CN211425741U - Fast mixed phase pressure measuring device - Google Patents
Fast mixed phase pressure measuring device Download PDFInfo
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- CN211425741U CN211425741U CN202020340748.7U CN202020340748U CN211425741U CN 211425741 U CN211425741 U CN 211425741U CN 202020340748 U CN202020340748 U CN 202020340748U CN 211425741 U CN211425741 U CN 211425741U
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Abstract
The utility model discloses a miscible phase pressure rapid determination device, relate to oil development test technical field, including high temperature high pressure bubble rising system, bubble tracking camera system and sample injection system, high temperature high pressure bubble rising system includes the autoclave, a water pump, air pump and sample cell, sample cell detachably installs in the autoclave, both sides of autoclave upper end are provided with evacuation mouth and gas vent respectively, one side of autoclave lower extreme is provided with the leakage fluid dram, the bottom of autoclave is provided with air inlet and inlet, sample cell upper end is connected with the gas vent through first passageway, sample cell lower extreme is connected with the air inlet through the second passageway, the sample cell lower part communicates with each other with inlet and leakage fluid dram; the bubble tracking camera system comprises a high-temperature high-pressure observation window, a high-temperature high-pressure resistant strip-shaped background light source and a high-speed camera, and the sample injection system comprises an oil pump which is used for injecting sample oil into the sample tube. The device is convenient to observe, and measurement accuracy is high, and measurement cycle is short, improves test efficiency.
Description
Technical Field
The utility model relates to an experimental technical field of oil development especially relates to a miscible phase pressure spot test device.
Background
Most of the existing devices for measuring the minimum miscible pressure are used for filling sands with different diameters into a tubule model, an injection system is used for injecting crude oil into the tubule model, and the minimum miscible pressure is determined by measuring the pressure value in the length direction of the tubule model and the change condition of the pressure value. The measuring mode has great human factor influence when the thin tube model is filled, the density of filling each time cannot reach the consistency, the pressure value is measured under the influence of the measuring precision of the pressure sensing transmitter, namely the acquisition module, the minimum miscible pressure is calculated in the later period, the labor cost is long, the calculation is complex, and the error rate is high. The testing device can not meet the economic, accurate and efficient experiment requirements in the simulation experiment.
SUMMERY OF THE UTILITY MODEL
For solving above technical problem, the utility model provides a miscible phase pressure spot test device observes conveniently, and the measurement accuracy is high, and measurement cycle is short, improves test efficiency.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a miscible phase pressure rapid determination device, including high temperature high pressure bubble rising system, bubble tracking camera system and sample injection system, high temperature high pressure bubble rising system includes autoclave, water pump, air pump and sample cell, sample cell detachably installs in the autoclave, and the sample cell is vertical to be set up, the both sides of autoclave upper end are provided with evacuation mouth and gas vent respectively, one side of autoclave lower extreme is provided with the leakage fluid dram, the bottom of autoclave is provided with air inlet and inlet, sample cell upper end through first passageway with the gas vent is connected, the sample cell lower extreme through the second passageway with the air inlet is connected, the sample cell lower part with the inlet with the leakage fluid dram communicates with each other; the bubble tracking camera system comprises a high-temperature high-pressure observation window, a high-temperature high-pressure resistant strip-shaped background light source and a high-speed camera, wherein the high-temperature high-pressure observation window is arranged on one side of the high-pressure kettle, the strip-shaped background light source is arranged in the high-pressure kettle, the sample tube is arranged between the high-temperature high-pressure observation window and the strip-shaped background light source, and the high-speed camera is arranged on one side of the high-temperature high-pressure observation; the sample injection system includes an oil pump for injecting sample oil into the sample tube.
Preferably, the autoclave comprises an autoclave body with an upper opening and a lower opening, an upper plug and a lower plug, wherein the upper plug and the lower plug are respectively arranged at the upper end and the lower end of the autoclave body.
Preferably, two ends of the strip-shaped background light source are respectively installed on the upper plug and the lower plug.
Preferably, the evacuation port is arranged on one side of the upper part of the kettle body, the liquid discharge port is arranged on one side of the lower part of the kettle body, the air exhaust port is arranged on the upper plug, the first channel is arranged in the upper plug, and the liquid inlet and the air inlet are arranged on the lower plug.
Preferably, the high-temperature and high-pressure bubble raising system further comprises a limiting ring and a plurality of pull rods, the upper ends of the pull rods are in threaded connection with the bottom of the upper plug, the lower ends of the pull rods are fixedly connected with the limiting ring, the lower end of the sample tube is fixedly connected with the limiting ring, and an O-shaped ring is sleeved on the outer portion of the upper end of the sample tube and is in sealing connection with the upper plug.
Preferably, the lower end of the pull rod is locked on the limiting ring through a nut.
Preferably, the number of the pull rods is four.
Preferably, the pull rod is a stainless steel pull rod.
The utility model discloses for prior art gain following technological effect:
the utility model provides a thoughtlessly looks pressure spot test device, including high temperature high pressure rising bubble system, bubble tracking camera system and sample injection system, high temperature high pressure rising bubble system includes autoclave, water pump, air pump and sample cell, and sample cell detachably installs in the autoclave, and the sample cell can carry out nimble change according to the test sample quality, satisfies different sample test demands. The bubble tracking camera system comprises a high-temperature high-pressure observation window, a high-temperature and high-pressure resistant strip-shaped background light source and a high-speed camera, and during testing, the shape, the number and the evolution defoaming process of the size of bubbles in the sample tube are processed by the high-speed camera in an accurate picture splicing manner, so that the minimum mixed phase pressure is measured, the observation is convenient, the measurement accuracy is high, the measurement period is short, and the test efficiency is improved. The high-temperature and high-pressure resistant strip-shaped background light source arranged in the high-pressure kettle has adjustable light source intensity and is convenient to install and maintain. The utility model provides a miscible phase pressure spot test device has realized that the researcher can obtain required experimental data economically, accurately, high-efficiently under simulation high temperature high pressure stratum condition, provides the guiding foundation for oil field test institute, institute and relevant oil colleges and universities oil development.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the apparatus for rapidly measuring miscible pressure according to the present invention.
Description of reference numerals: 1. a kettle body; 2. an upper plug; 3. a lower plug; 4. a sample tube; 5. a strip-shaped background light source; 6. a high temperature and high pressure observation window; 7. a high-speed camera; 8. emptying the air; 9. an exhaust port; 10. a first channel; 11. a liquid discharge port; 12. a liquid inlet; 13. an air inlet; 14. a second channel; 15. a pull rod; 16. a limiting ring; 17. and a nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a miscible phase pressure spot test device observes conveniently, and measurement accuracy is high, and measurement cycle is short, improves test efficiency.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, this embodiment provides a miscible pressure rapid measurement device, including high temperature high pressure bubble rising system, bubble tracking camera system and sample injection system, high temperature high pressure bubble rising system includes autoclave, water pump, air pump and sample cell 4, and sample cell 4 detachably installs in the autoclave, and the vertical setting of sample cell 4, and sample cell 4 can carry out nimble change according to the test sample quality, satisfies different sample test demands. Two sides of the upper end of the high-pressure kettle are respectively provided with an emptying port 8 and an exhaust port 9, and the high-pressure kettle is mainly used for pre-filling distilled water samples in annular spaces between the high-pressure kettle and the sample tube 4 so as to be convenient for exhausting air; a liquid outlet 11 is formed in one side of the lower end of the high-pressure kettle, an air inlet 13 and a liquid inlet 12 are formed in the bottom of the high-pressure kettle, the upper end of a sample tube 4 is connected with an air outlet 9 through a first channel 10, the lower end of the sample tube 4 is connected with the air inlet 13 through a second channel 14, the lower portion of the sample tube 4 is communicated with the liquid inlet 12 and the liquid outlet 11, a water pump is used for injecting distilled water into the high-pressure kettle through the liquid inlet 12, and an air pump is used for injecting air into the; the bubble tracking camera system comprises a high-temperature high-pressure observation window 6, a high-temperature high-pressure resistant bar-shaped background light source 5 and a high-speed camera 7, wherein the high-temperature high-pressure observation window 6 is arranged on one side of the high-pressure kettle, the bar-shaped background light source 5 is installed in the high-pressure kettle, the light source intensity of the bar-shaped background light source 5 is adjustable, the installation and the maintenance are convenient, and particularly, the bar-shaped background light source 5 is a bar-; the sample tube 4 is arranged between the high-temperature high-pressure observation window 6 and the strip-shaped background light source 5, and the high-speed camera 7 is arranged on one side of the high-temperature high-pressure observation window 6. The sample injection system comprises an oil pump for injecting sample oil into the sample tube 4 through the gas outlet 9.
Specifically, the autoclave comprises an autoclave body 1 with an upper opening and a lower opening, an upper plug 2 and a lower plug 3, wherein the upper plug 2 and the lower plug 3 are respectively arranged at the upper end and the lower end of the autoclave body 1. Two ends of the strip-shaped background light source 5 are respectively arranged on the upper plug 2 and the lower plug 3.
The evacuation mouth 8 sets up in 1 upper portion one side of the cauldron body, and leakage fluid dram 11 sets up in 1 lower part one side of the cauldron body, and gas vent 9 sets up on last end cap 2, and first passageway 10 sets up in last end cap 2, and first passageway 10 upper end and gas vent 9 intercommunication, first passageway 10 lower extreme and sample cell 4 intercommunication, inlet 12 and air inlet 13 set up on lower end cap 3.
Specifically, the high-temperature high-pressure bubble raising system further comprises a limiting ring 16 and a plurality of pull rods 15, the upper ends of the pull rods 15 are in threaded connection with the bottom of the upper plug 2, the lower ends of the pull rods 15 are fixedly connected with the limiting ring 16, the lower end of the sample tube 4 is fixedly connected with the limiting ring 16, and an O-shaped ring is sleeved on the outer portion of the upper end of the sample tube 4 and is in sealing connection with the upper plug 2. In this embodiment, the lower end of the pull rod 15 is locked to the stop ring 16 by a nut 17.
In this embodiment, four tie rods 15 are provided, and the tie rods 15 are stainless steel tie rods.
The specific using process is as follows: the formation oil sample preparation system is prepared according to a required sample in the early stage of an experiment, a liquid outlet 11 is firstly closed, a water pump injects clean distilled water into an annular space of a kettle body 1 through a liquid inlet 12, then an oil pump injects prepared sample oil into a sample tube 4 through an exhaust port 9 until distilled water exists only near an injection needle at the bottom end in the kettle body 1 and the sample oil does not overflow out of the sample tube 4, then distilled water is continuously injected to a required pressure, after the required pressure value is reached, a gas pump injects trace gas with the required pressure value from a gas inlet 13 at the bottom end of the kettle body 1, the gas enters the sample tube 4 to form bubbles, the bubbles firstly pass through a water column under the action of buoyancy and then pass through an oil-water interface, when the bubbles enter an oil column, the bubbles track the operation of a camera system, the foam removal process of the shape, the quantity and the size of the bubbles is recorded, because the high-temperature and high-pressure resistant bar-shaped background soft white light source and the high-speed camera 7 which are included in the bubble tracking camera system are high-performance components, the shape, the motion direction and the like of the bubbles can be accurately obtained. It can be seen that the shape, the number and the evolution defoaming process of the size of the bubbles in the sample tube 4 can be accurately processed by the high-speed camera 7, so that the minimum mixed phase pressure is measured according to the shape of the bubbles, the observation is convenient, the measurement accuracy is high, the measurement period is short, and the test efficiency is improved. After the test is completed, the liquid in the kettle body 1 is discharged by opening the liquid discharge port 11.
Therefore, the device for rapidly measuring the miscible pressure in the embodiment realizes that researchers can economically, accurately and efficiently obtain required experimental data under the condition of simulating a high-temperature and high-pressure stratum, and provides guiding basis for oil exploitation of oil field laboratories, research institutes and related oil institutions.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. A mixed phase pressure rapid measuring device is characterized by comprising a high-temperature high-pressure bubble raising system, a bubble tracking and shooting system and a sample injection system, wherein the high-temperature high-pressure bubble raising system comprises an autoclave, a water pump, an air pump and a sample tube, the sample tube is detachably mounted in the autoclave, the sample tube is vertically arranged, an evacuation port and an exhaust port are respectively arranged on two sides of the upper end of the autoclave, a liquid discharge port is arranged on one side of the lower end of the autoclave, an air inlet and a liquid inlet are arranged at the bottom of the autoclave, the upper end of the sample tube is connected with the exhaust port through a first channel, the lower end of the sample tube is connected with the air inlet through a second channel, and the lower part of the sample tube is communicated with the liquid inlet; the bubble tracking camera system comprises a high-temperature high-pressure observation window, a high-temperature high-pressure resistant strip-shaped background light source and a high-speed camera, wherein the high-temperature high-pressure observation window is arranged on one side of the high-pressure kettle, the strip-shaped background light source is arranged in the high-pressure kettle, the sample tube is arranged between the high-temperature high-pressure observation window and the strip-shaped background light source, and the high-speed camera is arranged on one side of the high-temperature high-pressure observation; the sample injection system includes an oil pump for injecting sample oil into the sample tube.
2. The miscible pressure rapid measuring device according to claim 1, wherein the autoclave comprises an upper and lower open autoclave body, an upper plug and a lower plug, and the upper plug and the lower plug are respectively installed at the upper end and the lower end of the autoclave body.
3. The miscible pressure rapid measuring device according to claim 2, wherein two ends of the strip-shaped background light source are respectively installed on the upper plug and the lower plug.
4. The apparatus according to claim 2, wherein the evacuation port is disposed on one side of an upper portion of the vessel, the liquid discharge port is disposed on one side of a lower portion of the vessel, the gas discharge port is disposed on the upper plug, the first channel is disposed in the upper plug, and the liquid inlet and the gas inlet are disposed on the lower plug.
5. The apparatus according to claim 2, wherein the high-temperature and high-pressure bubble rising system further comprises a limiting ring and a plurality of pull rods, the upper end of each pull rod is in threaded connection with the bottom of the upper plug, the lower end of each pull rod is fixedly connected with the limiting ring, the lower end of the sample tube is fixedly connected with the limiting ring, and an O-ring is sleeved outside the upper end of the sample tube and is in sealing connection with the upper plug.
6. The apparatus for rapidly measuring miscible pressure according to claim 5, wherein the lower end of the pull rod is locked to the limit ring by a nut.
7. The apparatus for rapidly measuring the miscible pressure according to claim 5, wherein the number of the tie rods is four.
8. The apparatus for rapidly measuring miscible pressure according to claim 5, wherein the tie rod is a stainless steel tie rod.
Priority Applications (1)
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|---|---|---|---|
| CN202020340748.7U CN211425741U (en) | 2020-03-18 | 2020-03-18 | Fast mixed phase pressure measuring device |
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| CN202020340748.7U CN211425741U (en) | 2020-03-18 | 2020-03-18 | Fast mixed phase pressure measuring device |
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| CN211425741U true CN211425741U (en) | 2020-09-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494979A (en) * | 2020-03-18 | 2021-10-12 | 扬州华宝石油仪器有限公司 | Fast mixed phase pressure measuring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494979A (en) * | 2020-03-18 | 2021-10-12 | 扬州华宝石油仪器有限公司 | Fast mixed phase pressure measuring device |
| CN113494979B (en) * | 2020-03-18 | 2024-02-09 | 扬州华宝石油仪器有限公司 | Mixed phase pressure quick measuring device |
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Effective date of registration: 20200903 Address after: 225009 No. 16 Xianghe Road, Yangzhou Development Zone, Jiangsu, China Patentee after: YANGZHOU HUABAO PETROLEUM INSTRUMENT Co.,Ltd. Address before: Building B135, jinhuwan community, Hanjiang District, Yangzhou City, Jiangsu Province, 225000 Patentee before: Jiang Haiyang |