CN105952435A - Vortex shedding flow-meter suitable for oil-water well underground - Google Patents
Vortex shedding flow-meter suitable for oil-water well underground Download PDFInfo
- Publication number
- CN105952435A CN105952435A CN201610265096.3A CN201610265096A CN105952435A CN 105952435 A CN105952435 A CN 105952435A CN 201610265096 A CN201610265096 A CN 201610265096A CN 105952435 A CN105952435 A CN 105952435A
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- Prior art keywords
- flow
- oil
- vortex
- meter
- probe
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
Abstract
The invention provides a vortex shedding flow-meter suitable for oil-water well underground which relates to a vortex shedding flow-meter. The vortex shedding flow-meter gives solutions to problems of short service life and inaccurate test results of the current flow-meters used in oil-water well underground due to the influence of underground environment. A flow-meter main body (2) is fixedly sleeved by the middle part of a straight tube (1); a threaded hole is horizontally machined on the flow-meter main body (2) ; a probe(5) is in threaded connection with the inside of the flow-meter main body (2) and one end of the probe (5) is positioned inside the flow-meter main body (2); a pressure cap (4) is in threaded connection with the inside of the flow-meter main body (2) and presses the other end of the probe (5); a vortex generator (3) is positioned at the middle part of the straight tube (1) and is tightly fitted with the inner wall of the straight tube (1); one end of the probe (5) is positioned over the vortex generator (3). The vortex shedding flow-meter is applied in flow test for oil water well underground.
Description
Technical field
The present invention relates to a kind of vortex-shedding meter, be specifically related to a kind of vortex-shedding meter being applicable to oil-water well down-hole.
Background technology
Along with going deep into of oil field development, injecting well and the extraction well number of plies increases year by year, the difficulty of its zonal testing increases the most year by year,
Test job amount significantly improves.Improve oil field layered measuring technology, can effectively improve injection well and the development effectiveness of extraction well,
For selecting rational DP technology measure further, provide foundation for oil extraction in oil field scheme.
Conventional downhole flowmeter includes following several:
Electromagnetic flowmeter: certainty of measurement is affected by measured medium conductivity, and faradism easily covers by greasy dirt thus affects survey
Examination effect；
Ultrasonic flowmeter: being only used for measuring the liquids and gases of cleaning, down-hole medium oil mixing with water is uneven thus affects
Test effect；
Turbine flowmeter: certainty of measurement is by greasy dirt viscosity influence, and turbine is easily stuck by dirt rust, causes measuring and is forbidden, shadow
Ring test effect.
Downhole flowmeter directly affects the quality of oil recovery effect to the accuracy that fluid flow is tested, therefore for high accuracy well
Down-off measuring and adjusting system has carried out developmental research.Therefore, selection has more the vortex-shedding meter conduct of underground working applicable performance
The flow test units of oil field well.
To sum up, the existing effusion meter for oil-water well down-hole, owing to being affected by subsurface environment, detects sensor flow meter
Service life is short, be not directly contacted with measured medium, causes testing flow meter effect inaccurate.
Summary of the invention
The present invention solves that the existing effusion meter for oil-water well down-hole, owing to being affected by subsurface environment, causes effusion meter
Service life is short, test the inaccurate problem of effect, and then provides a kind of vortex-shedding meter being applicable to oil-water well down-hole.
The present invention solves that above-mentioned technical problem adopts the technical scheme that:
The vortex-shedding meter being applicable to oil-water well down-hole of the present invention includes straight tube, flow meter body, eddy generator, pressure cap
And probe, flow meter body is solidly set on the middle part of straight tube, and on flow meter body, level is threaded hole, pops one's head in threaded
In flow meter body and one end of probe is positioned at flow meter body, pressure cap is threaded in flow meter body and compresses and visits
The other end of head, eddy generator is positioned at the middle part of straight tube and closely cooperates with the inwall of straight tube, and one end of probe is positioned at whirlpool
There is the top of body.
The present invention compared with prior art has the advantages that
The vortex-shedding meter being applicable to oil-water well down-hole of the present invention is a kind of younger flowmeter technology of ratio, and it is according to card
Door vortex street principle and a kind of effusion meter of manufacturing and designing of modern electronic technology, test effect short with existing effusion meter service life
The most inaccurate comparing, present configuration is firm, stable performance, service life are long；
Inferred-zero drift of the present invention, measuring accuracy is high, measure wide ranges, the pressure loss is little, construction profile design uniqueness, suitable
Underground equipment for pipe column type is installed.
Accompanying drawing explanation
Fig. 1 is the main sectional view of the vortex-shedding meter being applicable to oil-water well down-hole of the present invention；
Fig. 2 is the viewgraph of cross-section of flow meter body 2 in the specific embodiment of the invention one.
Detailed description of the invention
Detailed description of the invention one: as shown in Fig. 1～2, the vortex-shedding meter bag being applicable to oil-water well down-hole of present embodiment
Including straight tube 1, flow meter body 2, eddy generator 3, pressure cap 4 and probe 5, flow meter body 2 is solidly set on straight tube 1
Middle part, on flow meter body 2, level is threaded hole, in probe 5 is threaded in flow meter body 2 and probe 5
One end be positioned at flow meter body 2, in pressure cap 4 is threaded in flow meter body 2 and compress the other end of probe 5,
Eddy generator 3 is positioned at the middle part of straight tube 1 and closely cooperates with the inwall of straight tube 1, and one end of probe 5 is positioned at whirlpool and occurs
The top of body 3.
The manufacturer of eddy generator 3 is Weihai Hua Rui finite instrument company.
Detailed description of the invention two: as shown in Fig. 1～2, present embodiment flow meter body 2 is solidly set on straight tube 1 by welding
Middle part.Being so designed that, good stability, weld strength are high.Other composition and annexation are identical with detailed description of the invention one.
Detailed description of the invention three: as in figure 2 it is shown, the cross section of present embodiment flow meter body 2 is sector.It is so designed that,
Being suitable for the installation of pipe column type underground equipment, down-hole liquid flows through straight tube 1 and stablizes strong vortex street field with swirl generating body 3 generation.
Other composition and annexation are identical with detailed description of the invention one or two.
Detailed description of the invention four: as shown in Fig. 1～2, on present embodiment flow meter body 2, level is machined with ladder screw thread
Hole.It is so designed that, coordinates pressure cap 4 to compress, be difficult to loosen holding signal stabilization.Other composition and annexation are real with concrete
Execute mode three identical.
Detailed description of the invention five: as shown in Fig. 1～2, the material of present embodiment straight tube 1 uses 304 rustless steels.Prevent
Straight tube produces rust, affects the measurement of flow.Other composition and annexation and detailed description of the invention one, two or four are identical.
Detailed description of the invention six: as shown in Fig. 1～2, vortex-shedding meter described in present embodiment also includes that two O types seal
Circle, the other end of probe 5 is provided with two O RunddichtringOs.It is so designed that, uses O RunddichtringO, high pressure resistant 45MPa
Time sealing still good, to ensure that flow velocity will not be the lowest.Other composition and annexation are identical with detailed description of the invention five.
Operation principle:
A kind of extraordinary vortex-shedding meter being applicable to oil-water well down-hole of the present invention is according to Karman vortex street principle and hyundai electronics
A kind of effusion meter that Technology design manufactures, illustrates the working method of the present invention in conjunction with Fig. 1 and Fig. 2,
The cross section of flow meter body 2 uses sector design, is suitable for the installation of pipe column type underground equipment, and down-hole liquid flows through directly
Pipe 1 produces with swirl generating body 3 stablizes strong vortex street field, and the material of straight tube 1 uses 304 rustless steels, prevents straight tube from producing
The pig iron becomes rusty；5 seal form of popping one's head in use O RunddichtringO, and during high pressure resistant 45MPa, sealing is still good, to ensure flow velocity
Will not be the lowest；Inside probe 5, employing divergence type piezoelectric detection elements are when vortex separates, the alternation lift effect supervened
To lower probe, two piezoelectric element stress deformations meeting output charge signals, thus accurately record the flow velocity of down-hole liquid.
Claims (6)
1. the vortex-shedding meter being applicable to oil-water well down-hole, it is characterised in that: described vortex-shedding meter include straight tube (1),
Flow meter body (2), eddy generator (3), pressure cap (4) and probe (5), flow meter body (2) is solidly set on directly
The middle part of pipe (1), the upper level of flow meter body (2) is threaded hole, and probe (5) is threaded in flow meter body
(2) interior and probe (5) one end is positioned at flow meter body (2), and pressure cap (4) is threaded in flow meter body (2)
In and compress probe (5) the other end, eddy generator (3) be positioned at straight tube (1) middle part and with straight tube (1)
Wall closely cooperates, and one end of probe (5) is positioned at the top of eddy generator (3).
The vortex-shedding meter being applicable to oil-water well down-hole the most according to claim 1, it is characterised in that: flow meter body
(2) middle part of straight tube (1) it is solidly set on by welding.
The vortex-shedding meter being applicable to oil-water well down-hole the most according to claim 1 and 2, it is characterised in that: effusion meter
The cross section of main body (2) is sector.
The vortex-shedding meter being applicable to oil-water well down-hole the most according to claim 3, it is characterised in that: flow meter body
(2) upper level is machined with ladder screwed hole.
5. according to the vortex-shedding meter being applicable to oil-water well down-hole described in claim 1,2 or 4, it is characterised in that: straight
The material of pipe (1) uses 304 rustless steels.
The vortex-shedding meter being applicable to oil-water well down-hole the most according to claim 5, it is characterised in that: described vortex street stream
Gauge also includes two O RunddichtringOs, and the other end of probe (5) is provided with two O RunddichtringOs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265096.3A CN105952435A (en) | 2016-04-26 | 2016-04-26 | Vortex shedding flow-meter suitable for oil-water well underground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265096.3A CN105952435A (en) | 2016-04-26 | 2016-04-26 | Vortex shedding flow-meter suitable for oil-water well underground |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105952435A true CN105952435A (en) | 2016-09-21 |
Family
ID=56915507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610265096.3A Pending CN105952435A (en) | 2016-04-26 | 2016-04-26 | Vortex shedding flow-meter suitable for oil-water well underground |
Country Status (1)
| Country | Link |
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| CN (1) | CN105952435A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106896203A (en) * | 2017-04-13 | 2017-06-27 | 北京碧水源净水科技有限公司 | The detection probe of overflow-type TDS detecting instruments |
| CN109267990A (en) * | 2017-07-17 | 2019-01-25 | 中国石油化工股份有限公司 | A kind of downhole flow metering device |
| CN110987092A (en) * | 2019-12-27 | 2020-04-10 | 东北石油大学 | Multiphase flow vortex shedding flowmeter in pit |
| CN111006726A (en) * | 2019-12-11 | 2020-04-14 | 东北石油大学 | Underground vortex street flowmeter for underground charging type intelligent water distributor |
| CN112833966A (en) * | 2020-12-28 | 2021-05-25 | 博锐格科技温州有限公司 | Underground layered thin pipe flowmeter and flow testing method thereof |
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| US3992939A (en) * | 1976-02-11 | 1976-11-23 | International Telephone And Telegraph Corporation | Apparatus for producing a mass flow rate signal with or without a density signal |
| CN2074009U (en) * | 1990-04-18 | 1991-03-27 | 江苏省扬中县自动化仪表厂 | Inserted type optical fiber turbine flowmeter |
| CN200996292Y (en) * | 2006-12-21 | 2007-12-26 | 大庆油田有限责任公司 | Small-output volume stream-collecting metering device vortex street under well |
| CN201413161Y (en) * | 2009-05-26 | 2010-02-24 | 威海奥博特自动化设备有限公司 | Integral capacitor type vortex flowmeter with temperature and pressure compensation |
| CN203719702U (en) * | 2014-02-11 | 2014-07-16 | 合肥精大仪表股份有限公司 | Super-small-caliber vortex flowmeter |
| CN105352558A (en) * | 2015-10-22 | 2016-02-24 | 哈尔滨工业大学 | Underground optical fiber vortex-shedding flowmeter and underground flow measuring method |
-
2016
- 2016-04-26 CN CN201610265096.3A patent/CN105952435A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3992939A (en) * | 1976-02-11 | 1976-11-23 | International Telephone And Telegraph Corporation | Apparatus for producing a mass flow rate signal with or without a density signal |
| CN2074009U (en) * | 1990-04-18 | 1991-03-27 | 江苏省扬中县自动化仪表厂 | Inserted type optical fiber turbine flowmeter |
| CN200996292Y (en) * | 2006-12-21 | 2007-12-26 | 大庆油田有限责任公司 | Small-output volume stream-collecting metering device vortex street under well |
| CN201413161Y (en) * | 2009-05-26 | 2010-02-24 | 威海奥博特自动化设备有限公司 | Integral capacitor type vortex flowmeter with temperature and pressure compensation |
| CN203719702U (en) * | 2014-02-11 | 2014-07-16 | 合肥精大仪表股份有限公司 | Super-small-caliber vortex flowmeter |
| CN105352558A (en) * | 2015-10-22 | 2016-02-24 | 哈尔滨工业大学 | Underground optical fiber vortex-shedding flowmeter and underground flow measuring method |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106896203A (en) * | 2017-04-13 | 2017-06-27 | 北京碧水源净水科技有限公司 | The detection probe of overflow-type TDS detecting instruments |
| CN106896203B (en) * | 2017-04-13 | 2023-05-26 | 北京碧水源净水科技有限公司 | Detecting probe of overcurrent type TDS detecting instrument |
| CN109267990A (en) * | 2017-07-17 | 2019-01-25 | 中国石油化工股份有限公司 | A kind of downhole flow metering device |
| CN111006726A (en) * | 2019-12-11 | 2020-04-14 | 东北石油大学 | Underground vortex street flowmeter for underground charging type intelligent water distributor |
| CN110987092A (en) * | 2019-12-27 | 2020-04-10 | 东北石油大学 | Multiphase flow vortex shedding flowmeter in pit |
| CN112833966A (en) * | 2020-12-28 | 2021-05-25 | 博锐格科技温州有限公司 | Underground layered thin pipe flowmeter and flow testing method thereof |
| CN112833966B (en) * | 2020-12-28 | 2023-12-08 | 博锐格科技温州有限公司 | Underground layered tubule flowmeter and flow test method thereof |
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| PB01 | Publication | ||
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Application publication date: 20160921 |