CN202202850U - Multi-medium oil displacement physical simulation experiment device - Google Patents

Multi-medium oil displacement physical simulation experiment device Download PDF

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Publication number
CN202202850U
CN202202850U CN2011202840617U CN201120284061U CN202202850U CN 202202850 U CN202202850 U CN 202202850U CN 2011202840617 U CN2011202840617 U CN 2011202840617U CN 201120284061 U CN201120284061 U CN 201120284061U CN 202202850 U CN202202850 U CN 202202850U
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China
Prior art keywords
pressure
import
steam
foam
pipeline
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CN2011202840617U
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Chinese (zh)
Inventor
孔昭柯
李军营
肖磊
张丽庆
彭华
周辉
谢云龙
李建明
Original Assignee
中国石油化工股份有限公司
中国石油化工股份有限公司河南油田分公司石油勘探开发研究院
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Abstract

The utility model discloses a multi-medium oil displacement physical simulation experiment device which comprises a model part and an injection part, wherein the model part is used for simulating oil reservoir; the injection part is used for generating high-pressure displacement mediums and injecting the high-pressure displacement mediums to the model part; the injection part comprises a high-pressure displacement pump, a first intermediate container, a second intermediate container, a third intermediate container, a steam generation device and a foam generation device, wherein the steam generation device is matched with the high-pressure displacement pump and a corresponding intermediate container to generate steam, and the foam generation device is matched with the high-pressure displacement pump and the corresponding intermediate container to generate foam. The experiment device is capable of meeting the oil displacement physical simulation experiment requirements of chemical displacement, hot water displacement, steam displacement and foam displacement, is high in integration degree, reasonable in layout, capable of bearing the experiment research task of multi-medium oil displacement and capable of greatly reducing the experiment investment cost.

Description

Multimedium drive physical analogue experimental facilities
Technical field
The utility model relates to the physical simulation experiment device of the multiple medium displacement of reservoir oil research in the oil recovery technique.
Background technology
The physical simulation experiment that drives agent that is used to recover the oil of the prior art; Be to drive agent is driven in agent under mobile performance and the reservoir condition in porous media oil displacement efficiency through difference under the lab simulation reservoir condition; The assay determination difference is driven the effect of agent to crude oil extraction; Develop option screening, carry out difference for mining site and drive the agent support that provides the necessary technical of recovering the oil.Carry out this research and just need physical simulation experiment device; The basic comprising of such experimental facilities is as the disclosed a kind of steam flooding physical simulating device of Chinese patent notification number CN 2752886Y; Mainly be simulating oil deposit model part, to model part provide the high pressure displacing medium injection part, collect from model flow out output liquid fluid acquisition testing part, gather and the isoparametric test section of temperature, pressure of detection model part constitutes; At present, the physical simulating device function ratio that each laboratory is used is more single-minded, like chemical displacement of reservoir oil physical simulation experiment device; The steam flooding physical simulating device; The foam flooding physical simulating device, the injection part of this type experimental facilities can only produce single high pressure displacing medium, and can not carry out the experiment of multimedium drive physical analogue.
In addition; The pressure-detecting device that available technology adopting has a pressure sensor detects the pressure of the basket of simulating oil deposit; The signals collecting end of pressure sensor directly is connected with the survey mouth of basket, and the impurity in the basket will get into pressure sensor and influence detection even breakdown pressure sensor when experiment like this.In addition; Liquid (the being generally secondary water) heating of adopting generation device of steam that displacement is pumped in the prior art in the steam flooding physical simulation experiment device generates steam; But the temperature of the steam of the output of existing generation device of steam is limited, can't obtain the required temperature of vapours oil displacement experiment and be 370 ℃ superheated steam.
The utility model content
The purpose of the utility model is to provide a kind of multimedium drive physical analogue experimental facilities that part can produce different displacing mediums as required that injects.
The technical scheme of the utility model is: a kind of multimedium drive physical analogue experimental facilities; Comprise the model part of simulating oil deposit, the injection part that produces the high pressure displacing medium and inject to model part; Said injection part comprises high pressure displacement pump, and said injection part also comprises to be held first of corresponding displacing medium ~ the 3rd intermediate receptacle respectively, cooperate the generation device of steam that produces steam with said high pressure displacement pump and corresponding intermediate receptacle, cooperates the foam generating device that produces foam with said high pressure displacement pump and corresponding intermediate receptacle; Said generation device of steam mainly comprises steam generator; Said foam generating device comprises and is used to converge displacing agent and gases at high pressure to generate the foam maker of foam; First import of foam maker links to each other through the corresponding outlet with said the 3rd intermediate receptacle of pipeline, is connected with the gas cylinder, the booster pump that are connected in series successively through pipeline that are used to provide gases at high pressure in second import of foam maker; Said high pressure displacement delivery side of pump is connected through the import of pipeline with one more than first logical distributing valve; A plurality of outlets of logical distributing valve more than first are through corresponding respectively the linking to each other with each import of first ~ the 3rd intermediate receptacle, the import of steam generator of pipeline; Each outlet of the outlet of steam generator and first, second intermediate receptacle links to each other with each corresponding import of one more than second logical distributing valve respectively through pipeline, and the outlet of said foam maker links to each other with the corresponding import of more than second logical distributing valves through pipeline; The outlet of logical distributing valve more than second links to each other with the import of analog part through pipeline.
Be connected with the hot medium pipeline that is connected in series logical distributing valve more than second between the outlet of said steam generator and the said analog part import; Described generation device of steam is a superheated steam producing device, said superheated steam producing device also comprise the counterpart that is set on the said hot medium pipeline to the water vapour heating to generate the high temperature oven of superheated steam.
Also be arranged with insulating tube on the part on the said hot medium pipeline except sheathed high temperature oven.
Said high temperature oven is located at the import department of model part.
Also be connected with on the said foam maker and be used to observe foam to generate the foam viewer of situation.
Said experimental facilities also comprises fluid acquisition testing part, test section; The test section comprises temperature-detecting device, pressure-detecting device and computer; Said model part is a basket; Said pressure-detecting device comprises the pressure sensor of gathering basket relevant position pressure signal and the signal conversion that pressure sensor is obtained, the testing circuit that shows and flow to computer; Spacing container that is used for pressure sensor is carried out insulation blocking that pressure-detecting device is included in also that each of each pressure sensor and basket is corresponding to be connected between surveying mouthful, spacing container has the internal cavity that when work, is full of distilled water, and spacing container has two interfaces that communicate with internal cavity; One of them interface is connected with the survey mouth of basket, and another interface is connected with the signals collecting end of pressure sensor.
The experimental facilities of the utility model can satisfy the displacement of reservoir oil thing mould requirement of experiment of chemical flooding, hot water flooding, steam flooding, foam flooding, and integrated degree is high, and is rationally distributed, can bear the experimental study task of the multiple medium displacement of reservoir oil, can reduce the experiment input cost greatly.
In addition; The generation device of steam of the utility model be a kind of can to steam generator supporting steam pipework carry out the superheated steam producing device of reheat; Can carry out the echelon heating to water vapour; Make the superheated vapour temperature reach the requirement that superheated steam drives physical simulation experiment, and can carry out the experiment of superheated steam drive physical analogue.
In addition, be provided with in the pressure-detecting device of the utility model and be used for isolation sensor and basket and can transmit the spacing container of pressure, thereby can effectively protect pressure sensor not receive foreign substance pollution and damage.
Description of drawings
Fig. 1 is the structural representation of embodiment of the multimedium drive physical analogue experimental facilities of the utility model;
Fig. 2 is the schematic diagram of the superheated steam producing device of the utility model.
The specific embodiment
As shown in Figure 1; The embodiment of the multimedium drive physical analogue experimental facilities of the utility model, comprise the model part that is used for simulating oil deposit, to model part the injection part of multiple high pressure displacing medium is provided, fluid acquisition testing part that the fluid of model part is gathered and detected, test section that the temperature and the pressure of model part is detected.
Model part in the present embodiment is a basket 6, belongs to prior art, and it has and the outlet of injecting import that part links to each other, partly linking to each other with the fluid acquisition testing and the survey mouth of confession test section extraction corresponding signal.
Fluid acquisition testing in the present embodiment partly belongs to prior art, is included in the condensing apparatus 11, back pressure controller 12, graduated cylinder 13, the hand increasing pressure pump 14 that are connected in series successively on the downstream line that outlet connected of basket 6.
Said in the present embodiment inject part comprise be used for to corresponding displacing medium provide the high pressure displacement pump 1 of discharge pressure, respectively hold first of corresponding displacing medium ~ the 3rd intermediate receptacle 51 ~ 53, cooperate the generation device of steam that produces steam with said high pressure displacement pump 1, cooperate the foam generating device that produces foam with said high pressure displacement pump 1 and corresponding intermediate receptacle.
Like the generation device of steam among the utility model embodiment of Fig. 2 is a kind of superheated steam producing device that generates superheated steam; Shown in the schematic diagram of superheated steam producing device; Said superheated steam producing device mainly comprise through pipeline be connected to high pressure displacement pump 1 downstream be used for the liquid that high pressure displacement pump 1 provides become water vapour steam generator 2, be set in that steam generator 2 outlet connects counterpart on the hot medium pipeline water vapour is heated the high temperature oven 17 with the generation superheated steam; Hot medium pipeline is meant the pipeline that is connected between outlet and the said analog part import of said steam generator; Connect in steam generator 2 outlet in addition and also be arranged with insulating tube 20 on the hot medium pipeline on the part except sheathed high temperature oven 17, in addition also on the thermal insulation casing 20, on the high temperature oven 17, be respectively equipped with the temperature controller 21,22,23 that is used to monitor vapor (steam) temperature on the position that passes high temperature oven 17 of hot medium pipeline.In addition, in order to improve heat exchanger effectiveness, described pipeline through insulation baking oven 17 and thermal insulation casing 20 is done curl.Superheated steam producing device is when work; Will be from liquid (secondary water) the heating vaporization of displacement pump (high pressure displacement pump 1); Produce the water vapour of design temperature and stably carry the injection basket, in course of conveying, high temperature oven 17 can carry out reheat to water vapour; 320 ℃ of water vapours that steam generator is produced are heated to 370 ℃, thereby satisfy the needs that superheated steam drives physical simulation experiment.With second heating apparatus---high temperature oven is arranged on the basket entrance of steam conveying pipe; When both having guaranteed to carry out 370 ℃ of superheated steam experiments; Steam temperature is brought up to 370 ℃; Again steam is played insulation effect along journey, solve at one stroke and improve vapor (steam) temperature and keep vapor (steam) temperature to stablize two technical problems.In the present embodiment, said high temperature oven is the insulation baking oven that maximum temperature reaches 400 ℃ dry type heating, and insulation baking oven and muff can remain on 400 ℃ of temperature operations steadily in the long term.Superheated steam producing device in the utility model, the displacing medium required according to reality yet can not heat excessive temperature or do not make high temperature oven and obtain hot water or non-overheated steam medium; Above-mentioned superheated steam producing device is in the embodiment as shown in Figure 1 of the experimental facilities of the utility model; High temperature oven 17 is located at the import department of basket 6; And connects in steam generator 2 outlet and to be connected in series more than second on the hot medium pipeline and to lead to distributing valves 41 (Fig. 2 is a schematic diagram, Therefore, omited intermediate receptacle and Duo Tong control valve).
Certainly, in other embodiment of the utility model, only need not obtain hot water and non-superheated steam if need not obtain superheated steam, generation device of steam also can adopt the structure that does not comprise high temperature oven.
Said foam generating device comprises and is used to converge displacing agent (the frother aqueous solution) and gases at high pressure (air, nitrogen or carbon dioxide gas) to generate the foam maker 9 of foam; First import of foam maker 9 links to each other through the corresponding outlet with said the 3rd intermediate receptacle 53 of pipeline; Be connected with the gas cylinder 3, booster pump 7, the mass flowmenter 8 that are connected in series successively through pipeline that are used to provide gases at high pressure in second import of foam maker; Also be connected with on the foam maker 9 and be used to observe foam to generate the foam viewer 10 of situation, foam observation port 10 can be with the naked eye or supporting camera and computer keep watch on.
The outlet of said high pressure displacement pump 1 is connected through the import of pipeline with one more than first logical distributing valve 41; A plurality of outlets of logical distributing valve 41 more than first are through corresponding respectively the linking to each other with each import of first ~ the 3rd intermediate receptacle 51 ~ 53, the import of steam generator 2 of pipeline; Each outlet of the outlet of steam generator 2 and first, second intermediate receptacle 51,52 links to each other with each corresponding import of one more than second logical distributing valve 42 respectively through pipeline, and the outlet of said foam maker 9 links to each other with the corresponding import of more than second logical distributing valves 42 through pipeline.The outlet of logical distributing valve 42 more than second links to each other through the import of pipeline with basket 6.
The test section comprises temperature-detecting device, pressure-detecting device and computer 15 in the present embodiment.Wherein temperature-detecting device belongs to prior art, comprises the temperature pick up of gathering basket 6 relevant position temperature signals and the signal conversion that temperature pick up is obtained, the testing circuit 30 that shows and flow to computer 15.
The pressure-detecting device of the utility model comprises the pressure sensor 16 of gathering basket 6 relevant position pressure signals and the signal conversion that pressure sensor is obtained, the testing circuit 40 that shows and flow to computer 15; Testing circuit 40 and pressure sensor 16 belong to prior art; Present embodiment is to long rock core displacement test; The phenomenon that pressure oscillation is big, the pressure reduction change is big; Adopt many different range pressure sensor 16 parallelly connected staircase test, both satisfied the pressure detecting range, guaranteed the pressure detecting precision again through automaticallying switch.Cause the damage of sensor in order to prevent when the installation and removal pressure sensor 16 foreign matter from getting into pressure sensor 16; The improvements of the pressure-detecting device of the utility model are; Spacing container 18 that is used for pressure sensor 16 is carried out insulation blocking that the pressure-detecting device of the utility model is included in also that each of each pressure sensor 16 and basket 6 is corresponding to be connected between surveying mouthful; Spacing container 18 has the internal cavity that when work, is full of distilled water; Spacing container 18 has two interfaces that communicate with internal cavity; One of them interface is connected with the survey mouth of basket 6 through a three-way valve; Another interface is connected with the signals collecting end of pressure sensor 16, the pipeline that when the installation and removal pressure sensor connects, only needs installation and removal to be connected with valve, thus avoid the medium in the basket to reach the purpose of protecting pressure sensor with contacting of sensor.
In addition, do not receive externally temperature influence in order to keep experimental situation, described basket 6, first ~ the 3rd intermediate receptacle 51 ~ 53, foam maker 9, pressure sensor 16, high temperature oven 17, spacing container 18 are set in the insulating box.
The experimental facilities of the utility model to the combination of first and second many logical distributing valves 41,42 and relevant tube valve member, cooperates pressure-detecting device, temperature-detecting device can carry out following multiple simulated experiment through as follows when work:
A, the outlet that makes high pressure displacement pump 1 are led to distributing valves 41 through more than first and can be selected to be connected with the import of first or second intermediate receptacle 51,52 according to the difference of medium; The outlet of first, second intermediate receptacle 51,52 is connected with the import of basket 6 through more than second logical distributing valves 42, can carry out general chemistry and drive physical simulation experiment.
B, the outlet that makes high pressure displacement pump 1 are connected with steam generator 2 through more than first logical distributing valves 41, and the direct warp more than second of the outlet of steam generator 2 leads to distributing valves 42 and is connected with the import of basket 6.Can carry out hot water flooding, steam flooding physical simulation experiment, add that high temperature oven 17 can carry out superheated steam and drive physical simulation experiment.
C, gas cylinder 3, gas boosting pump 7, mass flowmenter 8 is connected through many logical distributing valves and intermediate receptacle with basket 6, can carries out the gas drive physical simulation experiment.
D, the outlet that makes high pressure displacement pump 1 are led to distributing valves 41 through more than first and are connected with the import of the 3rd intermediate receptacle 53; The outlet of the 3rd intermediate receptacle 53 is connected with the import of foam maker 9; The outlet of foam maker 9 is connected with the import of basket 6 through more than second logical distributing valves 42, can carry out the foam flooding physical simulation experiment.

Claims (6)

1. multimedium drive physical analogue experimental facilities; Comprise the model part of simulating oil deposit, the injection part that produces the high pressure displacing medium and inject to model part; Said injection part comprises high pressure displacement pump, it is characterized in that: the said part of injecting also comprises and holds first of corresponding displacing medium ~ the 3rd intermediate receptacle respectively, cooperates the generation device of steam that produces steam with said high pressure displacement pump and corresponding intermediate receptacle, cooperates the foam generating device that produces foam with said high pressure displacement pump and corresponding intermediate receptacle; Said generation device of steam mainly comprises steam generator; Said foam generating device comprises and is used to converge displacing agent and gases at high pressure to generate the foam maker of foam; First import of foam maker links to each other through the corresponding outlet with said the 3rd intermediate receptacle of pipeline, is connected with the gas cylinder, the booster pump that are connected in series successively through pipeline that are used to provide gases at high pressure in second import of foam maker; Said high pressure displacement delivery side of pump is connected through the import of pipeline with one more than first logical distributing valve; A plurality of outlets of logical distributing valve more than first are through corresponding respectively the linking to each other with each import of first ~ the 3rd intermediate receptacle, the import of steam generator of pipeline; Each outlet of the outlet of steam generator and first, second intermediate receptacle links to each other with each corresponding import of one more than second logical distributing valve respectively through pipeline, and the outlet of said foam maker links to each other with the corresponding import of more than second logical distributing valves through pipeline; The outlet of logical distributing valve more than second links to each other with the import of analog part through pipeline.
2. experimental facilities according to claim 1; It is characterized in that: be connected with the hot medium pipeline that is connected in series logical distributing valve more than second between the outlet of said steam generator and the said analog part import; Described generation device of steam is a superheated steam producing device, said superheated steam producing device also comprise the counterpart that is set on the said hot medium pipeline to the water vapour heating to generate the high temperature oven of superheated steam.
3. experimental facilities according to claim 2 is characterized in that: also be arranged with insulating tube on the part on the said hot medium pipeline except sheathed high temperature oven.
4. experimental facilities according to claim 2 is characterized in that: said high temperature oven is located at the import department of model part.
5. experimental facilities according to claim 1 is characterized in that: also be connected with the foam viewer that is used to observe foam generation situation on the said foam maker.
6. experimental facilities according to claim 1; It is characterized in that: said experimental facilities also comprises fluid acquisition testing part, test section; The test section comprises temperature-detecting device, pressure-detecting device and computer; Said model part is a basket; Said pressure-detecting device comprises the pressure sensor of gathering basket relevant position pressure signal and the signal conversion that pressure sensor is obtained, the testing circuit that shows and flow to computer; Spacing container that is used for pressure sensor is carried out insulation blocking that pressure-detecting device is included in also that each of each pressure sensor and basket is corresponding to be connected between surveying mouthful, spacing container has the internal cavity that when work, is full of distilled water, and spacing container has two interfaces that communicate with internal cavity; One of them interface is connected with the survey mouth of basket, and another interface is connected with the signals collecting end of pressure sensor.
CN2011202840617U 2011-08-06 2011-08-06 Multi-medium oil displacement physical simulation experiment device CN202202850U (en)

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CN104650950A (en) * 2014-12-24 2015-05-27 中国石油天然气股份有限公司 Experimental device and experimental method of superheated steam distillation of thickened oil
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CN105548488B (en) * 2016-01-01 2017-09-22 东北石油大学 The method of the actual mining site carbon dioxide long range foam flooding of simulation
CN107366527A (en) * 2017-07-26 2017-11-21 中国石油天然气股份有限公司 Gas bubble assisted steam flooding heavy crude producing analogue experiment installation and experimental method
CN107366527B (en) * 2017-07-26 2019-06-11 中国石油天然气股份有限公司 Gas bubble assisted steam flooding heavy crude producing imitative experimental appliance and experimental method
CN107842349A (en) * 2017-12-22 2018-03-27 浙江海洋大学 A kind of device and application method for simulating viscous crude steam bubble displacement system different temperatures region Flooding Efficiency
CN107842349B (en) * 2017-12-22 2021-02-19 浙江海洋大学 Device for simulating displacement effect of thick oil steam-foam displacement system in different temperature areas and using method

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