CN207066913U - A kind of multi-functional rock core displacement test device - Google Patents
A kind of multi-functional rock core displacement test device Download PDFInfo
- Publication number
- CN207066913U CN207066913U CN201721050816.0U CN201721050816U CN207066913U CN 207066913 U CN207066913 U CN 207066913U CN 201721050816 U CN201721050816 U CN 201721050816U CN 207066913 U CN207066913 U CN 207066913U
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- China
- Prior art keywords
- surge tank
- insulating box
- rock core
- water injecting
- displacement test
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Abstract
The utility model discloses a kind of multi-functional rock core displacement test device, including：Flood pattern, core holding unit, confined pressure pump, insulating box, pressure sensor, collection device；Flood pattern includes cistern, water injecting pump, the frequency converter being connected with the water injecting pump, fluid flowmeter and surge tank, is connected between cistern and water injecting pump, between water injecting pump and surge tank by pipeline, surge tank is arranged in insulating box；Core holding unit is arranged in insulating box, and is connected with surge tank delivery port, and pressure sensor is threadedly attached on core holding unit；Air stirrer is provided with insulating box, is additionally provided with double door, door is provided with glass vision panel and door handle；Collection device includes condenser pipe and collection vessel.The utility model rock core displacement test device improves displacing fluid and enters fashionable stability and can prevent displacing fluid from forming precipitation additionally heating and the stirring of injection liquid, and constant temperature the temperature inside the box is uniform, and temperature-controlled precision is high, improves the accuracy of experiment.
Description
Technical field
A kind of oil field productive experiment instrument is the utility model is related to, more particularly to a kind of multi-functional rock core displacement test dress
Put.
Background technology
In oil and gas development process, laboratory core displacement test is most basic work.With petroleum industry
Development, nontraditional reservoir is developed, while conventional water-drive pool also has been enter into high water-cut stage.Carry out for these characteristics of reservoirs
Rock core displacement test, difficulty is big, the cycle length.In oilfield production, it is most of all to come into binary drive, the life of different oil fields
Producing region block may require that different schemes, and this just needs to do laboratory test, such as rock core displacement test before different schemes is implemented,
And existing laboratory apparatus typically all only has One function, it is impossible to realize kinds of experiments, such as simulated formation pressure, formation temperature
Under conditions of carry out core permeability measure, formation damage evaluation (core susceptibility) etc. research, this will improve experiment into
This, also brings along many inconvenience.
Be related to insulating box in rock core displacement test device, common heating insulating box because heating element heater in casing one
Side or both sides, atmosphere draught-free in case, the heated object of installation is influenceed by heating element heater position and casing this body structure in case,
In the presence of close to heating element heater spot temperature it is high, away from the low non-uniform temperature phenomenon of heating element heater spot temperature, it is equal for temperature
The high operating mode of even property, constant temperature heat tracing effect are very undesirable.These factors directly affect the accuracy of simulated experiment result.
During displacement test is carried out, the flow gentle by obtaining the water in compact rock core, oil, it can obtain ground
The fluid volume of rock core whole interior in layer.When carrying out displacement test to compact rock core, displacement velocity is slow, the oil phase that displacement goes out
Gentle phasor very little, the influence of the factors such as oil phase volatilization is considered further that, the measurement error of flow is relatively large in experiment.Also,
Measured in the prior art using open graduated cylinder, this method can not capture gas phase, and gas phase flow rate can not be counted.It is existing
Have that the gentle phasor of oil phase gone out in technology due to compact rock core displacement is small, and if being mixed with displacing fluid in the oil that displacement goes out, by
Relatively oil-water interfaces and the interface of oil and gas can be then caused to be difficult to differentiate deeply in the color of oil, it is difficult to carry out quantitative statisticses to make experimenter,
Cause experimental data inaccurate.
Utility model content
A purpose of the present utility model is that solve at least the above and/or defect, and provides and at least will be described later
The advantages of.
It is to solve oil phase and aqueous phase circle that rock core displacement present in prior art goes out that the utility model, which also has a purpose,
Face is difficult to differentiate, and measures the problem of inaccurate, and some displacing fluids influence displacing fluid because being formed and being precipitated in chemical flooding experimentation
In the problem of effect, and insulating box heating-up temperature it is uneven and the problem of influence experimental result accuracy.
In order to realize these purposes of the utility model and further advantage, there is provided a kind of multi-functional rock core displacement test dress
Put, it includes：Flood pattern, core holding unit, confined pressure pump, insulating box, pressure sensor, collection device；
Wherein, the flood pattern includes cistern, water injecting pump, the frequency converter being connected with the water injecting pump, fluid flow
Meter and surge tank, connected between the cistern and water injecting pump, between water injecting pump and surge tank by pipeline, the surge tank and
The pipeline being attached thereto is arranged in insulating box, and the fluid flowmeter is arranged on the pipeline between water injecting pump and surge tank,
The buffering pot bottom sets heater, and thermometer is set in the middle part of surge tank internal face；
The core holding unit is arranged in insulating box, and is connected by waterline with surge tank delivery port, rock core folder
Core sample, core holding unit bottom connection confined pressure pump are fixedly mounted in holder, the pressure sensor is threadedly attached in
On core holding unit；
The insulating box is the casing with heating element heater, and air stirrer, the air stirrer are provided with casing
Including the stirring of the stirring motor, the paddle, connection stirring motor and the paddle that are arranged in casing that are fixed on the outside of casing
Axle, heating element heater are fixed on air-flow leeward caused by paddle, and the insulating box is provided with double door, and door regards provided with glass
Window and door handle, and the side of insulating box and the back side are provided with glass vision panel；
The collection device includes condenser pipe and collection vessel, and the both ends of the condenser pipe connect rock core by pipeline respectively
The liquid outlet and collection vessel of clamper；The buoy for distinguishing oil phase and displacing fluid interface is provided with the collection vessel,
The outer surface of buoy is provided with reflector layer.
Preferably, agitator is additionally provided with the surge tank and drives the motor of agitator.
Preferably, it is additionally provided with illuminating lamp in the insulating box.
Preferably, the collection device also includes the electronic balance for being arranged on collection vessel bottom.
Preferably, the collection vessel is graduated cylinder, and lid is provided with the graduated cylinder top end opening, and the center of lid is opened
If circular hole.
Preferably, the condenser pipe is straight cold finger.
Preferably, pressure gauge is installed on the pipeline between the water injecting pump and surge tank.
Compared with prior art, the utility model has the advantages that：
Air stirrer in one, insulating box can be stirred to air in insulating box, so as to realize that sealing is permanent
Warm the temperature inside the box is uniform, and stability is good, and easy to operate so that and the device in insulating box is heated evenly, simple in construction, if
Meter is flexible, securely and reliably, further accurately controls the temperature conditionss in rock core displacement test, simulated experiment result is accurate, actual
Reference value is high.
Secondly, surge tank not only there is basic aqueous buffer solution, also there is the work to the extra heating of the aqueous solution
With experimentation of its heating function especially suitable for the accurate control injection liquid temperature degree of some needs.Agitator not only contributes to
The aqueous solution is heated evenly, and can also prevent some displacing fluids from just being formed before not yet rock core is entered in the experimentation of chemical flooding
Precipitate and have a strong impact on the effect of displacing fluid.
Thirdly, the utility model liquid is gone out to displacement by condenser pipe and cooled down, wherein gas is changed into liquid,
Final measurement error reduces.
The buoy for distinguishing oil phase and displacing fluid interface four, is provided with collection vessel, the outer surface of buoy is provided with
Reflector layer, reflector layer can be reflective when light irradiates, and can clearly tell the interface of oil phase and displacing fluid, convenient to read number
According to the volume of accurate measurement oil phase and displacing fluid, and then the accuracy of displacement test can be improved.
Further advantage, target and feature of the present utility model embody part by following explanation, and part will also pass through
Research of the present utility model and practice are understood by the person skilled in the art.
Brief description of the drawings
Fig. 1, multi-functional rock core displacement test apparatus structure schematic diagram of the present utility model；
Fig. 2, insulating box cut-away view；
Fig. 3, insulating box overall structure diagram；
Fig. 4, collection vessel structural representation.
Label in figure：
Flood pattern 1, cistern 11, water injecting pump 12, frequency converter 13, fluid flowmeter 14, surge tank 15, heater
16th, thermometer 17, agitator 18, motor 19, core holding unit 2, core sample 21, confined pressure pump 3, insulating box 4, heating element heater
41st, stirring motor 42, paddle 43, agitating shaft 44, double door 45, glass vision panel 46, door handle 47, illuminating lamp 48, pressure pass
Sensor 5, collection device 6, condenser pipe 61, collection vessel 62, buoy 63, electronic balance 64, lid 65, circular hole 66, pressure gauge 7.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of individual other elements or its combination.
As Figure 1-4, the utility model provides a kind of multi-functional rock core displacement test device, and it includes：Water filling system
System 1, core holding unit 2, confined pressure pump 3, insulating box 4, pressure sensor 5, collection device 6.
Wherein, the flood pattern 1 includes cistern 11, water injecting pump 12, frequency converter 13, the liquid being connected with the water injecting pump
Flowmeter body 14 and surge tank 15.The frequency converter can improve the stability of the water injecting pump conveying aqueous solution so that injection rock core
The water flow problems of clamper, fluctuated compared with weep, not only improve and reduce experimental error, while can also save the electricity of water injecting pump
Can consumption.Connected between the cistern 11 and water injecting pump 12, between water injecting pump 12 and surge tank 15 by aqueduct.It is described
Surge tank 15 and the aqueduct being attached thereto are arranged in insulating box 4, the fluid flowmeter 14 be arranged on water injecting pump 12 with
On pipeline between surge tank 15.Pressure gauge 7 is installed on the pipeline between water injecting pump and surge tank.The bottom of surge tank 15
Heater 16 is set, thermometer 17 is set in the middle part of surge tank internal face, agitator 18 is additionally provided with surge tank and driving is stirred
Mix the motor 19 of device.Surge tank not only has the function that basic aqueous buffer solution, also has the work to the extra heating of the aqueous solution
With experimentation of its heating function especially suitable for the accurate control injection liquid temperature degree of some needs.Agitator is advantageous to water-soluble
Liquid is heated evenly and prevents some chemical displacing fluids from forming precipitation.
The core holding unit 2 is arranged in insulating box 4, and is connected by aqueduct with the delivery port of surge tank 15, rock
Core sample 21, the bottom of core holding unit 2 connection confined pressure pump 3, for being applied to core holding unit 2 are fixedly mounted in heart clamp holder 2
Add circumferential pressure, seal rock core, the pressure sensor 5 is threadedly attached on core holding unit 2, for determining rock core folder
Pressure size in holder.
As shown in Figures 2 and 3, the insulating box 4 is the casing with heating element heater 41, and being provided with air stirring in casing fills
Put, the air stirrer includes paddle 43, the connection for being fixed on stirring motor 42 on the outside of casing, being arranged in casing
The agitating shaft 44 of stirring motor and paddle, heating element heater are fixed on air-flow leeward caused by paddle, and the insulating box is set
Double door 45 is equipped with, door is provided with glass vision panel 46 and door handle 47, and the side of insulating box 4 and the back side are provided with glass and regarded
Window 46, illuminating lamp 48 is additionally provided with insulating box.Air stirrer can be stirred to air in insulating box, so as to realize
Sealed thermostat the temperature inside the box is uniform, and stability is good, and easy to operate so that the device in insulating box is heated evenly, structure
Simply, flexible design, securely and reliably, further the temperature conditionss in accurate control rock core displacement test, simulated experiment result are accurate
Really, actual reference is high.
The collection device 6 includes condenser pipe 61 and collection vessel 62, and the condenser pipe 61 is straight cold finger, its both ends
The liquid outlet and collection vessel 62 of core holding unit 2 are connected by pipeline respectively.Liquid from core sample 21 out has
Certain temperature, at relatively high temperatures, the constituent part in liquid exist in gaseous form, are directly discharged in air, final to survey
The amount of liquid measured is less than legitimate reading.The utility model goes out liquid to displacement by condenser pipe 61 and cooled down, and makes it
Middle gas is changed into liquid, and final measurement error reduces.It is provided with the collection vessel 62 for distinguishing oil phase and displacement
The buoy 63 at liquid interface, the outer surface of buoy 63 are provided with reflector layer (not shown).Oil phase can clearly be told by buoy 63
With the interface of displacing fluid, and reflector layer can be reflective when light irradiates, convenient to read data accurate measurement oil phase and displacing fluid
Volume, and then the accuracy of displacement test can be improved.Electronic balance 64 in the bottom of collection vessel 62, for going out to displacement
Liquid weighing metering.
In another embodiment, as shown in figure 4, the collection vessel 62 is graduated cylinder, it is provided with the graduated cylinder top end opening
Lid 65, the center of lid open up circular hole 66.Set lid that there is certain effect of blocking on graduated cylinder, can prevent displacement from going out
Portion gas because have little time liquefaction be discharged into air, circular hole can keep graduated cylinder internal pressure consistent with room pressure by force.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment
Listed utilization.It can be applied to various suitable fields of the present utility model completely.For those skilled in the art,
Other modification is easily achieved.Therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (7)
- A kind of 1. multi-functional rock core displacement test device, it is characterised in that including：Flood pattern, core holding unit, confined pressure pump, Insulating box, pressure sensor, collection device；Wherein, the flood pattern include cistern, water injecting pump, the frequency converter being connected with the water injecting pump, fluid flowmeter and Surge tank, connected between the cistern and water injecting pump, between water injecting pump and surge tank by pipeline, the surge tank and therewith The pipeline of connection is arranged in insulating box, and the fluid flowmeter is arranged on the pipeline between water injecting pump and surge tank, described Buffer pot bottom and heater is set, thermometer is set in the middle part of surge tank internal face；The core holding unit is arranged in insulating box, and is connected by waterline with surge tank delivery port, core holding unit Interior fixed installation core sample, core holding unit bottom connection confined pressure pump, the pressure sensor are threadedly attached in rock core On clamper；The insulating box is the casing with heating element heater, is provided with air stirrer in casing, the air stirrer includes The agitating shaft of the stirring motor on the outside of casing, the paddle being arranged in casing, connection stirring motor and paddle is fixed on, is added Thermal element is fixed on air-flow leeward caused by paddle, and the insulating box is provided with double door, door be provided with glass vision panel and Door handle, and the side of insulating box and the back side are provided with glass vision panel；The collection device includes condenser pipe and collection vessel, and the both ends of the condenser pipe connect rock core by pipeline respectively and clamped The liquid outlet and collection vessel of device；The buoy for distinguishing oil phase and displacing fluid interface, buoy are provided with the collection vessel Outer surface be provided with reflector layer.
- 2. multi-functional rock core displacement test device as claimed in claim 1, it is characterised in that be additionally provided with the surge tank The motor of agitator and driving agitator.
- 3. multi-functional rock core displacement test device as claimed in claim 2, it is characterised in that be additionally provided with the insulating box Illuminating lamp.
- 4. multi-functional rock core displacement test device as claimed in claim 3, it is characterised in that the collection device also includes setting Put the electronic balance in collection vessel bottom.
- 5. multi-functional rock core displacement test device as claimed in claim 4, it is characterised in that the collection vessel is graduated cylinder, Lid is provided with graduated cylinder top end opening, the center of lid opens up circular hole.
- 6. multi-functional rock core displacement test device as claimed in claim 5, it is characterised in that the condenser pipe condenses for straight Pipe.
- 7. multi-functional rock core displacement test device as claimed in claim 1, it is characterised in that the water injecting pump and surge tank it Between pipeline on pressure gauge is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721050816.0U CN207066913U (en) | 2017-08-22 | 2017-08-22 | A kind of multi-functional rock core displacement test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721050816.0U CN207066913U (en) | 2017-08-22 | 2017-08-22 | A kind of multi-functional rock core displacement test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207066913U true CN207066913U (en) | 2018-03-02 |
Family
ID=61516445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721050816.0U Expired - Fee Related CN207066913U (en) | 2017-08-22 | 2017-08-22 | A kind of multi-functional rock core displacement test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207066913U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108802338A (en) * | 2018-07-18 | 2018-11-13 | 华南理工大学 | A kind of rock core displacement device of achievable synchronous evaluation oil displacement efficiency |
| CN109025958A (en) * | 2018-06-25 | 2018-12-18 | 山东石大油田技术服务股份有限公司 | Production fluid measurement method, device and terminal during the physical contradictions of oil field |
| CN109374490A (en) * | 2018-08-27 | 2019-02-22 | 中国石油大学(北京) | Imbibition extraction equipment and imbibition extraction experiments method |
| CN111980694A (en) * | 2020-09-08 | 2020-11-24 | 中国石油天然气股份有限公司 | Automatic displacement medium control device for experiments |
| CN114428165A (en) * | 2020-09-23 | 2022-05-03 | 中国石油化工股份有限公司 | Intermediate container and system for rock core displacement experiment |
-
2017
- 2017-08-22 CN CN201721050816.0U patent/CN207066913U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025958A (en) * | 2018-06-25 | 2018-12-18 | 山东石大油田技术服务股份有限公司 | Production fluid measurement method, device and terminal during the physical contradictions of oil field |
| CN108802338A (en) * | 2018-07-18 | 2018-11-13 | 华南理工大学 | A kind of rock core displacement device of achievable synchronous evaluation oil displacement efficiency |
| CN109374490A (en) * | 2018-08-27 | 2019-02-22 | 中国石油大学(北京) | Imbibition extraction equipment and imbibition extraction experiments method |
| CN111980694A (en) * | 2020-09-08 | 2020-11-24 | 中国石油天然气股份有限公司 | Automatic displacement medium control device for experiments |
| CN114428165A (en) * | 2020-09-23 | 2022-05-03 | 中国石油化工股份有限公司 | Intermediate container and system for rock core displacement experiment |
| CN114428165B (en) * | 2020-09-23 | 2024-05-24 | 中国石油化工股份有限公司 | Intermediate container and system for rock core displacement experiment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 Termination date: 20180822 |
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| CF01 | Termination of patent right due to non-payment of annual fee |