CN216005764U - Seabed heavy oil heating and extracting device - Google Patents
Seabed heavy oil heating and extracting device Download PDFInfo
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- CN216005764U CN216005764U CN202121899926.0U CN202121899926U CN216005764U CN 216005764 U CN216005764 U CN 216005764U CN 202121899926 U CN202121899926 U CN 202121899926U CN 216005764 U CN216005764 U CN 216005764U
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Abstract
The utility model discloses a submarine heavy oil heating and extracting device, which is characterized in that: including vacuum oil-well pump (1) and separation bucket (2), vacuum oil-well pump (1) is used for the oil pumping, separation bucket (2) are used for carrying out oil water separation to the crude oil that comes on the extraction, the bottom of separation bucket (2) is equipped with outlet (2.1), the bottom of separation bucket (2) still is equipped with bubble generator (2.2) that are used for inputing the bubble, bubble generator (2.2) can accelerate the separating rate of profit, the top of separation bucket (2) is equipped with oil drain hole (2.4), be connected with conveyer pipe (3) on oil drain hole (2.4), conveyer pipe (3) are used for conveying gas and crude oil. The utility model provides a heating and extracting device for seabed heavy oil, which can accelerate the separation speed of a gravity separation method and improve the output efficiency of high-quality crude oil.
Description
Technical Field
The utility model relates to the field of oil-well pumps, in particular to a submarine heavy oil heating and extracting device.
Background
The vacuum oil pump is a common underground device which uses air negative pressure to pump crude oil in a well to the ground. However, because the crude oil contains sand, wax, water, gas and corrosive substances, the crude oil needs to be subjected to impurity separation to a certain degree after being extracted for further transportation and use.
The common separation device mainly separates impurities by a gravity separation method, and after crude oil is kept still for a period of time, the gas has the minimum density and floats above the crude oil; the density of the sand and the water is greater than that of the crude oil, and the sand and the water are precipitated below the crude oil; wax has a density slightly greater than that of crude oil, but dissolves in crude oil and requires special extraction, while corrosive substances are diverse in kind, dispersed in each layer, but in a small amount.
However, the gravity separation method using standing still requires a lot of waiting time, which results in long separation time after crude oil is extracted, and is not favorable for high-efficiency production of high-quality crude oil.
Disclosure of Invention
The technical problem to be solved by the utility model is as follows: the device can accelerate the separation speed of the gravity separation method and improve the output efficiency of high-quality crude oil.
The technical scheme adopted by the utility model for solving the problems is as follows: the utility model provides a seabed heavy oil heating draw-off device, includes vacuum oil-well pump and separation bucket, the vacuum oil-well pump is used for the oil pumping, the separation bucket is used for carrying out oil-water separation to the crude oil that comes in the extraction, the bottom of separation bucket is equipped with the outlet, the bottom of separation bucket still is equipped with the bubble generator who is used for the input bubble, the separation speed of profit can be accelerated to the bubble generator, the top of separation bucket is equipped with the oil drain port, be connected with the conveyer pipe on the oil drain port, the conveyer pipe is used for conveying gas and crude oil.
Compared with the prior art, the utility model has the advantages that: after vacuum oil-well pump extraction crude oil, send crude oil into the separation barrel in, then input the bubble to the separation barrel bottom through the bubble generator, the bubble is through quick come-up, thereby drive the crude oil come-up of aquatic, the separating rate of crude oil and water has been accelerated, thereby the latency of separation has been reduced, and after crude oil and separation of water, water can be followed the outlet and discharged, and gas and the crude oil after the separation can be followed the oil drain outlet and discharged, be convenient for subsequent crude oil input of treating the separation, thereby realize improving the purpose of the output efficiency of high-quality crude oil, the outlet also can be after the crude oil extraction simultaneously, send water, with all crude oil discharge separation barrels in the separation barrel.
As an improvement of the utility model, the tail end of the conveying pipe is connected with a power oil-well pump which is used for extracting crude oil in the separation barrel, and the purpose of conveying the crude oil after water-oil separation from the separation barrel outwards is achieved through the improvement.
As an improvement of the utility model, a first exhaust valve is arranged between the power oil well pump and the separation barrel, and the first exhaust valve is arranged at the upper end of the conveying pipe.
As an improvement of the utility model, a second exhaust valve is also arranged between the power oil well pump and the separation barrel, the second exhaust valve is arranged at the input end of the power oil well pump, an air cavity for storing air is arranged in the second exhaust valve, an exhaust port is arranged at one side of the air cavity, through the improvement, a small amount of air still can be mixed in the crude oil after passing through the exhaust valve of the first exhaust valve, if the air directly enters the power oil well pump, the inside of the power oil well pump can form air ringing, a large amount of noise can be caused, meanwhile, the line of oil supply can form fluctuation, the crude oil is not beneficial to conveying, through the design of the air cavity, the air which is not discharged from the first exhaust valve can be concentrated in the air cavity, the crude oil is continuously maintained in the conveying process, the process is similar to the process of infusion, a buffer air bag of an infusion tube is dripped, and the stability of crude oil conveying is ensured, when the gas in the gas cavity reaches a certain amount, the gas in the gas cavity is discharged from the gas outlet.
As an improvement of the utility model, the bubble generator comprises an air control valve and a plurality of vent pipes, a heater used for increasing the air temperature is arranged at the air inlet end of the air control valve, vent holes are arranged on the vent pipes, the vent holes are arranged in the separation barrel and are vertically arranged upwards, bubbles are generated in the separation barrel through the improvement, and meanwhile, the bubbles drive crude oil in water to rapidly move upwards due to the high temperature of the bubbles, so that the separation speed of the crude oil and the water is increased.
As a further improvement of the utility model, each vent pipe is provided with a plurality of air outlet holes, and the air outlet holes are arranged on the side wall of the vent pipe.
As a further improvement of the utility model, a plurality of air outlets are uniformly distributed along the same cross section, and the improvement can comprehensively ensure the effectiveness of oil-water separation and avoid the condition of low oil-water separation speed in a local area.
As a further improvement of the utility model, the top of the separation barrel is provided with an air pressure gauge which is used for judging the air pressure in the separation barrel so as to control the air output of the bubble generator, and the situation that the oil pumping efficiency of the vacuum oil-well pump is reduced due to overhigh air pressure in the separation barrel is avoided through the improvement.
As a further improvement of the present invention, an observation groove is provided on the sidewall of the separation barrel, and the observation groove is used for observing the oil-water separation state in the separation barrel, so that the oil-water separation state in the separation barrel can be conveniently observed, the components and initial proportion of the crude oil in the separation barrel can be conveniently judged, the quality of the crude oil can be judged, and meanwhile, whether operations such as water drainage, oil supply and the like can be judged.
Drawings
Fig. 1 is a schematic structural view of the overall structure of the present invention.
Fig. 2 is a sectional structural view of a second exhaust valve mounting structure according to the present invention.
FIG. 3 is a schematic top view of the secondary cleaning tank and the driving pump according to the present invention.
Shown in the figure: 1. vacuum oil-well pump, 2, separation bucket, 2.1, outlet, 2.2, bubble generator, 2.2.1, accuse pneumatic valve, 2.2.2, breather pipe, 2.2.3, venthole, 2.3, observation groove, 2.4, oil drain port, 2.5, barometer, 3, conveyer pipe, 4, power oil-well pump, 5, first exhaust valve, 6, second exhaust valve, 6.1, air cavity, 6.2, gas vent.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
As shown in fig. 1, a seabed heavy oil heating and extracting device comprises a vacuum oil pump 1 and a separation barrel 2, wherein the vacuum oil pump 1 is used for pumping oil, the separation barrel 2 is used for performing oil-water separation on extracted crude oil, a water outlet 2.1 is arranged at the bottom of the separation barrel 2, a bubble generator 2.2 for inputting bubbles is further arranged at the bottom of the separation barrel 2, the bubble generator 2.2 can accelerate the oil-water separation speed, an oil outlet 2.4 is arranged at the top of the separation barrel 2, a delivery pipe 3 is connected to the oil outlet 2.4, the delivery pipe 3 is used for delivering gas and crude oil, the connecting end of the delivery pipe 3 and the separation barrel 2 is inserted into the crude oil, a power oil pump 4 is connected to the tail end of the delivery pipe 3, the power oil pump 4 is used for extracting the crude oil in the separation barrel 2, a first gas exhaust valve 5 is arranged between the power pump 4 and the separation barrel 2, the upper end of conveyer pipe 3 is located to first exhaust valve 5, the top of separation bucket 2 is equipped with barometer 2.5, barometer 2.5 is used for judging the air output of 2 internal gas pressures in separation bucket in order to control bubble generator 2.2, be equipped with observation groove 2.3 on the lateral wall of separation bucket 2, observation groove 2.3 is used for observing the water oil separating state in the separation bucket 2.
As shown in fig. 1-2, a second exhaust valve 6 is further disposed between the power oil well pump 4 and the separation barrel 2, the second exhaust valve 6 is disposed at an input end of the power oil well pump 4, an air cavity 6.1 for storing air is disposed in the second exhaust valve 6, an exhaust port 6.2 is disposed on one side of the air cavity 6.1, and a switch valve for opening and closing the exhaust port 6.2 is disposed on the exhaust port 6.2.
As shown in fig. 1 and 3, the bubble generator 2.2 includes an air control valve 2.2.1 and a plurality of vent pipes 2.2.2, a heater for raising air temperature is provided at an air inlet end of the air control valve 2.2.1, each vent pipe 2.2.2 is provided with a plurality of air outlets 2.2.3, the plurality of air outlets 2.2.3 are provided on a side wall of the vent pipe 2.2.2, the air outlets 2.2.3 are provided in the separation barrel 2, the air outlets 2.2.3 are vertically and upwardly provided, the plurality of air outlets 2.2.3 are uniformly distributed along the same cross section, and a sealing ring is provided at a joint of the vent pipe 2.2.2 and the separation barrel 2 to prevent liquid from flowing toward the air control valve 2.2.1.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. All changes which come within the scope of the utility model as defined by the independent claims are intended to be embraced therein.
Claims (9)
1. A seabed heavy oil heating and extracting device is characterized in that: including vacuum oil-well pump (1) and separation bucket (2), vacuum oil-well pump (1) is used for the oil pumping, separation bucket (2) are used for carrying out oil water separation to the crude oil that comes on the extraction, the bottom of separation bucket (2) is equipped with outlet (2.1), the bottom of separation bucket (2) still is equipped with bubble generator (2.2) that are used for inputing the bubble, bubble generator (2.2) can accelerate the separating rate of profit, the top of separation bucket (2) is equipped with oil drain hole (2.4), be connected with conveyer pipe (3) on oil drain hole (2.4), conveyer pipe (3) are used for conveying gas and crude oil.
2. The heating and extracting device for heavy oil on the sea bottom of claim 1, wherein: the tail end of the conveying pipe (3) is connected with a power oil-well pump (4), and the power oil-well pump (4) is used for extracting crude oil in the separation barrel (2).
3. The heating and extracting device for the heavy oil on the sea bottom of claim 2, wherein: be equipped with first exhaust valve (5) between power oil-well pump (4) and separation bucket (2), the upper end of conveyer pipe (3) is located in first exhaust valve (5).
4. The heating and extracting device for the heavy oil on the sea bottom of claim 2, wherein: still be equipped with second discharge valve (6) between power oil-well pump (4) and separation bucket (2), the input of power oil-well pump (4) is located in second discharge valve (6), be equipped with air cavity (6.1) that are used for storing gas in second discharge valve (6), one side of air cavity (6.1) is equipped with gas vent (6.2).
5. The heating and extracting device for heavy oil on the sea bottom of claim 1, wherein: bubble generator (2.2) are equipped with the heater that is used for improving air temperature including air control valve (2.2.1) and many breather pipes (2.2.2), the inlet end of air control valve (2.2.1), many all be equipped with venthole (2.2.3) on breather pipe (2.2.2), in separation bucket (2) was located in venthole (2.2.3), venthole (2.2.3) vertical upwards set up.
6. The heating and extracting device for the heavy oil on the sea bottom of claim 5, wherein: every all be equipped with a plurality of ventholes (2.2.3) on breather pipe (2.2.2), it is a plurality of venthole (2.2.3) are located on the lateral wall of breather pipe (2.2.2).
7. The heating and extracting device for the heavy oil on the sea bottom of claim 6, wherein: the air outlet holes (2.2.3) are uniformly distributed along the same cross section.
8. The heating and extracting device for heavy oil on the sea bottom of claim 1, wherein: the top of separation bucket (2) is equipped with barometer (2.5), barometer (2.5) are used for judging separation bucket (2) internal gas pressure in order to control bubble generator's (2.2) air output.
9. The heating and extracting device for heavy oil on the sea bottom of claim 1, wherein: an observation groove (2.3) is arranged on the side wall of the separation barrel (2), and the observation groove (2.3) is used for observing the oil-water separation state in the separation barrel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121899926.0U CN216005764U (en) | 2021-08-12 | 2021-08-12 | Seabed heavy oil heating and extracting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121899926.0U CN216005764U (en) | 2021-08-12 | 2021-08-12 | Seabed heavy oil heating and extracting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216005764U true CN216005764U (en) | 2022-03-11 |
Family
ID=80588766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121899926.0U Active CN216005764U (en) | 2021-08-12 | 2021-08-12 | Seabed heavy oil heating and extracting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216005764U (en) |
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2021
- 2021-08-12 CN CN202121899926.0U patent/CN216005764U/en active Active
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