CN210331761U

CN210331761U - Oil-gas-water separation device for deep sea

Info

Publication number: CN210331761U
Application number: CN201921286059.6U
Authority: CN
Inventors: 梁俊
Original assignee: Sichuan Bluestar Machinery Co Ltd
Current assignee: Sichuan Bluestar Machinery Co Ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-04-17
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses an oil gas water separator is used in deep sea, advance the pipe including the gas-liquid, the right-hand member intercommunication that the gas-liquid advances the pipe has the gas-liquid separation pipe, the top intercommunication of gas-liquid separation pipe has gas-liquid separation mechanism, the right-hand member intercommunication of one-level buffer tank has oil water gas mechanism. The utility model discloses a set up the gas-liquid and advance the pipe, the gas-liquid separation pipe, gas-liquid separation mechanism, oil water separation pipe, the one-level buffer tank, oil water gas mechanism, mutually supporting of second grade buffer tank and oil pipe, it can only carry out once separation to have solved present deep sea and used oil gas water separator, separation to oil water gas is not abundant, also discharge fluid easily when the separation water of discharging, cause near sea area environmental pollution's problem, this deep sea is used oil gas water separator, it can increase the separation effect through multiple separation to possess, reduce environmental pollution's advantage, alleviate the influence of oil development to the ocean to a certain extent.

Description

Oil-gas-water separation device for deep sea

Technical Field

The utility model relates to an oil development equipment technical field specifically is an oil gas water separator is used in deep sea.

Background

An oil-gas field development scheme based on an underwater separation system becomes one of important modes for deepwater oil-gas field development, gas is naturally lifted through seabed gas-liquid separation, and liquid is pressurized and conveyed through an electric submersible pump, so that wellhead backpressure can be reduced, the recovery rate can be improved, oil field production can be accelerated, and the generation of hydrates can be effectively avoided; by means of seabed oil-gas-water separation and produced water reinjection, formation pressure is effectively supplemented, recovery efficiency is improved, deep water low reservoir pressure oil field development is implemented, powerful support is provided for flow guarantee of an underwater production system, but an existing deep sea oil-gas-water separation device can only be used for one-time separation generally, oil, water and gas are not sufficiently separated, oil and water are easily discharged when separated water is discharged, and environment pollution of nearby sea areas is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil gas water separator for deep sea possesses can increase the separation effect through many times separation, reduces environmental pollution's advantage, has solved present oil gas water separator for deep sea and generally can only carry out once separation, and is not abundant to the separation of oil aqueous vapor, also discharges fluid easily when the separation water of discharging, causes near sea area environmental pollution's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oil gas water separator for deep sea, advances the pipe including the gas-liquid, the right-hand member intercommunication that the gas-liquid advances the pipe has the gas-liquid separation pipe, the top intercommunication of gas-liquid separation pipe has gas-liquid separation mechanism, the right-hand member intercommunication of gas-liquid separation pipe has the oil-water separation pipe, the one end intercommunication that the gas-liquid separation pipe was kept away from to the oil-water separation pipe has the primary buffer tank, the right-hand member intercommunication of primary buffer tank has oil-water gas mechanism, the right-hand member intercommunication of oil-water gas mechanism has the secondary buffer tank, the right-hand member intercommunication of secondary buffer tank has.

Preferably, the profit gas pitcher constructs including the profit gas pitcher, the both ends of profit gas pitcher communicate with one-level buffer tank and second grade buffer tank respectively, the top bolt of one-level buffer tank, profit gas pitcher and second grade buffer tank inner chamber has the division board, the separation hole has been seted up on the surface of division board, the bottom intercommunication on profit gas pitcher surface has the drain pipe, the top intercommunication on profit gas pitcher surface has the blast pipe.

Preferably, the diameter of the oil-water gas tank is larger than the diameters of the primary buffer tank and the secondary buffer tank, and the partition plate is made of a hard material.

Preferably, the gas-liquid separation mechanism comprises a gas separation pipe, the gas separation pipe is bolted to the top of the gas-liquid separation pipe, an air inlet hole is formed in the side wall between the gas-liquid separation pipe and the gas separation pipe, the gas-liquid separation pipe is communicated with the gas separation pipe through the air inlet hole, the right end of the surface of the gas separation pipe is communicated with an air outlet pipe, and one end, away from the gas separation pipe, of the air outlet pipe is communicated with the surface of the oil-water gas tank.

Preferably, the inner wall of the gas-liquid separation pipe is bolted with a stirring rod, and the stirring rod is made of steel materials.

Preferably, the diameter of the gas-liquid separation pipe is larger than that of the gas-liquid inlet pipe, and the diameter of the oil-water separation pipe is larger than that of the gas-liquid separation pipe.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the gas-liquid and advance the pipe, the gas-liquid separation pipe, gas-liquid separation mechanism, oil water separation pipe, the one-level buffer tank, oil water gas mechanism, mutually supporting of second grade buffer tank and oil pipe, it can only carry out once separation to have solved present deep sea and used oil gas water separator, separation to oil water gas is not abundant, also discharge fluid easily when the separation water of discharging, cause near sea area environmental pollution's problem, this deep sea is used oil gas water separator, it can increase the separation effect through multiple separation to possess, reduce environmental pollution's advantage, alleviate the influence of oil development to the ocean to a certain extent.

2. The utility model discloses a set up oily water gas mechanism, can carry out the secondary separation to the material, and the profit gas pitcher can be better collect the water after filtering, through setting up gas-liquid separation mechanism, can effectively come out the gas separation in the material, and the gas that will separate out emits into oily water gas pitcher, through setting up the puddler, can stir the material that flows, the gas in the material of being convenient for can be faster separates out, the reinforcing separation effect, advance the pipe through setting up the gas-liquid, gas-liquid separation pipe and oil-water separation pipe's diameter, can constantly slow down the flow velocity of material, the separation of the oily water gas of being convenient for.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic bottom sectional view of the gas-liquid separation mechanism of the present invention;

FIG. 3 is a schematic sectional view of the oil-water tank according to the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a gas-liquid inlet pipe; 2. a gas-liquid separation pipe; 3. a gas-liquid separation mechanism; 31. a gas separation tube; 32. an air inlet; 33. an air outlet pipe; 4. an oil-water separation pipe; 5. a primary buffer tank; 6. an oil-water-gas mechanism; 61. an oil-water tank; 62. a partition plate; 63. a separation well; 64. a drain pipe; 65. an exhaust pipe; 7. a secondary buffer tank; 8. an oil outlet pipe; 9. a stirring rod.

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.

Referring to fig. 1-4, an oil-gas-water separation device for deep sea comprises a gas-liquid inlet pipe 1, a gas-liquid separation pipe 2 is communicated with the right end of the gas-liquid inlet pipe 1, a gas-liquid separation mechanism 3 is communicated with the top of the gas-liquid separation pipe 2, an oil-water separation pipe 4 is communicated with the right end of the gas-liquid separation pipe 2, a primary buffer tank 5 is communicated with one end of the oil-water separation pipe 4 away from the gas-liquid separation pipe 2, an oil-water mechanism 6 is communicated with the right end of the primary buffer tank 5, a secondary buffer tank 7 is communicated with the right end of the oil-water mechanism 6, an oil outlet pipe 8 is communicated with the right end of the secondary buffer tank 7, the oil-water mechanism 6 comprises an oil-water tank 61, two ends of the oil-water tank 61 are respectively communicated with the primary buffer tank 5 and the secondary buffer tank 7, a partition plate 62 is bolted to the tops of the inner cavities, the bottom of the surface of the oil-water tank 61 is communicated with a drain pipe 64, the top of the surface of the oil-water tank 61 is communicated with an exhaust pipe 65, the diameter of the oil-water tank 61 is larger than the diameters of the primary buffer tank 5 and the secondary buffer tank 7, the partition plate 62 is made of a rigid material, the gas-liquid separation mechanism 3 comprises a gas separation pipe 31, the gas separation pipe 31 is bolted to the top of the gas-liquid separation pipe 2, an air inlet hole 32 is formed in the side wall between the gas-liquid separation pipe 2 and the gas separation pipe 31, the gas-liquid separation pipe 2 is communicated with the gas separation pipe 31 through the air inlet hole 32, the right end of the surface of the gas separation pipe 31 is communicated with an air outlet pipe 33, one end, away from the gas separation pipe 31, of the air outlet pipe 33 is communicated with the surface of the oil-water tank 61, the inner wall of the gas-liquid separation pipe 2 is bolted with a stirring rod 9, the, through the arrangement of the oil-water-gas mechanism 6, the secondary separation can be carried out on the substances, the oil-water-gas tank 61 can better collect the filtered water, through the arrangement of the gas-liquid separation mechanism 3, the gas in the substances can be effectively separated, the separated gas is discharged into the oil-water-gas tank 61, through the arrangement of the stirring rod 9, the flowing substances can be stirred, the gas in the substances can be separated more quickly, the separation effect is enhanced, through the arrangement of the diameters of the gas-liquid inlet pipe 1, the gas-liquid separation pipe 2 and the oil-water separation pipe 4, the flowing speed of the substances can be continuously slowed down, the separation of oil and water is facilitated, through the arrangement of the gas-liquid inlet pipe 1, the gas-liquid separation pipe 2, the gas-liquid separation mechanism 3, the oil-water separation pipe 4, the primary buffer tank 5, the oil-water mechanism 6, the secondary buffer tank 7 and the oil outlet pipe 8, the problem that the conventional oil-water-gas separation device for deep, the separation to oil aqueous vapor is not abundant, also discharges fluid easily when the separation water of discharging, causes near sea area environmental pollution's problem, and this oil gas water separator for deep sea possesses can increase the separation effect through a lot of separations, reduces environmental pollution's advantage, alleviates the influence of oil development to the ocean to a certain extent.

When the device is used, a mixture enters the gas-liquid separation pipe 2 through the gas-liquid inlet pipe 1, the flow rate of the mixture entering the gas-liquid separation pipe 2 is reduced, and the mixture continuously collides with the stirring rod 9, so that gas in the mixture begins to be separated, the gas can float upwards because the gas is lighter than the mixture and enters the gas separation pipe 31 through the gas inlet hole 32, the gas is continuously collected in the gas separation pipe 31 and is discharged into the oil-water tank 61 through the gas outlet pipe 33, the mixture which begins to be separated by oil-water in the gas-liquid separation pipe 2 then enters the thicker oil-water separation pipe 4, so that the mixture flows more slowly, the mixture which flows slowly gradually floats to the upper part of water because the specific gravity of the oil is smaller in the flowing process, the water continuously descends because of the heavier weight, and forms the state of oil-water, the substances after being separated enter the primary buffer tank 5, the oil-water tank 61 and the secondary, speed slows down greatly once more, oil gas water separates once more, lightest gas drifts upwards and gets into division board 62 and one-level buffer tank 5 through separation hole 63, profit gas pitcher 61 and second grade buffer tank 7 form the gas chamber, gas constantly collects in the gas chamber, and upwards get into in the pipeline of oil platform through blast pipe 65, heaviest water constantly descends, the state of launching oil is formed, a large amount of water collects at profit gas pitcher 61, under the effect of pressure, the water of bottom passes through drain pipe 64 and discharges, the diameter of profit gas pitcher 61 makes the upper portion floated oil far away from drain pipe 64, it is difficult to discharge through drain pipe 64, the oil is discharged to the pipeline of oil platform through oil outlet pipe 8.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an oil gas water separator for deep sea, includes that the gas-liquid advances pipe (1), its characterized in that: the gas-liquid separation device is characterized in that the right end of the gas-liquid inlet pipe (1) is communicated with a gas-liquid separation pipe (2), the top of the gas-liquid separation pipe (2) is communicated with a gas-liquid separation mechanism (3), the right end of the gas-liquid separation pipe (2) is communicated with an oil-water separation pipe (4), one end of the oil-water separation pipe (4), which is far away from the gas-liquid separation pipe (2), is communicated with a first-stage buffer tank (5), the right end of the first-stage buffer tank (5) is communicated with an oil-water-gas mechanism (6), the right end of the oil-water-gas mechanism (6) is communicated with a second-stage buffer tank (7), and the right end.

2. The oil-gas-water separation device for deep sea according to claim 1, wherein: oily water gas mechanism (6) include profit gas pitcher (61), the both ends of profit gas pitcher (61) communicate with one-level buffer tank (5) and second grade buffer tank (7) respectively, division board (62) have been bolted at the top of one-level buffer tank (5), profit gas pitcher (61) and second grade buffer tank (7) inner chamber, separation hole (63) have been seted up on the surface of division board (62), the bottom intercommunication on oily water gas pitcher (61) surface has drain pipe (64), the top intercommunication on oily water gas pitcher (61) surface has blast pipe (65).

3. The oil-gas-water separation device for deep sea according to claim 2, wherein: the diameter of the oil-water gas tank (61) is larger than the diameters of the primary buffer tank (5) and the secondary buffer tank (7), and the partition plate (62) is made of hard materials.

4. The oil-gas-water separation device for deep sea according to claim 1, wherein: the gas-liquid separation mechanism (3) comprises a gas separation pipe (31), the gas separation pipe (31) is bolted to the top of the gas-liquid separation pipe (2), a gas inlet hole (32) is formed in the side wall between the gas-liquid separation pipe (2) and the gas separation pipe (31), the gas-liquid separation pipe (2) is communicated with the gas separation pipe (31) through the gas inlet hole (32), the right end of the surface of the gas separation pipe (31) is communicated with a gas outlet pipe (33), and one end, away from the gas separation pipe (31), of the gas outlet pipe (33) is communicated with the surface of the oil-water gas tank (61).

5. The oil-gas-water separation device for deep sea according to claim 4, wherein: the inner wall of the gas-liquid separation pipe (2) is in bolted connection with a stirring rod (9), and the stirring rod (9) is made of steel materials.

6. The oil-gas-water separation device for deep sea according to claim 1, wherein: the diameter of the gas-liquid separation pipe (2) is larger than that of the gas-liquid inlet pipe (1), and the diameter of the oil-water separation pipe (4) is larger than that of the gas-liquid separation pipe (2).