CN106872353B - High temperature emulsifies dynamic test set and test method - Google Patents
High temperature emulsifies dynamic test set and test method Download PDFInfo
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Abstract
The present invention provides a kind of high temperature emulsification dynamic test set and test methods.It includes visual emulsification unit that high temperature, which emulsifies dynamic test set, and the vibration unit and temperature control unit being connected respectively with visual emulsification unit.High temperature emulsifies dynamic testing method：Emulsifier solution and oil sample are added into visual test tube；Liquid medium is heated to predetermined temperature, reads water phase height and grease phase total height；Vibration on Start-up unit reads the interfacial level of oil phase emulsion band and water phase emulsion band in real time；Vibration unit is closed, the interfacial level that emulsion process terminates the oil phase emulsion band and water phase emulsion band of moment and separated in time is read；It determines emulsification coefficient and emulsion-stabilizing coefficient, completes test.Technical solution provided by the invention can accurately measure the dynamic changing data at oil phase emulsion band interface and water phase emulsion band interfacial level during oil-water emulsion and during standing demulsification, can accurately control emulsification condition, easy to operate, experimental period is short.
Description
Technical field
The present invention relates to a kind of high temperature emulsification dynamic test set and test methods, belong to emulsifiability technical field of measurement and test.
Background technology
In many industry and technical field, it is directed to the survey of oil-water emulsion ability and stability of emulsion under hot conditions
Examination and evaluation.For example, in field of petroleum exploitation, especially during the chemical flooding containing surfactant, oil-water emulsion ability and
Stability of emulsion is an important factor for influencing oil displacement efficiency and sweep efficiency.Therefore, it establishes in oil reservoir (especially high-temperature oil reservoir)
Under the conditions of, oil-water emulsion ability and stability of emulsion evaluation method are the active demands of chemical flooding theoretical and technological studies.
Existing oil-water emulsion and stability of emulsion test method mainly have hand method and mechanical mixing method.For a long time,
Both methods plays the role of critically important in oil-water emulsion Related Research Domain extensive use.But both methods exists
Some problems, as described below：
1. (especially more than 100 DEG C) emulsification evaluation experimental cannot be carried out under the high temperature conditions；
2. oil sample is often adhered to wall surface, it is difficult to read；
3. the position of each boundary in emulsion process can not be measured, the multidate information of emulsion process can not be obtained；
4. the suspension of oil droplet creates great difficulties initial emulsification measurement surely；
5. the emulsification condition of hand method is difficult to quantified controlling.
Therefore it provides it is a kind of under the high temperature conditions, test the instrument and method of oil-water emulsion ability and stability of emulsion at
For high-temperature oil reservoir exploitation and other related fields technical problem urgently to be resolved hurrily.
Invention content
In order to solve the above technical problems, the purpose of the present invention is to provide a kind of high temperature emulsification dynamic test set and test sides
Method.Technical solution provided by the invention can accurately measure oil phase-emulsification during oil-water emulsion and during standing demulsification
The dynamic changing data at the interface of band and the interfacial level of water phase-emulsion band can accurately control emulsification condition, easy to operate, real
It is short to test the period.
In order to achieve the above objectives, the present invention provides a kind of high temperature to emulsify dynamic test set, and high temperature emulsification dynamic is tested
Instrument includes visual emulsification unit, and the vibration unit and temperature control unit being connected respectively with the visual emulsification unit；Its
In,
The visual emulsification unit includes visual container, graduated scale and visual test tube；Wherein, the graduated scale and visual examination
Pipe is located in the visual container；
The temperature control unit includes temperature controller, and the thermocouple that is connected respectively with the temperature controller and
Electrothermal tube；Wherein, the heating position of the electrothermal tube and the measuring point of the thermocouple are respectively positioned on the visual container
It is internal；
The vibration unit includes vibration machine, and the vibration regulation and control being connected with the vibration machine and display instrument
Table.
In above-mentioned high temperature emulsifies dynamic test set, it is preferable that the graduated scale is the scale made of stainless steel material
Ruler, the visual test tube are teat glass, but not limited to this.
Above-mentioned high temperature emulsify dynamic test set in, the visual container be obtained by heat resisting and pressure resisting material preparation it is visual
Container (such as can be the visual container made of heat resisting and pressure resisting glass), the visual container can be resistant to 150 DEG C of high temperature；
The electrothermal tube can be used for heating the liquid medium in the visual container, and the thermocouple can measure liquid in real time
The temperature of body medium, the temperature that the temperature controller can be used for regulating and controlling experimental temperature and real-time display thermocouple measures in real time
Degree.
In above-mentioned high temperature emulsifies dynamic test set, it is preferable that the graduated scale is vertically arranged in the visual container
It is internal；The top of the graduated scale is connected with the top of the visual container, and the bottom end of the graduated scale is in vacant state, does not have
Have and is connected with the bottom end of visual container；Initial scale value on the graduated scale is with the visual bottom for trying liquid in pipe same
On one horizontal line/face.
In above-mentioned high temperature emulsifies dynamic test set, it is preferable that the visual test tube is vertically placed in described visual
In container, it is mutually parallel with the graduated scale.
In above-mentioned high temperature emulsifies dynamic test set, it is preferable that the top of the visual test tube is equipped with sealing-plug.
In above-mentioned high temperature emulsifies dynamic test set, it is preferable that the vibration frequency of the vibration unit is 100Hz-105Hz,
Power is 0-200W.
In above-mentioned high temperature emulsifies dynamic test set, it is preferable that the high temperature emulsifies dynamic test set using the connection of spiral shell button
The vibration machine is connected by mode with the bottom of the visual container, but not limited to this, other routine connection types
It can be with.
High temperature provided by the invention emulsifies dynamic test set, hot conditions can be simulated, in oil-water emulsion process and lotion
During demulsification, the dynamic change of the interface location of oil phase-emulsion band and the interface location of water phase-emulsion band can be accurately measured
Data, the error of initial emulsification measurement caused by eliminating oil droplet suspension and Gravity Separation；At the same time, it is vibrated by adjusting
The power in source can accurately control emulsification condition, realize the repeatable operation of test condition；In addition, easy to operate, experimental period
It is short.
The present invention also provides a kind of high temperature to emulsify dynamic testing method comprising following steps：
Emulsifier solution (water phase) is first added into visual test tube, oil sample (oil phase) is then added, so that water phase is visual
The lower part of test tube, oil phase is after top, addition, screwing hermetic plug；
Visual test tube is placed in visual container, injects liquid medium into the visual container, until liquid medium soaks
Do not have the visual test tube；
Liquid medium is heated to predetermined temperature by start-up temperature control unit, on the basis of the bottom of water phase, passes through scale
Ruler reads and records the height (i.e. the total height of water phase and oil phase) and water phase-oil phase of oil phase top liquid level in visual test tube
Initial interface height；
Vibration on Start-up unit, on the basis of the bottom of water phase, read in real time and record the interfacial level of oil phase-emulsion band with
And the interfacial level of water phase-emulsion band, until the interfacial level of the interfacial level of oil phase-emulsion band and water phase-emulsion band is no longer
Variation；
Vibration unit is closed, on the basis of the bottom of water phase, reads the boundary that emulsion process terminates oil phase-emulsion band of moment
Then the interfacial level of face height and water phase-emulsion band reads the interfacial level and water phase-emulsion band of oil phase-emulsion band in real time
Interfacial level, until the interfacial level of oil phase-emulsion band and the interfacial level of water phase-emulsion band no longer change or emulsion band disappears
It loses；Wherein, read in real time oil phase-emulsion band interfacial level and water phase-emulsion band interfacial level when can be spaced it is corresponding
Period (period can be determines according to actual conditions) reads the interfacial level and water phase-emulsion band of oil phase-emulsion band
Interfacial level.
According to the data for reading and recording, determines corresponding emulsification oil cut rate of each testing time or emulsified water rate, then determine
Coefficient and emulsion-stabilizing coefficient are emulsified, the test of oil-water emulsion performance is completed.
Vibration on Start-up unit reads and records the interfacial level and water phase-of oil phase-emulsion band in emulsion process in real time
When the interfacial level of emulsion band, vibration early period is high due to the interfacial level of oil phase-emulsion band and the interface of water phase-emulsion band
Degree variation is very fast, can correspondingly shorten time interval, reads and record the interfacial level and water phase-breast of oil phase-emulsion band
Change the situation of change of the interfacial level of band；Vibrate interfacial level and water phase-emulsion band of the later stage due to oil phase-emulsion band
When interfacial level variation is slower, it can correspondingly extend time interval, to record the situation of change of height.
Technical solution provided by the invention by measuring position and the water phase-emulsion band at the interface of oil phase-emulsion band in real time
Interface position dynamic change, calculate corresponding emulsification oil cut rate (oil mass and the ratio between original oil total amount for participating in emulsification) or
Emulsified water rate (participates in the ratio between the water of emulsification and original water inventory), and oil emulsion (or water) rate of drafting is incremented by performance graph.It is based on
The curve determines comprehensive characterization emulsifying rate and the emulsification coefficient of emulsifying amount；To emulsify coefficient as index, oil displacement agent can be evaluated
With the emulsifying capacity of oil sample.After emulsifying amount reaches equilibrium valve, stop vibration, records interface and the water phase-emulsification of oil phase-emulsion band
The dynamic change at the interface of band；The performance graph that oil emulsion (or water) rate of drafting is successively decreased calculates emulsion-stabilizing coefficient；It is steady with lotion
It is index to determine coefficient, can evaluate emulsion intercalation method.
In the above-mentioned methods, it is preferable that in visual test tube, the ratio between volume of oil phase and water phase is 1:1.
In the above-mentioned methods, it is preferable that the initial scale value on the bottom and graduated scale of visual test tube inner aqueous phase is same
On horizontal line/face.
In the above-mentioned methods, it is preferable that the calculation formula of the emulsification oil cut rate is as shown in Equation 1：
In formula 1, EoTo emulsify oil cut rate；On the basis of the bottom of water phase, H0For the initial interface height of water phase-oil phase, H1
For the total height of water phase and oil phase, H2For the interfacial level of institute's oil phase-emulsion band.
In the above-mentioned methods, it is preferable that the calculation formula of the emulsified water rate is as shown in Equation 2：
In formula 2, EwFor emulsified water rate；On the basis of the bottom of water phase, H0For the initial interface height of water phase-oil phase, H3
For the interfacial level of water phase-emulsion band.
In the above-mentioned methods, it is preferable that this method further includes the relation curve of structure emulsification oil cut rate and time of vibration, or
The step of relation curve of structure emulsified water rate and time of vibration.Emulsification coefficient can be obtained based on this relation curve, is emulsified
Coefficient being capable of comprehensive characterization oil-water emulsion speed and emulsifying amount.
In the above-mentioned methods, it is preferable that the calculation formula of the emulsification coefficient is as shown in Equation 3
In formula 3, EI is emulsification coefficient；Wherein, A1And A2Calculation formula as shown in formula 4-1 or formula 4-2
In formula 4-1, Eo(t) it is emulsification oil cut rate EoWith the relation curve of time of vibration t；teFor the time of cut-off vibration；Eoe
For balance emulsification oil cut rate (emulsifying emulsification oil cut rate when reaching equilibrium state)；
In formula 4-2, Ew(t) it is emulsified water rate EwWith the relation curve of time of vibration t；teFor the time of cut-off vibration；Ewe
For balance emulsified water rate (emulsifying emulsified water rate when reaching equilibrium state).
In a specific embodiment, determine that emulsification coefficient includes following procedure：
To emulsify oil cut rate EoFor ordinate, time of vibration t is abscissa, draws emulsification oil cut rate EoWith the relationship of time of vibration t
Curve is (as shown in figure 3, t in figureeFor the time of cut-off vibration, EoeOil cut rate is emulsified for balance)；Wherein, by curve and abscissa and
End the time t of vibrationeThe area surrounded is denoted as A1；By balance emulsification oil cut rate Eoe, cut-off vibration time teIt is enclosed with transverse and longitudinal coordinate
At rectangular area be denoted as A2；
The calculation formula of the emulsification coefficient EI is as shown in Equation 3
In formula 3, A1And A2Calculation formula as shown in formula 4-1
In technical solution provided by the invention, it is also based on the emulsified water rate of structure and the relation curve of time of vibration
Obtain emulsification coefficient；In actual mechanical process, due to the difference of emulsifier property, the interface of oil phase-emulsion band and water phase-breast
The interface readability for changing band is different：If the interface of oil phase-emulsion band is clear, the pass of emulsification oil cut rate and time of vibration can be drawn
It is curve, to obtain emulsification coefficient；If the interface of water phase-emulsion band is clear, the pass of emulsified water rate and time of vibration can be drawn
It is curve, to obtain emulsification coefficient.
In the above-mentioned methods, it is preferable that this method further includes the relation curve of structure emulsification oil cut rate and water-oil separating time,
Or the step of structure emulsified water rate and relation curve of water-oil separating time.It is steady that lotion can be obtained based on this relation curve
Determine coefficient, emulsion-stabilizing coefficient can evaluate emulsion intercalation method.
In the above-mentioned methods, it is preferable that the calculation formula of the emulsion-stabilizing coefficient is as shown in Equation 5
In formula 5, SEFor emulsion-stabilizing coefficient；Wherein, A3And A4Calculation formula as shown in formula 6-1 or formula 6-2
In formula 6-1, Eo(t) it is emulsification oil cut rate EoWith the relation curve of water-oil separating time t；tsIt is kept completely separate for grease
Time；Eo0For initial emulsification oil cut rate；
In formula 6-2, Ew(t) it is emulsified water rate EwWith the relation curve of water-oil separating time t；tsIt is kept completely separate for grease
Time；Ew0For initial emulsification water rate.
In a specific embodiment, determine that emulsion-stabilizing coefficient includes following procedure：
To emulsify oil cut rate EoFor ordinate, water-oil separating time t is abscissa, draws emulsification oil cut rate EoWhen with water-oil separating
Between t relation curve (as shown in figure 4, t in figuresFor the time that grease is kept completely separate, Eo0For initial emulsification oil cut rate)；Wherein, will
Curve is denoted as A with the area that transverse and longitudinal coordinate surrounds3；By initial emulsification oil cut rate Eo0, the time t that is kept completely separate of greasesIt is sat with transverse and longitudinal
It marks the rectangular area surrounded and is denoted as A4；
The emulsion-stabilizing coefficient SECalculation formula it is as shown in Equation 5
In formula 5, A3And A4Calculation formula as shown in formula 6-1
In the above-mentioned methods, the emulsified water rate for being also based on structure and the relation curve of water-oil separating time obtain lotion
The coefficient of stability.
In the above-mentioned methods, it is preferable that this method further includes relatively emulsification coefficient and the emulsion-stabilizing coefficient pair according to acquisition
The step of emulsifiability of different emulsifiers is evaluated, evaluation criterion are：
The value for emulsifying coefficient EI is bigger, then the emulsifying capacity of emulsifier is stronger；
Emulsion-stabilizing coefficient SEValue it is bigger, then emulsion intercalation method is stronger.
Beneficial effects of the present invention：
1) experimental temperature of technical solution provided by the invention can reach 150 DEG C, will not be adhered in emulsion process
The phenomenon that wall surface, is easy to read to ensure that emulsion process median surface is clear；
2) technical solution provided by the invention can accurately measure interface and the water phase-emulsion band of oil phase-emulsion band
Interface dynamic changing data；And it can accurately measure initial emulsification amount；
3) technical solution provided by the invention can accurately measure oil phase-emulsion band during emulsion process and demulsification
Interface location and water phase-emulsion band interface location dynamic change, eliminate caused by oil droplet suspension and Gravity Separation just
Beginning emulsifying amount measurement error；At the same time, by adjusting the power of vibration source, emulsification condition can be accurately controlled, test is realized
The repeatable operation of condition；In addition, it is easy to operate, experimental period is short；
4) technical solution provided by the invention is related to the test of the emulsifiability under the conditions of room temperature to high temperature (≤150 DEG C),
It can be applied to oil-gas field development technical field (such as test of the oil-water emulsion performance under the conditions of high-temperature oil reservoir) and other phases
Pass field (such as food engineering, what emulsifiability involved in the industries such as chemical engineering was tested can use provided by the invention
Technical solution)；It is carried out in oil-gas field development field in application, technical solution provided by the invention is Oil Field screening and grinds
Emulsifier under sending out reservoir condition corresponding provides foundation, and support is provided for water drive, gas drive, chemical flooding theoretical and technological studies.
Description of the drawings
Fig. 1 is the structural schematic diagram that the high temperature that embodiment 1 provides emulsifies dynamic test set；
Fig. 2 is the schematic diagram for the parameter for needing to read and record in embodiment 2；A in figure is to need to read before vibration emulsifies
The parameter for taking and recording, the b in figure are to vibrate the parameter for needing to read and record in emulsion process；
Fig. 3 is the relation curve that oil cut rate and time of vibration are emulsified in embodiment 2；
Fig. 4 is the relation curve that oil cut rate and water-oil separating time are emulsified in embodiment 2；
Main Reference label declaration：
1：Heat resisting and pressure resisting glass infuser；2：Steel ruler；3：Thermocouple；4：Electrothermal tube；5：Teat glass；6：Temperature controller；7：
Vibration machine；8：Vibration regulation and control and display instrument.
Specific implementation mode
In order to which technical characteristic, purpose and the advantageous effect to the present invention are more clearly understood, now to the skill of the present invention
Art scheme carry out it is described further below, but should not be understood as to the present invention can practical range restriction.
Embodiment 1
A kind of high temperature emulsification dynamic test set is present embodiments provided, structural schematic diagram is as shown in Figure 1.
The high temperature emulsify dynamic test set include visual emulsification unit, and with shake respectively with what visual emulsification unit was connected
Moving cell and temperature control unit；Wherein,
Visual emulsification unit includes heat resisting and pressure resisting glass infuser 1, steel ruler 2 and teat glass 5；5 equal position of steel ruler 2 and teat glass
In heat resisting and pressure resisting glass infuser 1；Wherein, heat resisting and pressure resisting glass infuser 1 can bear 150 DEG C of high temperature and the pressure of 1.5MPa；Steel ruler 2
Top be connected with the top of heat resisting and pressure resisting glass infuser 1, the bottom end of steel ruler 2 is in vacant state, not with heat resisting and pressure resisting glass
The bottom end of cylinder 1 is connected, and along the direction on top to bottom end, scale value thereon is gradually reduced steel ruler 2；The top of teat glass 5
Equipped with sealing-plug；
Temperature control unit includes temperature controller 6, and the thermocouple 3 and electric heating being connected respectively with temperature controller 6
Pipe 4；The heating position of electrothermal tube 4 and the measuring point of thermocouple 3 are respectively positioned on the inside of heat resisting and pressure resisting glass infuser 1；Electrothermal tube 4
It can be used for heating the liquid medium in heat resisting and pressure resisting glass infuser, thermocouple 3 can measure the temperature of liquid medium in real time
Degree；
Vibration unit includes vibration machine 7, and the vibration regulation and control being connected with vibration machine 7 and display instrument 8.
Embodiment 2
Present embodiments provide a kind of high temperature emulsification dynamic testing method comprising following steps：
Prepared emulsifier solution (water phase) in advance is first added into teat glass 5, oil sample (oil phase), the two are added afterwards
The ratio between volume is 1:1, after oil sample is added, screw bottle stopper sealing.
Teat glass 5 is put into heat resisting and pressure resisting glass infuser 1, keep teat glass 5 straight up, at this time water phase under,
Oil phase is upper；Make the bottom of the initial scale value and water phase on steel ruler 2 on same horizontal line/face simultaneously, height is read to facilitate
Degree.
The injection heating medium deionized water into heat resisting and pressure resisting glass infuser 1 submerges teat glass 5.Open temperature control
Temperature is set as target reservoir temperature by instrument 6 processed, and electrothermal tube 4 starts to heat deionized water at this time, and thermocouple 3 can be real-time
Ground measures the actual temperature of deionized water.
Constant temperature makes the temperature of oil sample and emulsifier solution in teat glass 5 reach the experimental temperature of setting, utilizes steel at this time
Ruler 2 reads and records the total height of teat glass 5 inner aqueous phase and oil phase, is denoted as H1And the initial interface height of water phase-oil phase
(initial interface of water phase-oil phase refers to the interface formed between water phase and oil phase two-phase), is denoted as H0, such as a institutes in Fig. 2
Show.
Opening vibration regulation and control and display instrument 8, vibration machine 7 is started to work at this time, while starting stopwatch, real-time, accurate
Really read and record the interfacial level H of oil phase-emulsion band2Dynamic change situation and water phase-emulsion band interfacial level
H3Dynamic change situation, as shown in the b in Fig. 2.With the extension of effect of vibration time, H2、H3Height be basically unchanged, this
When record cut-off vibration time te(t in the present embodimenteIt it is 20 minutes).
Vibration regulation and control and display instrument 8, cut-off vibration are closed, while starting stopwatch, records the boundary of oil phase-emulsion band in real time
Face height H2With the interfacial level H of water phase-emulsion band3Dynamic change situation, wait for H2、H3Height be basically unchanged or emulsion band
When disappearance, experiment terminates, the record time t that grease is kept completely separate at this times。
After experiment, closing temperature controller 6 takes out glass when the temperature in visual emulsification unit is down to room temperature
Oil sample in teat glass 5 and emulsifier solution are poured into waste liquid barrel recycling by test tube 5, and it is spare 5 next time to clean teat glass.
Based on the experimental data of above-mentioned record, Data Analysis Services are carried out, to obtain for evaluating oil displacement agent and oil sample
The emulsification coefficient EI of emulsifying capacity, and the emulsion-stabilizing coefficient S for evaluating stability of emulsionE：
1) emulsification oil cut rate E is calculatedo, calculation formula is as shown in Equation 1
2) emulsification coefficient EI is calculated：Using time of vibration t as abscissa, oil cut rate E is emulsifiedoEmulsification oil cut rate is drawn for ordinate to pass
The performance graph (as shown in Figure 3) of increasing；T is time of vibration, E in Fig. 3oeOil cut rate, t are emulsified for balanceeFor the time of cut-off vibration；
A in figure1For emulsification oil cut rate performance graph, the time t of abscissa and cut-off vibrationeArea (i.e. the moon in Fig. 3 that=20min is surrounded
Shadow part)；A2For balance emulsification oil cut rate EoeWith the time t of cut-off vibrationeThe rectangular area surrounded；
The calculation formula for emulsifying coefficient EI is as shown in Equation 3
In formula 3, A1And A2Calculation formula as shown in formula 4-1
Emulsification coefficient EI can evaluate the emulsifying capacity of oil displacement agent and oil sample：The value for emulsifying coefficient EI is bigger, then emulsifier
Emulsifying capacity it is stronger, selected in the chemical flooding containing surfactant emulsification coefficient EI values it is maximum as the displacement of reservoir oil emulsification
Agent.
3) emulsion-stabilizing coefficient S is calculatedE：Using water-oil separating time t as abscissa, oil cut rate E is emulsifiedoBreast is drawn for ordinate
The performance graph (as shown in Figure 4) that carburetion rate reduces；T is water-oil separating time, E in Fig. 4o0For initial emulsification oil cut rate, tsFor oil
The time that water is kept completely separate；A in figure3Area (the shadow part in Fig. 4 surrounded for emulsification oil cut rate performance graph and two reference axis
Point)；A4For initial emulsification oil cut rate Eo0, grease be kept completely separate time tsThe rectangular area surrounded with two reference axis.
Emulsion-stabilizing coefficient SECalculation formula it is as shown in Equation 5
In formula 5, A3And A4Calculation formula as shown in formula 6-1
Emulsion-stabilizing coefficient SEEmulsion intercalation method can be evaluated：Emulsion-stabilizing coefficient SEValue it is bigger, then the stabilization of lotion
Property is stronger.
By comparing emulsification coefficient EI and emulsion-stabilizing coefficient SEThe emulsifiability of different emulsifiers is evaluated：
The value for emulsifying coefficient EI is bigger, then the emulsifying capacity of emulsifier is stronger；
Emulsion-stabilizing coefficient SEValue it is bigger, then emulsion intercalation method is stronger.
The foregoing is merely the schematical specific implementation modes of the present invention, are not limited to the scope of the present invention.It is any
Those skilled in the art, made equivalent variations and modification under the premise of not departing from design and the principle of the present invention,
The scope of protection of the invention should be belonged to.
Claims (11)
1. a kind of high temperature emulsifies dynamic testing method comprising following steps：
Emulsifier solution is first added into visual test tube, oil sample is then added, after oil sample is added, screwing hermetic plug；
Visual test tube is placed in visual container, injects liquid medium into the visual container, until liquid medium submerges institute
State visual test tube；
Liquid medium is heated to predetermined temperature by start-up temperature control unit, on the basis of the bottom of water phase, is read by graduated scale
Take the total height of visual test tube inner aqueous phase and oil phase and the initial interface height of water phase-oil phase；
Vibration on Start-up unit reads the interfacial level and water phase-breast of oil phase-emulsion band in real time on the basis of the bottom of water phase
Change the interfacial level of band, until the interfacial level of oil phase-emulsion band and the interfacial level of water phase-emulsion band no longer change；
Vibration unit is closed, on the basis of the bottom of water phase, the interface for reading oil phase-emulsion band that emulsion process terminates moment is high
Then the interfacial level of degree and water phase-emulsion band reads the boundary of the interfacial level and water phase-emulsion band of oil phase-emulsion band in real time
Face height, until the interfacial level of oil phase-emulsion band and the interfacial level of water phase-emulsion band no longer change or emulsion band disappears；
It determines corresponding emulsification oil cut rate of each testing time or emulsified water rate, then determines emulsification coefficient and emulsion-stabilizing coefficient, it is complete
At the test of oil-water emulsion performance；Wherein,
The calculation formula of the emulsification coefficient is as shown in Equation 1
In formula 1, EI is emulsification coefficient；Wherein, A1And A2Calculation formula as shown in formula 2-1 or formula 2-2
In formula 2-1, Eo(t) it is emulsification oil cut rate EoWith the relation curve of time of vibration t；teFor the time of cut-off vibration；EoeIt is flat
Weighing apparatus emulsification oil cut rate；
In formula 2-2, Ew(t) it is emulsified water rate EwWith the relation curve of time of vibration t；teFor the time of cut-off vibration；EweIt is flat
Weigh emulsified water rate；
The calculation formula of the emulsion-stabilizing coefficient is as shown in Equation 3
In formula 3, SEFor emulsion-stabilizing coefficient；Wherein, A3And A4Calculation formula as shown in formula 4-1 or formula 4-2
In formula 4-1, Eo(t) it is emulsification oil cut rate EoWith the relation curve of water-oil separating time t；tsFor grease be kept completely separate when
Between；Eo0For initial emulsification oil cut rate；
In formula 4-2, Ew(t) it is emulsified water rate EwWith the relation curve of water-oil separating time t；tsFor grease be kept completely separate when
Between；Ew0For initial emulsification water rate.
2. according to the method described in claim 1, wherein, the tester used in the high temperature emulsification dynamic testing method is high temperature
Emulsify dynamic test set comprising visual emulsification unit, and the vibration unit that is connected respectively with the visual emulsification unit and
Temperature control unit；Wherein,
The visual emulsification unit includes visual container, graduated scale and visual test tube；Wherein, the graduated scale and visual test tube position
In in the visual container；
The temperature control unit includes temperature controller, and the thermocouple and electric heating being connected respectively with the temperature controller
Pipe；Wherein, the heating position of the electrothermal tube and the measuring point of the thermocouple are respectively positioned on the interior of the visual container
Portion；
The vibration unit includes vibration machine, and the vibration regulation and control being connected with the vibration machine and display instrument.
3. according to the method described in claim 1, wherein, the graduated scale is vertically arranged in the inside of the visual container；
The top of the graduated scale is connected with the top of the visual container, and bottom end is in vacant state.
4. according to the method described in claim 1, wherein, the initial scale value on the bottom and graduated scale of visual test tube inner aqueous phase
In the same horizontal line.
5. method according to claim 1 or 4, wherein the calculation formula of the emulsification oil cut rate is as shown in Equation 5
In formula 5, EoTo emulsify oil cut rate；On the basis of the bottom of water phase, H0For the initial interface height of water phase-oil phase, H1For water
The total height of phase and oil phase, H2For the interfacial level of oil phase-emulsion band.
6. method according to claim 1 or 4, wherein the calculation formula of the emulsified water rate is as shown in Equation 6
In formula 6, EwFor emulsified water rate, on the basis of the bottom of water phase, H0For the initial interface height of water phase-oil phase；H3For water
The interfacial level of phase-emulsion band.
7. according to the method described in claim 1, wherein, this method further includes the relationship song of structure emulsification oil cut rate and time of vibration
Line, or the step of relation curve of structure emulsified water rate and time of vibration.
8. according to the method described in claim 5, wherein, this method further includes the relationship song of structure emulsification oil cut rate and time of vibration
Line, or the step of relation curve of structure emulsified water rate and time of vibration.
9. according to the method described in claim 1, wherein, this method further includes the pass of structure emulsification oil cut rate and water-oil separating time
It is curve, or the step of structure emulsified water rate and relation curve of water-oil separating time.
10. according to the method described in claim 5, wherein, this method further includes structure emulsification oil cut rate and water-oil separating time
Relation curve, or the step of structure emulsified water rate and relation curve of water-oil separating time.
11. according to the method described in claim 1, wherein, this method further includes the emulsification coefficient and emulsion-stabilizing according to acquisition
The step of coefficient evaluates the emulsifiability of different emulsifiers, evaluation criterion are：
The value for emulsifying coefficient EI is bigger, then the emulsifying capacity of emulsifier is stronger；
Emulsion-stabilizing coefficient SEValue it is bigger, then emulsion intercalation method is stronger.
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| CN109323960A (en) * | 2017-08-01 | 2019-02-12 | 巴彦淖尔盛安化工有限责任公司 | A kind of emulsifier energy force detection system |
| CN108663313A (en) * | 2018-06-13 | 2018-10-16 | 北京朝阳高科应用技术研究所有限公司 | Host apparatus for testing fuels lubricity |
| CN109142460A (en) * | 2018-10-12 | 2019-01-04 | 中国海洋石油集团有限公司 | A method of it is strong and weak to evaluate different poly- table binary complex system emulsifying soln ability |
| CN113413811B (en) * | 2021-04-02 | 2022-07-12 | 青岛金智瑞油气田开发技术发展有限公司 | High-temperature mixing device and method |
| CN113514607B (en) * | 2021-04-26 | 2023-09-08 | 东北石油大学 | Device and method for evaluating performance of microemulsion for oil displacement |
| CN114441384B (en) * | 2022-01-29 | 2022-08-30 | 中国石油大学(北京) | Method, device and system for joint measurement of emulsifying capacity and emulsion stability of rotary fluid |
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