CN206681717U - A kind of experimental provision of simulation water and polymer to remaining oil distribution influence in sandstone - Google Patents
A kind of experimental provision of simulation water and polymer to remaining oil distribution influence in sandstone Download PDFInfo
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- CN206681717U CN206681717U CN201720496242.3U CN201720496242U CN206681717U CN 206681717 U CN206681717 U CN 206681717U CN 201720496242 U CN201720496242 U CN 201720496242U CN 206681717 U CN206681717 U CN 206681717U
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- sandstone
- polymer
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- casing
- water
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Abstract
The utility model is related to Geological Engineering field a kind of simulation water and polymer to the experimental provision of remaining oil distribution influence in sandstone, it is mainly made up of opening handle, piston, piston ring, casing, gas access, pressure sensor, pressure gauge, ball valve B, air compressor machine, computer monitoring system and profit polymer three phase separator on the left of crude oil storage tank, water storing tank, pump, fluid flowmeter, ball valve A, polymer oil-displacing agent, liquid inlet, circular support post, sandstone, oil-water-layer, liquid outlet, high-speed camera, casing.Casing top is provided with gas access, pressure sensor, piston and piston ring, and bottom is provided with two blocks of sandstone, liquid inlet, two circular support posts, liquid outlet and two casings left side opening handles.The utility model is easy to operate, can real simulation water and polymer displacement of reservoir oil to the influence process of remaining oil in sandstone.
Description
Technical field
A kind of simulation water and polymer that the utility model is related to Geological Engineering field are distributed shadow to remaining oil in sandstone
Loud experimental provision.
Background technology
Oil is the important sources of China's energy and Elementary Chemical Industry material, and critical role is taken in national economy.With
The development of China's economic integration, the competition that oil company faces is increasing, and with the continuous exploitation in oil field, after mining
The situation that recovery ratio is gradually reduced occurs in phase, i.e. yield declines.Become more and more multiple with the decline and geological conditions of yield
Miscellaneous, oil field will take certain measure to improve recovery ratio, first make point of remaining oil in payzone clear before taking measures
Cloth rule, this will efficiently, sustainably carry out payzone Tapping Residual Oil to old filed and improve recovery ratio to bring very big challenge.
During agent for improving oilfield recovery, the most frequently used at present is exactly to utilize polymer displacement of reservoir oil, and it can make the profit stream in payzone
Degree ratio substantially improves, and so as to delay the rate of water cut increase in Produced Liquid, actual oil displacement efficiency is imitated closer to the limit displacement of reservoir oil
Rate, even up to limit oil displacement efficiency.Therefore, for the influence of water and polymer to remaining oil distribution in payzone sandstone
It is necessary to be studied；If inventing a kind of simulation water and polymer, the experimental provision of distribution influence in sandstone enters to remaining oil
Row experimental study, it is significant that this will improve recovery ratio Practical Project to the old filed later stage.
The content of the invention
The purpose of the utility model is：Provide a kind of reality of simulation water and polymer to remaining oil distribution influence in sandstone
Experiment device.
Technical scheme is used by the utility model：
A kind of simulation water of the utility model and polymer to the experimental provision of remaining oil distribution influence in sandstone, mainly by
Crude oil storage tank, water storing tank, pump, fluid flowmeter, ball valve A, polymer oil-displacing agent, liquid inlet, circular support post, sandstone, oil
Water layer, liquid outlet, high-speed camera, casing left side opening handle, piston, piston ring, casing, gas access, pressure sensing
Device, pressure gauge, ball valve B, air compressor machine, computer monitoring system and profit polymer three phase separator composition.Crude oil storage tank and storage
Water pot to be arranged in parallel and be connected successively with pump, fluid flowmeter, ball valve A, polymer oil-displacing agent and liquid inlet, air compressor machine according to
It is secondary to be connected with ball valve B, pressure gauge and gas access；Casing top is provided with gas access, pressure sensor, piston and piston ring,
Bottom is provided with two blocks of sandstone, liquid inlet, two circular support posts, liquid outlet and two casings left side opening handles.Casing
It is made using the high pressure resistant PC materials of high intensity, pressure-bearing 10MPa；It is respectively equipped with the casing upper left corner and the upper strata sandstone upper left corner
One pressure sensor, for pressure changing during measurement experiment；The sandstone pores of sandstone and payzone under actual condition
Degree is identical with permeability；Circular support post is designed using symmetrical expression, for supporting top sandstone；Gas access is located in casing
Portion, its gas entered are used to increase pressure to upper piston area；Casing left part is provided with opening handle on the left of two casings, for reality
Test after finishing and change the other experiment of sandstone progress.Sandstone is used to simulate the sand layers under actual condition in payzone, and Fluid Dynamics are real
Water under the operating mode of border in payzone, crude oil simulate the crude oil in payzone under actual condition, and polymer oil-displacing agent is simulated under actual condition
The oil displacement agent that the oilfield exploitation later stage uses.
The advantages of the utility model：Simple to operate, the good simulation water of energy and polymer oil-displacing agent are to remaining oil in sandstone
Influence, experimentation to water, crude oil and polymer oil-displacing agent carry out again recycle economize on resources.
Brief description of the drawings
Fig. 1 is the experimental provision of a kind of simulation water of the utility model and polymer to remaining oil distribution influence in sandstone
Structural representation.
Fig. 2 is the structural representation on the left of Fig. 1 middle cases.
In figure：1. crude oil storage tank, 2. water storing tanks, 3. pumps, 4. fluid flowmeters, 5. ball valve A, 6. polymer oil-displacing agents, 7.
Liquid inlet, 8. circular support posts, 9. sandstone, 10. oil-water-layers, 11. liquid outlets, 12. high-speed cameras, 13. casings left side
Opening handle, 14. pistons, 15. piston rings, 16. casings, 17. gas accesses, 18. pressure sensors, 19. pressure gauges, 20. balls
Valve B, 21. air compressor machines, 22. computer monitoring systems, 23. profit polymer three phase separators.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings.
As shown in figure 1, the experiment of a kind of simulation water of the utility model and polymer to remaining oil distribution influence in sandstone
Device, mainly by crude oil storage tank 1, water storing tank 2, pump 3, fluid flowmeter 4, ball valve A5, polymer oil-displacing agent 6, liquid inlet 7,
Circular support post 8, sandstone 9, oil-water-layer 10, liquid outlet 11, high-speed camera 12, opening handle 13 on the left of casing, piston 14,
Piston ring 15, casing 16, gas access 17, pressure sensor 18, pressure gauge 19, ball valve B20, air compressor machine 21, computer monitoring
System 22 and profit polymer three phase separator 23 form.Crude oil storage tank 1 and water storing tank 2 for be arranged in parallel and successively with pump 3, liquid
Flowmeter body 4, ball valve A5, polymer oil-displacing agent 6 are connected with liquid inlet 7, air compressor machine 21 successively with ball valve B20, pressure gauge 19
It is connected with gas access 17；The top of casing 16 is provided with gas access 17, pressure sensor 18, piston 14 and piston ring 15, bottom
Provided with opening handle 13 on the left of two blocks of sandstone 9, the circular support post 8 of liquid inlet 7, two, liquid outlet 11 and two casings.
As shown in Figure 1 and Figure 2, physical simulation process is：Ball valve B20 and air compressor machine 21 are first turned on, gas is passed through successively
After air compressor machine 21 and ball valve B20, enter the top of casing 16 from gas access 17；With the continuous entrance of gas, the top of piston 14
Gas it is more next more, when the upper pressure of piston 14 is more than low pressure, piston 14 starts down to move, with the top of piston 14
Pressure is continuously increased, and piston 14 constantly down moves, when the display upper pressure of piston 14 and reality in computer monitoring system 22
Strata pressure mutually simultaneously closes off air compressor machine 21 and ball valve B20 under the operating mode of border.Then water storing tank 2, pump 3 and ball valve A5 are first opened, is made
Water successively after pump 3, fluid flowmeter 4, ball valve A5, enters casing after the outflow of water storing tank 2 from liquid inlet 7, treats water general
Oil-water-layer 10 between two blocks of sandstone 9 opens crude oil storage tank 1 after filling up water entirely, crude oil is entered oil-water-layer 10, treats liquid outlet
11 when having crude oil outflow, closes crude oil storage tank 1 at once, and observation increases over time current to remaining oil distribution in oil-water-layer 10
Influence.Polymer oil-displacing agent 6 is opened after a period of time, polymer oil-displacing agent is entered casing 16 with water, in oil-water-layer
The addition that polymer oil-displacing agent 6 can be observed in 10 comes out the remaining oil major part displacement that upper strata sandstone 9 adsorbs, so as to reach
Improve the effect of recovery ratio.But the complete displacement of remaining oil can not simultaneously be come out, the size of displacement Fuel Oil Remaining is with adding polymer
The size and water flow velocity of the amount of oil displacement agent 6 have relation.Water, crude oil, polymer oil-displacing agent 6 flow out laggard from liquid outlet 11 together
Enter profit polymer three phase separator 23 to be separated, the water isolated carries out re-circulation use into water storing tank 2, isolates
Crude oil carry out re-circulation use into crude oil storage tank 1, the polymer oil-displacing agent 6 isolated enters polymer oil-displacing agent storage tank
Carry out re-circulation use.Imaged in whole experiment process by high-speed camera 12, its experimental phenomena and experimental result
Recovery ratio will be improved for scene and important evidence is provided, i.e., whole simulation process terminates.
Claims (4)
1. a kind of simulation water and polymer be to the experimental provision of remaining oil distribution influence in sandstone, mainly by crude oil storage tank (1),
Water storing tank (2), pump (3), fluid flowmeter (4), ball valve A (5), polymer oil-displacing agent (6), liquid inlet (7), circular support post
(8), sandstone (9), oil-water-layer (10), liquid outlet (11), high-speed camera (12), casing left side opening handle (13), piston
(14), piston ring (15), casing (16), gas access (17), pressure sensor (18), pressure gauge (19), ball valve B (20), sky
Press (21), computer monitoring system (22) and profit polymer three phase separator (23) composition, it is characterised in that：Crude oil storage tank
(1) and water storing tank (2) for be arranged in parallel and successively with pump (3), fluid flowmeter (4), ball valve A (5), polymer oil-displacing agent (6)
It is connected with liquid inlet (7), air compressor machine (21) is connected with ball valve B (20), pressure gauge (19) and gas access (17) successively；Casing
(16) top is provided with gas access (17), pressure sensor (18), piston (14) and piston ring (15), bottom and is provided with two blocks of sandstone
(9), opening handle (13) on the left of liquid inlet (7), two circular support posts (8), liquid outlet (11) and two casings.
2. the experiment dress of a kind of simulation water according to claim 1 and polymer to remaining oil distribution influence in sandstone
Put, it is characterised in that：Casing (16) is made using the high pressure resistant PC materials of transparent high intensity, pressure-bearing 10MPa；In casing (16)
The upper left corner and upper strata sandstone (9) upper left corner are respectively equipped with a pressure sensor (18), become for pressure during measurement experiment
Change situation；Sandstone (9) is identical with the sandstone porosity and permeability of payzone under actual condition.
3. the experiment dress of a kind of simulation water according to claim 1 and polymer to remaining oil distribution influence in sandstone
Put, it is characterised in that：Circular support post (8) is designed using symmetrical expression, for supporting top sandstone (9)；Gas access (17) is set
In the middle part of casing (16), its gas entered is used to increase pressure to piston (14) top；Casing (16) left part is provided with two casees
Opening handle (13) on the left of body, change sandstone (9) after being finished for experiment and carry out other experiment.
4. the experiment dress of a kind of simulation water according to claim 1 and polymer to remaining oil distribution influence in sandstone
Put, it is characterised in that：Sandstone (9) is used to simulating sand layers under actual condition in payzone, under Fluid Dynamics actual condition in payzone
Water, the crude oil under crude oil simulation actual condition in payzone, the oilfield exploitation later stage under polymer oil-displacing agent (6) simulation actual condition
The oil displacement agent of use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720496242.3U CN206681717U (en) | 2017-05-07 | 2017-05-07 | A kind of experimental provision of simulation water and polymer to remaining oil distribution influence in sandstone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720496242.3U CN206681717U (en) | 2017-05-07 | 2017-05-07 | A kind of experimental provision of simulation water and polymer to remaining oil distribution influence in sandstone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206681717U true CN206681717U (en) | 2017-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720496242.3U Expired - Fee Related CN206681717U (en) | 2017-05-07 | 2017-05-07 | A kind of experimental provision of simulation water and polymer to remaining oil distribution influence in sandstone |
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| CN (1) | CN206681717U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108868715A (en) * | 2018-06-02 | 2018-11-23 | 东北石油大学 | The method for determining matrix-high infiltration strip chemical flooding remaining oil distribution and migration rule with fractal theory |
| CN110374559A (en) * | 2018-04-10 | 2019-10-25 | 陈光凌 | The method and device that different displacement modes influence low medium-high permeable reservoir oil displacement efficiency |
-
2017
- 2017-05-07 CN CN201720496242.3U patent/CN206681717U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374559A (en) * | 2018-04-10 | 2019-10-25 | 陈光凌 | The method and device that different displacement modes influence low medium-high permeable reservoir oil displacement efficiency |
| CN108868715A (en) * | 2018-06-02 | 2018-11-23 | 东北石油大学 | The method for determining matrix-high infiltration strip chemical flooding remaining oil distribution and migration rule with fractal theory |
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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: 20171128 Termination date: 20180507 |