CN102814143A - Instant mixing device - Google Patents

Instant mixing device Download PDF

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Publication number
CN102814143A
CN102814143A CN2012103369019A CN201210336901A CN102814143A CN 102814143 A CN102814143 A CN 102814143A CN 2012103369019 A CN2012103369019 A CN 2012103369019A CN 201210336901 A CN201210336901 A CN 201210336901A CN 102814143 A CN102814143 A CN 102814143A
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CN
China
Prior art keywords
controller
intake line
input
instant
flow rate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2012103369019A
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Chinese (zh)
Inventor
贾辉
田艺
黄凯文
欧阳铁兵
郑华安
谢思宇
梁玉凯
杨波
陈严
廖云虎
于东
颜明
于志刚
曾玉斌
吴绍伟
穆永威
彭建峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Offshore Oil Corp CNOOC
CNOOC China Ltd Zhanjiang Branch
Original Assignee
China National Offshore Oil Corp CNOOC
CNOOC China Ltd Zhanjiang Branch
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China National Offshore Oil Corp CNOOC, CNOOC China Ltd Zhanjiang Branch filed Critical China National Offshore Oil Corp CNOOC
Priority to CN2012103369019A priority Critical patent/CN102814143A/en
Publication of CN102814143A publication Critical patent/CN102814143A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an instant mixing device comprising at least two input pipelines, an output pipeline and a controller, wherein the input pipelines are communicated with the output pipeline, input flowmeters and electric flow rate adjusting valves are arranged on the input pipelines, the controller is provided with preset flow rates of the input pipelines, the input flowmeters can be used for collecting the flow rate signals of the corresponding input pipelines and sending the signals to the controller, and the controller controls the openness of the electric flow rate adjusting valves of the input pipelines according to the flow rate signals of the input pipelines in real time so as to enable the input flow rates of the input pipelines to be equal to the preset flow rates. The instant mixing device disclosed by the invention can be used for solving the problems that the plug removal agent is manually adjusted before being fed in the well to cause slow mixing proportion and non-uniform mixing effect to affect the plug removal effect and the agent flows backwards to generate safety risk, automatically and quickly preparing the plug removal agent, uniformly mixing the agent and preventing the agent from flowing backwards.

Description

Instant blending device
Technical field
The invention belongs to the technical field of oil-gas field development, specifically be meant a kind of instant blending device.
Background technology
At present, in the oilfield exploitation procedure, the near wellbore zone obstruction can cause oil well output significantly to reduce, and need take the de-plugging measure to recover oil well productivity.Conventional de-plugging medicament injects reservoir through the construction pump with medicament and carries out de-plugging after mix on ground; Mixing can react but some medicament is on ground; The long-time placement can generate the gas that influences health and job safety; These medicaments need proportionally evenly to reenter well after the mixing before going into well, and need adjust the amount of being mixed of medicament according to the variation of operational discharge capacity at any time.At present, site operation is mainly controlled the mixed ratio of two kinds of liquid through manual adjustments injection pump suction inlet valve, and the existence allotment is slow, medicament mixes the inhomogeneous plugging removal effect that influences, and also can cause medicament to pour in down a chimney the entering fluid reservoir sometimes, has certain security risk.
Above-mentioned argumentation content purpose is the various aspects of the technology that maybe be relevant with the various aspects of the present invention that below will be described and/or advocate of introducing to the reader; Believe that this argumentation content helps for the reader background information to be provided; To help understanding various aspects of the present invention better; Therefore, should be appreciated that it is to read these argumentations, rather than admit prior art with this angle.
Summary of the invention
The objective of the invention is to avoid deficiency of the prior art and a kind of instant blending device is provided; Go into before the well to solve the de-plugging medicament that the allotment of manual adjustments mixed ratio is slow, being mixed inhomogeneously influences plugging removal effect and medicament pours in down a chimney the problem that has security risk; Realize allocating the de-plugging medicament automatically, fast, also can make medicament mix, prevent that medicament from pouring in down a chimney simultaneously.
The object of the invention is realized through following technical scheme:
A kind of instant blending device is provided; It comprises at least two intake lines, output pipe and controller; Said each bar intake line all is communicated to output pipe; Be equipped with input flow rate meter and electric flow control valve on said each bar intake line, said controller is preset with the flow of each bar intake line, and said input flow rate meter is gathered the flow signal of corresponding intake line and transmitted signal to controller; Described controller is controlled the aperture of the electric flow control valve of this intake line in real time according to the flow signal of intake line, so that the input flow rate of each bar intake line equals preset flow.
Wherein, Said output pipe is provided with the output flow meter; Said output flow meter is gathered the flow signal of output pipe and is transmitted signal to controller, and said controller is controlled the aperture of the electric flow control valve of each bar intake line in real time according to the flow signal of output pipe.
Wherein, said controller is connected to control panel.
Wherein, said intake line is three.
Wherein, said intake line is provided with check valve.
Wherein, said output pipe is provided with blending bin at an end that joins with intake line.
Wherein, Said blending bin is provided with entrance and exit; Entrance and exit is separately positioned on the diagonal angle of two relative faces of blending bin; Be provided with some baffle plates with blending bin inner flat between-line spacing in the blending bin, one jiao of baffle plate is provided with opening, and the opening of adjacent two plate washers is in respectively on the diagonal angle of two plate washers.
Wherein, the aperture area of said baffle plate equates that with the area of the entrance and exit of blending bin the crest line length of blending bin is 4~8 times of the entrance and exit diameter.
 
The present invention has following beneficial effect:
The present invention is installed electric flow control valve, check valve, flowmeter and blending bin additional through changing the mode of regulating the medicament mixed ratio, has realized going into the instant in proportion allotment and evenly mixing of the preceding de-plugging medicament of well, and can prevent that medicament from pouring in down a chimney the entering fluid reservoir.On the one hand, the present invention changes to intelligent automatic regulated mode with the mode of manual adjustments medicament mixed ratio, can be according to the allotment in real time in proportion of injection pump discharge capacity demand, and it is slow to have solved manual adjustments, the inhomogenous problem of medicament mixed ratio; On the other hand, on every medicament suction line, install check valve additional, make medicament can not pour in down a chimney the entering liquid storage pipe, guaranteed construction safety; Its three, install blending bin additional and medicament is gone into realize before the well evenly mixing, guaranteed plugging removal effect.
Description of drawings
Utilize accompanying drawing that the present invention is described further, but the embodiment in the accompanying drawing do not constitute any restriction of the present invention,, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to following accompanying drawing for those of ordinary skill in the art.
Fig. 1 is the structural representation of instant blending device.
Fig. 2 is the structural representation of blending bin in the instant blending device;
Fig. 3 is the structural representation of baffle plate in the blending bin.
The specific embodiment
In order to make those skilled in the art understand technical scheme of the present invention better; Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail; Need to prove that under the situation of not conflicting, the application's embodiment and the characteristic among the embodiment can make up each other.
Core of the present invention is to provide a kind of instant blending device; It is through changing the mode of regulating the medicament mixed ratio; Install electric flow control valve, check valve, flowmeter and blending bin additional; The instant in proportion of de-plugging medicament allocated and even the mixing before having realized going into well, and can prevent that medicament from pouring in down a chimney the entering fluid reservoir.
Extremely shown in Figure 3 like Fig. 1, instant blending device of the present invention, it comprises at least two intake lines, output pipe and controller.Intake line described in the figure is three, is respectively intake line 1-1,1-2,1-3, and said intake line 1-1,1-2,1-3 all are communicated to output pipe 11, and be concrete, and said intake line 1-1,1-2,1-3 are communicated with output pipe 11 through four-way 8.Be equipped with input flow rate meter, electric flow control valve and check valve on said each bar intake line.Concrete; Said intake line 1-1 is provided with input flow rate meter 6-1, check valve 4-1, electric flow control valve 2-1; Said intake line 1-2 is provided with input flow rate meter 6-2, check valve 4-2, electric flow control valve 2-2, and said intake line 1-3 is provided with input flow rate meter 6-3, check valve 4-3, electric flow control valve 2-3.Said controller is preset with the flow of each bar intake line; Said input flow rate meter is gathered the flow signal of corresponding intake line and is transmitted signal to controller; Described controller is controlled the aperture of the electric flow control valve of this intake line in real time according to the flow signal of intake line, so that the input flow rate of each bar intake line equals preset flow.Concrete; Said controller can be made up of a plurality of sub-controller 5-1,5-2,5-3 and a master controller 5-4; Sub-controller 5-1 connects input flow rate meter 6-1 and electric flow control valve 2-1; Sub-controller 5-2 connects input flow rate meter 6-2 and electric flow control valve 2-2, and sub-controller 5-3 connects input flow rate meter 6-3 and electric flow control valve 2-3, and sub-controller 5-1,5-2,5-3 all are connected to master controller 5-4.
Wherein, Said output pipe 11 is provided with output flow meter 6-4; The flow signal that said output flow meter 6-4 gathers output pipe 11 also transmits signal to master controller 5-4, and said master controller 5-4 controls electric flow control valve 2-1, the 2-2 of each bar intake line 1-1,1-2,1-3, the aperture of 2-3 in real time according to the flow signal of output pipe 11.
Wherein, said controller is connected to control panel 9.The mixed ratio of control panel 9 inputs two or three medicament is sent to controller 5-4 through data wire,
Said output pipe 11 is provided with blending bin 10 at an end that joins with intake line.Said blending bin 10 is provided with inlet 10-2 and outlet 10-3; Inlet 10-2 and outlet 10-3 are separately positioned on the diagonal angle of two relative faces of blending bin 10; Be provided with some baffle plates with blending bin inner flat between-line spacing in the blending bin, plate washer is 3 among the figure, is respectively plate washer 10-4,10-5,10-6; One jiao of plate washer 10-4,10-5,10-6 is provided with opening, and the opening of adjacent two plate washers is in respectively on the diagonal angle of two plate washers.The aperture area of said baffle plate equates that with the area of the entrance and exit of blending bin the crest line length of blending bin is 4~8 times of the entrance and exit diameter.
When the present invention specifically uses; Mixed ratio through control panel 9 inputs two or three medicament; Be sent to master controller 5-4 through data wire, intake line 1-1,1-2,1-3 link to each other with different medicaments respectively, and output pipe 11 links to each other with the construction Pump Suction Nozzle; The changes in flow rate of flowmeter 6-4 real time measure construction pump; Then data on flows is sent to master controller 5-4, distributes various medicament flows, and the data on flows of every kind of medicament is sent to slave controller 5-1,5-2,5-3 respectively through data wire according to preset proportion; Compare with corresponding flowmeter 6-1,6-2,6-3 measurement data; Then regulating command is sent to electric flow control valve 2-1,2-2,2-3 respectively through data wire and regulates various medicament flows, realized the purpose of instant allotment in proportion, efficiently solve that allotment is slow, the inhomogenous problem of mixed ratio.After every kind of medicament passes through check valve 4-1,4-2,4-3, can not form backflow, effectively avoid medicament to pour in down a chimney the entering fluid reservoir and caused security risk.Medicament forms between each baffle plate and streams after getting into blending bin 10, has realized the even mixing before medicament is gone into well, has guaranteed the plugging removal effect of de-plugging medicament.
Set forth a lot of details so that make much of the present invention in the top description, still, the present invention can also adopt other to be different from other modes described here and implement, and therefore, can not be interpreted as the restriction to protection domain of the present invention.
In a word; The above-mentioned preferred implementation though the present invention has given an example should be explained, though those skilled in the art can carry out various variations and remodeling; Only if such variation and remodeling have departed from scope of the present invention, otherwise all should be included in protection scope of the present invention.

Claims (8)

1. instant blending device; It is characterized in that: comprise at least two intake lines, output pipe and controller; Said each bar intake line all is communicated to output pipe; Be equipped with input flow rate meter and electric flow control valve on said each bar intake line, said controller is preset with the flow of each bar intake line, and said input flow rate meter is gathered the flow signal of corresponding intake line and transmitted signal to controller; Described controller is controlled the aperture of the electric flow control valve of this intake line in real time according to the flow signal of intake line, so that the input flow rate of each bar intake line equals preset flow.
2. instant blending device according to claim 1; It is characterized in that: said output pipe is provided with the output flow meter; Said output flow meter is gathered the flow signal of output pipe and is transmitted signal to controller, and said controller is controlled the aperture of the electric flow control valve of each bar intake line in real time according to the flow signal of output pipe.
3. instant blending device according to claim 1 is characterized in that: said controller is connected to control panel.
4. instant blending device according to claim 1 is characterized in that: said intake line is three.
5. instant blending device according to claim 1 is characterized in that: said intake line is provided with check valve.
6. according to each described instant blending device in the claim 1 to 5, it is characterized in that: said output pipe is provided with blending bin at an end that joins with intake line.
7. instant blending device according to claim 6; It is characterized in that: said blending bin is provided with entrance and exit; Entrance and exit is separately positioned on the diagonal angle of two relative faces of blending bin; Be provided with some baffle plates with blending bin inner flat between-line spacing in the blending bin, one jiao of baffle plate is provided with opening, and the opening of adjacent two plate washers is in respectively on the diagonal angle of two plate washers.
8. instant blending device according to claim 7 is characterized in that: the aperture area of said baffle plate equates that with the area of the entrance and exit of blending bin the crest line length of blending bin is 4~8 times of the entrance and exit diameter.
CN2012103369019A 2012-09-13 2012-09-13 Instant mixing device Pending CN102814143A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106378054A (en) * 2016-08-31 2017-02-08 江苏新美星包装机械股份有限公司 Liquid mixing device
CN109621831A (en) * 2018-12-29 2019-04-16 安徽金大仪器有限公司 A kind of flow control system of more automatic liquid formulatings
CN109763802A (en) * 2018-09-17 2019-05-17 中国石油天然气股份有限公司 Chemical flooding multicomponent medicament adding apparatus and method
CN113731287A (en) * 2021-09-10 2021-12-03 肇庆铸技科技有限公司 Releasing agent proportioning machine for high-precision centralized liquid supply

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201735368U (en) * 2010-06-24 2011-02-09 成都泓奇实业股份有限公司 Continuous on-line automatic material mixing device
CN102179193A (en) * 2011-04-20 2011-09-14 陈家军 Method and device for generating ectopic foam
CN102316967A (en) * 2009-02-12 2012-01-11 仓敷纺织株式会社 Fluid control method and fluid control device
CN202390416U (en) * 2011-12-23 2012-08-22 上海鑫赛孚能源科技有限公司 Real-time alcohol fuel mixing and producing device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102316967A (en) * 2009-02-12 2012-01-11 仓敷纺织株式会社 Fluid control method and fluid control device
CN201735368U (en) * 2010-06-24 2011-02-09 成都泓奇实业股份有限公司 Continuous on-line automatic material mixing device
CN102179193A (en) * 2011-04-20 2011-09-14 陈家军 Method and device for generating ectopic foam
CN202390416U (en) * 2011-12-23 2012-08-22 上海鑫赛孚能源科技有限公司 Real-time alcohol fuel mixing and producing device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106378054A (en) * 2016-08-31 2017-02-08 江苏新美星包装机械股份有限公司 Liquid mixing device
CN109763802A (en) * 2018-09-17 2019-05-17 中国石油天然气股份有限公司 Chemical flooding multicomponent medicament adding apparatus and method
CN109621831A (en) * 2018-12-29 2019-04-16 安徽金大仪器有限公司 A kind of flow control system of more automatic liquid formulatings
CN113731287A (en) * 2021-09-10 2021-12-03 肇庆铸技科技有限公司 Releasing agent proportioning machine for high-precision centralized liquid supply

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Application publication date: 20121212