CN108051568A - One kind is used for the online crude oil water content cross-section static measurement instrument of producing well - Google Patents

One kind is used for the online crude oil water content cross-section static measurement instrument of producing well Download PDF

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Publication number
CN108051568A
CN108051568A CN201711178331.4A CN201711178331A CN108051568A CN 108051568 A CN108051568 A CN 108051568A CN 201711178331 A CN201711178331 A CN 201711178331A CN 108051568 A CN108051568 A CN 108051568A
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cavity
measurement
chamber
oil
valve
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CN201711178331.4A
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CN108051568B (en
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罗德全
陈玉磊
徐爱国
董亚军
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Sichuan Tayron Technology Co Ltd
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Sichuan Tayron Technology Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/26Oils; viscous liquids; paints; inks
    • G01N33/28Oils, i.e. hydrocarbon liquids
    • G01N33/2835Oils, i.e. hydrocarbon liquids specific substances contained in the oil or fuel
    • G01N33/2847Water in oil

Abstract

The invention discloses one kind for the online crude oil water content cross-section static measurement instrument of producing well, the measuring instrument main body in the present invention includes cross-section measurement cavity, upper end little differential pressure sensor, lower end little differential pressure sensor;Entrance electrical ball valve is installed, cross-section measurement cavity 1A is equipped with outlet electrical ball valve below face above cross-section measurement cavity 1A faces;Cross-section measurement cavity 1B faces upper center position is equipped with upper end little differential pressure sensor, and cross-section measurement cavity 1B faces lower central position is equipped with lower end little differential pressure sensor.The present invention is by online static measurement, it can be achieved that water cut meter accurately measures.During measurement, the valve at the entrance and exit of measuring instrument is automatically closed in the present invention, makes the miscible fluids into measuring instrument opposing stationary, avoids influence of the external pressure fluctuations to measurement, improve the precision of measurement.The structure of the present invention is simple, and measurement is accurate, securely and reliably, easy to maintain, can meet the measurement of the moisture content of various oil wells.

Description

One kind is used for the online crude oil water content cross-section static measurement instrument of producing well
Technical field
The invention belongs to oil field measuring apparatus fields, and in particular to one kind is used for the online crude oil water content cross-section of producing well Static measurement instrument.
Background technology
During oil extraction, oil, the ratio of water embody the characteristic of oilfield reservoir, are formulation and adjustment exploitation side Case, the important evidence for optimizing manufacturing parameter have important meaning to extending the oil/gas well service life, improving recovery ratio.Reality in oil field In the production process of border, many for the multi-phase flowmeter species of gas, oil, water, related patents are also very much, but currently on the market, greatly Part multi-phase flowmeter measurement accuracy is relatively low, and especially measuring precision of water content in water, error reach 20%.To many in exploitation For the oil well in late period, moisture content is generally up to 90%, therefore the larger multi-phase flowmeter of measurement of water ratio error can not meet The production requirement in oil field.
The content of the invention
In order to overcome the shortcomings of that measurement of water ratio in oil well error is larger in prior art, the present invention provides one kind for recovering the oil The online crude oil water content cross-section static measurement instrument of well.
Technical scheme is as follows
The present invention's is used for the online crude oil water content cross-section static measurement instrument of producing well, its main feature is that, the online crude oil Moisture content cross-section static measurement instrument includes measuring instrument main body, outlet electrical ball valve and entrance electrical ball valve;Its connection relation is, The measuring instrument main body upper end is connected with entrance electrical ball valve, and measuring instrument main body lower end is connected with outlet electrical ball valve;Measurement When, entrance electrical ball valve and outlet electrical ball valve are closed, and the liquid in measurement process into measuring instrument main body is in static stabilization State, is measured rear entrance electrical ball valve and outlet electrical ball valve automatically opens.
The measuring instrument main body include cross-section measurement cavity, upper end little differential pressure sensor, lower end little differential pressure sensor, Valve I, valve II and valve III;Cross-section measurement cavity upper surface is equipped with valve III, and cross-section measurement cavity A pacifies above face Equipped with entrance electrical ball valve, cross-section measurement cavity A is equipped with outlet electrical ball valve below face;On cross-section measurement cavity B faces Square center is equipped with upper end little differential pressure sensor, and cross-section measurement cavity B faces lower central position is equipped with lower end elementary errors Pressure sensor, cross-section measurement cavity lower face right side are equipped with valve I, and cross-section measurement cavity is equipped with valve on the left of lower face Door II.
The cross-section measurement cavity included oil cavity, subsidiary cavity, upper end cover, inlet tube, slanting baffle, L Shape baffle, porous plate, outlet, left chamber bottom end cover and right chamber bottom end cover.The in vivo top of cross-section measurement chamber is installed with Upper end cover, the cross-section measurement chamber in vivo left side are subsidiary cavity, and the right was oil cavity, subsidiary cavity with it is excessively oily Cavity is fixedly connected.Described crossing between oil cavity, the top of subsidiary cavity and upper end cover is provided with convection current hole slot, mistake Oil cavity is located at being provided with lower convection current hole slot, lower convection current hole slot on subsidiary cavity adjacent wall face below upper convection current hole slot, Oil cavity, subsidiary cavity is crossed respectively by upper convection current hole slot, lower convection current hole slot to be connected;Cross oil cavity and ancillary measurement Body lower end closed.It crosses oil cavity upper end and inlet tube is installed, lower end is equipped with outlet;Crossing face inlet tube in oil cavity Position is equipped with L-shaped baffle, and L-shaped baffle upper end is connected with crossing oil cavity;Lower convection current hole slot lower edge is equipped with slanting baffle. It crosses at the contour position of oil cavity and subsidiary cavity top and has upper end left chamber measured hole, upper end right chamber measured hole; Upper end right chamber measured hole was arranged on the lower position of oil cavity inlet tube, and upper end left chamber measured hole is arranged on subsidiary cavity The lower position of slanting baffle;The upper end left chamber measured hole and upper end right chamber measured hole respectively with upper end little differential pressure sensor Two measurement ends are connected.Crossing oil cavity lower end, the concordant position in side low with outlet is equipped with porous plate, porous plate and mistake Oil cavity is fixedly connected.Lower end right chamber measurement is had at the contour position of oil cavity and subsidiary cavity lower part excessively Hole, lower end left chamber measured hole, lower end right chamber measured hole are arranged on the lower position of outlet, and lower end left chamber measured hole is arranged on auxiliary Help the lower position of measurement cavity;Lower end right chamber measured hole, lower end left chamber measured hole respectively with lower end little differential pressure sensor two A measurement end is connected.It crosses oil cavity bottom and right chamber bottom end cover is installed, right chamber bottom end cover is connected with valve I;Ancillary measurement Body bottom is equipped with left chamber bottom end cover, and left chamber bottom end cover is connected with valve II.
The L-shaped baffle lower end height is equal with lower convection current hole slot lower edge height.
Described crosses oil cavity from upper end little differential pressure sensor to the face of cavity cross section the little differential pressure sensor of lower end Product is equal.
One kind of the present invention is mounted on oil well and surveys online for the online crude oil water content cross-section static measurement instrument of producing well Amount center;During measurement, the valve at the entrance and exit of measuring instrument is automatically closed in the present invention, makes the multi-phase flow into measuring instrument Body is opposing stationary, avoids influence of the external pressure fluctuations to measurement, improves the precision of measurement;The present invention only passes through in measurement Little differential pressure sensor measures calculating.The structure of the present invention is simple, and measurement is accurate, securely and reliably, easy to maintain, can meet each The measurement of the moisture content of kind oil well.
Description of the drawings
Fig. 1 is the total arrangement for the online crude oil water content cross-section static measurement instrument structure of producing well of the present invention Figure;
Fig. 2 is the shaft side figure of the present invention;
Fig. 3 is the front view of the present invention;
Fig. 4 is the A-A sectional views in Fig. 3;
In figure, 1. cross-sections measurement 2. upper end little differential pressure sensor of cavity, 3. lower end little differential pressure sensor, 4. valve I 5. valve II 6. exports convection current hole slot on 7. entrance electrical ball valve of electrical ball valve, 8. valve, III 9. upper end cover 10. 11. 14. upper end right chamber measured hole of lower convection current hole slot 12. slanting baffle, 13. upper end left chamber measured hole, 15. lower end right chamber is surveyed 16. lower end 19. porous plate of left chamber measured hole 17. left chamber bottom end cover, 18. right chamber bottom end cover of metering-orifice, 20. outlet 21. 22. L-shaped baffle 23. of inlet tube crosses 24. subsidiary cavity of oil cavity, 25. measuring instrument main body.
Specific embodiment
With reference to the accompanying drawings and examples in detail to illustrating the present invention.
Embodiment 1:
Fig. 1 be the present invention the overall layout chart for the online crude oil water content cross-section static measurement instrument structure of producing well, Fig. 2 For the shaft side figure of the present invention, Fig. 3 is the front view of the present invention, and Fig. 4 is the A-A sectional views in Fig. 3;In Fig. 1 ~ Fig. 4.The present invention For the online crude oil water content cross-section static measurement instrument of producing well, comprising measuring instrument main body 25, outlet electrical ball valve 6 and enter Mouth electrical ball valve 7;Its connection relation is that 25 upper end of measuring instrument main body is connected with entrance electrical ball valve 7, measuring instrument main body 25 lower ends are connected with outlet electrical ball valve 6;During measurement, entrance electrical ball valve 7 and outlet electrical ball valve 6 are closed, in measurement process Liquid into measuring instrument main body 25 is in static stable state, is measured rear entrance electrical ball valve 7 and outlet electrical ball valve 6 It automatically opens.
The measuring instrument main body 25 includes cross-section measurement cavity 1, upper end little differential pressure sensor 2, lower end differential pressure and passes Sensor 3, valve I 4, valve II 5 and valve III 8;1 upper surface of cross-section measurement cavity is equipped with valve III 8, cross-section measurement chamber Entrance electrical ball valve 7 is installed, cross-section measurement cavity 1A is equipped with outlet electrical ball valve 6 below face above body 1A faces;Deng cut Planar survey cavity 1B faces upper center position is equipped with upper end little differential pressure sensor 2, cross-section measurement cavity 1B faces lower central Position is equipped with lower end little differential pressure sensor 3, and valve I 4, cross-section measurement are equipped on the right side of 1 lower face of cross-section measurement cavity Valve II 5 is installed on the left of 1 lower face of cavity.
Described cross-section measurement cavity 1 included oil cavity 23, subsidiary cavity 24, upper end cover 9, inlet tube 21, Slanting baffle 12, L-shaped baffle 22, porous plate 19, outlet 20, left chamber bottom end cover 17 and right chamber bottom end cover 18.Cross-section measures chamber Top in body 1 is installed with upper end cover 9, and cross-section measures the left side in cavity 1 as subsidiary cavity 24, and the right was Oil cavity 23, subsidiary cavity 24 are fixedly connected with crossing oil cavity 23.It is described to cross oil cavity 23, subsidiary cavity 24 Convection current hole slot 10 is provided between top and upper end cover 9, oil cavity 23 is crossed and is set on 24 adjacent wall surface of subsidiary cavity There is lower convection current hole slot 11, lower convection current hole slot 11 is located at upper 10 lower section of convection current hole slot, crosses oil cavity 23, subsidiary cavity 24 is distinguished It is connected by upper convection current hole slot 10, lower convection current hole slot 11;Cross 24 lower end closed of oil cavity 23 and subsidiary cavity.Cross oil pocket 23 upper end of body is equipped with inlet tube 21, and lower end is equipped with outlet 20;Crossing the position peace of face inlet tube 21 in oil cavity 23 Equipped with L-shaped baffle 22,22 upper end of L-shaped baffle is connected with crossing oil cavity 23;Lower 11 lower edge of convection current hole slot is equipped with slanting baffle 12 have upper end left chamber measured hole 13, the upper end right side at the contour position of oil cavity 23 and 24 top of subsidiary cavity excessively Chamber measured hole 14;Upper end right chamber measured hole 14 was arranged on the lower position of 23 inlet tube 21 of oil cavity, upper end left chamber measured hole 13 are arranged on the lower position of 24 slanting baffle 12 of subsidiary cavity;The upper end left chamber measured hole 13, the measurement of upper end right chamber Hole 14 is connected respectively with two measurement ends of upper end little differential pressure sensor 2;23 lower end of oil cavity is being crossed, with 20 low side of outlet Concordant position is equipped with porous plate 19, and porous plate 19 is fixedly connected with crossing oil cavity 23.Crossing oil cavity 23 and subsidiary Lower end right chamber measured hole 15, lower end left chamber measured hole 16, the measurement of lower end right chamber are had at the contour position in 24 lower part of cavity Hole 15 is arranged on the lower position of outlet 20, and lower end left chamber measured hole 16 is arranged on the lower position of subsidiary cavity 24; Lower end right chamber measured hole 15, lower end left chamber measured hole 16 are connected respectively with two measurement ends of lower end little differential pressure sensor 3.It crosses 23 bottom of oil cavity is equipped with right chamber bottom end cover 18, and right chamber bottom end cover 18 is connected with valve I 4.Pacify 24 bottom of subsidiary cavity Equipped with left chamber bottom end cover 17, left chamber bottom end cover 17 is connected with valve II 5.
The 22 lower end height of L-shaped baffle is equal with lower 11 lower edge of convection current hole slot height.
Described crosses oil cavity 23 from upper end little differential pressure sensor 2 to cavity cross section lower end little differential pressure sensor 3 Area be equal.
The course of work of the present invention is as follows:
One kind of the present invention is mounted in well measurement online for the online crude oil water content cross-section static measurement instrument of producing well The heart;During measurement, the valve at the entrance and exit of measuring instrument is automatically closed in the present invention, makes the miscible fluids phase into measuring instrument To static, influence of the external pressure fluctuations to measurement is avoided;It is measured rear entrance electrical ball valve and outlet electrical ball valve is automatic It opens, whole process is static measurement, improves measurement accuracy.
The present invention is not limited to above-mentioned specific embodiment, person of ordinary skill in the field from above-mentioned design, Without performing creative labour, made a variety of conversion are within the scope of the present invention.

Claims (4)

1. one kind is used for the online crude oil water content cross-section static measurement instrument of producing well, it is characterised in that:The online crude oil Moisture content cross-section static measurement instrument includes measuring instrument main body(25), outlet electrical ball valve(6)With entrance electrical ball valve(7);Its Connection relation is the measuring instrument main body(25)Upper end and entrance electrical ball valve(7)It is connected, measuring instrument main body(25)Lower end with Export electrical ball valve(6)It is connected;During measurement, entrance electrical ball valve(7)With outlet electrical ball valve(6)Close, in measurement process into Enter measuring instrument main body(25)Liquid be in static stable state, be measured rear entrance electrical ball valve(7)With outlet electric ball Valve(6)It automatically opens;
The measuring instrument main body(25)Cavity is measured comprising cross-section(1), upper end little differential pressure sensor(2), lower end differential pressure Sensor(3), valve I(4), valve II(5)With valve III(8);Cross-section measures cavity(1)Upper surface is equipped with valve III (8), cross-section measurement cavity(1)Entrance electrical ball valve is installed above A faces(7), cross-section measurement cavity(1)Peace below A faces Equipped with outlet electrical ball valve(6);Cross-section measures cavity(1)B faces upper center position is equipped with upper end little differential pressure sensor (2), cross-section measurement cavity(1)B faces lower central position is equipped with lower end little differential pressure sensor(3), cross-section measurement cavity (1)Valve I is installed on the right side of lower face(4), cross-section measurement cavity(1)Valve II is installed on the left of lower face(5).
It is 2. according to claim 1 a kind of for the online crude oil water content cross-section static measurement instrument of producing well, feature It is:The cross-section measurement cavity(1)Comprising oil cavity(23), subsidiary cavity(24), upper end cover(9), entrance Pipe(21), slanting baffle(12), L-shaped baffle(22), porous plate(19), outlet(20), left chamber bottom end cover(17)With right chamber lower end Lid(18);Cross-section measures cavity(1)Interior top is installed with upper end cover(9), cross-section measurement cavity(1)The interior left side For subsidiary cavity(24), the right was oil cavity(23), subsidiary cavity(24)With crossing oil cavity(23)It is fixedly connected; Described crosses oil cavity(23), subsidiary cavity(24)Top and upper end cover(9)Between be provided with convection current hole slot(10), Cross oil cavity(23)With subsidiary cavity(24)Lower convection current hole slot is provided on adjacent wall surface(11), lower convection current hole slot(11)Position In upper convection current hole slot(10)Oil cavity is crossed in lower section(23), subsidiary cavity(24)Pass through upper convection current hole slot respectively(10), it is lower right Discharge orifice slot(11)It is connected;Cross oil cavity(23)With subsidiary cavity(24)Lower end closed;Cross oil cavity(23)It installs upper end There is inlet tube(21), lower end is equipped with outlet(20);Crossing oil cavity(23)Interior face inlet tube(21)Position L is installed Shape baffle(22), L-shaped baffle(22)Upper end is with crossing oil cavity(23)Connection;Lower convection current hole slot(11)Lower edge is equipped with oblique gear Plate(12);Crossing oil cavity(23)With subsidiary cavity(24)Upper end left chamber measured hole is had at the contour position in top (13), upper end right chamber measured hole(14);Upper end right chamber measured hole(14)It was arranged on oil cavity(23)Inlet tube(21)Lower section Position, upper end left chamber measured hole(13)It is arranged on subsidiary cavity(24)Slanting baffle(12)Lower position;The upper end Left chamber measured hole(13), upper end right chamber measured hole(14)Respectively with upper end little differential pressure sensor(2)Two measurement ends be connected; Crossing oil cavity(23)Lower end, with outlet(20)The concordant position in low side is equipped with porous plate(19), porous plate(19)With mistake Oil cavity(23)It is fixedly connected;Crossing oil cavity(23)With subsidiary cavity(24)Lower part has down at contour position Hold right chamber measured hole(15), lower end left chamber measured hole(16), lower end right chamber measured hole(15)It is arranged on outlet(20)Lower section Position, lower end left chamber measured hole(16)It is arranged on subsidiary cavity(24)Lower position;Lower end right chamber measured hole(15), under Hold left chamber measured hole(16)Respectively with lower end little differential pressure sensor(3)Two measurement ends be connected;Cross oil cavity(23)Bottom Right chamber bottom end cover is installed(18), right chamber bottom end cover(18)With valve I(4)It is connected;Subsidiary cavity(24)Bottom is equipped with Left chamber bottom end cover(17), left chamber bottom end cover(17)With valve II(5)It is connected.
It is 3. according to claim 2 a kind of for the online crude oil water content cross-section static measurement instrument of producing well, feature It is:The L-shaped baffle(22)Lower end height and lower convection current hole slot(11)Lower edge height is equal.
It is 4. according to claim 2 a kind of for the online crude oil water content cross-section static measurement instrument of producing well, feature It is:Described crosses oil cavity(23)From upper end little differential pressure sensor(2)To lower end little differential pressure sensor(3)Between cavity it is transversal The area in face is equal.
CN201711178331.4A 2017-11-23 2017-11-23 Be used for online crude oil moisture content uniform cross section static measuring apparatu of oil recovery well Active CN108051568B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101358523A (en) * 2008-09-19 2009-02-04 大庆油田有限责任公司 Differential pressure type flow densimeter underground
CN201532391U (en) * 2009-11-10 2010-07-21 任长庆 Measuring analyzer for water contained in crude oil
CN104234691A (en) * 2014-07-24 2014-12-24 罗德全 High-precision real-time online multi-phase flow meter for oil field
CN204613144U (en) * 2015-04-22 2015-09-02 杭州飞科电气有限公司 Crude oil water content in-situ measurement equipment
CN204988392U (en) * 2015-05-18 2016-01-20 天津瑞吉德科技有限公司 Intelligence pressure differential - microwave formula oil gas water three -phase flowmeter
CN106018172A (en) * 2016-05-24 2016-10-12 南通市飞宇石油科技开发有限公司 Method and apparatus for online detecting water and oil content in petroleum
CN106323394A (en) * 2016-10-17 2017-01-11 无锡洋湃科技有限公司 Positive displacement mass flowmeter for multiphase flows

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101358523A (en) * 2008-09-19 2009-02-04 大庆油田有限责任公司 Differential pressure type flow densimeter underground
CN201532391U (en) * 2009-11-10 2010-07-21 任长庆 Measuring analyzer for water contained in crude oil
CN104234691A (en) * 2014-07-24 2014-12-24 罗德全 High-precision real-time online multi-phase flow meter for oil field
CN204613144U (en) * 2015-04-22 2015-09-02 杭州飞科电气有限公司 Crude oil water content in-situ measurement equipment
CN204988392U (en) * 2015-05-18 2016-01-20 天津瑞吉德科技有限公司 Intelligence pressure differential - microwave formula oil gas water three -phase flowmeter
CN106018172A (en) * 2016-05-24 2016-10-12 南通市飞宇石油科技开发有限公司 Method and apparatus for online detecting water and oil content in petroleum
CN106323394A (en) * 2016-10-17 2017-01-11 无锡洋湃科技有限公司 Positive displacement mass flowmeter for multiphase flows

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