CN104213901A - Multiphase metering skid-mounted device for low-yield oil well - Google Patents
Multiphase metering skid-mounted device for low-yield oil well Download PDFInfo
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- CN104213901A CN104213901A CN201410432707.XA CN201410432707A CN104213901A CN 104213901 A CN104213901 A CN 104213901A CN 201410432707 A CN201410432707 A CN 201410432707A CN 104213901 A CN104213901 A CN 104213901A
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- 239000003129 oil well Substances 0.000 title abstract 2
- 239000007788 liquid Substances 0.000 claims abstract description 91
- 239000000203 mixture Substances 0.000 claims abstract description 21
- 239000007791 liquid phase Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000005259 measurement Methods 0.000 claims description 20
- 239000012530 fluid Substances 0.000 claims description 13
- 230000008676 import Effects 0.000 claims description 10
- 239000012808 vapor phase Substances 0.000 claims description 10
- 230000002441 reversible effect Effects 0.000 claims description 7
- 239000012071 phase Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 239000010779 crude oil Substances 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 6
- 238000002955 isolation Methods 0.000 description 4
- 238000000691 measurement method Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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Abstract
The invention belongs to the technical field of multi-phase flow metering of oilfield crude oil, and particularly relates to a multiphase metering skid-mounted device for a low-yield oil well. The multiphase metering skid-mounted device comprises a mixture inlet, a liquid flow meter and a gas flow meter, wherein the mixture inlet is communicated with the inlet of a rotational flow gas-liquid separator through a pipeline on which an inlet valve is arranged; a filter is arranged between the mixture inlet and the rotational flow gas-liquid separator; the top of the rotational flow gas-liquid separator is communicated with an outlet through a gas phase flow pipeline; the bottom of the rotational flow gas liquid separator is communicated with the outlet through a liquid phase flow pipeline; the gas phase flow pipeline is provided with the gas flow meter; an outlet valve is arranged between the outlet and the liquid phase flow pipeline; the liquid phase flow pipeline is provided with a liquid flow meter and a water content analyzer in sequence. By adopting the multiphase metering skid-mounted device, the problem of the blank of a separation technology in the conventional multiphase metering method is solved, and high metering accuracy is achieved.
Description
Technical field
The invention belongs to the field of measuring techniques of crude oil multiphase flow, particularly relate to a kind of stripper well multiphase measurement skid-mounted unit, it is applicable to the on-line metering of oil field individual well, well group multiphase flow.
Background technology
At present in the exploitation of oil gas field, the crude oil measurement of oil field individual well, well group often adopts single-phase measurement method, single-phase measurement is discontinuous, by fluidised form affect larger, the course of work is loaded down with trivial details, human factor is large, measuring accuracy is lower, volume take up an area comparatively large, there is safety, environmental protection hidden danger.
And the multiphase measurement of individual well, well group is not well solved always, there is the shortcoming that cost is high, measuring accuracy is lower in the multiphase measurement without isolation technics.
Summary of the invention
The object of the invention is to overcome existing single-phase measurement method measuring accuracy low, the shortcoming that multiphase measurement is high without isolation technics cost, measuring accuracy is lower.
For this reason, the invention provides a kind of stripper well multiphase measurement skid-mounted unit, comprise mixture intake, fluid flowmeter, gas flowmeter, described mixture intake is communicated with cyclone gas-liquid separator entrance by the pipeline that imported valve is housed, between described mixture intake and cyclone gas-liquid separator, strainer is housed, the top of described cyclone gas-liquid separator is by vapor phase stream stylet and outlet, and the bottom of cyclone gas-liquid separator is by liquid phase stream stylet and outlet;
Described vapor phase stream stylet is provided with gas flowmeter, is provided with outlet valve, described liquid phase stream stylet is provided with fluid flowmeter and analyzer of water content successively between outlet and liquid phase stream stylet.
Liquid level accumulator tank is provided with between described cyclone gas-liquid separator and outlet, the top of cyclone gas-liquid separator is communicated with the top of Liquid level accumulator tank by pipeline, the bottom of cyclone gas-liquid separator is communicated with Liquid level accumulator tank by pipeline, the top of described Liquid level accumulator tank is by vapor phase stream stylet and outlet, and the bottom of Liquid level accumulator tank is by liquid phase stream stylet and outlet.
Described cyclone gas-liquid separator comprises cyclone and waveform eliminator, and cyclone is placed in the upper end of waveform eliminator.
The import of described cyclone communicates with mixture intake pipeline, and the overfall of cyclone communicates with the overhead line of cyclone gas-liquid separator.
Liquid level gas circuit reversible controller is provided with in described Liquid level accumulator tank.
Be provided with outlet three way cock before described outlet, two outlets of this three way cock communicate with liquid phase stream stylet, Liquid level accumulator tank bottom line respectively.
The first gate valve is provided with between described outlet three way cock and outlet.
Described imported valve is import three way cock, and wherein the first outlet is connected with cyclone gas-liquid separator entrance by pipeline, and the second outlet connecting pipe line communicates with Liquid level accumulator tank bottom line.
The second gate valve is provided with between described second outlet connecting pipe line and Liquid level accumulator tank bottom line.
Described fluid flow counts mass flowmenter.
Beneficial effect of the present invention: mixture of oil, water and gas achieves gas-liquid separation after entering cyclone gas-liquid separator, Liquid level accumulator tank, again respectively by fluid flowmeter and gas flowmeter metering, solve existing multiphase measurement method without isolation technics, the shortcoming that measuring accuracy is lower.
Below with reference to accompanying drawing, the present invention is described in further details.
Accompanying drawing explanation
Fig. 1 is front view of the present invention;
Fig. 2 is rear elevation of the present invention;
Fig. 3 is top view of the present invention;
Fig. 4 is liquid level gas circuit reversible controller schematic diagram.
Description of reference numerals: 1, mixture intake; 2, import three way cock; 3, strainer; 4, cyclone separator; 5, Liquid level accumulator tank; 6, fluid flowmeter; 7, liquid level gas circuit reversible controller; 8, analyzer of water content; 9, three way cock is exported; 10, gas flowmeter; 11, the first gate valve; 12, export; 13, the second gate valve; 14, cyclone; 15, waveform eliminator; 16, import; 17, overfall; 18, underflow opening; 19, vapor phase stream stylet; 20, liquid phase stream stylet.
Detailed description of the invention
Low in order to solve existing single-phase measurement method measuring accuracy, multiphase measurement is high without isolation technics cost, the shortcoming that measuring accuracy is lower, present embodiments provide a kind of as Fig. 1, 2, shown a kind of stripper well multiphase measurement skid-mounted unit, comprise mixture intake 1, fluid flowmeter 6, gas flowmeter 10, mixture intake 1 is communicated with cyclone gas-liquid separator 4 entrance by the pipeline that imported valve is housed, strainer 3 is housed between mixture intake 1 and cyclone gas-liquid separator 4, the top of cyclone gas-liquid separator 4 is communicated with by the top of pipeline with Liquid level accumulator tank 5, the bottom of cyclone gas-liquid separator 4 is communicated with Liquid level accumulator tank 5 by pipeline, the top of Liquid level accumulator tank 5 is communicated with outlet 12 by vapor phase stream stylet 19, and vapor phase stream stylet 19 is provided with gas flowmeter 10, the bottom of Liquid level accumulator tank 5 is communicated with outlet 12 by liquid phase stream stylet 20, the first gate valve 11 is provided with between outlet valve and outlet 12, liquid phase stream stylet 20 is provided with successively fluid flowmeter 6 and analyzer of water content 8, wherein fluid flowmeter 6 is mass flowmenter.
Cyclone gas-liquid separator 4 comprises cyclone 14 and waveform eliminator 15, and cyclone 14 is placed in the upper end of waveform eliminator 15; The import 16 of cyclone 14 communicates with mixture intake 1 pipeline, and the overfall 17 of cyclone 14 communicates with the overhead line of cyclone gas-liquid separator 4; Liquid level gas circuit reversible controller 7 is provided with in Liquid level accumulator tank 5.
Wherein, imported valve is import three way cock 2, first outlet is connected with cyclone gas-liquid separator 4 entrance by pipeline, and the second outlet connecting pipe line communicates with Liquid level accumulator tank 5 bottom line, is provided with the second gate valve 13 between the second outlet connecting pipe line and Liquid level accumulator tank 5 bottom line; Be provided with outlet three way cock 9 before outlet 12, two outlets of this three way cock communicate with liquid phase stream stylet 20, Liquid level accumulator tank 5 bottom line respectively.
The object of the present invention is achieved like this: individual well, well group carrys out mixture of oil, water and gas through mixture intake 1 access to plant, first through import three way cock 2, strainer 3 enters into the import 16 of cyclone gas-liquid separator 4 cyclone 14, mixture realizes the initial gross separation of free gas and liquid through cyclone 14 and waveform eliminator 15, in the process, mixture is first separated through cyclone 14, isolated gas enters the overhead line of cyclone gas-liquid separator 4 by the overfall 17 of cyclone 14, tangentially enter Liquid level accumulator tank 5, isolated liquid then enters waveform eliminator 15 by the underflow opening 18 of cyclone 14, through being separated again of waveform eliminator 15, liquid tangentially enters Liquid level accumulator tank 5 by cyclone gas-liquid separator 4 bottom line, liquid level gas circuit reversible controller 7 is equipped with in Liquid level accumulator tank 5 inside, for controlling the stability of gas or flow rate of liquid.
As shown in Figure 4, liquid level gas circuit reversible controller 7 is by ball float, be separately fixed at the upper and lower pull bar of ball float top, bottom, the dwang be rotationally connected with upper and lower pull bar, dwang is fixed on Liquid level accumulator tank 5 inwall, and its operating principle is: when liquid is more, when gas is less, ball float floats up to gas flow stylet 19 mouthfuls, closes a part of gas vent, then liquid flows out; When gas is more, when liquid is less, ball float sinks down into liquid phase stream stylet 20 mouthfuls, then gas flows out.
Gas, by after the vapor phase stream stylet 19 gas coming through flow meter 10 on Liquid level accumulator tank 5 top, is got rid of by outlet; The liquid-phase tube linear flow 20 of liquid then through Liquid level accumulator tank 5 bottom is through fluid flowmeter 6 to analyzer of water content 8, again through outlet three way cock 9 and the first gate valve 11 to outlet 12, in the process, open the first gate valve 11, open outlet three-way tube valve 9 liquid outlet, then through exporting 12 discharges after the gas-liquid flow after metering mixes again simultaneously; Close the first gate valve 11, gas and liquid are not all discharged.
The liquid that fluid flowmeter 6 measures out can analyze fuel-displaced, water ratio separately through profit analyzer 8; Gas circuit outlet carries out gas dosing by gas flowmeter 10; Device measuring instrument and computer data acquiring treatment system supporting, complete the on-line metering to pipelines on multiphase flow, comprise Oil, Water, Gas separate phase flow rate and moisture content.
The parts that the present embodiment does not describe in detail and structure belong to the well-known components of the industry and common structure or conventional means, do not describe one by one here.
More than exemplifying is only illustrate of the present invention, does not form the restriction to protection scope of the present invention, everyly all belongs within protection scope of the present invention with the same or analogous design of the present invention.
Claims (10)
1. a stripper well multiphase measurement skid-mounted unit, comprise mixture intake (1), fluid flowmeter (6), gas flowmeter (10), it is characterized in that: described mixture intake (1) is communicated with cyclone gas-liquid separator (4) entrance by the pipeline that imported valve is housed, strainer (3) is housed between described mixture intake (1) and cyclone gas-liquid separator (4), the top of described cyclone gas-liquid separator (4) is communicated with outlet (12) by vapor phase stream stylet (19), the bottom of cyclone gas-liquid separator (4) is communicated with outlet (12) by liquid phase stream stylet (20),
Described vapor phase stream stylet (19) is provided with gas flowmeter (10), is provided with outlet valve, described liquid phase stream stylet (20) is provided with successively fluid flowmeter (6) and analyzer of water content (8) between outlet (12) and liquid phase stream stylet (20).
2. a kind of stripper well multiphase measurement skid-mounted unit according to claim 1, it is characterized in that: between described cyclone gas-liquid separator (4) and outlet (12), be provided with Liquid level accumulator tank (5), the top of cyclone gas-liquid separator (4) is communicated with the top of Liquid level accumulator tank (5) by pipeline, the bottom of cyclone gas-liquid separator (4) is communicated with Liquid level accumulator tank (5) by pipeline, the top of described Liquid level accumulator tank (5) is communicated with outlet (12) by vapor phase stream stylet (19), the bottom of Liquid level accumulator tank (5) is communicated with outlet (12) by liquid phase stream stylet (20).
3. a kind of stripper well multiphase measurement skid-mounted unit according to claim 1, it is characterized in that: described cyclone gas-liquid separator (4) comprises cyclone (14) and waveform eliminator (15), and cyclone (14) is placed in the upper end of waveform eliminator (15).
4. a kind of stripper well multiphase measurement skid-mounted unit according to claim 3, it is characterized in that: the import (16) of described cyclone (14) communicates with mixture intake (1) pipeline, the overfall (17) of cyclone (14) communicates with the overhead line of cyclone gas-liquid separator (4).
5. a kind of stripper well multiphase measurement skid-mounted unit according to claim 2, is characterized in that: be provided with liquid level gas circuit reversible controller (7) in described Liquid level accumulator tank (5).
6. a kind of stripper well multiphase measurement skid-mounted unit according to claim 2, it is characterized in that: described outlet valve is outlet three way cock (9), and two outlets of this three way cock communicate with liquid phase stream stylet (20), Liquid level accumulator tank (5) bottom line respectively.
7. a kind of stripper well multiphase measurement skid-mounted unit according to claim 6, is characterized in that: be provided with the first gate valve (11) between described outlet three way cock (9) and outlet.
8. a kind of stripper well multiphase measurement skid-mounted unit according to claim 2, it is characterized in that: described imported valve is import three way cock (2), wherein the first outlet is connected with cyclone gas-liquid separator (4) entrance by pipeline, and the second outlet connecting pipe line communicates with Liquid level accumulator tank (5) bottom line.
9. a kind of stripper well multiphase measurement skid-mounted unit according to claim 8, is characterized in that: be provided with the second gate valve (13) between described second outlet connecting pipe line and Liquid level accumulator tank (5) bottom line.
10. a kind of stripper well multiphase measurement skid-mounted unit according to claim 1, is characterized in that: described fluid flowmeter (6) is mass flowmenter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410432707.XA CN104213901A (en) | 2014-08-29 | 2014-08-29 | Multiphase metering skid-mounted device for low-yield oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410432707.XA CN104213901A (en) | 2014-08-29 | 2014-08-29 | Multiphase metering skid-mounted device for low-yield oil well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104213901A true CN104213901A (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410432707.XA Pending CN104213901A (en) | 2014-08-29 | 2014-08-29 | Multiphase metering skid-mounted device for low-yield oil well |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929608A (en) * | 2015-06-25 | 2015-09-23 | 西安长庆科技工程有限责任公司 | Oil field multiphase measurement and mixed transportation device and method |
| CN104989371A (en) * | 2015-06-26 | 2015-10-21 | 中国石油化工股份有限公司胜利油田分公司 | Online water content analyzing device for oil well mouth |
| CN105626029A (en) * | 2016-03-18 | 2016-06-01 | 新疆石油工程设计有限公司 | Tube type separation multiphase metering device for thickened oil |
| CN107905780A (en) * | 2017-12-21 | 2018-04-13 | 辽宁瑞邦石油技术发展有限公司 | A kind of Weighing type oil well meter of gas-liquid multiphase measurement |
| CN109519155A (en) * | 2018-10-31 | 2019-03-26 | 广州码云互联网科技有限公司 | A kind of petroleum collection device of petroleum drilling and mining |
| CN109882154A (en) * | 2019-04-19 | 2019-06-14 | 新疆成和天利能源科技股份有限公司 | A single well metering device |
| CN110130869A (en) * | 2019-06-24 | 2019-08-16 | 合肥精特仪表有限公司 | Gas well three-phase flow metering skid |
| 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 |
| CN112647924A (en) * | 2021-01-08 | 2021-04-13 | 濮阳市奥依尔节能设备制造有限公司 | Oil-gas separation metering device and application method |
| CN120139786A (en) * | 2025-05-14 | 2025-06-13 | 陕西永凯科技有限公司 | Oil, gas and water mixed transmission booster three-phase metering skid |
-
2014
- 2014-08-29 CN CN201410432707.XA patent/CN104213901A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929608A (en) * | 2015-06-25 | 2015-09-23 | 西安长庆科技工程有限责任公司 | Oil field multiphase measurement and mixed transportation device and method |
| CN104929608B (en) * | 2015-06-25 | 2017-05-24 | 西安长庆科技工程有限责任公司 | Oil field multiphase measurement and mixed transportation device and method |
| CN104989371A (en) * | 2015-06-26 | 2015-10-21 | 中国石油化工股份有限公司胜利油田分公司 | Online water content analyzing device for oil well mouth |
| CN105626029A (en) * | 2016-03-18 | 2016-06-01 | 新疆石油工程设计有限公司 | Tube type separation multiphase metering device for thickened oil |
| CN107905780A (en) * | 2017-12-21 | 2018-04-13 | 辽宁瑞邦石油技术发展有限公司 | A kind of Weighing type oil well meter of gas-liquid multiphase measurement |
| CN109519155A (en) * | 2018-10-31 | 2019-03-26 | 广州码云互联网科技有限公司 | A kind of petroleum collection device of petroleum drilling and mining |
| CN109882154A (en) * | 2019-04-19 | 2019-06-14 | 新疆成和天利能源科技股份有限公司 | A single well metering device |
| CN109882154B (en) * | 2019-04-19 | 2023-11-14 | 新疆成和天利能源科技股份有限公司 | Single well metering device |
| CN110130869A (en) * | 2019-06-24 | 2019-08-16 | 合肥精特仪表有限公司 | Gas well three-phase flow metering skid |
| 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 |
| CN112647924A (en) * | 2021-01-08 | 2021-04-13 | 濮阳市奥依尔节能设备制造有限公司 | Oil-gas separation metering device and application method |
| CN120139786A (en) * | 2025-05-14 | 2025-06-13 | 陕西永凯科技有限公司 | Oil, gas and water mixed transmission booster three-phase metering skid |
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Application publication date: 20141217 |
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