CN209128374U - For CO2Extract separator in crude oil extraction experiments - Google Patents
For CO2Extract separator in crude oil extraction experiments Download PDFInfo
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- CN209128374U CN209128374U CN201821540089.0U CN201821540089U CN209128374U CN 209128374 U CN209128374 U CN 209128374U CN 201821540089 U CN201821540089 U CN 201821540089U CN 209128374 U CN209128374 U CN 209128374U
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- autoclave body
- crude oil
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- oil extraction
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Abstract
The utility model relates to one kind to be used for CO2Extract separator in crude oil extraction experiments belongs to conventional gas and oil experimental technique field, including the wiper mechanism being made of injection pump, piston type intermediate receptacle, nitrogen cylinder and attachment；The main body mechanism being made of autoclave body, cooling box, pressure-resistant form, temperature and pressure sensor, runing rest；The vacuum device that vacuum pump and attachment are constituted；The metrological service being made of balance, aerometer meter, beaker；Wiper mechanism is connected to main body mechanism upper entrance, and metrological service is connected to main body mechanism lower part, and vacuum device is connected to main body mechanism upper outlet.It can be to CO by the utility model2And its extract is effectively separated, and so as to carry out compound mensuration respectively to the gas-liquid two-phase after separation respectively, and then is improved experimental data integrality, accuracy and is avoided aerometer meter equipment damage.
Description
Technical field
The utility model relates to a kind of CO2Crude oil extract separator, specifically CO in petroleum industry room2Extract crude oil
In middle light components experiment, conventional oil can be belonged to the experimental provision that the two-phase is measured respectively by carrying out gas-liquid separation to extract
Gas experimental technique field.
Background technique
The low-permeability oil deposit proportion of discovered in recent years is increasing, accounts for about 50% in China, low-permeability oil deposit is because of reservoir
Permeability is low, and natural energy is inadequate, and elastic energy failure is fast, and waterflooding extraction is limited because of geology reservoir by severely restricts
Therefore exploitation difficulty is big.In developed oil gas field, though many oil fields have entered mid-later development phase, but still there is considerable part former
Oil remains in underground mining and does not come out.A large amount of lab and fields are it was verified that be in the titanium dioxide of Supercritical Conditions
Carbon enters after stratum sufficiently dissolves with in-place oil and to contact as displacement solvent, can effectively make crude oil expansion, viscosity reduction, especially
CO2Miscible bank progress piston type drive is formed in crude oil with itself physical property similar compositions with that can extract after in-place oil multiple-contact
It replaces, this has in turn for reducing oil water interfacial tension, improving water-oil phase mobility ratio, raising stratum energy, improvement seepage environment
Effect has positive effect in terms of improving oil recovery factor and environmental protection.Indoors in extraction experiments, at present using conical flask into
Row oil, gas two-phase laminated flow, because of CO2Extract be in Supercritical Conditions CO2Unclear, the partial extraction object of the similar separation of physical property
Into aerometer meter, easily cause aerometer meter equipment damage, gas dosing numerical error larger and can not to extract into
Row collects the problems such as surveying its component.It can not survey and obtain under different experimental conditions or under formation conditions with the continuous increasing of evaporation number
Add, the variation tendency of extract composition.This is to research CO2In the supercritical state to the Extraction behavior of crude oil and in-place oil
Compatibility, mechanism of oil displacement, residual oil distribution and for accurately formulate next step development plan cause adverse effect.
Utility model content
The purpose of the utility model is to provide one kind to be used for CO2Extract separator in crude oil extraction experiments, CO2Gas
Lighter hydrocarbons molecular weight and similar density in body and crude oil, and CO2The critical-temperature of gas is 31 DEG C, critical pressure 7.15MPa, phase
Supercriticality, CO in a supercritical state are more likely formed than other gases2Because of the change in physical model such as its density, viscosity
It encloses very greatly, light with crude oil, middle matter component physical property is similar to make it easily be extracted out, and extract passes through the hands such as cooling, decompression
Section makes CO2Gaseous state is returned to by supercriticality, is efficiently separated with liquid phase lighter hydrocarbons in its extracted crude oil, is solved presently used
When conical flask carries out oil, gas two-phase laminated flow, carbon dioxide in a supercritical state and its extract can not be efficiently separated, and
The problem that extract after separation is collected and its component is measured.It can be to CO by the utility model2And its extract
It is effectively separated, so as to carry out compound mensuration respectively to the gas-liquid two-phase after separation respectively, and then improves experimental data
Integrality, accuracy and avoid aerometer meter equipment damage.
The purpose of this utility model is achieved through the following technical solutions, and is used for CO2Extraction in crude oil extraction experiments
Take object separator, characterized in that the separator includes wiper mechanism, main body mechanism, metrological service, vacuum device；
Wiper mechanism is connected to main body mechanism upper entrance, and metrological service is connected to main body mechanism lower part, and vacuum device is connected to master
Body mechanism upper outlet；
The wiper mechanism includes injection pump, piston type intermediate receptacle, nitrogen cylinder, injection pump and piston type intermediate receptacle phase
Connection；
The main body mechanism includes autoclave body, cooling box, pressure-resistant form, temperature sensor and pressure sensor, rotation branch
Frame, autoclave body are arranged on runing rest and are located in cooling box, and autoclave body is separately connected among piston type by sample introduction pipeline to be held
Device, nitrogen cylinder, piston type intermediate receptacle, nitrogen cylinder are arranged in parallel；Temperature sensor, pressure sensor position are equipped in cooling box
In on the discharge tube of autoclave body bottom, the discharge tube of autoclave body bottom is equipped with vent valves；Autoclave body is equipped with pressure-resistant form；It is living
Sample introduction pipeline between plug intermediate receptacle and autoclave body is equipped with intermediate receptacle valve, the sample introduction pipeline between nitrogen cylinder and autoclave body
It is equipped with pressure loading valve；Sample introduction pipeline is equipped with sample introduction valve；
The vacuum device includes vacuum pump, and vacuum pump is connected by exhaust line with autoclave body；Vacuum pump and autoclave body
Between exhaust line be equipped with vavuum pump valve；
The metrological service includes balance, aerometer meter, beaker；Aerometer meter is connected by exhaust line with autoclave body
It connects, aerometer meter is arranged in parallel with vacuum pump, and the exhaust line between aerometer meter and autoclave body is equipped with aerometer meter
Valve；Beaker setting is in autoclave body bottom and is located above balance.
Preferably, the injection pump design pressure 20MPa, injection pump flow accuracy are not less than 1%.
Preferably, the piston type intermediate receptacle design pressure 20MPa, piston type intermediate receptacle volume are not less than
1000ml。
Preferably, the autoclave body is stainless steel material, and autoclave body is octahedral structure, autoclave body lower part outlet end installation pressure resistance view
Window is connect among autoclave body with runing rest at gravity fulcrum.
Preferably, the autoclave body design pressure 10MPa, autoclave body volume are 500ml.
Preferably, the vacuum pump vacuum degree is not less than 133pa.
Preferably, the balance range is no less than 500g, sensibility reciprocal 0.1mg.
Preferably, the aerometer meter precision is not less than 0.1cm3。
Compared with prior art, the utility model has following technical effect that for CO2Extraction in crude oil extraction experiments
Object separator is taken, including the wiper mechanism being made of injection pump, piston type intermediate receptacle, nitrogen cylinder and attachment；By autoclave body, cold
But the main body mechanism that cabinet, pressure-resistant form, temperature and pressure sensor, runing rest are constituted；The pumping that vacuum pump and attachment are constituted
Vacuum mechanism；The metrological service being made of balance, aerometer meter, beaker；Wiper mechanism is connected to main body mechanism upper entrance,
Metrological service is connected to main body mechanism lower part, and vacuum device is connected to main body mechanism upper outlet, can be to above three mechanism
Required container and connecting pipeline vacuumize.CO2 and its extract can be effectively separated by the utility model, so as to
Respectively compound mensuration is carried out to the gas-liquid two-phase after separation respectively, and then improves experimental data integrality, accuracy and avoid
Aerometer meter equipment damage.
Detailed description of the invention
Fig. 1 is the utility model for CO2The structural schematic diagram of extract separator in crude oil extraction experiments；
In figure: 1 sample introduction valve, 2 intermediate receptacle valves, 3 pressure loading valves, 4 piston type intermediate receptacles, 5 nitrogen cylinders, 6 injections
Pump, 7 cooling boxes, 8 sample introduction pipelines, 9 exhaust lines, 10 vacuum pumps, 11 vavuum pump valves, 12 aerometer meter valves, 13 gas
Body quantifier, 14 temperature sensors, 15 autoclave bodies, 16 runing rests, 17 pressure sensors, 18 pressure-resistant forms, 19 draining valves, 20
Beaker, 21 balances.
Specific embodiment
The utility model is further illustrated in conjunction with attached drawing and real examination example.
As shown in Figure 1, being used for CO2Extract separator in crude oil extraction experiments, including intermediate receptacle valve 2, subtract
The wiper mechanism that pressure valve 3, piston type intermediate receptacle 4, nitrogen cylinder 5 are constituted；
Sample introduction valve 1, cooling box 7, sample introduction pipeline 8, temperature sensor 14, autoclave body 15, runing rest 16, pressure sensing
The main body mechanism that device 17, pressure-resistant form 18, draining valve 19 are constituted；
The vacuum device that vacuum pump 10, vavuum pump valve 11 are constituted；
Exhaust line 9, aerometer meter valve 12, aerometer meter 13, gas-liquid separator 16, balance 17, beaker 20, day
Flat 21 metrological services constituted.
The utility model the key technical indexes:
(1) use condition :≤25 DEG C ,≤5.0Mpa.
(2) Pressure Sensor Precision reaches 0.1%FS；Experimental temperature error ± 0.5 DEG C.
Wiper mechanism is made of injection pump, piston type intermediate receptacle, nitrogen cylinder and connecting pipeline, valve；
Injection pump: design pressure 20MPa, flow accuracy are not less than 1%；
Piston type intermediate receptacle: design pressure 20MPa, volume are not less than 1000ml.
Main body mechanism autoclave body is stainless steel material, is octahedral structure, and lower part outlet end installation form is placed in cooler bin
In vivo, it is connect at gravity fulcrum with runing rest among autoclave body.
Autoclave body design pressure 10MPa, volume 500ml.
Vacuum device is made of vacuum pump and attached connecting pipeline and valve；
Vacuum pump vacuum degree is not less than 133pa.
Metrological service is made of balance, aerometer meter, beaker and attachment；
Balance: range is no less than 500g, sensibility reciprocal 0.1mg；
Aerometer meter: precision is not less than 0.1cm3。
Piston type intermediate receptacle in the utility model, nitrogen cylinder, injection pump, cooling box, vacuum pump, gas dosing
Meter, temperature sensor, pressure sensor, pressure-resistant form, balance, beaker and connecting pipeline, valve are existing product.
Equipment prepares before testing: closing all valves in device, successively opens intermediate receptacle valve 2, draining valve, note
Enter 6 power supplys of pump, the petroleum ether on 4 top of piston type intermediate receptacle will be previously implanted into, dehydrated alcohol mixture injects in autoclave body 15 simultaneously
It is that fulcrum overturning is cleaned repeatedly with runing rest 16, successively closes 6 power supply of injection pump, intermediate receptacle valve 2, open pressure loading valve
3, with autoclave body 15 and connecting pipeline is dried with nitrogen in nitrogen cylinder 5, pressure loading valve 3 is closed, opens 10 power supply of vacuum pump, vacuum pump valve
11 pairs of autoclave bodies 15 of door and connecting pipeline vacuumize 30min, successively close vavuum pump valve 11,10 power supply of vacuum pump, adjustment cooling
7 temperature of cabinet, makes it below 25 DEG C.Laboratory operating procedures: slowly opening sample introduction valve 1, because pressure difference acts on CO2 and its extraction
It takes logistics to enter autoclave body 15, observes 14 numerical value of pressure sensor, sample introduction valve 1 is closed when close to 2MPa, after standing a period of time,
Observation temperature sensor 14,17 numerical value of pressure sensor slowly open gas below CO2 critical-temperature, pressure and after numerical stability
Body quantifier valve 12, measures the gas for flowing through gas dosing meter 13, until gas dosing count value is not after increase
Record gas volume simultaneously extracts gas sample, repeats above-mentioned laboratory operating procedures until observing the separation liquid phase volume in pressure-resistant form 18
After meeting experimental analysis requirement, draining valve 19 is opened, liquid phase after separation is flowed into beaker 20, and it is claimed with balance 21
Weight, its group of sampling analysis is grouped as, and forms data sheet.
Claims (8)
1. being used for CO2Extract separator in crude oil extraction experiments, characterized in that the separator includes cleaning machine
Structure, main body mechanism, metrological service, vacuum device；Wiper mechanism is connected to main body mechanism upper entrance, and metrological service is connected to
Main body mechanism lower part, vacuum device are connected to main body mechanism upper outlet；
The wiper mechanism includes injection pump (6), piston type intermediate receptacle (4), nitrogen cylinder (5), in injection pump (6) and piston type
Between container (4) be connected；
The main body mechanism includes that autoclave body (15), cooling box (7), pressure-resistant form (18), temperature sensor (14) and pressure pass
Sensor (17), runing rest (16), autoclave body (15) are arranged on runing rest (16) and are located in cooling box (7), autoclave body
(15) piston type intermediate receptacle (4), nitrogen cylinder (5), piston type intermediate receptacle (4), nitrogen are separately connected by sample introduction pipeline (8)
Bottle (5) is arranged in parallel；Temperature sensor (14) are equipped in cooling box (7), pressure sensor (17) is located at autoclave body (15) bottom
Discharge tube on, the discharge tube of autoclave body (15) bottom is equipped with vent valves (19)；Autoclave body (15) is equipped with pressure-resistant form
(18)；Sample introduction pipeline (8) between piston type intermediate receptacle (4) and autoclave body (15) is equipped with intermediate receptacle valve (2), nitrogen cylinder
(5) the sample introduction pipeline (8) between autoclave body (15) is equipped with pressure loading valve (3)；Sample introduction pipeline (8) is equipped with sample introduction valve (1)；
The vacuum device includes vacuum pump (10), and vacuum pump (10) is connected by exhaust line (9) with autoclave body (15)；Very
Exhaust line (9) between sky pump (10) and autoclave body (15) is equipped with vavuum pump valve (11)；
The metrological service includes balance (21), aerometer meter (13), beaker (20)；Aerometer meter (13) passes through exhaust pipe
Line (9) is connected with autoclave body (15), and aerometer meter (13) is arranged in parallel with vacuum pump (10), aerometer meter (13) and autoclave body
(15) exhaust line (9) between is equipped with aerometer meter valve (12)；Beaker (20) setting is in autoclave body (15) bottom and position
Above balance (21).
2. according to claim 1 be used for CO2Extract separator in crude oil extraction experiments, characterized in that described
Injection pump (6) design pressure 20MPa, injection pump (6) flow accuracy are not less than 1%.
3. according to claim 1 be used for CO2Extract separator in crude oil extraction experiments, characterized in that described
Piston type intermediate receptacle (4) design pressure 20MPa, piston type intermediate receptacle (4) volume are not less than 1000ml.
4. according to claim 1 be used for CO2Extract separator in crude oil extraction experiments, characterized in that described
Autoclave body (15) is stainless steel material, and autoclave body (15) is octahedral structure, and pressure-resistant form (18) is installed at autoclave body (15) lower part outlet end,
It is connect at the intermediate gravity fulcrum of autoclave body (15) with runing rest (16).
5. according to claim 4 be used for CO2Extract separator in crude oil extraction experiments, characterized in that described
Autoclave body (15) design pressure 10MPa, autoclave body (15) volume are 500ml.
6. according to claim 1 be used for CO2Extract separator in crude oil extraction experiments, characterized in that described
Vacuum pump (10) vacuum degree is not less than 133pa.
7. according to claim 1 be used for CO2Extract separator in crude oil extraction experiments, characterized in that described
Balance (21) range is no less than 500g, sensibility reciprocal 0.1mg.
8. according to claim 1 be used for CO2Extract separator in crude oil extraction experiments, characterized in that described
Aerometer meter (13) precision is not less than 0.1cm3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821540089.0U CN209128374U (en) | 2018-09-20 | 2018-09-20 | For CO2Extract separator in crude oil extraction experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821540089.0U CN209128374U (en) | 2018-09-20 | 2018-09-20 | For CO2Extract separator in crude oil extraction experiments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209128374U true CN209128374U (en) | 2019-07-19 |
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ID=67230277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821540089.0U Expired - Fee Related CN209128374U (en) | 2018-09-20 | 2018-09-20 | For CO2Extract separator in crude oil extraction experiments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209128374U (en) |
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2018
- 2018-09-20 CN CN201821540089.0U patent/CN209128374U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190719 Termination date: 20200920 |