas multiphase flow technique, all without heterogeneous metering section, causes existing gathering system to grasp oil well production dynamic at present, evaluates utilization rate and mixing pump efficiency.In addition, the factor such as the recovery utilization rate of associated gas and oil, gas, the ratio of water three-phase mixed transferring and the uniformity coefficient of medium directly affects the efficiency of mixing pump.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of crude oil separation buffer heterogeneous measuring apparatus.
The heterogeneous measuring apparatus of a kind of crude oil separation buffer, separation buffer tank one side upper end connects cyclone separator, and cyclone separator is by the first valve pipe fitting connecting media entrance, and relief valve communicates with cyclone separator by threeway; There is safety relief pipeline on separation buffer tank gaseous phase outlet right side, connect the relief valve at cyclone separator top by safety relief pipeline, a side upper end from knock out drum is respectively gaseous phase outlet, gas supply line, gaseous phase outlet connects pneumatic filter, the other end of pneumatic filter connects gas flowmeter, the other end of gas flowmeter connects gas check valve, and the other end of gas check valve connects air and liquid mixer input end, and the lower end of separation buffer tank is liquid-phase outlet; Liquid-phase outlet connects liquid filter, the other end connecting fluid flowmeter body of liquid filter, the other end of fluid flowmeter connects liquid safety check, the other end of liquid safety check connects another input end of air and liquid mixer, the output terminal of air and liquid mixer connects the second valve pipe fitting, the other end connecting media outlet of the second valve pipe fitting, medium inlet is connected with media outlet by the 3rd valve pipe fitting; Separation buffer tank left side connects explosion-proof electric heating level meter.
Separation buffer tank is horizontal retort body structure, and separation buffer tank is fixed on sledge seat by supporting frame.
The utility model has the advantages that: for the online real time measure of Oil, Water, Gas three-phase of any flow pattern of oil and gas multiphase flow or fluidised form, be applicable to intermittently to carry out liquid, gas-liquid changes oil well measurement greatly; Metering precision is high, reproducible, and not affected by oil gas flow pattern and fluidised form; Operational and administrative expenses is low; Compact structure, integrated sledge dress.
Brief description of the drawings
When considered in conjunction with the accompanying drawings, by the detailed description with reference to below, can more completely understand better the utility model and easily learn wherein many advantages of following, but accompanying drawing described herein is used to provide further understanding of the present utility model, form a part of the present utility model, schematic description and description of the present utility model is used for explaining the utility model, does not form to improper restriction of the present utility model, wherein:
Fig. 1 is structural representation of the present utility model.
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Embodiment
Obviously the many modifications and variations that, those skilled in the art do based on aim of the present utility model belong to protection domain of the present utility model.
Embodiment 1: as shown in Figure 1, the heterogeneous measuring apparatus of a kind of crude oil separation buffer, separation buffer tank 4 is horizontal retort body structure, separation buffer tank 4 one side upper ends connect cyclone separator 2, cyclone separator 2 is by the first valve pipe fitting connecting media entrance 1, and relief valve 3 communicates with cyclone separator 2 by threeway; There is safety relief pipeline on separation buffer tank 4 gaseous phase outlet right sides, connect the relief valve 3 at cyclone separator 2 tops by safety relief pipeline, a side upper end from knock out drum 4 is respectively gaseous phase outlet, gas supply line 5, gaseous phase outlet connects pneumatic filter 6, the other end of pneumatic filter 6 connects gas flowmeter 7, the other end of gas flowmeter 7 connects gas check valve 8, and the other end of gas check valve 8 connects air and liquid mixer 12 input ends, and the lower end of separation buffer tank 4 is liquid-phase outlet; Liquid-phase outlet connects liquid filter 9, the other end connecting fluid flowmeter body 10 of liquid filter 9, the other end of fluid flowmeter 10 connects liquid safety check 11, the other end of liquid safety check 11 connects another input end of air and liquid mixer 12, the output terminal of air and liquid mixer 12 connects the second valve pipe fitting, the other end connecting media outlet 13 of the second valve pipe fitting, medium inlet 1 is connected with media outlet 13 by the 3rd valve pipe fitting; Separation buffer tank 4 left sides connect explosion-proof electric heating level meter 15, and separation buffer tank 4 is fixed on sledge seat 14 by supporting frame.
Embodiment 2: the heterogeneous measuring apparatus of a kind of crude oil separation buffer, is applicable to intermittently to carry out liquid, gas-liquid changes greatly, the heterogeneous online real time measure of oil well, supercharging point that change of flow state is various; Except realizing three-phase accurate measurement, can also realize heterogeneous mixing and carry, be suitable for a varied topography, well number is many, low permeability oil field oil-gas gathering and transportation needs of high gas-oil ratio (HGOR), to reduce technique, reduction expense, raising mixes defeated efficiency and is convenient to field production management.
As shown in Figure 1, the heterogeneous measuring apparatus of a kind of crude oil separation buffer, at least comprise separation buffer tank 4, separation buffer tank 4 is horizontal retort body structure, separation buffer tank 4 one side upper ends connect cyclone separator 2, cyclone separator 2 is connected by valve pipe fitting by medium inlet 1 with mixed medium, is gaseous phase outlet from knock out drum 4 opposite side upper ends, and separation buffer tank 4 opposite side lower ends are liquid-phase outlet; Described gaseous phase outlet is connected with gas check valve 8 by pneumatic filter 6, gas flowmeter 7, connects air and liquid mixer 12 input ends by gas check valve 8; Described liquid-phase outlet is connected with liquid safety check 11 by liquid filter 9, fluid flowmeter 10, connects air and liquid mixer 12 input ends by liquid safety check 11; Air and liquid mixer 12 communicates with media outlet 13, by media outlet 13, enters subordinate station.
Have gas supply line 5 in separation buffer tank 4 gaseous phase outlet left sides, gas supply line 5 communicates with separation buffer tank 4.
Have safety relief pipeline on separation buffer tank 4 gaseous phase outlet right sides, connect the relief valve 3 at cyclone separator 2 tops by safety relief pipeline, relief valve 3 communicates with cyclone separator 2 by threeway.
Mixed medium enters cyclone separator 2 by medium inlet 1, oil in mixed medium, the centrifugal force that gas-liquid mixture relies on eddy flow to produce are realized the initial gross separation of gas-liquid, gas-liquid two-phase after separation enters separation buffer tank 4 under the effect of pressure, liquid phase and gas phase cushion at separation buffer tank 4, further separate by gravitational settling.
Gas phase further departs from lateral line output from separation buffer tank after droplet through catching sundries.Liquid phase, through of short duration sedimentation, discharges and dissolves bubble, lateral line output from separation buffer tank.Isolated gas can, by gas supply line 5 to oven air feed, use for fuel.In the time that separation buffer tank 4 exceedes working pressure, relief valve 3 is opened release pressure, safeguards system smooth running.
Gas after separation is by pneumatic filter 6, and gas flowmeter 7 is realized gas dosing;
Liquid after separation is by liquid filter 9, and fluid flowmeter 10 is realized liquid quality and density integrating, obtains fuel-displaced and water flow data.
In order to prevent that gas from playing a reversed role, the gaseous fluid after metering enters air and liquid mixer 12 through gas check valve 8;
In order to prevent that liquid from playing a reversed role, the liquid phase fluid after metering enters air and liquid mixer 12 through liquid safety check 11; Air and liquid mixer 12, by being fixed on the mixed cell internals in pipe, makes gas produce cutting, shearing, the rotation of fluid and again mix with liquid, reaches the two fine dispersion and well-mixed object.Enter through air and liquid mixer 12 abundant mixed fluid that mixing pump is mixed transports to media outlet 13, enter subordinate station.
Separation buffer tank 4 is fixed on sledge seat 14 by supporting frame, makes separation buffer tank 4 maintenance levels in the horizontal direction.
There is explosion-proof electric heating level meter 15 in separation buffer tank 4 left sides, have valve isolation between medium inlet 1 and media outlet 13.
Described cyclone separator is to rely on the centrifugal force of eddy flow generation to realize the efficient separation of gas-liquid.
Described separation buffer tank, utilize gas different from the density of liquid, liquid and gas are mixed while flowing, stop if run into, gas is understood baffling and is walked, and liquid is due to inertia, continues to have a speed forward, liquid is forward attached to and stops that on wall, the effect due to gravity pools together downwards, realizes further efficient separation of gas-liquid.Gas-liquid medium is cushioned simultaneously, make system works more steady.
Described air and liquid mixer is a kind of high-efficiency mixing device, by being fixed on the mixed cell internals in pipe, makes gas produce cutting, shearing, the rotation of fluid and again mix with liquid, reaches the two fine dispersion and well-mixed object.Prevent that gas-liquid road from playing a reversed role simultaneously.
Described fluid flowmeter is quality and density flowmeter, for fluid provides accurate measurement.
Described gas flowmeter is vortex-shedding meter, for gas provides accurate measurement.
As mentioned above, embodiment of the present utility model is explained, but as long as not departing from fact inventive point of the present utility model and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, within such variation is also all included in protection domain of the present utility model.
Claims (2)
1. the heterogeneous measuring apparatus of crude oil separation buffer, is characterized in that separation buffer tank one side upper end connects cyclone separator, and cyclone separator is by the first valve pipe fitting connecting media entrance, and relief valve communicates with cyclone separator by threeway; There is safety relief pipeline on separation buffer tank gaseous phase outlet right side, connect the relief valve at cyclone separator top by safety relief pipeline, a side upper end from knock out drum is respectively gaseous phase outlet, gas supply line, gaseous phase outlet connects pneumatic filter, the other end of pneumatic filter connects gas flowmeter, the other end of gas flowmeter connects gas check valve, and the other end of gas check valve connects air and liquid mixer input end, and the lower end of separation buffer tank is liquid-phase outlet; Liquid-phase outlet connects liquid filter, the other end connecting fluid flowmeter body of liquid filter, the other end of fluid flowmeter connects liquid safety check, the other end of liquid safety check connects another input end of air and liquid mixer, the output terminal of air and liquid mixer connects the second valve pipe fitting, the other end connecting media outlet of the second valve pipe fitting, medium inlet is connected with media outlet by the 3rd valve pipe fitting; Separation buffer tank left side connects explosion-proof electric heating level meter.
2. the heterogeneous measuring apparatus of a kind of crude oil separation buffer according to claim 1, is characterized in that separation buffer tank is horizontal retort body structure, and separation buffer tank is fixed on sledge seat by supporting frame.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320800273.5U CN203948945U (en) | 2013-12-06 | 2013-12-06 | Crude oil separation buffering multiphase metering device |
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CN201320800273.5U CN203948945U (en) | 2013-12-06 | 2013-12-06 | Crude oil separation buffering multiphase metering device |
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CN203948945U true CN203948945U (en) | 2014-11-19 |
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CN201320800273.5U Expired - Fee Related CN203948945U (en) | 2013-12-06 | 2013-12-06 | Crude oil separation buffering multiphase metering device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111022034A (en) * | 2019-12-23 | 2020-04-17 | 西安长庆科技工程有限责任公司 | Station multiphase metering integrated device and metering method |
CN116518305A (en) * | 2023-05-12 | 2023-08-01 | 延安众邦源实业有限公司 | Liquid-dominant multiphase supercharging device and method |
-
2013
- 2013-12-06 CN CN201320800273.5U patent/CN203948945U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111022034A (en) * | 2019-12-23 | 2020-04-17 | 西安长庆科技工程有限责任公司 | Station multiphase metering integrated device and metering method |
CN111022034B (en) * | 2019-12-23 | 2024-01-23 | 西安长庆科技工程有限责任公司 | Station yard multiphase metering integrated device and metering method |
CN116518305A (en) * | 2023-05-12 | 2023-08-01 | 延安众邦源实业有限公司 | Liquid-dominant multiphase supercharging device and method |
CN116518305B (en) * | 2023-05-12 | 2024-03-19 | 延安众邦源实业有限公司 | Liquid-dominant multiphase supercharging device and method |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20211206 |