CN202441353U - Low pressure visualization two-dimensional sand-filling model used for heavy oil thermal recovery - Google Patents

Low pressure visualization two-dimensional sand-filling model used for heavy oil thermal recovery Download PDF

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Publication number
CN202441353U
CN202441353U CN2012200664992U CN201220066499U CN202441353U CN 202441353 U CN202441353 U CN 202441353U CN 2012200664992 U CN2012200664992 U CN 2012200664992U CN 201220066499 U CN201220066499 U CN 201220066499U CN 202441353 U CN202441353 U CN 202441353U
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CN
China
Prior art keywords
gland
ontology
sealing
low pressure
filling
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CN2012200664992U
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Chinese (zh)
Inventor
赵法军
刘永建
冯进来
耿志刚
申家年
戴春雷
王松
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东北石油大学
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Priority to CN2012200664992U priority Critical patent/CN202441353U/en
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Publication of CN202441353U publication Critical patent/CN202441353U/en

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Abstract

The utility model discloses a low pressure visualization two-dimensional sand-filling model used for heavy oil thermal recovery. The low pressure visualization two-dimensional sand-filling model used for the heavy oil thermal recovery resolves the problems that an existing model cannot achieve intuitive dynamic observation for an oil displacement process and provide a basis for numerical modeling and field tests. The low pressure visualization two-dimensional sand-filling model used for the heavy oil thermal recovery comprises a model body, wherein a lower surface of the model body is connected with a gland in sealed mode, an upper surface of the model body is provided with organic glass which is good in visuality and contacts with the upper surface in sealed mode, a heat insulation layer is arranged inside a sealing cavity formed by the model body, the gland, and the organic glass, testing elements are arranged on the gland, and the model body is disposed inside a sealed square groove. By means of the organic glass which is good in visuality, the intuitive dynamic observation for the oil displacement process can be achieved, and a state and distribution of liquid inside the model can be described. Furthermore, the low pressure visualization two-dimensional sand-filling model used for the heavy oil thermal recovery can be directly connected with a computer to achieve data acquisition and image manipulation and analysis, thereby providing the basis for the numerical modeling and the field tests.

Description

A kind of visual two-dimentional sandpack column of heavy crude heat extraction low pressure that is used for
Technical field
The utility model relates to a kind of physical model that is applied in the oil reservoir development research, and concrete is heavy crude heat extraction two dimensional surface high-low pressure physical model.
Background technology
At present, be main to the thickened oil recovery mode by steam soak to the development in pluralism target, development has formed following correlation technique: the steam soak technology is improved in (1); (2) steam flooding technology, for being inappropriate for the steam soak oil reservoir that carries out continuous steam flooding, intermittently steam flooding is expected to become an important substituted technique; (3) ultra viscous crude SAGD (SAGD) technology; (4) nitrogen foam drives technology; (5) horizontal well/Multilateral Wells technology; (6) heavy oil cold flow production technology and (7) water drive viscous crude, thin oil exploitation via steam injection technology.
Technology to the further research of above-mentioned needs; Need supporting thermal recovery research equipment; These equipment comprise one dimension rock core displacement equipment, dimensional proportions physical analogy equipment, three-dimensional analog simulation equipment and other auxiliary equipment thereof, carry out corresponding experiment to different needs.Because two dimensional model can obtain more to many experiment information than the one-dimensional model displacement, more near the true process in oil field, operation saves time than threedimensional model again, and research cycle is shorter, so use very extensive at present at home and abroad.Conventional two dimensional surface physical model is used for simulating the plane flow regime of fluid and the distribution of fluid pressure; Can not dynamic observe oil displacement process intuitively; Like the phenomenons such as formation, migration and diffusion that steam and solvent in the Vapex technology spread, high temperature foam drives foam in the process; Be difficult to model inner fluid state and distribution are described, thereby can't foundation be provided, can not study the mechanism of various displacement processes for numerical simulation and field trial.
Summary of the invention
The purpose of the utility model provides the visual two-dimentional sandpack column of a kind of heavy crude heat extraction low pressure; This model can dynamic observe oil displacement process intuitively; Descriptive model inner fluid state and distribution situation; And can directly be connected with computer and carry out data acquisition and image processing analysis, for numerical simulation and field trial provide foundation.
For realizing the foregoing invention purpose, the technical scheme that the application adopts is: a kind of visual two-dimentional sandpack column of heavy crude heat extraction low pressure that is used for comprises square groove, model ontology; Sealing is tightened up gland, sight glass, grid pressing plate; Insulating; Testing element and muff support bar, wherein model ontology is the square framework of specification less than square groove, sealing is tightened up gland through the soffit of compacting screw at model ontology; Form the lower cover of model ontology, be provided with flexible graphite stuffing between the contact surface of the two; Sealing is tightened up and support bar is set below the gland, and support bar is through on the base plate that is bolted to square groove; The upper surface of model ontology is placed sight glass, and the grid pressure plate is stamped in the sealing contact between the two above the sight glass; The bottom surface and the side of tightening up the confined space that gland surrounds in model ontology, sight glass and sealing are provided with insulating, pass insulating and sealing and tighten up gland some testing elements are set; Above-mentioned grid pressing plate is through being bolted on the model ontology, and tightens up screw on square groove through sealing.
The application's beneficial effect: it is foursquare hexahedral shape that this model adopts cross section, maximum working pressure (MWP) 2Mpa, and steel body structure, form adopt organic glass to make, through the direct observation experiment phenomenon or photograph and make a video recording of glass.This model manipulation is easy in addition, and the visual field is broad, and definition is high; Function of use that existing and dull and stereotyped sandstone physical model is same and all kinds of characteristics; The same with the microphysics model again is visual, can dynamic observe descriptive model inner fluid state and distribution situation to oil displacement process intuitively; And can directly be connected with computer and carry out data acquisition and image processing analysis, for numerical simulation and field trial provide foundation.
Description of drawings
Fig. 1 is the front view of the application's model.
Fig. 2 is that Fig. 1 is a vertical view.
The specific embodiment
Below in conjunction with accompanying drawing the application is further described:
Combine shown in Figure 2 by Fig. 1: a kind of visual two-dimentional sandpack column of heavy crude heat extraction low pressure that is used for, comprise square groove 12, model ontology 6, gland 3 is tightened up in sealing; Sight glass 9, grid pressing plate 10, insulating 11; Testing element 4 and muff support bar 1, wherein model ontology 6 is specification square boxs less than square groove 12, gland 3 is fixed on model ontology 6 through compacting screw 5 soffit is tightened up in sealing; Form the lower cover of model ontology 6, be provided with flexible graphite stuffing 2 between the contact surface of the two; Sealing is tightened up and support bar 1 is set below the gland 3, and support bar 1 is through on the base plate that is bolted to square groove 12; The upper surface of model ontology 6 is placed sight glass 9, and grid pressure plate 10 is stamped in the sealing contact between the two above the sight glass 9; The bottom surface and the side of tightening up the confined space that gland 3 surrounded in model ontology 6, sight glass 9 and sealing are provided with insulating 11, pass insulating 11 and sealing and tighten up gland 3 some testing elements 4 are set; Above-mentioned grid pressing plate 10 is fixed on the model ontology 6 through bolt 8, and through sealing tighten up screw 7 be fixed on square groove 1 above.
When using the visual two-dimentional sandpack column of this low pressure to carry out simulating lab test,,, select different permeability grade of oil reservoir and filling to use quartz sand particle size, be filled into model ontology with reference to the oil reservoir actual conditions according to the empirical relation of quartz sand size and permeability.Fill in after the sand; With the associated components assembled formation; The two-dimentional visual sandpack column that completes is placed in the insulating box; Vacuumize saturation water or oil, the characteristics of motion of oil, water and displacing fluid in the simulating oil deposit truly just, realize mensuration, each position remaining oil of monitoring reservoir model of two-dimentional sandpack column physical parameter variation characteristic, carry out research such as different displacement mode oil displacement efficiency evaluation.
This visual two-dimentional sandpack column is mainly used in process studies such as driving mechanism, fluid flow state, residual oil distribution.In recovery process such as ultra viscous crude SAGD, VAPEX, utilize two-dimentional scale model can observe steam and solvent diffusion, the rule researchs such as formation, migration and diffusion of foaming agent in the high temperature foam transfer drive process.Visual two-dimentional sandpack column also can be used for carrying out water-drive pool thermal recovery technology mechanism research, also can be used for SAGD, GASD; Technical research such as VAPEX; Can observe model inner fluid state and distribution through video camera, thereby can study the mechanism of various displacement processes.

Claims (1)

1. one kind is used for the visual two-dimentional sandpack column of heavy crude heat extraction low pressure, comprises square groove, model ontology, and gland is tightened up in sealing; Sight glass, grid pressing plate, insulating; Testing element and muff support bar is characterized in that: said model ontology is the square framework of specification less than square groove, and sealing is tightened up gland through the soffit of compacting screw at model ontology; Form the lower cover of model ontology, be provided with flexible graphite stuffing between the contact surface of the two; Sealing is tightened up and support bar is set below the gland, and support bar is through on the base plate that is bolted to square groove; The upper surface of model ontology is placed sight glass, and the grid pressure plate is stamped in the sealing contact between the two above the sight glass; The bottom surface and the side of tightening up the confined space that gland surrounds in model ontology, sight glass and sealing are provided with insulating, pass insulating and sealing and tighten up gland some testing elements are set; Above-mentioned grid pressing plate is through being bolted on the model ontology, and tightens up screw on square groove through sealing.
CN2012200664992U 2012-02-27 2012-02-27 Low pressure visualization two-dimensional sand-filling model used for heavy oil thermal recovery CN202441353U (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103161452A (en) * 2013-03-13 2013-06-19 中国石油天然气股份有限公司 Two-dimension microcosmic visualization experiment simulating device and use method thereof
CN103206209A (en) * 2013-03-26 2013-07-17 中国石油大学(华东) Comprehensive simulation experiment device for reservoir heterogeneity
CN104265255A (en) * 2014-09-26 2015-01-07 中国石油天然气股份有限公司 Two-dimensional microcosmic visual thickened oil replacement simulation experiment system and use method thereof
CN104929600A (en) * 2015-06-24 2015-09-23 中国石油大学(北京) Oil sand SAGD visual two-dimensional physical simulation device and application method thereof
CN105332679A (en) * 2015-11-26 2016-02-17 东北石油大学 Physical simulation method for achieving thermal recovery process of indoor core
CN105761595A (en) * 2016-02-25 2016-07-13 北京科技大学 Temperature-controlled reusable two-dimensional visualization porous medium sand packed model and method of manufacture
CN105952438A (en) * 2016-06-17 2016-09-21 重庆科技学院 Visualized two-dimensional physical simulation experiment device for thermal thickened-oil extraction
CN106939785A (en) * 2016-01-04 2017-07-11 中国石油大学(华东) A kind of visualization of 3 d fireflood experimental system for simulating
CN106952557A (en) * 2017-04-25 2017-07-14 中国石油大学(华东) A kind of experimental provision for simulating unconventionaloil pool reservoir micro-fractures
CN110513091A (en) * 2019-09-09 2019-11-29 中国海洋石油集团有限公司 A kind of long horizontal sections multiple spot steam injection measuring device for heavy crude heat extraction experiment

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103161452A (en) * 2013-03-13 2013-06-19 中国石油天然气股份有限公司 Two-dimension microcosmic visualization experiment simulating device and use method thereof
CN103161452B (en) * 2013-03-13 2015-11-18 中国石油天然气股份有限公司 Two dimension microcosmic visual Simulation experimental facilities and using method thereof
CN103206209B (en) * 2013-03-26 2015-10-21 中国石油大学(华东) Comprehensive simulation experiment device for reservoir heterogeneity
CN103206209A (en) * 2013-03-26 2013-07-17 中国石油大学(华东) Comprehensive simulation experiment device for reservoir heterogeneity
CN104265255A (en) * 2014-09-26 2015-01-07 中国石油天然气股份有限公司 Two-dimensional microcosmic visual thickened oil replacement simulation experiment system and use method thereof
CN104929600B (en) * 2015-06-24 2017-11-24 中国石油大学(北京) A kind of oil-sand SAGD visualization two-dimensional physical analog machines and its application process
CN104929600A (en) * 2015-06-24 2015-09-23 中国石油大学(北京) Oil sand SAGD visual two-dimensional physical simulation device and application method thereof
CN105332679A (en) * 2015-11-26 2016-02-17 东北石油大学 Physical simulation method for achieving thermal recovery process of indoor core
CN105332679B (en) * 2015-11-26 2018-02-02 东北石油大学 A kind of laboratory core realizes the physical simulating method of thermal process
CN106939785A (en) * 2016-01-04 2017-07-11 中国石油大学(华东) A kind of visualization of 3 d fireflood experimental system for simulating
CN105761595A (en) * 2016-02-25 2016-07-13 北京科技大学 Temperature-controlled reusable two-dimensional visualization porous medium sand packed model and method of manufacture
CN105952438A (en) * 2016-06-17 2016-09-21 重庆科技学院 Visualized two-dimensional physical simulation experiment device for thermal thickened-oil extraction
CN105952438B (en) * 2016-06-17 2019-04-23 重庆科技学院 A kind of heavy crude heat extraction visualization two-dimensional physical imitative experimental appliance
CN106952557A (en) * 2017-04-25 2017-07-14 中国石油大学(华东) A kind of experimental provision for simulating unconventionaloil pool reservoir micro-fractures
CN110513091A (en) * 2019-09-09 2019-11-29 中国海洋石油集团有限公司 A kind of long horizontal sections multiple spot steam injection measuring device for heavy crude heat extraction experiment

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