CN107050930A - The method that a kind of oil gas water solid four is separated - Google Patents
The method that a kind of oil gas water solid four is separated Download PDFInfo
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- CN107050930A CN107050930A CN201710256639.XA CN201710256639A CN107050930A CN 107050930 A CN107050930 A CN 107050930A CN 201710256639 A CN201710256639 A CN 201710256639A CN 107050930 A CN107050930 A CN 107050930A
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- liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0073—Degasification of liquids by a method not covered by groups B01D19/0005 - B01D19/0042
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0205—Separation of non-miscible liquids by gas bubbles or moving solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/26—Separation of sediment aided by centrifugal force or centripetal force
- B01D21/267—Separation of sediment aided by centrifugal force or centripetal force by using a cyclone
Abstract
Equipment technical field is used the invention belongs to oil and gas industry and sewage treatment industry etc., the method that specifically related to a kind of oil gas water solid four is separated, including gas-liquid separation, solid-liquor separation and water oil are separated or including solid-liquor separation, gas-liquid separation and water oil separation, solve in the prior art due to designing the theory of three phase separator and lacking experience, the difference of situations such as manufacture, so that three phase separation equipment and the actual operational parameters that scene is provided are incompatible, in addition carry out solid particle in liquid influences in the deposition of stable section, the problem of causing the inferior separating effect of three phase separator, it make use of pipe characteristic, the density contrast and Dynamic Separation principle of the solid medium of oil gas water quickly realize separation, breaching tradition needs that the way of multi-phase separation could be realized by container, the blast failure mode of pressure vessel is converted into the leakage failure pattern of pressure pipeline, so as to substantially reduce equipment safety management risk.
Description
Technical field
Equipment technical field is used the invention belongs to oil and gas industry and sewage treatment industry etc., and in particular to a kind of oil
The method that air water solid four is separated.
Background technology
As the most of oil fields of China step into middle and later periods exploitation, crude oil water content is improved constantly.On the one hand, it is extraction
Liquid and sewage load are sharply increased, and some process equipments of gathering system can not be met during production requirement, crude oil transmission
The aqueous and total liquid measure increase of crude oil is heated, causes energy consumption to increase considerably；On the other hand, due to tertiary oil recovery technology
Popularization and application and high thick, highly viscous crude exploitation, oil, gas and water, solid separating difficulty increase, particularly the difficulty of sewage disposal
Degree is sharply increased, and the processing equipment solid to oil gas water proposes higher requirement.In addition, the progress exploited with oil field development,
Each original separator of yard does not adapt to actual change due to its design condition and operational factor, it is difficult to reach oil, water separation
It is required that.From the point of view of current domestic each oil field three phase separator service condition, due to the theory of design three phase separator and through identifying
It is inadequate, the difference for situations such as national conditions and factory manufacture in addition, the actual behaviour for often causing three phase separation equipment to be provided with scene
Make that parameter is incompatible, solid particle in liquid is carried out in addition to be influenceed in the deposition of stable section, causes the separating effect of three phase separator
Difference, many three phase separators perform practically no function.In addition, from the point of view of safety management, three phase separator belongs to pressure vessel, itself is deposited
In Mohaupt effect, its failure mode belongs to blast failure.In order to reduce security risk, it is converted into leakage from blast failure and lose
Effect, can energy-conserving and environment-protective, and realize the separating effect of original three phase separator as far as possible, and build and operating cost is compared with original system
The research of low oil gas water solid separation method turns into the task of top priority.
The content of the invention
The purpose of the present invention is overcome in the prior art due to designing the theory of three phase separator and lacking experience, manufacture etc.
The difference of situation so that three phase separation equipment and the actual operational parameters that scene is provided are incompatible, and solid in liquid is carried out in addition
Grain influences in the deposition of stable section, the problem of causing the inferior separating effect of three phase separator.
Therefore, the invention provides the method that a kind of oil gas water solid four is separated, comprising the following steps：1) gas-liquid separation：
Carry out liquid and carry out gas-liquid separation through carrying out the middle part horizontal tube of liquid main pipe line into the T-shaped pipe of one-level, associated gas enters the T-shaped tube top of one-level
The mist eliminator of the horizontal pipe end in portion carries out gas-liquid separation, and the gas after separation enters defeated outside gas pipeline, through the T-shaped pipe of the first order and catches
The liquid that day with fog is separated enters the solid cyclone progress solid-liquor separation of liquid by taking over；2) solid-liquor separation：Through the solid cyclone of liquid
The solid particle separated, enters sand storage tank by adapter, is then discharged through sand discharge pipeline, is separated through the solid cyclone of liquid
Liquid enter the middle part horizontal tubes of two grades of T-shaped pipes by taking over and carry out water-oil separating；3) water-oil separating：Through two grades of T-shaped pipes point
Separate out the oil come to export by the oil pipeline of two grades of T-shaped tube top portion horizontal tubes, the sewage separated through two grades of T-shaped pipes is by two
The pipeline output of the T-shaped bottom of the tube horizontal tube of level.
The described sewage separated through two grades of T-shaped pipes is output to liquid by the pipeline of two grades of T-shaped bottom of the tube horizontal tubes
The vertical cyclone of liquid carries out water-oil separating, and the water up to standard of the vertical cyclone separation of liquid liquid is exported into total outlet pipe line, not up to standard
Sewage enters air buoyancy tank and carries out water-oil separating, and the oil separated through air buoyancy tank is outer defeated after being pooled to oil pipeline, is separated through air buoyancy tank
Water up to standard is pooled to after total outlet pipe line outer defeated.
The T-shaped pipe of described one-level and two grades of T-shaped pipes are made up of upper, middle and lower-ranking horizontal tube and Duo Gen standpipes.
The solid hydrocyclone structure of described liquid is taper or column type, and sand storage tank structure is container pattern or pipe type, air supporting
Case is shaped as square or circle.
The T-shaped pipe of described one-level is provided with gas-liquid interface instrument, temperature monitor and safety valve, and two grades of T-shaped pipes are provided with profit circle
Face instrument, the water lines up to standard of the vertical cyclone of liquid liquid or water pipe not up to standard are provided with flowmeter.
The method gas-liquid separation pipeline that described oil gas water solid four is separated constitutes a skid body or multiple skid bodys, Huo Zhezhi
Connect and build on the ground.
The method that a kind of oil gas water solid four is separated, comprises the following steps：1) solid-liquor separation：Carry out liquid into the solid cyclone of liquid
Solid-liquor separation is carried out, the solid particle separated through the solid cyclone of liquid enters sand storage tank, then through sand discharge pipeline by adapter
Discharge, the middle part horizontal tube that the liquid separated through the solid cyclone of liquid enters the T-shaped pipe of one-level by taking over carries out gas-liquid separation；
2) gas-liquid separation：The mist eliminator that gas through the T-shaped pipe separation of one-level enters the T-shaped horizontal pipe end in tube top portion of one-level carries out gas-liquid point
From the mist eliminator that associated gas enters the T-shaped horizontal pipe end in tube top portion of one-level carries out gas-liquid separation, and the gas after separation enters tracheae
Defeated outside line, the liquid separated through the T-shaped pipe of the first order and mist eliminator is output to liquid liquid by the T-shaped bottom of the tube horizontal tube of one-level and hung down
Straight cyclone carries out water-oil separating；3) water-oil separating：The oil separated through the vertical cyclone of liquid liquid is exported by oil pipeline, is passed through
The water that the vertical cyclone of liquid liquid is separated is exported by total outlet pipe line.
Beneficial effects of the present invention：The side that this oil gas water solid four that this present invention that the present invention is provided is provided is separated
Method, has mainly used the density contrast and Dynamic Separation principle of the solid medium of pipe characteristic, oil gas water quickly to realize separation, has broken through
Traditional needs could realize the way of multi-phase separation by container, and the blast failure mode of pressure vessel is converted into pressure pipe
The leakage failure pattern in road, so as to substantially reduce equipment safety management risk.T types pipe is by horizontal tube and standpipe group in flow
Into solid-liquor separation is to use traditional liquid-solid separation equipment, and the vertical cyclone of liquid liquid uses Chinese Academy of Sciences's current research, and air supporting is used
Each processing section being related in traditional air-float technology technology, flow can realize modularization, can substitute completely traditional
Three phase separation equipment realizes the solid separation requirement of the oil gas water of Oil and gas station, can also shorten manufacture, installation period, reduction manufacture
With management operating cost.
Brief description of the drawings
The present invention is described in further details below with reference to accompanying drawing.
Fig. 1 is the first structural representation of solid four phase separation of oil gas water；
Fig. 2 is oil gas water second of structural representation of solid four phase separation；
Fig. 3 is the third structural representation of solid four phase separation of oil gas water.
Description of reference numerals：1. carry out liquid main pipe line；2. the T-shaped pipe of one-level；3. mist eliminator；4. gas pipeline；5. adapter；6. liquid
Gu cyclone；7. sand storage tank；8. sand discharge pipeline；9. two grades of T-shaped pipes；10. oil pipeline；11. the vertical cyclone of liquid liquid；12. air supporting
Case；13. total outlet pipe line；14. source of the gas.
Embodiment
Embodiment 1：
As shown in figure 1, the method that a kind of oil gas water solid four is separated, comprises the following steps：1) gas-liquid separation：Carry out liquid through coming
The middle part horizontal tube that liquid main pipe line 1 enters the T-shaped pipe 2 of one-level carries out gas-liquid separation, and associated gas enters the top horizontal of one-level T types pipe 2
The mist eliminator 3 of pipe end carries out gas-liquid separation, and the gas after separation enters defeated outside gas pipeline 4, through the T-shaped pipe 2 of the first order and catches mist
The liquid that device 3 is separated enters the solid cyclone 6 of liquid by adapter 5 and carries out solid-liquor separation；2) solid-liquor separation：Through the solid cyclone of liquid
6 solid particles separated, enter sand storage tank 7 by adapter 5, are then discharged through sand discharge pipeline 8, through solid 6 points of the cyclone of liquid
Separate out the middle part horizontal tube progress water-oil separating that the liquid come enters two grades of T-shaped pipes 9 by adapter 5；3) water-oil separating：Through two
The oil that the T-shaped pipe 9 of level is separated is exported by the oil pipeline 12 of two grades of T-shaped top horizontal pipes of pipe 9, is isolated through two grades of T-shaped pipes 9
The sewage come is exported by the pipeline of two grades of T-shaped bottom level pipes of pipe 9.What this oil gas water solid four that the present invention is provided was separated
Method, has mainly used the density contrast and Dynamic Separation principle of the solid medium of pipe characteristic, oil gas water quickly to realize separation, has dashed forward
The way of multi-phase separation could be realized by container by having broken traditional needs, and the blast failure mode of pressure vessel is converted into pressure
The leakage failure pattern of pipeline, so as to substantially reduce equipment safety management risk.
The T-shaped pipe 2 of described one-level and two grades of T-shaped pipes 9 are made up of upper, middle and lower-ranking horizontal tube and Duo Gen standpipes.One-level T
The quantity of type pipe 2 and two grades of T-shaped standpipes of pipe 9 is probably 4 or many, simple in construction, can be adjusted according to actual conditions, behaviour
Facilitate, cost is low.
The solid structure of cyclone 6 of described liquid is taper or column type, and the structure of sand storage tank 4 is container pattern or pipe type, gas
Buoyancy tank 12 is shaped as square or circle.The structure of liquid solid cyclone 6, sand storage tank 4 and air buoyancy tank 12 is carried out according to actual needs
Selection, simple in construction, wide adaptation range, strong operability.
The method gas-liquid separation pipeline that described oil gas water solid four is separated constitutes a skid body or multiple skid bodys, Huo Zhezhi
Connect and build on the ground.Each separate lines can realize modularization, specialized, while Oil, Water, Gas, solid multiphase can be realized
Separation, substitutes traditional three phase separation equipment and realizes the solid separation requirement of the oil gas water of Oil and gas station, can also shorten system completely
Make, installation period, reduction manufacture and management operating cost.
Embodiment 2：
As shown in Fig. 2 on the basis of embodiment 1, the sewage separated through two grades of T-shaped pipes 9 passes through two grades of T
The pipeline of the bottom level pipe of type pipe 9 is output to the vertical cyclone 11 of liquid liquid and carries out water-oil separating, and the vertical cyclone 11 of liquid liquid is separated
Water up to standard exported into total outlet pipe line 13, permitted discharge does not enter air buoyancy tank 12 and carries out water-oil separating, through 12 points of air buoyancy tank
From oil be pooled to after oil pipeline 10 outer defeated, the water up to standard separated through air buoyancy tank 12 is outer defeated after being pooled to total outlet pipe line 13.Gas
Floating to use traditional air-float technology technology, air buoyancy tank 12 is made up of intake antrum, aerating system, oil pocket and water cavity；And aerating system
It is made up of compressor, aerating pipelines and aeration head, all gas are probably air, it is also possible to inert gas；Air buoyancy tank 12 is set
There is two position control, oil passes through oil pump and is pumped into outer defeated pipeline, it is also possible to deliver to the T-shaped tube inlet of the first order, it is also possible to deliver to the
Two grades of T-shaped tube inlets, carry out circular treatment；Water is pumped into water circuit system, the vertical cyclone 11 of liquid liquid and air buoyancy tank 12 by water pump
Depth water-oil separating is further carried out to oil-polluted water, separation accuracy is improved, oil yield is improved, while the water up to standard separated
It can be recycled, improve the utilization rate of resource, it is environmentally friendly.
The T-shaped pipe 2 of described one-level is provided with gas-liquid interface instrument, temperature monitor and safety valve, and two grades of T-shaped pipes 9 are provided with profit
Interface instrument, the water lines up to standard or water pipe not up to standard of the vertical cyclone 11 of liquid liquid are provided with flowmeter.Gas-liquid interface instrument and profit circle
Face instrument can realize oil-water interfaces or gas-liquid interface detection, and for liquid level monitoring and gas-liquid interface analysis, temperature monitor detection is T-shaped
The temperature of pipe 7, safety valve ensures the safe and smooth of gas-liquid pipeline, and gas-liquid interface instrument, temperature monitor and safe valve unit monitoring simultaneously refer to
The gas-liquid separation for completing gas-liquid pipeline is led, the traffic conditions of flowmeter monitoring and statisticses liquid improve accuracy, automaticity
Height is time saving and energy saving.
Embodiment 3：
As shown in figure 3, on the basis of embodiment 1-2, the method that a kind of oil gas water solid four is separated, including following step
Suddenly：1) solid-liquor separation：Carry out liquid and carry out solid-liquor separation into the solid cyclone 6 of liquid, the solid separated through the solid cyclone 6 of liquid
Grain, enters sand storage tank 7 by adapter 5, is then discharged through sand discharge pipeline 8, and the liquid separated through the solid cyclone 6 of liquid passes through
The middle part horizontal tube that adapter 5 enters the T-shaped pipe 11 of one-level carries out gas-liquid separation；2) gas-liquid separation：The gas separated through the T-shaped pipe 2 of one-level
The mist eliminator 3 that body enters the T-shaped top horizontal pipe end of pipe 2 of one-level carries out gas-liquid separation, and associated gas enters the T-shaped top of pipe 2 of one-level
The mist eliminator 3 of horizontal pipe end carries out gas-liquid separation, and the gas after separation enters defeated outside gas pipeline 4, through the T-shaped He of pipe 2 of the first order
The liquid that mist eliminator 3 is separated is output to the vertical cyclone 11 of liquid liquid by the T-shaped bottom level pipe of pipe 2 of one-level and carries out profit point
From；3) water-oil separating：The oil separated through the vertical cyclone 11 of liquid liquid is exported by oil pipeline 12, through the vertical cyclone of liquid liquid
11 water separated are exported by total outlet pipe line 13.The density contrast of the solid medium of pipe characteristic, oil gas water is mainly used
And Dynamic Separation principle quickly realizes separation, breaching tradition needs that the way of multi-phase separation could be realized by container, will
The blast failure mode of pressure vessel is converted into the leakage failure pattern of pressure pipeline, so as to substantially reduce equipment safety management wind
Danger.T-shaped pipe is made up of horizontal tube and standpipe in flow, and solid-liquor separation is to use traditional liquid-solid separation equipment, and liquid liquid is vertical
Cyclone 11 uses each processing section being related in Chinese Academy of Sciences's current research, flow to realize modularization, can replace completely
The solid separation requirement of the oil gas water of Oil and gas station is realized for traditional three phase separation equipment, manufacture, installation period can also be shortened,
Reduction manufacture and management operating cost.
It is exemplified as above be only to the present invention for example, do not constitute the limitation to protection scope of the present invention, it is all
It is to be belonged to the same or analogous design of the present invention within protection scope of the present invention.
Claims (7)
1. the method that a kind of oil gas water solid four is separated, it is characterised in that comprise the following steps：
1) gas-liquid separation：Come the middle part horizontal tube progress gas-liquid separation that liquid enters the T-shaped pipe of one-level (2) through carrying out liquid main pipe line (1), companion
The mist eliminator (3) that anger enters the T-shaped pipe of one-level (2) top horizontal pipe end carries out gas-liquid separation, and the gas after separation enters gas
Defeated outside pipeline (4), the liquid separated through the T-shaped pipe of the first order (2) and mist eliminator (3) enters the solid eddy flow of liquid by taking over (5)
Device (6) carries out solid-liquor separation；
2) solid-liquor separation：The solid particle separated through the solid cyclone (6) of liquid, enters sand storage tank (7), so by taking over (5)
Discharged by sand discharge pipeline (8), the liquid separated through the solid cyclone (6) of liquid enters two grades of T-shaped pipes (9) by taking over (5)
Middle part horizontal tube carry out water-oil separating；
3) water-oil separating：The oil pipeline that the oil separated through two grades of T-shaped pipes (9) passes through two grades of T-shaped pipe (9) top horizontal pipes
(12) export, the sewage separated through two grades of T-shaped pipes (9) is exported by the pipeline of two grades of T-shaped pipe (9) bottom level pipes.
2. the method that oil gas water as claimed in claim 1 solid four is separated, it is characterised in that：It is described through two grades of T-shaped pipes (9)
The sewage separated is output to the vertical cyclone of liquid liquid (11) by the pipeline of two grades of T-shaped pipe (9) bottom level pipes and carries out oil
Water is separated, and the water up to standard of the vertical cyclone of liquid liquid (11) separation is exported into total outlet pipe line (13), and permitted discharge does not enter gas
Buoyancy tank (12) carries out water-oil separating, and the oil separated through air buoyancy tank (12) is outer defeated after being pooled to oil pipeline (10), through air buoyancy tank (12)
It is outer defeated afterwards that the water up to standard of separation is pooled to total outlet pipe line (13).
3. the method that oil gas water as claimed in claim 1 solid four is separated, it is characterised in that：The T-shaped pipe of described one-level (2) and
Two grades of T-shaped pipes (9) are made up of upper, middle and lower-ranking horizontal tube and Duo Gen standpipes.
4. the method that oil gas water as claimed in claim 3 solid four is separated, it is characterised in that：The solid cyclone (6) of described liquid
Structure is taper or column type, and sand storage tank (4) structure is container pattern or pipe type, and being shaped as air buoyancy tank (12) is square or round
Shape.
5. the method that oil gas water as claimed in claim 4 solid four is separated, it is characterised in that：The T-shaped pipe of described one-level (2) is set
There are gas-liquid interface instrument, temperature monitor and safety valve, two grades of T-shaped pipes (9) are provided with oil-water interface tool, the vertical cyclone of liquid liquid (11)
Water lines up to standard or water pipe not up to standard be provided with flowmeter.
6. the method that oil gas water as claimed in claim 5 solid four is separated, it is characterised in that：Solid four phases point of described oil gas water
From method gas-liquid separation pipeline constitute a skid body or multiple skid bodys, or directly build on the ground.
7. the method that a kind of oil gas water solid four is separated, it is characterised in that comprise the following steps：
1) solid-liquor separation：Carry out liquid and carry out solid-liquor separation into the solid cyclone (6) of liquid, through consolidating that the solid cyclone (6) of liquid is separated
Body particle, enters sand storage tank (7) by taking over (5), is then discharged through sand discharge pipeline (8), is separated through the solid cyclone (6) of liquid
Liquid pass through to take over (5) and enter the middle part horizontal tube of the T-shaped pipe of one-level (11) and carry out gas-liquid separation；
2) gas-liquid separation：The gas separated through the T-shaped pipe of one-level (2) enters the mist eliminator of the T-shaped pipe of one-level (2) top horizontal pipe end
(3) gas-liquid separation is carried out, the mist eliminator (3) that associated gas enters the T-shaped pipe of one-level (2) top horizontal pipe end carries out gas-liquid separation,
Gas after separation enters defeated outside gas pipeline (4), and the liquid separated through the T-shaped pipe of the first order (2) and mist eliminator (3) is by one
T-shaped pipe (2) the bottom level pipe of level is output to the vertical cyclone of liquid liquid (11) and carries out water-oil separating；
3) water-oil separating：The oil separated through the vertical cyclone of liquid liquid (11) is exported by oil pipeline (12), vertical through liquid liquid
The water that cyclone (11) is separated is exported by total outlet pipe line (13).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710256639.XA CN107050930B (en) | 2017-04-19 | 2017-04-19 | A kind of method that oil gas water consolidates the separation of four phases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710256639.XA CN107050930B (en) | 2017-04-19 | 2017-04-19 | A kind of method that oil gas water consolidates the separation of four phases |
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| CN107050930A true CN107050930A (en) | 2017-08-18 |
| CN107050930B CN107050930B (en) | 2019-11-15 |
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| CN201710256639.XA Active CN107050930B (en) | 2017-04-19 | 2017-04-19 | A kind of method that oil gas water consolidates the separation of four phases |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109653737A (en) * | 2017-10-11 | 2019-04-19 | 中国石油化工股份有限公司 | Simulate viscous crude heat dissipation law experimental provision |
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| CN106433764A (en) * | 2016-11-02 | 2017-02-22 | 中国石油化工股份有限公司 | Short-process water pre-separation apparatus for oilfield produced fluid |
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| CN101810941A (en) * | 2010-04-13 | 2010-08-25 | 中海石油(中国)有限公司深圳分公司 | Compound oil-water separation system |
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| CN109653737B (en) * | 2017-10-11 | 2024-03-22 | 中国石油化工股份有限公司 | Experimental device for simulating thickened oil heat dissipation law |
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| CN107050930B (en) | 2019-11-15 |
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