CN206960418U - The evaluating apparatus of foam power of regeneration during three-dimensional rock core displacement - Google Patents
The evaluating apparatus of foam power of regeneration during three-dimensional rock core displacement Download PDFInfo
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- CN206960418U CN206960418U CN201621364125.3U CN201621364125U CN206960418U CN 206960418 U CN206960418 U CN 206960418U CN 201621364125 U CN201621364125 U CN 201621364125U CN 206960418 U CN206960418 U CN 206960418U
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Abstract
The utility model provides a kind of evaluating apparatus of foam power of regeneration during three-dimensional rock core displacement, and the device includes：Three-dimensional core model side opens up multiple sample taps, each sample tap is connected with a sampler, the three-dimensional rock core of different permeabilities can be filled inside the model, sampler is used for the core fluids for collecting corresponding sample tap position, three-dimensional core model is connected with six-way valve, six-way valve connects crude oil respectively, the intermediate receptacle of foaming agent and N2 gases, the other end connection back-pressure valve of three-dimensional core model, back-pressure valve is connected with N2 gas cylinders and output liquid container respectively, CT scanner is connected with three-dimensional core model, for scanning CT value of the three-dimensional rock core under different voltages and different condition, rock core is evaluated by obtained CT values, consider to evaluate the power of regeneration of foam diverse location at different moments in the case of fluid saturation in stratum, do not apply numerical simulation, can real reaction experiment actual value.
Description
Technical field
Foam is again during the utility model is related to Oil-Gas Field Development Engineering technology, more particularly to a kind of three-dimensional rock core displacement
The evaluating apparatus of raw ability.
Background technology
Foaming agent constantly can vanish and regenerate during rock core displacement, the valid density meeting under the influence of formation fluid
Reduce, while also can adsorb a part of foaming agent in rock surface, and the saturation degree of fluid can be also influenceed in stratum in stratum
The power of regeneration of foam.This causes activity of the surfactant in rock core to be greatly reduced, and will directly affect surfactant
Drive and the effect of foam flooding.Therefore, evaluating the foam power of regeneration during rock core displacement both needs to obtain the effective of foaming agent
Concentration, it is also desirable to the three-phase saturation numerical value at this section.
The patent that number of patent application is CN 201310739301.1 passes through the side that is stirred to the foaming agent solution of output
Method determines its foaming volume and half-life period, so as to evaluate foam power of regeneration.This method is by collecting the output of certain volume
Liquid is evaluated, and is the performance of the foaming agent solution of output in a period, it is impossible to obtain the foam at the diverse location of stratum
Power of regeneration.And the presence of oil gas water can influence the power of regeneration of foaming agent in the earth formation, it has to consider.In addition, 2012
Nian《Petroleum geology and engineering》The paper that the 1st phase of volume 26 delivers《In pore media foam size and power of regeneration research with
Using》The regenerability of several foaming agents is have studied using the visual foam generation of self assembly and means of locomotion, is existed by foaming agent
Ability, the sealing characteristics under low concentration and the anti-stratum water dilution capacity for producing foam under low concentration weigh foam Regenerated energy
Power, relatively large this point mainly is influenceed by concentration using foam height, bubble is evaluated with the foaming volume of foaming agent production fluid
The power of regeneration of foam.Although this method is associated with foaming agent concentration by the power of regeneration of foaming agent, the liquid of production fluid
Measure limited, and be the production fluid of a period, experimental result repeatability is poor, is had a great influence by factors such as temperature.
In summary, evaluation method of foam power of regeneration during rock core displacement is mostly numerical simulation or led at present
Cross paddling process and foamability and half-life period are carried out to production fluid, evaluation that can not the be authentic and valid foam during rock core displacement
Power of regeneration.
Utility model content
The utility model provides a kind of evaluating apparatus of foam power of regeneration during three-dimensional rock core displacement, for solving mesh
Preceding evaluation method of foam power of regeneration during rock core displacement is mostly numerical simulation or production fluid is entered by paddling process
Row foamability and half-life period, evaluation that can not be authentic and valid is the power of regeneration of foam during rock core displacement the problem of.
The utility model first aspect provides a kind of evaluating apparatus of foam power of regeneration during three-dimensional rock core displacement, bag
Include：
Three-dimensional core model, the three-dimensional core model top surface and one side offer equidistant multiple sample taps, often
Individual sample tap is connected with a sampler；The three-dimensional rock core of different grains can be filled inside the three-dimensional core model；Each sampling
Device is used for the core fluids for collecting corresponding sample tap position；
Described three-dimensional core model one end is connected with six-way valve, and the six-way valve other end connects respectively to be held among crude oil
Device, foaming agent intermediate receptacle and N2Gas intermediate receptacle；The other end connection back-pressure valve of the three-dimensional core model, the back pressure
Valve respectively with N2Gas cylinder connects with output liquid container；
CT scanner, the CT scanner are connected with the three-dimensional core model, for scanning the three-dimensional rock core not
With the CT values under voltage and different condition.
In a kind of concrete implementation mode, the three-dimensional core model includes metal shell, is provided with shell rectangular
The inner chamber of shape, the inner chamber are used to fill the different core material of particle diameter when evaluating three-dimensional rock core.
In a kind of concrete implementation mode, the entrance point of the shell of the three-dimensional core model and port of export both ends
Hickey is respectively arranged with, the entrance point of the shell is connected by hickey with the six-way valve；The shell goes out
Mouth section is connected by hickey with the back-pressure valve.
In a kind of concrete implementation mode, the crude oil intermediate receptacle, the foaming agent intermediate receptacle and the N2Gas
Body intermediate receptacle is respectively arranged with constant-flux pump, and the constant-flux pump is used to lead to the fluid in corresponding intermediate receptacle by described six
Valve inputs the three-dimensional core model.
In a kind of concrete implementation mode, the crude oil intermediate receptacle, the N2 gases intermediate receptacle and the foaming
Piston is provided with agent intermediate receptacle, the constant-flux pump being connected with each intermediate receptacle can promote piston movement so that container
In fluid enter the three-dimensional core model.
In a kind of concrete implementation mode, each sampler includes stainless steel casing and clear glass inner bag, described to take
Sample device both ends are respectively arranged with the inlet and liquid outlet being connected with clear glass inner bag, and the inlet passes through pipeline and institute
State corresponding sample tap connection, the liquid outlet in three-dimensional core model and be connected with valve.
In a kind of concrete implementation mode, described N2Gas intermediate receptacle, the foaming agent intermediate receptacle, the original
Oily intermediate receptacle and the N2Pressure gauge is respectively connected with gas cylinder.
In a kind of concrete implementation mode, foam hair is provided between the foaming agent intermediate receptacle and the six-way valve
Raw device.
In a kind of concrete implementation mode, the N2Gas stream is provided between gas interstitial volume and the six-way valve
Gauge.
The evaluating apparatus of foam power of regeneration, same by CT dual intensities during three-dimensional rock core displacement provided by the utility model
Walk scanning method and obtain three-phase fluid saturation degree during three-dimensional rock core displacement, and high performance liquid chromatography can be utilized to sampling
Solution example in device carries out the detection of foaming agent valid density, prepares the foaming agent solution of corresponding valid density, passes through stirring
The foamability of foaming agent solution of the method evaluation under the conditions of different oil saturations, and then evaluate in three-dimensional rock core displacement process
Middle foam power of regeneration.The utility model in the case of fluid saturation in considering stratum to foam diverse location at different moments
Power of regeneration evaluated, not using numerical simulation, it is assumed that it is less, can real reaction experiment actual value.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are
Some embodiments of the utility model, for those of ordinary skill in the art, do not paying the premise of creative labor
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the evaluating apparatus structural representation of foam power of regeneration during three-dimensional rock core displacement provided by the utility model
Figure；
Fig. 2 is the application side of the evaluating apparatus of foam power of regeneration during three-dimensional rock core displacement provided by the utility model
The flow chart of method embodiment one；
Fig. 3 is the application side of the evaluating apparatus of foam power of regeneration during three-dimensional rock core displacement provided by the utility model
The flow chart of method embodiment two.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
Fig. 1 is the evaluating apparatus structural representation of foam power of regeneration during three-dimensional rock core displacement provided by the utility model
Figure, as shown in figure 1, the evaluating apparatus of foam power of regeneration includes during the three-dimensional rock core displacement：
Three-dimensional core model 9, the top surface and one side of the three-dimensional core model 9 offer equidistant multiple sample taps
8, each sample tap 8 be connected with a sampler 10 (merely illustrated in figure side Subsampling mouth connection sampler and
The sampler of the sample tap connection of top surface, in the specific implementation, can need respectively to lead in each sample tap according to experiment
Pipeline connection sampler is crossed, the sample tap of certain data can also be selected to connect sampler, this programme is without limitation)；Institute
The different three-dimensional rock cores permeated can be filled by stating the three-dimensional inside of core model 9；Each sampler 10 is used to collect corresponding sampling
The core fluids of 8 positions of mouth；
Described one end of three-dimensional core model 9 is connected with six-way valve 7, and the other end of six-way valve 7 is connected among crude oil respectively
Container 2, foaming agent intermediate receptacle 3 and N2Gas intermediate receptacle 4；The other end connection back-pressure valve 11 of the three-dimensional core model 9,
The back-pressure valve 11 respectively with N2Gas cylinder 13 and output liquid container 12 connect；
CT scanner 14, the CT scanner 14 is connected with the three-dimensional core model 9, for scanning the three-dimensional rock core
CT values under different voltages and different condition.
In the device in the specific implementation, the three-dimensional core model 9 includes metal shell, cuboid is provided with shell
The inner chamber of shape, the inner chamber core material different for the filling particle diameter when evaluating three-dimensional rock core (such as grain is filled up in inner chamber
The different quartz sand in footpath).
Specifically, the entrance point of the shell of the three-dimensional core model 9 and port of export both ends are respectively arranged with screw thread
Interface, the entrance point of the shell are connected by hickey with the six-way valve 7；The outlet section of the shell is connect by screw thread
Mouth is connected with the back-pressure valve 11.
The crude oil intermediate receptacle 2, the foaming agent intermediate receptacle 3 and the N2Gas intermediate receptacle 4 is respectively arranged with
Constant-flux pump 1, the constant-flux pump 1 are used to the fluid in corresponding intermediate receptacle inputting the three-dimensional rock by the six-way valve 7
Heart model 9.
Preferably, the crude oil intermediate receptacle 2, the N2In gas intermediate receptacle 4 and the foaming agent intermediate receptacle 3
Piston is provided with, piston can be promoted mobile for the constant-flux pump 1 being connected with each intermediate receptacle so that the fluid in container enters
The three-dimensional core model 9.
In the specific implementation, each sampler 10 includes stainless steel casing and clear glass inner bag, the both ends of sampler 10
The inlet and liquid outlet being connected with clear glass inner bag are respectively arranged with, the inlet passes through pipeline and the three-dimensional rock
Corresponding sample tap 8 connects on heart model 9, and the liquid outlet is connected with valve.
In order to control the pressure that fluid inputs, described N2It is gas intermediate receptacle 4, the foaming agent intermediate receptacle 3, described
Crude oil intermediate receptacle 2 and the N2Pressure gauge P is respectively connected with gas cylinder 13.
In order to make foaming agent fully bubble, bubble is provided between the foaming agent intermediate receptacle 3 and the six-way valve 7
Foam generator 6.
Also, in order to control the input condition of fluid, the N2Set between gas interstitial volume 4 and the six-way valve 7
There is gas flowmeter 5.
In such scheme, the quartz sand of filling different-grain diameter, the top of the three-dimensional core model 9 in three-dimensional core model 9
Face and one side are provided with equidistant sample tap 8, and each sample tap 8 connects corresponding sampler 10, for collecting the opening position
Core fluids, recycle high performance liquid chromatography (High Performance Liquid Chromatography, HPLC)
The detection of foaming agent valid density is carried out to the solution example in sampler 10, prepares the foaming agent solution of corresponding valid density,
By the foamability of foaming agent solution of the paddling process evaluation under the conditions of different oil saturations, and then evaluate in three-dimensional rock core
Foam power of regeneration in displacement process.Three-dimensional core model 9 one terminates six-way valve 7, passes through intermediate receptacle 2, centre by constant-flux pump 1
Into three-dimensional rock core, saturation water, saturated oils and progress foam flooding, the three-dimensional rock core other end are back respectively for container 3, intermediate receptacle 4
Pressure valve 11 and production fluid 12.Crude oil intermediate receptacle 2, foaming agent intermediate receptacle 3 and N2Work is provided with gas intermediate receptacle 4
Plug, volume 1L, piston can be promoted mobile for the constant-flux pump 1 being connected so that fluid enters in three-dimensional core model 9.Three-dimensional
Core model 9 includes being provided with some sample taps 8 at equal intervals, sample tap 8 and three-dimensional rock core mould on top surface and on a side
Rock core in type 9 is connected, and each sample tap 8 is respectively connected with sampler 10 by the pipeline with valve.
Sampler 10 includes columnar stainless steel casing and clear glass inner bag, the both ends of sampler 10 be respectively arranged with
The inlet and liquid outlet that clear glass inner bag is connected, inlet are connected by pipeline with three-dimensional boring sample mouth 8, liquid outlet
One end is connected with valve.Crude oil intermediate receptacle 2, foaming agent intermediate receptacle 3, N2Gas intermediate receptacle 4 and N2Connect on gas cylinder 13
It is connected to pressure gauge, pressure gage measuring range 16MPa.
The evaluating apparatus of foam power of regeneration during the three-dimensional rock core displacement that the present embodiment provides, each sample tap connection
Corresponding sampler, for collecting the core fluids of the opening position, high performance liquid chromatography is recycled to the solution in sampler
Sample carries out the detection of foaming agent valid density, prepares the foaming agent solution of corresponding valid density, is evaluated by paddling process not
With the foamability of the foaming agent solution under the conditions of oil saturation, and then evaluate the foam during three-dimensional rock core displacement and regenerate
Ability.
Fig. 2 is the application side of the evaluating apparatus of foam power of regeneration during three-dimensional rock core displacement provided by the utility model
The flow chart of method embodiment one, steeped as shown in Fig. 2 this method is mainly applied during the three-dimensional rock core displacement shown in Fig. 1
In the evaluating apparatus of foam power of regeneration, the specific implementation step of this method includes：
Step 1, the three-dimensional rock core in three-dimensional core model fully dried, swept respectively under two kinds of scanning voltages using CT
Retouch instrument to be scanned dry rock core, obtain the CT values of the three-dimensional rock core under two kinds of energy, writing scan position and the condition of scanning.
In this step, rock core to be evaluated is inserted into three-dimensional core model in advance and dried, then according to default
Two voltages under carry out CT scan, such as：Dry rock core is scanned under two kinds of scanning voltages of 60kV and 100kV respectively,
Obtain the CT values of dry rock core under two kinds of energy, writing scan position and the condition of scanning.
Step 2, after back pressure is set, by saturation sodium bromide solution after the rock core vacuumizing of three-dimensional core model, with step 1
Under identical two kinds of scanning voltages, the condition of scanning and scan positions, three-dimensional rock core is scanned using CT scanner, obtains two
The three-dimensional rock core CT values of fully saturated sodium bromide solution under kind energy.
In this step, back pressure pressure can be configured, in a kind of concrete implementation mode, 2MPa back pressure is set
Afterwards, by saturation sodium bromide solution after the rock core vacuumizing of three-dimensional core model 9, sodium bromide solution concentration is 6wt%, with step
Under 1 two kinds of identical scanning voltage, the condition of scanning and scan position, three-dimensional rock core is scanned, obtained complete under two kinds of energy
The rock core CT values of full saturation sodium bromide solution.
Preferably, sodium bromide solution concentration range 4wt%~8wt%.
Step 3, the three-dimensional rock core saturation crude oil by crude oil intermediate receptacle into the three-dimensional core model, until
Sodium bromide solution in the three-dimensional rock core is by mother oil displacement to fettering water state.
Step 4, by N2N in gas intermediate receptacle and foaming agent intermediate receptacle2Gas and foaming agent solution pass through foam
Generator produces foam, and caused foam injected into the three-dimensional rock core, and with two kinds of scanning voltages of step 1 identical,
Under the condition of scanning and scan position, three-dimensional rock core is scanned using CT scanner, obtains liquid foams drainage mistake under two kinds of energy
The CT values of the three-dimensional rock core in journey.
In this step, N2Gas produces foam with foaming agent solution by foam maker, and caused foam is noted
Enter in three-dimensional rock core, speed is pumped into by constant-flux pump control foaming agent solution, N is controlled by gas flowmeter2The stream of gas
Speed, control gas liquid ratio is 2:1 and 5:Between 1, with step 1 identical two kinds of scanning voltages, the condition of scanning and scan positions,
Three-dimensional rock core is scanned, obtains the rock core CT values during liquid foams drainage under two kinds of energy.
Step 5, all sample taps for opening the three-dimensional core model, allow solution to flow into corresponding sampler.
Step 6, the foaming agent concentration using the solution in each sampler of high performance liquid chromatography detection acquisition.
In this step, the valve before sampler 10 is closed, the solution in sampler 10 is poured into sample bottle, waits to bubble
After agent solution separates with crude oil, the foaming agent concentration of fluid in sampler 10 is detected with HPLC.
Step 7, the CT values using the three-dimensional rock core obtained in step 1, step 2, step 4, and be respectively adopted oil,
The saturation degree formula of gas and water calculate the three-dimensional rock core saturation degree.
Step 8, obtained oil, gas and water saturation degree are analyzed, the ratio between gas-liquid saturation degree is obtained, if the gas-liquid is satisfied
With degree the ratio between be less than 1:The ratio between 1 or the gas-liquid saturation degree are more than 5:1, it is determined that the three-dimensional rock core can not form stable
Foam, foam power of regeneration is low during three-dimensional rock core displacement.
In this step, three-phase saturation is analyzed, if the ratio between gas-liquid saturation degree is less than 1:1 or more than 5:1,
Stable foam can not be formed by being considered as, and foam power of regeneration is very poor during three-dimensional rock core displacement, completes to the three-dimensional rock core
The evaluation of foam power of regeneration in (namely three-dimensional rock core) displacement process.
The evaluation method of foam power of regeneration during the three-dimensional rock core displacement that the present embodiment provides, it is synchronous by CT dual intensities
Scanning method obtains three-phase fluid saturation degree during three-dimensional rock core displacement, and can utilize high performance liquid chromatography to sampler
In solution example carry out foaming agent valid density detection, prepare the foaming agent solution of corresponding valid density, pass through paddling process
The foamability of the foaming agent solution under the conditions of different oil saturations is evaluated, and then is evaluated during three-dimensional rock core displacement
Foam power of regeneration.The utility model in the case of the fluid saturation in considering stratum to foam diverse location at different moments
Power of regeneration is evaluated, not using numerical simulation, it is assumed that and it is less, can real reaction experiment actual value.
Fig. 3 is the application side of the evaluating apparatus of foam power of regeneration during three-dimensional rock core displacement provided by the utility model
The flow chart of method embodiment two.As shown in figure 3, on the basis of previous embodiment one, if the ratio between gas-liquid saturation degree is 1:1 with
5:Between 1, then also need to continue to analyze and process, i.e., this method is further comprising the steps of：
If the ratio between step 9, described gas-liquid saturation degree are 1:1 and 5:Between 1, then detected and sampled by high performance liquid chromatography
Foaming agent concentration in device obtained by fluid, foaming agent solution is configured, and corresponding saturation degree is added in the foaming agent solution
It is stirred foaming after crude oil again, foam regenerative process under simulation stratum condition.
Step 10, with step 1 identical two kinds of scanning voltages, conditions of scanning, in the difference of three-dimensional rock core displacement
Carve and rock core is scanned using CT scanner at diverse location, obtain the three-dimensional rock core CT values, and using oil, gas and water
Saturation degree formula calculate the three-dimensional rock core corresponding saturation degree in each condition.
Step 11, in the three-dimensional rock core displacement at different moments to the fluid sampling in rock core, obtain in three-dimensional rock core
The foaming agent activity of diverse location at different moments in displacement process.
In the above two embodiments, concentration range 4wt%~8wt% of the sodium bromide solution.
In the above two embodiments, the CT values according to three-dimensional rock core are required to, and oil, the saturation of gas and water is respectively adopted
The saturation degree that formula calculates the three-dimensional rock core is spent, this programme provides a kind of specific calculation：
Oil, the saturation computation formula of gas and water are as follows：
The saturation degree formula of water is：
Oil saturation degree formula be：
The saturation degree formula of gas：
Wherein, SgIt is the saturation degree of gas；SwIt is the saturation degree of water；SoIt is the saturation degree of oil；CTE1dryIt is E1Done under energy
The CT values of rock core；CTE2dryIt is E2The CT values of dry rock core under energy；CTE1waterwetIt is E1The rock CT of fully saturated water under energy
Value；CTE2waterwetIt is E2The rock CT values of fully saturated water under energy；CTE1gIt is E1The CT values CT of gas under energyE2gIt is E2Energy
The CT values of the lower gas of amount；CTE1wIt is E1The CT values of water under energy；CTE2wIt is E2The CT values of water under energy；CTE1oIt is E1It is oily under energy
CT values；CTE2oIt is E2Oily CT values under energy；And above-mentioned formula meets Sg+Sw+So=1.
Three-dimensional rock core corresponding saturation degree in each condition can be calculated by above-mentioned formula, then to three-dimensional rock core
Foam power of regeneration evaluated.
The method that above-described embodiment one and embodiment two carry, three-dimensional rock core displacement mistake is obtained by CT dual intensity synchronous scannings method
Three-phase fluid saturation degree in journey, only gas phase saturation within the specific limits, are only possible to form foam in the presence of foaming agent,
And the detection of foaming agent valid density can be carried out to the solution example in sampler using high performance liquid chromatography, prepares phase
The foaming agent solution of valid density is answered, passes through the foaming of foaming agent solution of the paddling process evaluation under the conditions of different oil saturations
Ability, and then the foam power of regeneration during three-dimensional rock core displacement is evaluated, consider in three-dimensional rock core displacement process medium fluid
Influence of the saturation degree to foaming agent performance and foam power of regeneration, evaluation that can the be authentic and valid foam during rock core displacement
Power of regeneration.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can lead to
The related hardware of programmed instruction is crossed to complete.Foregoing program can be stored in a computer read/write memory medium.The journey
Sequence upon execution, execution the step of including above-mentioned each method embodiment；And foregoing storage medium includes：Read-only storage (English
Text：Read-only memory, abbreviation：ROM), RAM, flash memory, hard disk, solid state hard disc, tape (English：magnetic
Tape), floppy disk (English：Floppy disk), CD (English：Optical disc) and its any combination.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (7)
- A kind of 1. evaluating apparatus of foam power of regeneration during three-dimensional rock core displacement, it is characterised in that including：Three-dimensional core model, the three-dimensional core model top surface and one side offer equidistant multiple sample taps, Mei Gequ Sample mouth is connected with a sampler；The three-dimensional rock core of different-grain diameter can be filled inside the three-dimensional core model；Each sampler For collecting the core fluids of corresponding sample tap position；Described three-dimensional core model one end is connected with six-way valve, and the six-way valve other end connects crude oil intermediate receptacle, risen respectively Infusion intermediate receptacle and N2Gas intermediate receptacle；The other end connection back-pressure valve of the three-dimensional core model, the back-pressure valve point Not and N2Gas cylinder connects with output liquid container；CT scanner, the CT scanner are connected with the three-dimensional core model, for scanning the three-dimensional rock core in different electricity CT values under pressure and different condition；The three-dimensional core model includes metal shell, and the inner chamber of rectangular shape is provided with shell, and the inner chamber is used for Particle diameter different core material is filled when evaluating three-dimensional rock core；The entrance point of the shell of the three-dimensional core model and port of export both ends are respectively arranged with hickey, the shell Entrance point be connected by hickey with the six-way valve；The outlet section of the shell passes through hickey and the back-pressure valve Connection.
- 2. device according to claim 1, it is characterised in that the crude oil intermediate receptacle, the foaming agent intermediate receptacle With the N2Gas intermediate receptacle is respectively arranged with constant-flux pump, and the constant-flux pump is used to lead to the fluid in corresponding intermediate receptacle Cross the six-way valve and input the three-dimensional core model.
- 3. device according to claim 2, it is characterised in that the crude oil intermediate receptacle, the N2Gas intermediate receptacle and Be provided with piston in the foaming agent intermediate receptacle, the constant-flux pump being connected with each intermediate receptacle can promote piston movement from And the fluid in container is set to enter the three-dimensional core model.
- 4. according to the device described in any one of claims 1 to 3, it is characterised in that each sampler include stainless steel casing and Clear glass inner bag, the sampler both ends are respectively arranged with the inlet and liquid outlet being connected with clear glass inner bag, institute State inlet to connect by pipeline sample tap corresponding with the three-dimensional core model, the liquid outlet is connected with valve.
- 5. according to the device described in any one of claims 1 to 3, it is characterised in that described N2Gas intermediate receptacle, described Infusion intermediate receptacle, the crude oil intermediate receptacle and the N2Pressure gauge is respectively connected with gas cylinder.
- 6. according to the device described in any one of claims 1 to 3, it is characterised in that the foaming agent intermediate receptacle and described six Foam maker is provided between port valve.
- 7. according to the device described in any one of claims 1 to 3, it is characterised in that the N2Gas interstitial volume is logical with described six Gas flowmeter is provided between valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621364125.3U CN206960418U (en) | 2016-12-13 | 2016-12-13 | The evaluating apparatus of foam power of regeneration during three-dimensional rock core displacement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621364125.3U CN206960418U (en) | 2016-12-13 | 2016-12-13 | The evaluating apparatus of foam power of regeneration during three-dimensional rock core displacement |
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| CN206960418U true CN206960418U (en) | 2018-02-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218838A (en) * | 2021-04-23 | 2021-08-06 | 江西理工大学 | Coal core permeability tester and testing method |
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2016
- 2016-12-13 CN CN201621364125.3U patent/CN206960418U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218838A (en) * | 2021-04-23 | 2021-08-06 | 江西理工大学 | Coal core permeability tester and testing method |
| CN113218838B (en) * | 2021-04-23 | 2023-05-05 | 江西理工大学 | Coal core permeability tester and measuring method |
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