CN202611688U - Thickened oil reservoir thermal extraction linear physical simulation system - Google Patents

Thickened oil reservoir thermal extraction linear physical simulation system Download PDF

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Publication number
CN202611688U
CN202611688U CN 201220167599 CN201220167599U CN202611688U CN 202611688 U CN202611688 U CN 202611688U CN 201220167599 CN201220167599 CN 201220167599 CN 201220167599 U CN201220167599 U CN 201220167599U CN 202611688 U CN202611688 U CN 202611688U
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China
Prior art keywords
pressure
model
unit
main body
pipe
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Expired - Fee Related
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CN 201220167599
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Chinese (zh)
Inventor
王善堂
白艳丽
刘冬青
戴宇婷
蔡文斌
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China Petroleum and Chemical Corp
Oil Production Technology Research Institute of Sinopec Shengli Oilfield Co
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China Petroleum and Chemical Corp
Oil Production Technology Research Institute of Sinopec Shengli Oilfield Co
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Priority to CN 201220167599 priority Critical patent/CN202611688U/en
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Abstract

The utility model provides a thickened oil reservoir thermal extraction linear physical simulation system which comprises an injection system, a model main body, a data acquisition and control system and an output system. The injection system injects steam, medicament and gas into the model main body, the data acquisition and control system performs parameter setting, data control and data acquisition of temperature and pressure measurement points inside the model main body, and the output system finishes well opening and closing and constant pressure production. A simulation main body comprises a model tube, a temperature sensor, a pressure sensor and differential pressure transducers, the temperature sensor and the pressure sensor respectively measure temperature and pressure data, and the differential pressure transducers are located at two ends of the model pipe to measure pressure difference of two ends of the model pipe.

Description

The linear physical simulation system of heavy crude reservoir thermal recovery
Technical field
The utility model relates to petroleum thermal recovery steam injection technology laboratory testing rig, particularly relates to the linear physical simulation system of a kind of heavy crude reservoir thermal recovery.
Background technology
The linear physical simulating device of the heavy crude heat extraction that uses at present adopts the single tube structure more; Pressure is low, point for measuring temperature is few; The influence of single reservoir geology parameter permeability, oil saturation, degree of porosity, viscosity of crude, reservoir heterogeneity can only be simulated, the feasibility of multifactor steam flooding can't be estimated the steam flooding effect.Can only simulate of the influence of single injection-production technology mode to the thermal recovery effect, little to on-the-spot reservoir management directive function, can't experimental basis be provided for the embodiment of thermal production well.Can't further investigate change after the water drive change that steam flooding, chemical vapors drive behind steam flooding, the steam soak, the mechanism of oil displacement of development schemes such as strong water-sensitive thick oil steam drive and the auxiliary SAGD of chemistry, directly influenced the application prospect of on-the-spot new production practice.We have invented the linear physical simulation system of a kind of new heavy crude reservoir thermal recovery for this reason, have solved above technical problem.
Summary of the invention
The purpose of the utility model provides a kind of single permeability of simulation that has; Complicated permeability; Multi-parameter functions such as different crude oil viscosities, the linear physical simulation system of heavy crude reservoir thermal recovery that can carry out the different displacement mode steam floodings of viscous crude, gas drive, water drive, chemical flooding, combination flooding simulation.
The purpose of the utility model can realize through following technical measures:
The linear physical simulation system of heavy crude reservoir thermal recovery; The linear physical simulation system of this heavy crude reservoir thermal recovery comprises injected system, model main body, data acquisition and control system and output system; This injected system is steam in jection, medicament and gas in this model main body; This data acquisition and control system carry out the data acquisition of parameter setting, Data Control and this each thermometric pressure tap of model body interior to this injected system and this output system; This output system accomplishes and drives a well, closing well and level pressure production, and this simulation main body is connected with this output system with this injected system, this data acquisition and control system, comprises model pipe, temperature pick up, pressure sensor and differential pressure pick-up; This temperature pick up is positioned on this model pipe with this pressure sensor; To measure the temperature and pressure data respectively, this differential pressure pick-up is positioned at this model pipe two ends, to measure the pressure reduction at these model pipe two ends.
The purpose of the utility model also can realize through following technical measures:
This injected system comprises that steam injects the unit, medicament injects the unit and gas injects the unit.
This steam injects unit and comprises constant speed pump and steam generator, and steam is to adopt this constant speed pump feedwater, and through this steam generator, the mass dryness fraction of the power adjusting steam through this steam generator is set is to inject this model main body.
This medicament injects the unit and comprises constant speed pump and intermediate receptacle, and medicament is to adopt this constant speed pump displacement, displacing fluid is squeezed into from this intermediate receptacle lower end, thereby the medicament of this intermediate receptacle upper end is ejected, and gets into this model main body.
This gas injects the unit and comprises gas cylinder, filter, booster pump, gasholder, reducing valve, flow measuring and controlling device and surge tank; Gas adopts this gas cylinder that source of the gas is provided; Filter this booster pump supercharging, this gasholder and this reducing valve decompression through this filter; This flow measuring and controlling device is measured and control, gets into this model main body through this surge tank again.
This data acquisition and control system comprise parameter set unit, DCU data control unit and data acquisition unit; This parameter set unit is accomplished the setting of steam injection rate, medicament injection rate, gas injection rate and pressure parameter; This DCU data control unit is accomplished this steam according to this parameter set unit and is injected the open and close that unit, this medicament injection unit and this gas inject each parts of unit; This data acquisition unit collecting temperature, pressure, differential pressure, gas flow, injection flow parameter, and be transferred to host computer and carry out data.
This output system comprises pressure fan, producing well back pressure control module and output liquid collector unit; This pressure fan provides aerodynamic force for this producing well back pressure control module; This pressure data that this pressure parameter that this host computer relatively is provided with and this pressure sensor record; So that this producing well back pressure control module adjustment pressure regulator, the open and close of by-pass valve control, this output liquid collector unit is collected output object.
This pressure fan provides power source for this gas injects the unit.
This model main body also comprises draws warm pipe, pressure guiding pipe and support; This support is used to lay this model pipe; Have this pressure guiding pipe on this model pipe and draw the temperature pipe with this; This pressure guiding pipe draws the temperature pipe with this and links to each other with this model main body inner wall respectively, and this pressure guiding pipe draws on the temperature pipe with this installs this pressure sensor and this temperature pick up respectively.
This model main body is a stainless steel, and the roughness of its inwall and reservoir core granularity are complementary.
This model pipe is the single tube model, evenly arrange on this single tube model 5 temperature pick ups and 5 pressure sensors.
This model pipe is the multitube model, and this multitube model adopts many single tube parallel connections.
This multitube model adopts 3 single tube parallel connections; 15 temperature pick ups and 15 pressure sensors are installed on 3 parallel transistors; 3 groups of differential pressure pick-up measurement minute-pressures are poor; At shared temperature and pressure transmitter of injection end and pressure sensor, the port of export is provided with temperature pick up and pressure sensor respectively, and 19 temperature pick ups and 19 pressure sensors are set on this multitube model altogether.
The linear physical simulation system of heavy crude reservoir thermal recovery in the utility model; Adopt single tube, complicated multitube combine analog mode, have the single permeability of simulation, complicated permeability; Multi-parameter functions such as different crude oil viscosities; Carry out the different displacement mode steam floodings of viscous crude, gas drive, water drive, chemical flooding, combination flooding displacement efficiency, hot composite chemical system seepage flow mechanism, heavy crude heat extraction is annotated researchs such as adopting parameter optimization.The utility model has following advantage compared with prior art:
1, can Simulation of Complex reservoir geology parameter permeability, oil saturation, degree of porosity, viscosity of crude, reservoir heterogeneity to the influence of steam flooding effect, estimate the feasibility of multifactor steam flooding.
2, can simulate multiple development schemes such as steam flooding, steam bubble drive, chemical vapors drives, compound steam gas drive and improve the recovery ratios experiment, estimate displacement efficiency and injection parameter optimization.
3, HTHP vapour drives variation, the research of heat chemistry system seepage flow mechanism of oil-water relative permeability in the process.
4, the parameter measuring point distribute wide, layout theory property is strong, does not influence the oil reservoir interior flow field and distributes, can real simulation steam flooding process in the thermal field of experiment oil reservoir.
Description of drawings
Fig. 1 is the structure chart of a specific embodiment of the linear physical simulation system of the heavy crude reservoir thermal recovery of the utility model;
Fig. 2 is the workflow sketch map of a specific embodiment of the linear physical simulation system of the heavy crude reservoir thermal recovery of the utility model;
Fig. 3 is the structure chart of a specific embodiment of model main body in the linear physical simulation system of the heavy crude reservoir thermal recovery of the utility model;
Fig. 4 is the structure chart of another specific embodiment of model main body in the linear physical simulation system of the heavy crude reservoir thermal recovery of the utility model.
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 linear physical simulation system of heavy crude reservoir thermal recovery of the utility model.The linear physical simulation system of this heavy crude reservoir thermal recovery comprises injected system 2, model main body 1, output system 4, data acquisition and control system 3 four parts.
Injected system 2 is connected in this model main body 1; Steam in jection, medicament and gas in model main body 1; Guarantee the smooth realization of different injection modes, different injection parameters, injected system 2 is injected unit 21, medicament injection unit 22 and gas injection unit 23 3 parts by steam and is formed.Steam injects the mass dryness fraction that unit 21 adopts constant speed pump and steam generator steam regulation, injection model main body 1.Medicament injects unit 22 mainly to be made up of constant speed pump, intermediate receptacle, valve, pipeline etc., adopts the displacement of constant speed pump, displacing fluid is squeezed into from middle container lower end, thereby the medium of intermediate receptacle upper end is ejected, and gets into model main body 1.Gas injects unit 23 and adopts gas cylinder that source of the gas is provided, and measures and the control flow through the flow measuring and controlling device, gets into model main body 1.
Data acquisition and control system 3 are used to realize the data acquisition of parameter setting, Data Control and model main body 1 inner each thermometric pressure tap to injected system 2, output system 4.Comprise parameter set unit 31, DCU data control unit 32 and data acquisition unit 33.Parameter set unit 31 is used to accomplish the setting of steam injection rate, medicament injection rate, gas injection rate, pressure and other parameters.DCU data control unit 32 is used for injecting the open and close that unit 21, this medicament injection unit 22 and this gas inject unit 23 each parts according to parameter set unit 31 these steam, for example, accomplishes the open and close of constant speed pump, gas flow controller, by-pass valve control.Parameters such as data acquisition unit 33 main collecting temperatures, pressure, gas flow, injection flow, and be transferred to host computer and carry out data.
Output system 4 is used for reservoir management functions such as completion drives a well, closing well, level pressure production.Comprise pressure fan 35, producing well back pressure control module 29 and output liquid collector unit 30; Pressure fan 35 provides aerodynamic force for producing well back pressure control module 29, and producing well back pressure control module 29 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 30 is realized output object.
Simulation main body 1 is connected with output system 4 with injected system 2, data acquisition and control system 3; Comprise model pipe, temperature pick up, pressure sensor, differential pressure pick-up, draw warm pipe, pressure guiding pipe, support; Support is used to lay model pipe; Pressure guiding pipe is all arranged respectively on the model pipe, draws Wen Guanyu model main body 1 inwall and link to each other, pressure guiding pipe with draw the temperature pipe and be used for mounting temperature sensor, pressure sensor.Model pipe is equipped with pressure sensor 5-15 and props up, and temperature pick up 5-15 props up.Model main body 1 adopts stainless steel, and inwall is taked the polishing measure, and its roughness and reservoir core granularity are complementary, and prevents fluid in the channelling of basket inwall, mainly divides two kinds of single tube and multitubes according to mode of occupation.Model pipe can be single tube model or multitube model.In one embodiment, the single tube model length is 100~1000mm, diameter 25mm~38mm, single tube evenly arrange 5 temperature pick ups and 5 pressure sensors.Multitube can adopt 1-3 root single tube parallel connection, and 15 temperature pick ups and 15 pressure sensors are installed on 3 parallel transistors, and it is poor that 3 groups of differential pressure pick-ups are measured minute-pressures, just the pressure reduction at each root two ends on 3 parallel transistors.
As shown in Figure 2, Fig. 2 is the workflow sketch map of a specific embodiment of the linear physical simulation system of the heavy crude reservoir thermal recovery of the utility model.Steam injects the unit and comprises the first constant speed pump 5, first steam generator 7, the second constant speed pump 6 and second steam generator 8; Steam is to adopt the first constant speed pump 5 and 6 feedwater of the second constant speed pump; Through first steam generator 7 and second steam generator 8; The mass dryness fraction of the power adjusting steam through steam generator is set, injection model main body 1.Medicament is to adopt 39 displacements of the 3rd constant speed pump, displacing fluid is squeezed into from first intermediate receptacle 9, second intermediate receptacle 10 and the 3rd intermediate receptacle 11 lower ends, thereby the medicament of container upper end is ejected, and gets into model main body 1.Gas adopts first gas cylinder 12 and second gas cylinder 13 that source of the gas is provided; Filter through first filter 14 and second filter 15; First booster pump 16 and 17 superchargings of second booster pump; First booster pump 16 and 17 superchargings of second booster pump provide power source by pressure fan 35, first gasholder 18 and second gasholder, 19, the first reducing valve 20 and 24 decompressions of second reducing valve; The first flow controller 25 and the second flow measuring and controlling device 26 are measured and control, and first surge tank 27 and second surge tank 28 get into model main body 1.The test output object is realized regulating through pressure fan 35, back pressure control module 29 and output liquid collector unit 30 by the simulation well output.In the present embodiment, the model main body comprises three model pipe, is respectively first model pipe 36, second model pipe 37 and the 3rd model pipe 38.Pressure fan 35 provides aerodynamic force for producing well back pressure control module 29; Producing well back pressure control module 29 is according to the pressure parameter of setting; The withdrawal well force value that pressure sensor records; Host computer compares these two force value computings, producing well back pressure control module 29 adjustment pressure regulators, the open and close of by-pass valve control.The collection that output liquid collector unit 30 is realized output object.
Fig. 3 is the structure chart of a specific embodiment of model main body in the linear physical simulation system of the heavy crude reservoir thermal recovery of the utility model; Adopted the model pipe of single tube among Fig. 3; As can beappreciated from fig. 3; Evenly arrange on the model pipe 5 temperature pick ups (being positioned on the point for measuring temperature) and 5 pressure sensors (being positioned on the pressure tap) are used for temperature, the pressure of measurement model pipe diverse location.
Fig. 4 is the structure chart of another specific embodiment of model main body in the linear physical simulation system of the heavy crude reservoir thermal recovery of the utility model; Three model pipe have been adopted among Fig. 4; The shared temperature of injection end, pressure sensor; The port of export is provided with temperature, pressure sensor respectively, and three parallel transistors need 19 temperature pick ups, 19 pressure sensors altogether.Simultaneously, there is differential pressure pick-up to be used to measure pressure reduction at the two ends of every model pipe.Differential pressure pick-up is arranged in the import and export position of every model pipe, and all temperature, pressure, differential pressure signal are transferred to computer through data collecting system and handle.

Claims (10)

1. the linear physical simulation system of heavy crude reservoir thermal recovery; It is characterized in that; The linear physical simulation system of this heavy crude reservoir thermal recovery comprises injected system, model main body, data acquisition and control system and output system; This injected system is steam in jection, medicament and gas in this model main body, and this data acquisition and control system carry out the data acquisition of parameter setting, Data Control and this each thermometric pressure tap of model body interior to this injected system and this output system, and this output system accomplishes and drives a well, closing well and level pressure production; This simulation main body is connected with this output system with this injected system, this data acquisition and control system; Comprise model pipe, temperature pick up, pressure sensor and differential pressure pick-up, this temperature pick up is positioned on this model pipe with this pressure sensor, to measure the temperature and pressure data respectively; This differential pressure pick-up is positioned at this model pipe two ends, to measure the pressure reduction at these model pipe two ends.
2. the linear physical simulation system of heavy crude reservoir thermal recovery according to claim 1 is characterized in that, this injected system comprises that steam injects the unit, medicament injects the unit and gas injects the unit.
3. the linear physical simulation system of heavy crude reservoir thermal recovery according to claim 2; It is characterized in that; This steam injects the unit and comprises constant speed pump and steam generator, and steam is to adopt this constant speed pump feedwater, through this steam generator; The mass dryness fraction of the power adjusting steam through this steam generator is set is to inject this model main body.
4. the linear physical simulation system of heavy crude reservoir thermal recovery according to claim 2; It is characterized in that; This medicament injects the unit and comprises constant speed pump and intermediate receptacle, and medicament is to adopt this constant speed pump displacement, and displacing fluid is squeezed into from this intermediate receptacle lower end; Thereby the medicament of this intermediate receptacle upper end is ejected, get into this model main body.
5. the linear physical simulation system of heavy crude reservoir thermal recovery according to claim 2 is characterized in that this gas injects the unit and comprises gas cylinder, filter, booster pump, gasholder, reducing valve, flow measuring and controlling device and surge tank; Gas adopts this gas cylinder that source of the gas is provided; Filter this booster pump supercharging, this gasholder and this reducing valve decompression through this filter; This flow measuring and controlling device is measured and control, gets into this model main body through this surge tank again.
6. the linear physical simulation system of heavy crude reservoir thermal recovery according to claim 2; It is characterized in that; This data acquisition and control system comprise parameter set unit, DCU data control unit and data acquisition unit, and this parameter set unit is accomplished steam injection rate, medicament injection rate, gas injection rate and pressure
The setting of force parameter; This DCU data control unit is accomplished this steam according to this parameter set unit and is injected the open and close that unit, this medicament injection unit and this gas inject each parts of unit; This data acquisition unit collecting temperature, pressure, differential pressure, gas flow, injection flow parameter, and be transferred to host computer and carry out data.
7. the linear physical simulation system of heavy crude reservoir thermal recovery according to claim 6; It is characterized in that; This output system comprises pressure fan, producing well back pressure control module and output liquid collector unit; This pressure fan provides aerodynamic force for this producing well back pressure control module, and this pressure data that this pressure parameter that this host computer relatively is provided with and this pressure sensor record is so that this producing well back pressure control module adjustment pressure regulator; The open and close of by-pass valve control, this output liquid collector unit is collected output object.
8. the linear physical simulation system of heavy crude reservoir thermal recovery according to claim 7 is characterized in that, this pressure fan provides power source for this gas injects the unit.
9. the linear physical simulation system of heavy crude reservoir thermal recovery according to claim 1; It is characterized in that; This model main body also comprises draws warm pipe, pressure guiding pipe and support, and this support is used to lay this model pipe, has this pressure guiding pipe on this model pipe and draws the temperature pipe with this; This pressure guiding pipe draws the temperature pipe with this and links to each other with this model main body inner wall respectively, and this pressure guiding pipe draws on the temperature pipe with this installs this pressure sensor and this temperature pick up respectively.
10. the linear physical simulation system of heavy crude reservoir thermal recovery according to claim 1 is characterized in that this model main body is a stainless steel, and the roughness of its inwall and reservoir core granularity are complementary.
CN 201220167599 2012-04-19 2012-04-19 Thickened oil reservoir thermal extraction linear physical simulation system Expired - Fee Related CN202611688U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103375155A (en) * 2012-04-19 2013-10-30 中国石油化工股份有限公司 Linear physical simulation system for thermal recovery of heavy oil reservoirs
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
CN105225595A (en) * 2015-10-13 2016-01-06 内蒙古科技大学 Oil reservoir simulation process method
CN107356498A (en) * 2017-05-18 2017-11-17 江苏中能科研仪器发展有限公司 A kind of heavy oil wells viscosity reducing test device
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
CN110424935A (en) * 2019-06-20 2019-11-08 中国石油化工股份有限公司 Construction method for heavy crude heat extraction development process low-consumption high-efficiency optimized mathematical model
CN110469301A (en) * 2019-09-09 2019-11-19 中国海洋石油集团有限公司 One kind adopting simulator for heavy crude heat extraction three-dimensional note under large-scale model

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103375155A (en) * 2012-04-19 2013-10-30 中国石油化工股份有限公司 Linear physical simulation system for thermal recovery of heavy oil reservoirs
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
CN105225595A (en) * 2015-10-13 2016-01-06 内蒙古科技大学 Oil reservoir simulation process method
CN105225595B (en) * 2015-10-13 2018-02-06 内蒙古科技大学 Oil reservoir simulation process method
CN107356498A (en) * 2017-05-18 2017-11-17 江苏中能科研仪器发展有限公司 A kind of heavy oil wells viscosity reducing test device
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
CN110424935A (en) * 2019-06-20 2019-11-08 中国石油化工股份有限公司 Construction method for heavy crude heat extraction development process low-consumption high-efficiency optimized mathematical model
CN110469301A (en) * 2019-09-09 2019-11-19 中国海洋石油集团有限公司 One kind adopting simulator for heavy crude heat extraction three-dimensional note under large-scale model

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