CN206832772U - A kind of measurement apparatus of the spontaneous imbibition of rock core - Google Patents
A kind of measurement apparatus of the spontaneous imbibition of rock core Download PDFInfo
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- CN206832772U CN206832772U CN201720596186.0U CN201720596186U CN206832772U CN 206832772 U CN206832772 U CN 206832772U CN 201720596186 U CN201720596186 U CN 201720596186U CN 206832772 U CN206832772 U CN 206832772U
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- rock core
- imbibition
- measurement apparatus
- shell
- spontaneous imbibition
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Abstract
The utility model provides a kind of measurement apparatus of the spontaneous imbibition of rock core, and it includes：Shell, its internal accommodating chamber having for accommodating rock core and imbibition liquid；Fuel gauging part, it is connected to above shell, and is connected with accommodating chamber；Agitating device, including the agitation part that can be rotatably arranged in accommodating chamber, agitation part can stir the imbibition liquid in accommodating chamber by rotating.The measurement apparatus of the spontaneous imbibition of rock core of the present utility model, by setting rotatable agitation part to stir the imbibition liquid in shell, the oil droplet that absorption shows in rock core can be removed, it is allowed to also float into fuel gauging part, the accuracy of measurement result is improved, solves the technical problem that prior art can not remove core surface oil droplet.
Description
Technical field
It the utility model is related to oil field development technical field, the measurement apparatus of especially a kind of spontaneous imbibition of rock core.
Background technology
The spontaneous imbibition device of rock core is used in the experimental study of spontaneous the imbibition de-oiling or the displacement of reservoir oil of rock core.Testing
When, the rock core of saturation crude oil is loaded into spontaneous imbibition device, imbibition liquid is added, after certain time, is deviate from or displaced
Oil droplet by buoyancy float, the bulking value of oil reservoir can be read by the measurement apparatus of the device first half, the bulking value
With the ratio of the content of original saturated oils, as imbibition oil yield.The performance of imbibition liquid can be evaluated by imbibition oil yield,
And then the technical and economic feasibility that the oil reservoir corresponding to such core sample uses imbibition displacement of reservoir oil development approach can also be evaluated.This
The imbibition liquid at place can be water or the solution for adding chemical agent.
Using current spontaneous imbibition device, understand some crude oil come out by displacement and adsorb on the surface of core sample
And can not float, it can not such as be removed from core surface, the accuracy of experimental measurements can be influenceed.
Therefore, the present inventor relies on the practical experience for being engaged in relevant industries for many years, it is proposed that a kind of spontaneous imbibition of rock core
Measurement apparatus, the defects of to overcome prior art.
Utility model content
The purpose of this utility model is to provide a kind of measurement apparatus of the spontaneous imbibition of rock core, and it will can be adsorbed in core surface
Crude oil remove, improve the accuracys of experimental measurements.
To reach above-mentioned purpose, the utility model proposes a kind of measurement apparatus of the spontaneous imbibition of rock core, and it includes：Shell,
Its internal accommodating chamber having for accommodating rock core and imbibition liquid；Fuel gauging part, it is connected to above the shell, and with institute
State accommodating chamber connection；Agitating device, including the agitation part that can be rotatably arranged in the accommodating chamber, the agitation part can be by turning
Move to stir the imbibition liquid in the accommodating chamber.
The measurement apparatus of the spontaneous imbibition of rock core as described above, wherein, the agitating device also includes being located at the shell
The shell is stretched out in outside actuator and the rotating shaft that rotationally can be connected with the body seal, one end of the rotating shaft
Outside, and with the actuator it is connected, the other end of the rotating shaft stretches into the accommodating chamber, and is connected with the agitation part.
The measurement apparatus of the spontaneous imbibition of rock core as described above, wherein, the actuator is motor or rotary handle.
The measurement apparatus of the spontaneous imbibition of rock core as described above, wherein, the agitation part is flabellum, the agitation part and institute
Rock core is stated to be disposed adjacent.
The measurement apparatus of the spontaneous imbibition of rock core as described above, wherein, the measurement apparatus of the spontaneous imbibition of rock core is also wrapped
Heating constant-temperature equipment, the heating constant-temperature equipment and the cage connection are included, and the imbibition liquid in the accommodating chamber can be carried out
Heating and constant temperature.
The measurement apparatus of the spontaneous imbibition of rock core as described above, wherein, the heating constant-temperature equipment is connected to the shell
Lower section, and be in close contact with the shell.
The measurement apparatus of the spontaneous imbibition of rock core as described above, wherein, the shell includes the first housing and can be removably mounted
Ground is sealedly connected on the second housing above first housing, and the rock core for placing the rock core is provided with the first shell body
Support, the fuel gauging part are connected to above second housing.
The measurement apparatus of the spontaneous imbibition of rock core as described above, wherein, between first housing and second housing
Connected by bayonet unit, and sealed by sealing ring.
The measurement apparatus of the spontaneous imbibition of rock core as described above, wherein, the measurement apparatus of the spontaneous imbibition of rock core is also wrapped
Thermometer is included, the thermometer is connected to the outside of the shell.
The measurement apparatus of the spontaneous imbibition of rock core as described above, wherein, the measurement apparatus of the spontaneous imbibition of rock core is also wrapped
Include the rock core support for placing the rock core in the accommodating chamber.
The characteristics of measurement apparatus of the spontaneous imbibition of rock core of the present utility model and advantage are：
1st, the measurement apparatus of the spontaneous imbibition of rock core of the present utility model, by setting rotatable agitation part to stir shell
Interior imbibition liquid, the oil droplet that absorption shows in rock core can be removed, is allowed to also float into fuel gauging part, improve measurement knot
The accuracy of fruit, solves the technical problem that prior art can not remove core surface oil droplet；
2nd, the measurement apparatus of the spontaneous imbibition of rock core of the present utility model, using heating constant-temperature equipment to the imbibition liquid in shell
Heated constant temperature is carried out, the temperature conditionss of actual oil reservoir can be simulated, solves the technology that prior art can not simulate actual reservoir temperature
Problem, experimental result is set to have more practical application reference value.
Brief description of the drawings
The following drawings is only intended to, in doing the utility model schematic illustration and explanation, not limit model of the present utility model
Enclose.Wherein：
Fig. 1 is the schematic diagram of one embodiment of the measurement apparatus of the spontaneous imbibition of rock core of the present utility model.
Main element label declaration：
1 shell
The housing of 11 first housing 12 second
2 fuel gauging parts
3 heating constant-temperature equipments
4 agitating devices 41 stir part
The rotating shaft of 42 actuator 43
5 rock core supports
6 bayonet units
7 sealing rings
8 thermometers
9 rock cores
Embodiment
In order to which the technical characteristics of the utility model, purpose and effect are more clearly understood, now control illustrates
Specific embodiment of the present utility model.
As shown in figure 1, the utility model provides a kind of measurement apparatus of the spontaneous imbibition of rock core, it includes shell 1, fuel contents gauge
Part 2 and agitating device 4 are measured, the inside of shell 1 has the accommodating chamber for being used for accommodating rock core 9 and imbibition liquid, and the rock core 9 is containing oil rock
The heart, for example, saturation crude oil rock core, the crude oil in rock core 9 can be displaced by imbibition liquid, and fuel gauging part 2 is connected to the top of shell 1,
And connected with accommodating chamber, the crude oil being driven out enters in fuel gauging part 2 in buoyancy float downward, the energy of fuel gauging part 2
Crude oil volume is measured, agitating device 4 includes the agitation part 41 that can be rotatably arranged in accommodating chamber, and agitation part 41 is, for example,
Flabellum, agitation part 41 stir the imbibition liquid in accommodating chamber by rotating, by setting agitation part 41 to stir imbibition liquid,
Crude oil (oil droplet) of the absorption on the surface of rock core 9 can be removed, it is come off from the sur-face peeling of rock core 9, floating enters fuel gauging part 2
It is interior, so as to improve the accuracy of experimental measurements.
Further, agitating device 4 also includes the actuator 42 outside shell 1 and rotationally can sealed with shell 1
The rotating shaft 43 of connection, one end of rotating shaft 43 is stretched out outside shell 1, and is connected with actuator 42, and the other end of rotating shaft 43 stretches into appearance
Receive chamber, and be connected with agitation part 41, to drive agitation part 41 to rotate by actuator 42.For example, lead between rotating shaft 43 and shell 1
Sealing ring sealed connection is crossed, rotating shaft 43 and the material for stirring part 41 are resistant to elevated temperatures metal.
Further, actuator 42 is motor or rotary handle, is rotated with stirring part 41 by motor or manual drive, its
In motor be, for example, micro-machine.Using motor, the agitation uniform rotation of part 41 can be driven, saves manpower.
Further, agitation part 41 is disposed adjacent with rock core 9, can more efficiently remove crude oil of the absorption on the surface of rock core 9.
Part 41 is stirred for example positioned at the lateral of rock core 9.
As shown in figure 1, in a specific embodiment, the measurement apparatus of the spontaneous imbibition of rock core also includes heating constant-temperature equipment
3, heating constant-temperature equipment 3 is connected with shell 1, and the imbibition liquid in accommodating chamber can be heated and constant temperature, with the actual oil of simulation
The temperature conditionss of Tibetan, and the measurement apparatus of the spontaneous imbibition of the rock core of prior art is mostly the device measured under normal temperature and pressure,
Actual reservoir temperature condition can not be simulated.
Further, heating constant-temperature equipment 3 is connected to the lower section of shell 1, and is in close contact with shell 1, the heating constant-temperature equipment 3
Electrical heating or Electromagnetic Heating can be used.Such as there is groove on heating constant-temperature equipment 3, the bottom of shell 1 is embedded in the groove,
Therefore, heating constant-temperature equipment 3 can not only be heated and constant temperature to the imbibition liquid in shell 1, moreover it is possible to the bottom as measurement apparatus
Seat, plays a supporting role to shell 1.
Further, fuel gauging part 2 is measurement pipe, has volume markings in measurement pipe, for example, the minimum volume of measurement pipe
Unit is 0.1ml, and the internal diameter of measurement pipe is 1.0cm~2.0cm, convenient directly to add imbibition liquid or insertion funnel device addition
Imbibition liquid；When actually choosing measurement pipe, the crude oil volume that can be discharged on the estimation chooses rational measurement bore, with accurate
Crude oil volume is measured, the material of measurement pipe is clear glass.
Further, fuel gauging part 2 is located at the surface of accommodating chamber, not only facilitates oil droplet to float and enters fuel gauging part 2
It is interior, also prevent the measurement error caused by the position of fuel gauging part 2 is improper.
As shown in figure 1, in another specific embodiment, shell 1 include the first housing 11 and can be removably mounted the company of sealing
The second housing 12 of the top of the first housing 11 is connected on, can be described as core chamber inside the first housing 11, fuel gauging part 2 is connected to the
The top of two housing 12.In the present embodiment, by the way that shell 1 is arranged into the structure that the first housing 11 is connected with the second housing 12,
Not only facilitate and load larger-size rock core 9, it is also for convenience detach and cleaning.
For example, the first housing 11 is cylindrical in shape, the internal diameter of the first housing 11 is, for example, 20.0cm~40.0cm, in actual selection
, can be according to the suitable internal diameter parameter of the selection of dimension of measured core sample during the first housing 11, the second housing 12 is in lid,
For the buckle closure of second housing 12 directly over the first housing 11, the material of the first housing 11 and the second housing 12 is clear glass.
Further, (support) rock core 9 is placed in the confession that the measurement apparatus of the spontaneous imbibition of rock core is also included in accommodating chamber
Rock core support 5, it is specifically that rock core support 5 is fixed on the bottom in the first housing 11, and the material of rock core support 5 is resistant to elevated temperatures
Metal.
Further, connected between the bottom margin of the top edge of the first housing 11 and the second housing 12 by bayonet unit 6
Connect, and sealed by sealing ring 7.Wherein bayonet unit 6 can use existing along the circumferentially disposed of the first housing 11 and the second housing 12
There is the buckle of technology, as long as the first housing 11 and the second housing 12 can link together.
As shown in figure 1, in a preferred embodiment, the measurement apparatus of the spontaneous imbibition of rock core also includes thermometer 8, temperature
Degree meter 8 is connected to the outside of shell 1, to monitor the temperature of imbibition liquid at any time, it is preferred that thermometer 8 is connected to the first housing 11
Outside.
Use the principle that the measurement apparatus of the spontaneous imbibition of rock core of the present utility model is tested for：
Due to the effect of capillary force, the rock core of saturation crude oil is positioned in imbibition liquid, by capillary force trigger from
Sending out imbibition effect can suck imbibition liquid in rock core, while can come out a part of mother oil displacement, by the crude oil that displacement goes out by
Fuel gauging part is floated in buoyancy, it is fuel-displaced by the crude oil volume that displacement goes out can to obtain spontaneous imbibition by Timing measurement
Amount and the relation curve of time.
The step of using the measurement apparatus of the spontaneous imbibition of rock core of an embodiment of the present utility model to be tested for：
(1) core sample of saturation crude oil is prepared according to the correlation technique of country or professional standard, absorption is wiped and exists
The oil slick on core sample surface；
(2) imbibition liquid is poured into the first housing 11, the liquid level of imbibition liquid is located at the 95% of the first body height；As needed
Actual reservoir temperature is simulated, imbibition liquid can be heated to reservoir temperature；Also need to get out extra imbibition liquid in addition, also heat
To reservoir temperature；
(3) by the core sample of saturation crude oil, rapidly it is placed on the rock core support 5 in the first housing 11, buckles well
Two housings 12, seal the contact site of the first housing 11 and the second housing 12；
(4) extra ready imbibition liquid is rapidly poured into shell 1 from measurement pipe, makes the liquid of imbibition liquid in shell 1
Face is located at the bottom in measurement pipe；
(5) reading of thermometer 8 is observed, by adjusting heating constant-temperature equipment 3, makes the reading of thermometer 8 is constant treating mould
In the temperature for the actual oil reservoir intended；Proceed by measurement；
(6) when core sample surface has oil droplet to occur, agitating device 4 is opened, rotates agitation part 41, stir imbibition liquid
Floating upward quickly is allowed to measurement pipe to peel off the oil droplet on core sample surface；Before the reading for reading measurement pipe, it is to be ensured that measurement pipe
Interior crude oil liquid level is basicly stable, and core sample surface does not have oil droplet；
(7) oil pump capacity of the spontaneous imbibition of experimental record and time data are plotted on graph paper, that is, completed spontaneous
Imbibition is tested.The performance of imbibition liquid can be evaluated by the experimental result, and then can also be evaluated representated by such core sample
Oil reservoir use imbibition displacement of reservoir oil development approach technical and economic feasibility.
The schematical embodiment of the utility model is the foregoing is only, is not limited to model of the present utility model
Enclose.Any those skilled in the art, the equivalent variations made on the premise of design of the present utility model and principle is not departed from
With modification, the scope that the utility model is protected all should be belonged to.And it should be noted that each part of the present utility model simultaneously
It is not limited only to above-mentioned overall applicability, each technical characteristic described in specification of the present utility model can be according to being actually needed selection
One individually uses or selects the multinomial use that combines, and therefore, the utility model covers in the nature of things to be invented with this case
The relevant other combinations of point and concrete application.
Claims (10)
1. a kind of measurement apparatus of the spontaneous imbibition of rock core, it is characterised in that the measurement apparatus of the spontaneous imbibition of rock core includes：
Shell, its internal accommodating chamber having for accommodating rock core and imbibition liquid；
Fuel gauging part, it is connected to above the shell, and is connected with the accommodating chamber；
Agitating device, it includes the agitation part that can be rotatably arranged in the accommodating chamber, and the agitation part can be stirred by rotating
Imbibition liquid in the accommodating chamber.
2. the measurement apparatus of the spontaneous imbibition of rock core as claimed in claim 1, it is characterised in that the agitating device also includes setting
Actuator and the rotating shaft that rotationally can be connected with the body seal in the housing exterior, one end of the rotating shaft is stretched
Go out outside the shell, and be connected with the actuator, the other end of the rotating shaft stretches into the accommodating chamber, and with the agitation part
Connection.
3. the measurement apparatus of the spontaneous imbibition of rock core as claimed in claim 2, it is characterised in that the actuator is motor or rotation
Change hands handle.
4. the measurement apparatus of the spontaneous imbibition of rock core as claimed in claim 1, it is characterised in that the agitation part is flabellum, institute
Agitation part is stated to be disposed adjacent with the rock core.
5. the measurement apparatus of the spontaneous imbibition of rock core as claimed in claim 1, it is characterised in that the survey of the spontaneous imbibition of rock core
Amount device also includes heating constant-temperature equipment, the heating constant-temperature equipment and the cage connection, and can be in the accommodating chamber
Imbibition liquid is heated and constant temperature.
6. the measurement apparatus of the spontaneous imbibition of rock core as claimed in claim 5, it is characterised in that the heating constant-temperature equipment connection
It is in close contact below the shell, and with the shell.
7. the measurement apparatus of the spontaneous imbibition of rock core as described in any one of claim 1 to 6, it is characterised in that the shell bag
The second housing for including the first housing and being sealedly connected on can be removably mounted above first housing, the fuel gauging part connect
It is connected on above second housing.
8. the measurement apparatus of the spontaneous imbibition of rock core as claimed in claim 7, it is characterised in that first housing and described the
Connected by bayonet unit between two housings, and sealed by sealing ring.
9. the measurement apparatus of the spontaneous imbibition of rock core as described in any one of claim 1 to 6, it is characterised in that the rock core is certainly
The measurement apparatus of hair imbibition also includes thermometer, and the thermometer is connected to the outside of the shell.
10. the measurement apparatus of the spontaneous imbibition of rock core as described in any one of claim 1 to 6, it is characterised in that the rock core is certainly
Sending out the measurement apparatus of imbibition also includes the rock core support for placing the rock core in the accommodating chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720596186.0U CN206832772U (en) | 2017-05-25 | 2017-05-25 | A kind of measurement apparatus of the spontaneous imbibition of rock core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720596186.0U CN206832772U (en) | 2017-05-25 | 2017-05-25 | A kind of measurement apparatus of the spontaneous imbibition of rock core |
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| Publication Number | Publication Date |
|---|---|
| CN206832772U true CN206832772U (en) | 2018-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720596186.0U Active CN206832772U (en) | 2017-05-25 | 2017-05-25 | A kind of measurement apparatus of the spontaneous imbibition of rock core |
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| CN (1) | CN206832772U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459556A (en) * | 2018-12-05 | 2019-03-12 | 中国石油大学(北京) | Dynamic imbibition device and the experimental method tested for dynamic imbibition |
| CN112067510A (en) * | 2020-08-31 | 2020-12-11 | 中国石油大学(北京) | Measuring device for rock core imbibition under high-temperature and high-pressure conditions |
-
2017
- 2017-05-25 CN CN201720596186.0U patent/CN206832772U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459556A (en) * | 2018-12-05 | 2019-03-12 | 中国石油大学(北京) | Dynamic imbibition device and the experimental method tested for dynamic imbibition |
| CN112067510A (en) * | 2020-08-31 | 2020-12-11 | 中国石油大学(北京) | Measuring device for rock core imbibition under high-temperature and high-pressure conditions |
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