CN202381062U - Three-dimensional physical simulation system for heavy oil horizontal well steam drive - Google Patents
Three-dimensional physical simulation system for heavy oil horizontal well steam drive Download PDFInfo
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- CN202381062U CN202381062U CN 201120376545 CN201120376545U CN202381062U CN 202381062 U CN202381062 U CN 202381062U CN 201120376545 CN201120376545 CN 201120376545 CN 201120376545 U CN201120376545 U CN 201120376545U CN 202381062 U CN202381062 U CN 202381062U
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Abstract
The utility model provides a three-dimensional physical simulation system for heavy oil horizontal well steam drive. A model body connected with an injection system is linked with a measurement and control system and an output system, the model body comprises a testing oil layer, a pressure sensor, a differential pressure sensor and a thermocouple, and the injection system comprises a steam injection unit, a chemical agent injection unit, an air injection unit and a saturated oil unit. The three-dimensional physical simulation system for the heavy oil horizontal well steam drive has the advantages of being safe and reliable in system, easy to operate in laboratories and the like.
Description
Technical field
The utility model relates to pilot system in the petroleum thermal recovery steam injection process chamber, particularly relates to a kind of thick oil horizontal well steam flooding three-dimensional physical simulation system.
Background technology
The steam flooding three-dimensional physical simulation system that uses at present adopts circular configuration more; Pressure is low, point for measuring temperature is few; Different reservoir geology parameters (permeability, oil saturation, degree of porosity, viscosity of crude, reservoir heterogeneity) under the straight well condition can only be simulated to the influence of steam flooding effect, the feasibility of horizontal well steam flooding applicable scope and concrete oil reservoir steam flooding can't be estimated.Can only simulate the influence of different injection-production technology modes under the straight well condition, parameter (well pattern, well spacing, steam injecting temperature, speed, mass dryness fraction, nitrogen foam agent injection mode and parameter, perforation mode, parameter etc.) to the steam flooding effect; Little to on-the-spot reservoir management directive function; Can't experimental basis be provided for the field conduct scheme of horizontal well, also can't basic data be provided for numerical simulation.Can't further investigate horizontal well steam flooding mechanism of oil displacement, directly influence the development prospect of in-situ horizontal well steam drive oil production technology.We have invented a kind of new thick oil horizontal well steam flooding three-dimensional physical simulation system for this reason, have solved above technical problem.
Summary of the invention
But the purpose of the utility model provides a kind of Simulated Water horizontal well and adopts multiple development scheme to improve the thick oil horizontal well steam flooding three-dimensional physical simulation system of the three-dimensional physical simulation experiment of recovery ratio.
The purpose of the utility model can realize through following technical measures:
This thick oil horizontal well steam flooding three-dimensional physical simulation system comprises injected system, TT&C system, output system and model ontology; This injected system is steam in jection, chemical agent, gas and saturated oils in this model ontology; This TT&C system is provided with this output system this injected system and inner each the thermometric pressure tap of this model ontology is carried out data acquisition; This output system accomplishes and drives a well, closing well and level pressure production; The model ontology that connects injected system links to each other with the output system with TT&C system, and this model ontology comprises test oil reservoir, pressure sensor, differential pressure pick-up and thermocouple, is furnished with simulation well in this test oil reservoir; This thermocouple divides upper, middle and lower-ranking to arrange in this test oil reservoir; This pressure sensor is positioned at this simulation well, and this differential pressure pick-up is positioned at the exit position of this simulation well, with the simulated test of the oil reservoir that makes an experiment.This injected system comprises that steam injects the unit, chemical agent injects unit, gas injection unit and saturated oils unit.
The purpose of the utility model also can realize through following technical measures:
This steam injects the unit and comprises water pump, steam generator and distribution pump, and steam is to adopt to give this water pump feedwater, through this steam generator, mixes with this distribution pump, regulates the mass dryness fraction of this steam, injects this model ontology.
This chemical agent injects the unit and comprises the constant speed pump and first intermediate receptacle, adopts this constant speed pump displacement, displacing fluid is squeezed into from this first intermediate receptacle lower end, thereby the medium of this first intermediate receptacle upper end is ejected, and gets into this model ontology.
This gas injects the unit and comprises gas cylinder, strainer, reducing valve and flow measuring and controlling device, adopts this gas cylinder that source of the gas is provided, filter through this strainer, and this reducing valve decompression, this flow measuring and controlling device is measured and the control flow, makes gas get into this model ontology.
This saturated oils unit comprises the constant speed pump and second intermediate receptacle, adopts this constant speed pump displacement, displacing fluid is squeezed into from this second intermediate receptacle lower end, thereby the saturated oils of this second intermediate receptacle upper end is ejected, and gets into this model ontology.
This TT&C system comprises data acquisition processing system, and temperature, pressure, the differential pressure data of gathering are analyzed.
This output system comprises air compressor, producing well back pressure control module and output liquid collector unit; This air compressor provides aerodynamic force for this producing well back pressure control module; This producing well back pressure control module control pneumatic element action; Drive the open and close of valve, this output liquid collector unit carries out the collection to output object.
This model ontology also comprises main body, upper cover, lower platen and isolation layer; This upper cover is a square structure; Fixed by bolt and this main body, this isolation layer adopts high temperature insulating thermal insulation coatings and tetrafluoro thermal insulation slab to cover this main body of knot, and this lower platen fixes through screw rod and this main body.
This model ontology also comprises the confined pressure system, and this confined pressure system comprises confined pressure piston and sealing ring, drives moving up and down of this upper cover plate through moving up and down of this confined pressure piston, this model inside is applied cover pressure.
This simulation well is one or more well patterns in 5 of straight wells or 9 points, two horizontal well, parallel stagger arrangement formula horizontal well or the straight well/horizontal well combination.
Thick oil horizontal well steam flooding three-dimensional physical simulation system in the utility model; Adopt square three-dimensional simulation mode; Utilize theory of similarity research control and optimum level well well pattern; Have simulation straight well 9 points, two horizontal well, parallel stagger arrangement formula horizontal well, straight well/many well patterns place function such as horizontal well combination, research steam-front plane advances and the spread rule, to the dynamic reservoir management of horizontal well steam flooding field trial important directive function is provided.Thick oil horizontal well steam flooding three-dimensional physical simulation system in the utility model can carry out horizontal well steam flooding three-dimensional physical simulation experiment, and can carry out that steam flooding, steam bubble drive, multiple development schemes such as chemical vapors drives, compound steam gas drive improve the experiment of recovery ratio three-dimensional physical simulations.Thick oil horizontal well steam flooding three-dimensional physical simulation systematic parameter measuring point in the utility model distributes extensively, layout theory property is strong; Do not conflict with the layout of simulation well; Do not influence the oil reservoir interior flow field and distribute, can the three-dimensional steam flooding process of real simulation in the thermal field of experiment oil reservoir.In addition, the thick oil horizontal well steam flooding three-dimensional physical simulation security of system good reliability in the utility model, repeatedly filling, repeated use, maintenance are easy, are easy to laboratory operation.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the workflow sketch map of the utility model embodiment;
Fig. 3 is the structural representation of model ontology among Fig. 1.
The specific embodiment
For make the above-mentioned of the utility model and other purposes, feature and advantage can be more obviously understandable, the hereinafter spy enumerates preferred embodiment, and cooperates appended graphicly, elaborates as follows.
As shown in Figure 1, Fig. 1 is the structure chart of the thick oil horizontal well steam flooding three-dimensional physical simulation system of the utility model.This thick oil horizontal well steam flooding three-dimensional physical simulation system is made up of injected system 10, TT&C system 11, output system 12 and model ontology 13, and The model places on the rotating model support.Injected system 10 is used for to model ontology 13 steam in jections, chemical agent, gas and saturated oils; Guarantee the smooth realization of different injection modes, different injection parameters, injected system 10 is injected unit 101, chemical agent injection unit 102, gas injection unit 103 and saturated oils unit 104 by steam and is formed.Said steam injects unit 101 and adopts steam generator and distribution pump steam regulation mass dryness fraction, injection model body 13.Said chemical agent injects unit 102 and mainly is made up of constant speed pump, first intermediate receptacle, valve, pipeline etc.; Adopt the displacement of constant speed pump; Displacing fluid is squeezed into from the first intermediate receptacle lower end, thereby the medium of first intermediate receptacle upper end is ejected, get into model ontology 13.Said gas injects unit 104 and adopts gas cylinder that source of the gas is provided, and through the reducing valve decompression, the flow measuring and controlling device is measured and the control flow, gets into model ontology 13.Said saturated oils unit 104 mainly is made up of constant speed pump, band heating second intermediate receptacle, valve, pipeline etc.; Be used to adopt the displacement of constant speed pump; Displacing fluid (like water) is squeezed into from the second intermediate receptacle lower end, thereby the saturated oils of second intermediate receptacle upper end is ejected, get into model.
TT&C system 11 comprises thermocouple, pressure sensor, differential pressure pick-up, gas flowmeter, computer interface circuit etc., is used to realize to the concrete setting of injected system, output system, accessory system and the data acquisition of inner each the thermometric pressure tap of model.
Output system 12 comprises air compressor 33, producing well back pressure control module 34 and output liquid collector unit 35; Producing well back pressure control module 34 mainly is made up of high temperature valve, pneumatic element, electromagnetic valve, adjuster, controller, A/D module, pressure regulator etc., is used for reservoir management functions such as completion drives a well, closing well, level pressure production.
Simulation body 13 is connected with injected system 10, TT&C system 11 and output system 12; Comprise main body and the capping up and down that is fixed as one thereof, isolation layer, pressure guiding pipe, thermocouple, support, be installed on test oil reservoir in the main body; Model ontology adopts square structure; Pre-buried notes are adopted horizontal well, straight well, pressure field measuring point, thermal field sensor, the simulated test of the oil reservoir that makes an experiment.
As shown in Figure 2, Fig. 2 is the workflow sketch map of the thick oil horizontal well steam flooding three-dimensional physical simulation system of the utility model.Steam injects the unit and comprises water pump 22, steam generator 23 and distribution pump 24, and steam is to adopt feed pump 22 feedwater, through steam generator 23, mixes the mass dryness fraction of steam regulation, the test oil reservoir of injection model body 25 with distribution pump 2.Chemical agent injects the unit or saturated oils injection unit comprises constant speed pump 26, first intermediate receptacle (interior dress chemical agent), 27 and second intermediate receptacle (interior dress saturated oils) 28; Chemical agent is to adopt 26 displacements of constant speed pump; Displacing fluid is squeezed into from first intermediate receptacle, 27 lower ends; Thereby the medicament of first intermediate receptacle, 27 upper ends is ejected, get into the test oil reservoir of model ontology 25.Saturated oils is to adopt 26 displacements of constant speed pump, displacing fluid is squeezed into from second intermediate receptacle, 28 lower ends, thereby the crude oil of second intermediate receptacle, 28 upper ends is ejected, and gets into the test oil reservoir of model ontology 25.Gas injects the unit and comprises gas cylinder 29, strainer 30, reducing valve 31 and flow measuring and controlling device 32; Gas adopts gas cylinder 29 that source of the gas is provided, and filters reducing valve 31 decompressions through strainer 30; Flow measuring and controlling device 32 is measured and the control flow, gets into the test oil reservoir of model ontology 25.
TT&C system is realized the measurement and the control of temperature, pressure, differential pressure, and is analyzed by data acquisition processing system 36.
The output system comprises air compressor 33, producing well back pressure control module 34 and output liquid collector unit 35; Air compressor 33 provides aerodynamic force for the back pressure control module, and producing well back pressure control module 34 is according to the pressure parameter of setting, the withdrawal well force value that pressure sensor records; Through computing relatively; Host computer adjustment pressure regulator, the action of control pneumatic element drives the open and close of valve.The collection that output liquid collector unit 35 is realized output object.
Test oil reservoir in the model ontology 25 is arranged 147 thermocouples altogether, divides upper, middle and lower-ranking evenly to arrange, arranges 49 for every layer; 15 of pressure sensors are positioned at simulation well; 3 of differential pressure pickups are arranged in the exit position of simulating producing well, can realize the dynamically accurately measurement of oil reservoir different parts temperature, pressure, pressure reduction, are transferred to computer 37 through data collecting system, and data are handled.
Fig. 3 is the structure chart of model ontology in the thick oil horizontal well steam flooding three-dimensional physical simulation system of the utility model.Said model ontology is made up of test oil reservoir of main body 7, upper cover 2, lower platen 5, isolation layer 4, confined pressure system, screw rod 6, thermocouple, filling etc.Said upper cover 2 is a square structure, is fixed by bolt and main body 7, utilizes the confined pressure system of upper cover 2 that model inside is applied and covers pressure, simulates true formation pressure.Said isolation layer 4 adopts high temperature insulating thermal insulation coatings and tetrafluoro thermal insulation slab to cover knot main body 7, and its thickness is 10mm.Said confined pressure system is made up of confined pressure piston 1, sealing ring 3, drives moving up and down of upper cover 2 through moving up and down of confined pressure piston 1, realizes model inside applied covering pressure.Lower platen 5 fixes through screw rod 6 and main body 7.The test oil reservoir that filling is arranged in the main body 7, said thermocouple divides upper, middle and lower-ranking to arrange in the test oil reservoir, arranges 49 for every layer, totally 147 temperature thermocouples.Simulation well is equipped with differential pressure pick-up 3-6 and props up, and pressure sensor 15-20 props up.Be furnished with one or more well patterns in 5 of straight wells or 9 points, two horizontal well, parallel stagger arrangement formula horizontal well or straight well/horizontal well combination in the said test oil reservoir.
Claims (2)
1. thick oil horizontal well steam flooding three-dimensional physical simulation system; It is characterized in that the model ontology that connects injected system links to each other with the output system with TT&C system; Model ontology comprises test oil reservoir, pressure sensor, differential pressure pick-up and thermocouple, and injected system comprises that steam injects the unit, chemical agent injects unit, gas injection unit and saturated oils unit.
2. thick oil horizontal well steam flooding three-dimensional physical simulation according to claim 1 system is characterized in that described steam injects the unit and comprises water pump, steam generator and distribution pump.
3. thick oil horizontal well steam flooding three-dimensional physical simulation according to claim 1 system is characterized in that described chemical agent injects the unit and comprises the constant speed pump and first intermediate receptacle.
4. thick oil horizontal well steam flooding three-dimensional physical simulation according to claim 1 system is characterized in that described gas injects the unit and comprises gas cylinder, strainer, reducing valve and flow measuring and controlling device.
5. thick oil horizontal well steam flooding three-dimensional physical simulation according to claim 1 system is characterized in that described saturated oils unit comprises the constant speed pump and second intermediate receptacle.
6. thick oil horizontal well steam flooding three-dimensional physical simulation according to claim 1 system is characterized in that described output system comprises air compressor, producing well back pressure control module and output liquid collector unit.
7. thick oil horizontal well steam flooding three-dimensional physical simulation according to claim 1 system; It is characterized in that described model ontology also comprises main body, upper cover, lower platen and isolation layer; Upper cover is a square structure; Fixed by bolt and main body, isolation layer adopts high temperature insulating thermal insulation coatings and tetrafluoro thermal insulation slab to cover the knot main body, and lower platen fixes through screw rod and main body.
8. thick oil horizontal well steam flooding three-dimensional physical simulation according to claim 7 system is characterized in that described model ontology also comprises the confined pressure system, and this confined pressure system comprises confined pressure piston and sealing ring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201120376545 CN202381062U (en) | 2011-09-29 | 2011-09-29 | Three-dimensional physical simulation system for heavy oil horizontal well steam drive |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114842A (en) * | 2013-02-05 | 2013-05-22 | 中国海洋石油总公司 | Experimental facility and model system thereof for simulating thickened oil steam huff and puff oil extraction |
| CN103485753A (en) * | 2013-09-18 | 2014-01-01 | 张方礼 | Bottom water heavy oil reservoir steam flooding two-dimensional proportion physical simulation device and using method thereof |
| CN103527176A (en) * | 2013-10-28 | 2014-01-22 | 东北石油大学 | Stereoscopic development three-dimensional experimental device of heavy oil reservoir |
| CN104122257A (en) * | 2013-04-27 | 2014-10-29 | 中国石油化工股份有限公司 | Two-dimensional visual chemical foam evaluation physical simulation system |
| CN105445444A (en) * | 2015-11-18 | 2016-03-30 | 中国石油天然气股份有限公司 | Device and method for coke generation and physicochemical property study in air-injected oil recovery process |
| CN107060709A (en) * | 2017-03-14 | 2017-08-18 | 海安县石油科研仪器有限公司 | Microbial oil displacement acts on three-dimensional physical simulation experimental provision |
| CN107152272A (en) * | 2017-07-11 | 2017-09-12 | 中国石油大学(北京) | The determination apparatus and method of the parameter of migration of reservoir top water |
| CN109113731A (en) * | 2018-07-16 | 2019-01-01 | 中国石油天然气股份有限公司 | Straight well horizontal well combined steam drives thickened oil recovery physical simulation system and method |
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2011
- 2011-09-29 CN CN 201120376545 patent/CN202381062U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103114842A (en) * | 2013-02-05 | 2013-05-22 | 中国海洋石油总公司 | Experimental facility and model system thereof for simulating thickened oil steam huff and puff oil extraction |
| CN104122257A (en) * | 2013-04-27 | 2014-10-29 | 中国石油化工股份有限公司 | Two-dimensional visual chemical foam evaluation physical simulation system |
| CN104122257B (en) * | 2013-04-27 | 2018-08-14 | 中国石油化工股份有限公司 | Two dimensional visible chemistry foam evaluations physical simulation system |
| CN103485753A (en) * | 2013-09-18 | 2014-01-01 | 张方礼 | Bottom water heavy oil reservoir steam flooding two-dimensional proportion physical simulation device and using method thereof |
| CN103485753B (en) * | 2013-09-18 | 2016-04-06 | 张方礼 | Oriented perforating steam flooding two-dimensional proportion physical simulation device and using method thereof |
| CN103527176A (en) * | 2013-10-28 | 2014-01-22 | 东北石油大学 | Stereoscopic development three-dimensional experimental device of heavy oil reservoir |
| CN103527176B (en) * | 2013-10-28 | 2016-10-05 | 东北石油大学 | Stereoscopic development three-dimensional experimental device of heavy oil reservoir |
| CN105445444A (en) * | 2015-11-18 | 2016-03-30 | 中国石油天然气股份有限公司 | Device and method for coke generation and physicochemical property study in air-injected oil recovery process |
| CN107060709A (en) * | 2017-03-14 | 2017-08-18 | 海安县石油科研仪器有限公司 | Microbial oil displacement acts on three-dimensional physical simulation experimental provision |
| CN107152272A (en) * | 2017-07-11 | 2017-09-12 | 中国石油大学(北京) | The determination apparatus and method of the parameter of migration of reservoir top water |
| CN107152272B (en) * | 2017-07-11 | 2019-07-05 | 中国石油大学(北京) | The determination device and method of the parameter of migration of reservoir top water |
| CN109113731A (en) * | 2018-07-16 | 2019-01-01 | 中国石油天然气股份有限公司 | Straight well horizontal well combined steam drives thickened oil recovery physical simulation system and method |
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Granted publication date: 20120815 Termination date: 20150929 |
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