CN107654223A - Fire flood air injected system - Google Patents
Fire flood air injected system Download PDFInfo
- Publication number
- CN107654223A CN107654223A CN201711077623.9A CN201711077623A CN107654223A CN 107654223 A CN107654223 A CN 107654223A CN 201711077623 A CN201711077623 A CN 201711077623A CN 107654223 A CN107654223 A CN 107654223A
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- Prior art keywords
- air compressor
- pipeline
- surge tank
- valve
- air
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
- E21B43/243—Combustion in situ
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/166—Injecting a gaseous medium; Injecting a gaseous medium and a liquid medium
- E21B43/168—Injecting a gaseous medium
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- Engineering & Computer Science (AREA)
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- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
This application provides a kind of fire flood air injected system, including：The first air compressor, the first surge tank and the second air compressor being sequentially connected with, the 3rd valve is set between the first surge tank and the first air compressor, the 4th valve is set between the first surge tank and the second air compressor；The 3rd air compressor, the second surge tank and the 4th air compressor being sequentially connected with, the 7th valve is set between the second surge tank and the 3rd air compressor, the 8th valve is set between the second surge tank and the 4th air compressor；First and the 3rd air compressor the port of export between be connected with the first bridge line, thereon set the 9th valve；Second and the 4th air compressor entrance point between be connected with the second bridge line, thereon set the tenth valve, second connect with the port of export of the 4th air compressor inject pipeline.The fire flood air injected system of the application, which can be realized, concentrates gas injection into oil well, and can ensure that gas injection construction is lasting and carry out.
Description
Technical field
The application is related to fire flooding recovery equipment technical field, more particularly to a kind of fire flood air injected system.
Background technology
The description of this part only provides the background information related to disclosure, without forming prior art.
With the continuous expansion of fire flood technology application scale, the injection rate of air also constantly expands therewith, original
Air injection mode is not suitable for existing scale.Scattered construction point personnel are more, are unfavorable for field management, separate unit small size air air pressure
Contracting chance produces house refuse inconvenience processing caused by various oil-polluted waters and Field Force, can bring environment dirty to job site
Dye does not meet current generation requirement.Meanwhile the operation of separate unit mini air compressor is unfavorable for the special maintenance of field apparatus, having must
Take and concentrate gas injection measure, to reduce live scattered construction point, reduce the difficulty of field management.
In addition, using the gas injection pattern of separate unit mini air compressor, the interruption for easily causing gas injection to be constructed.Specifically,
When separate unit mini air compressor breaks down, gas injection construction will accordingly stop, and influence the lasting progress of gas injection.
It should be noted that the introduction to technical background above be intended merely to the convenient technical scheme to the application carry out it is clear,
Complete explanation, and facilitate the understanding of those skilled in the art and illustrate.Can not merely because these schemes the application's
Background section is set forth and thinks that above-mentioned technical proposal is known to those skilled in the art.
The content of the invention
Based on foregoing prior art defect, this application provides a kind of fire flood air injected system, and it can be real
Gas injection is now concentrated into oil well, and the progress that gas injection construction can continue can be ensured.
To achieve these goals, this application provides following technical scheme.
A kind of fire flood air injected system, including：
First air compressor；
First surge tank, first surge tank is connected by pipeline with first air compressor, described in connection
First surge tank on the pipeline of first air compressor with being provided with the 3rd valve；
Second air compressor, second air compressor are connected by pipeline with first surge tank, connection
First surge tank on the pipeline of second air compressor with being provided with the 4th valve；
3rd air compressor；
Second surge tank, second surge tank is connected by pipeline with the 3rd air compressor, described in connection
Second surge tank on the pipeline of the 3rd air compressor with being provided with the 7th valve；
4th air compressor, the 4th air compressor are connected by pipeline with second surge tank, connection
Second surge tank on the pipeline of the 4th air compressor with being provided with the 8th valve；
First bridge line, described first bridge line one end connects the port of export of first air compressor, another
End connects the port of export of the 3rd air compressor, and the 9th valve is set in first bridge line；
Second bridge line, described second bridge line one end connects the entrance point of second air compressor, another
End connects the entrance point of the 4th air compressor, and the tenth valve is set in second bridge line；
Inject pipeline, one end and second air compressor of the injection pipeline and the 4th air compressor
The port of export is connected, and the other end can be connected with well mouth of oil well.
Preferably, the fire flood air injected system also includes：First oil removing pot and the first desiccant canister, described first
The hygroscopic agent to moisture content in absorption air is provided with desiccant canister, first oil removing pot is connected to first sky by pipeline
Between air compressor and first surge tank, first desiccant canister is connected to first oil removing pot and described by pipeline
Between first surge tank, first air compressor is connected with being provided with the first valve on the pipeline of first oil removing pot,
First oil removing pot is connected with being provided with the second valve on the pipeline of first desiccant canister.
Preferably, the fire flood air injected system also includes：Second oil removing pot and the second desiccant canister, described second
The hygroscopic agent to moisture content in absorption air is provided with desiccant canister, second oil removing pot is connected to the 3rd sky by pipeline
Between air compressor and second surge tank, second desiccant canister is connected to second oil removing pot and described by pipeline
Between second surge tank, the 3rd air compressor is connected with being provided with the 5th valve on the pipeline of second oil removing pot,
Second oil removing pot is connected with being provided with the 6th valve on the pipeline of second desiccant canister.
Preferably, the quantity of the injection pipeline is multiple that multiple ascending pipe line parallels are set；Each injection
Bypass flow meter and branch road check valve and two the 11st valves are provided with pipeline, the branch road check valve flows along gas
Direction is located at the downstream of the bypass flow meter, and one of them described 11st valve is located at the branch road along gas flow direction
The upstream of flowmeter, another described 11st valve are located at the downstream of the branch road check valve along gas flow direction.
Preferably, multiple injection pipelines in parallel pass through main line pipeline and second air compressor and described the
The port of export of four air compressors is connected, and main line flowmeter and main line check valve, the main line are set on the main line pipeline
Check valve is located at the upstream of the main line flowmeter along gas flow direction.
Preferably, the 3rd surge tank is provided with the main line pipeline, the 3rd surge tank is located at the main line flow
Between meter and the main line check valve.
A kind of fire flood air injected system, including：
First air compressor；
First oil removing pot, first oil removing pot is connected by pipeline with first air compressor, described in connection
First air compressor on the pipeline of first oil removing pot with being provided with the first valve；
First desiccant canister, the interior hygroscopic agent being provided with to moisture content in absorption air of first desiccant canister, described first removes
Wet tank is connected by pipeline with first oil removing pot, on the pipeline for connecting first oil removing pot and first desiccant canister
It is provided with the second valve；
First surge tank, first surge tank are connected by pipeline with first desiccant canister, connection described first
Surge tank on the pipeline of first oil removing pot with being provided with the 3rd valve；
Second air compressor, second air compressor are connected by pipeline with first surge tank, connection
First surge tank on the pipeline of second air compressor with being provided with the 4th valve；
3rd air compressor；
Second oil removing pot, second oil removing pot is connected by pipeline with the 3rd air compressor, described in connection
3rd air compressor on the pipeline of second oil removing pot with being provided with the 5th valve；
Second desiccant canister, the interior hygroscopic agent being provided with to moisture content in absorption air of second desiccant canister, described second removes
Wet tank is connected by pipeline with second oil removing pot, on the pipeline for connecting second oil removing pot and second desiccant canister
It is provided with the 6th valve；
Second surge tank, second surge tank are connected by pipeline with second desiccant canister, connection described second
Surge tank on the pipeline of second oil removing pot with being provided with the 7th valve；
4th air compressor, the 4th air compressor are connected by pipeline with second surge tank, connection
Second surge tank on the pipeline of the 4th air compressor with being provided with the 8th valve；
First bridge line, described first bridge line one end connects the port of export of first air compressor, another
End connects the port of export of the 3rd air compressor, and the 9th valve is set in first bridge line；
Second bridge line, described second bridge line one end connects the entrance point of second air compressor, another
End connects the entrance point of the 4th air compressor, and the tenth valve is set in second bridge line；
Inject pipeline, one end and second air compressor of the injection pipeline and the 4th air compressor
The port of export is connected, and the other end can be connected with well mouth of oil well.
Preferably, the quantity of the injection pipeline is multiple that multiple ascending pipe line parallels are set；Each injection
Bypass flow meter and branch road check valve and two the 11st valves are provided with pipeline, the branch road check valve flows along gas
Direction is located at the downstream of the bypass flow meter, and one of them described 11st valve is located at the branch road along gas flow direction
The upstream of flowmeter, another described 11st valve are located at the downstream of the branch road check valve along gas flow direction.
Preferably, multiple injection pipelines in parallel pass through main line pipeline and second air compressor and described the
The port of export of four air compressors is connected, and main line flowmeter and main line check valve, the main line are set on the main line pipeline
Check valve is located at the upstream of the main line flowmeter along gas flow direction.
Preferably, the 3rd surge tank is provided with the main line pipeline, the 3rd surge tank is located at the main line flow
Between meter and the main line check valve.
Preferably, the fire flood air injected system also includes：Blow-down tank, the blow-down tank by pipeline respectively with
First air compressor, the second air compressor, the first oil removing pot, the second oil removing pot, the first desiccant canister, the second dehumidifying
Tank, the first surge tank, the second surge tank and the 3rd surge tank are connected.
Preferably, the fire flood air injected system also includes：Blowdown drum, the blowdown drum by pipeline respectively with
First air compressor, the second air compressor, the first oil removing pot, the second oil removing pot, the first desiccant canister, the second dehumidifying
Tank, the first surge tank, the second surge tank and the 3rd surge tank are connected.
Technical scheme more than, the beneficial effect of the application are：The fire flood air of the application embodiment
Injected system, by setting two air injection branches, one of air injection branch includes what is be sequentially connected with by pipeline
First air compressor and the first surge tank, another air injection branch include the second air pressure being sequentially connected with by pipeline
Contracting machine and the second surge tank, and the first air compressor port of export and the 3rd air compressor port of export are connected respectively by setting
The first bridge line, and connection the second air compressor port of export and the 4th air compressor port of export the second bridge pipe
Line, so as to form the first air compressor and the first surge tank, the first air compressor and the second surge tank, the second air
Compressor and the first surge tank and the second air compressor and the second surge tank amount to four air injection paths, so as to first
Any one in air compressor and the second air compressor can normal work, the 3rd air compressor and the 4th air compressor
In any one can normal work, you can make to have in above-mentioned four air injection path it is at least one can with normal operation, and then
Air injection work is completed into oil well by injecting pipeline, ensure that the progress that gas injection construction can continue to greatest extent.
Thus, the application embodiment fire flood air injected system set multistation injection gas air compressor with
And the equipment such as surge tank, and be arranged in parallel the said equipment by pipeline, gas injection is concentrated into oil well so as to realize, is reduced
The scattered construction point in scene, reduce the difficulty of field management.
Other application field will become obvious according to description provided herein.The description of present invention and specifically show
Example is only intended to the purpose illustrated, it is not intended that limitation the scope of the present invention.
Brief description of the drawings
Accompanying drawing described here is only used for task of explanation, and is not intended in any way to limit model disclosed in the present application
Enclose.In addition, shape and proportional sizes of each part in figure etc. are only schematical, the understanding to the application is used to help, and
It is not the specific shape and proportional sizes for limiting each part of the application.Those skilled in the art, can under teachings of the present application
To select various possible shapes and proportional sizes to implement the application as the case may be.In the accompanying drawings：
Fig. 1 is the fire flood air injected system structural representation of the application embodiment.
Embodiment
It should be noted that when a parts are referred to as " being arranged at " another parts, it can be directly another
On individual parts or there may also be parts placed in the middle.When a parts are considered as " connection " another parts,
It can be directly to another parts or may be simultaneously present parts placed in the middle.Term as used herein " is hung down
Directly ", " level ", "left", "right" and similar statement are for illustrative purposes based on Figure of description, are not offered as being only
One embodiment.
Unless otherwise defined, all of technologies and scientific terms used here by the article and the technical field of the application is belonged to
The implication that technical staff is generally understood that is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term as used herein "and/or" includes one or more
The arbitrary and all combination of related Listed Items.
As shown in figure 1, a kind of fire flood air injected system of the application embodiment, it can include：First is empty
Air compressor 1；First surge tank 4, first surge tank 4 are connected by pipeline with first air compressor 1, connection
First surge tank 4 on the pipeline of first air compressor 1 with being provided with the 3rd valve V3；Second air compressor 5,
Second air compressor 5 is connected by pipeline with first surge tank 4, connect first surge tank 4 with it is described
The 4th valve V4 is provided with the pipeline of second air compressor 5；3rd air compressor 6；Second surge tank 9, described second
Surge tank 9 is connected by pipeline with the 3rd air compressor 6, connects second surge tank 9 and the 3rd air
The 7th valve V7 is provided with the pipeline of compressor 6；4th air compressor 10, the 4th air compressor 10 pass through pipeline
It is connected with second surge tank 9, connects second surge tank 9 with being set on the pipeline of the 4th air compressor 10
There is the 8th valve V8；First bridge line 11, described one end of first bridge line 11 connect going out for first air compressor 1
Mouth end, the other end connect the port of export of the 3rd air compressor 6, the 9th valve are set in first bridge line 11
V9；Second bridge line 12, described one end of second bridge line 12 connects the entrance point of second air compressor 5, another
End connects the entrance point of the 4th air compressor 10, and the tenth valve V10 is set in second bridge line 12；Ascending pipe
Line 13, one end of the injection pipeline 13 and second air compressor 5 and the port of export of the 4th air compressor 10
It is connected, the other end can be connected with well mouth of oil well.
The fire flood air injected system of the application embodiment, by setting two air injection branches, wherein one
Individual air injection branch includes the first air compressor 1 and the first surge tank 4 being sequentially connected with by pipeline, another air note
Entering branch road includes the second air compressor 5 and the second surge tank 9 that are sequentially connected with by pipeline, and connects the respectively by setting
First bridge line 11 of the port of export of one air compressor 1 and the port of export of the 3rd air compressor 6, and the second air pressure of connection
Second bridge line 12 of the port of export of contracting machine 5 and the port of export of the 4th air compressor 10, so as to form the compression of the first air
The surge tank 4 of machine 1 and first, the first air compressor 1 and the second surge tank 9, the second air compressor 5 and the first surge tank 4 with
And second air compressor 5 and the second surge tank 9 amount to four air injection paths, so as to the first air compressor 1 and second
Any one in air compressor 5 can normal work, any one energy in the 3rd air compressor 6 and the 4th air compressor 10
Normal work, you can make to have in above-mentioned four air injection path it is at least one can be with normal operation, and then by injecting pipeline
13 complete air injection work into oil well, ensure that the progress that gas injection construction can continue to greatest extent.
Thus, the application embodiment fire flood air injected system set multistation injection gas air compressor with
And the equipment such as surge tank, and be arranged in parallel the said equipment by pipeline, gas injection is concentrated into oil well so as to realize, is reduced
The scattered construction point in scene, reduce the difficulty of field management.
In the present embodiment, it is subordinate to the first air compressor 1 on same air injection branch and the compression of the second air
The rated operating pressure of machine 5 is different.Likewise, the 3rd air compressor 6 and the 4th being subordinate on another air injection branch
The rated operating pressure of air compressor 10 is also different.Specifically, the volume of the first air compressor 1 and the 3rd air compressor 6
Determine that operating pressure is identical, the 3rd air compressor 6 is identical with the nominal operation of the 4th air compressor 10, and the first air compresses
The rated operating pressure of the air compressor 6 of machine 1 and the 3rd is less than the specified of the second air compressor 5 and the 4th air compressor 10
Operating pressure.In short, the first air compressor 1 and the 3rd air compressor 6 are low pressure air compressor, and the second air pressure
The air compressor 10 of contracting machine 5 and the 4th is High-Pressure Compressor.Pass through the rated operating pressure to above-mentioned air compressor
Design is chosen, the air in same air injection branch can be pressurized step by step.
In the present embodiment, the first surge tank 4 and the second surge tank 9 can be in the corresponding air injection branches of buffering
Pressure oscillation, make the work of air injection branch more steady.
In one embodiment, the fire flood air injected system also includes：First oil removing pot 2 and the first dehumidifying
Tank 3, be provided with first desiccant canister 3 (such as can be silica gel, aluminum oxide, divide to the hygroscopic agent of moisture content in absorption air
Son sieve etc.), first oil removing pot 2 by pipeline be connected to first air compressor 1 and first surge tank 4 it
Between, first desiccant canister 3 is connected between first oil removing pot 2 and first surge tank 4 by pipeline, described in connection
First air compressor 1 connects first oil removing pot 2 with being provided with the first valve V1 on the pipeline of first oil removing pot 2
With being provided with the second valve V2 on the pipeline of first desiccant canister 3.
Likewise, in one embodiment, the fire flood air injected system also includes：The He of second oil removing pot 7
Second desiccant canister 8, the interior hygroscopic agent being provided with to moisture content in absorption air of second desiccant canister 8, second oil removing pot 7 are logical
Cross pipeline to be connected between the 3rd air compressor 6 and second surge tank 9, second desiccant canister 8 passes through pipeline
It is connected between second oil removing pot 7 and second surge tank 9, connects the 3rd air compressor 6 and described second
The 5th valve V5 is provided with the pipeline of oil removing pot 7, on the pipeline for connecting second oil removing pot 7 and second desiccant canister 8
It is provided with the 6th valve V6.
By setting the first oil removing pot 2, the first desiccant canister 3, the second oil removing pot 7 and the second desiccant canister 8, carrying can be removed
Oil and moisture aerial, in gaseous state shape, so as to which air is dried.
In one embodiment, the quantity of the injection pipeline 13 is multiple that multiple injection parallel connections of pipeline 13 are set
Put；Bypass flow meter 14 and branch road check valve 15 and two the 11st valve V11 are provided with each injection pipeline 13,
The branch road check valve 15 is located at the downstream of the bypass flow meter 14, one of them described 11st valve along gas flow direction
Door V11 is located at the upstream of the bypass flow meter 14 along gas flow direction, and another described 11st valve V11 is along gas stream
Dynamic direction is located at the downstream of the branch road check valve 15.
By setting multiple injection pipelines 13 being arranged in parallel, then multiple injection pipelines 13 can be standby without mutual each other
Mutually influence, thereby may be ensured that being normally carried out for gas injection operation.Also, multiple injection pipelines 13 in parallel are set, can be once
Property realize that the gas injection to more mouthfuls of oil wells operates, substantially increase the efficiency of gas injection construction.
In one embodiment, multiple injection pipelines 13 in parallel pass through main line pipeline 16 and second air
Compressor 5 is connected with the port of export of the 4th air compressor 10, and main line flowmeter 17 is set on the main line pipeline 16
With main line check valve 18, the main line check valve 18 is located at the upstream of the main line flowmeter 17 along gas flow direction.
In one embodiment, the 3rd surge tank 19, the 3rd surge tank 19 are provided with the main line pipeline 16
Between the main line flowmeter 17 and the main line check valve 18.
By setting branch road check valve 15 and main line check valve on each injection pipeline 13 and main line pipeline 16 respectively
18, air can be avoided to be driven in the wrong direction from oil well, protect each equipment in the application fire flood air injected system to greatest extent
Safety.
As shown in figure 1, a kind of fire flood air injected system that another embodiment of the application provides, it can be wrapped
Include：First air compressor 1；First oil removing pot 2, first oil removing pot 2 pass through pipeline and the phase of the first air compressor 1
Connection, first air compressor 1 is connected with being provided with the first valve V1 on the pipeline of first oil removing pot 2；First removes
Wet tank 3, the interior hygroscopic agent being provided with to moisture content in absorption air of first desiccant canister 3, first desiccant canister 3 pass through pipeline
It is connected with first oil removing pot 2, connects first oil removing pot 2 with being provided with the on the pipeline of first desiccant canister 3
Two valve V2；First surge tank 4, first surge tank 4 is connected by pipeline with first desiccant canister 3, described in connection
First surge tank 4 on the pipeline of first oil removing pot 2 with being provided with the 3rd valve V3；Second air compressor 5, described second
Air compressor 5 is connected by pipeline with first surge tank 4, connects first surge tank 4 and second air
The 4th valve V4 is provided with the pipeline of compressor 5；3rd air compressor 6；Second oil removing pot 7, second oil removing pot 7 are logical
Cross pipeline with the 3rd air compressor 6 to be connected, connect the 3rd air compressor 6 and second oil removing pot 7
The 5th valve V5 is provided with pipeline；Second desiccant canister 8, second desiccant canister 8 is interior to be provided with to moisture content in absorption air
Hygroscopic agent, second desiccant canister 8 are connected by pipeline with second oil removing pot 7, connect second oil removing pot 7 and institute
State and be provided with the 6th valve V6 on the pipeline of the second desiccant canister 8；Second surge tank 9, second surge tank 9 pass through pipeline and institute
State the second desiccant canister 8 to be connected, connect second surge tank 9 with being provided with the 7th valve on the pipeline of second oil removing pot 7
Door V7；4th air compressor 10, the 4th air compressor 10 are connected by pipeline with second surge tank 9, even
Second surge tank 9 is connect with being provided with the 8th valve V8 on the pipeline of the 4th air compressor 10；First bridge line
11, described one end of first bridge line 11 connects the port of export of first air compressor 1, and other end connection the described 3rd is empty
The port of export of air compressor 6, the 9th valve V9 is set in first bridge line 11；Second bridge line 12, described second
The one end of bridge line 12 connects the entrance point of second air compressor 5, and the other end connects the 4th air compressor 10
Entrance point, the tenth valve V10 is set in second bridge line 12；Inject pipeline 13, one end of the injection pipeline 13
It is connected with the port of export of second air compressor 5 and the 4th air compressor 10, other end energy and well mouth of oil well
It is connected.
Compared to the fire flood air injected system of a upper embodiment, the fire flood air of present embodiment injects
System is additionally arranged the first oil removing pot 2, the first desiccant canister 3, the second oil removing pot 7 and the second desiccant canister 8, makes finally to be injected into oil well
Air more dry, so as to gas injection better quality, steam injection efficiency is more preferably.
In one embodiment, the quantity of the injection pipeline 13 is multiple that multiple injection parallel connections of pipeline 13 are set
Put；Bypass flow meter 14, branch road check valve 15 and two the 11st valve V11 are provided with each injection pipeline 13,
The branch road check valve 15 is located at the downstream of the bypass flow meter 14, one of them described 11st valve along gas flow direction
Door V11 is located at the upstream of the bypass flow meter 14 along gas flow direction, and another described 11st valve V11 is along gas stream
Dynamic direction is located at the downstream of the branch road check valve 15.
In one embodiment, multiple injection pipelines 13 in parallel pass through main line pipeline 16 and second air
Compressor 5 is connected with the port of export of the 4th air compressor 10, and main line flowmeter 17 is set on the main line pipeline 16
With main line check valve 18, the main line check valve 18 is located at the upstream of the main line flowmeter 17 along gas flow direction.
In one embodiment, the 3rd surge tank 19, the 3rd surge tank 19 are provided with the main line pipeline 16
Between the main line flowmeter 17 and the main line check valve 18.
Above-mentioned embodiment can be found in described above, and therefore not to repeat here by the application.
In one embodiment, the fire flood air injected system can also include：Blow-down tank 20, the emptying
Tank 20 by pipeline respectively with first air compressor 1, the second air compressor 5, the first oil removing pot 2, the second oil removing pot
7th, the first desiccant canister 3, the second desiccant canister 8, the first surge tank 4, the second surge tank 9 are connected with the 3rd surge tank 19.
Blow-down tank 20 can collect the first air compressor 1, the second air compressor 5, the first oil removing pot 2, the second oil removing
When tank 7, the first desiccant canister 3, the second desiccant canister 8, the first surge tank 4, the second surge tank 9 and the 3rd 19 pressure release of surge tank, air
The oil water mixture of middle carrying, while can also avoid producing larger noise when gas pressure discharges, than avoiding noise pollution.
Meanwhile blow-down pipe can be opened when the oil water mixture being collected into condenses and reaches certain liquid level, to realize liquid dirt
Focus on.
In one embodiment, the fire flood air injected system can also include：Blowdown drum 21, the blowdown
Tank 21 by pipeline respectively with first air compressor 1, the second air compressor 5, the first oil removing pot 2, the second oil removing pot
7th, the first desiccant canister 3, the second desiccant canister 8, the first surge tank 4, the second surge tank 9 are connected with the 3rd surge tank 19.
Blowdown drum 21 can collect the first air compressor 1, the second air compressor 5, the first oil removing pot 2, the second oil removing
Tank 7, the first desiccant canister 3, the second desiccant canister 8, the first surge tank 4, the second surge tank 9 and the liquid of the 3rd surge tank 19 discharge are dirty
Thing, and opened when the liquid dirt being collected into reaches certain liquid level, to realize focusing on for liquid dirt.The He of blow-down tank 20
The discharge of blowdown drum 21 can be that self-timing controls, and can also manually control, according to live needs.
It should be noted that the said equipment included by the fire flood air injected system of the application embodiment
To use any appropriate existing construction, the application is not construed as limiting to this.
The operation principle of the fire flood air injected system of the application embodiment is described below.
As shown in figure 1, during work, the outlet of corresponding blow-down tank 20 and blowdown drum 21 is first closed.Start one of empty
Gas injection branch performs air injection operation.For example, opening the first valve V1, the second valve V2, the 3rd valve V3, the 4th is closed
Valve V4.And all valves (the 5th valve V5, the 6th valve V6, the 7th valve V7 and on another air injection branch
Eight valve V8) it is turned off, while in the first bridge line 11 and the second bridge line 12 of two air injection branches of connection
9th valve V9 and the tenth valve V10 are also switched off.Then, the first air compressor 1, the 3rd air compressor 6 and the 4th are started
Air compressor 10 is closed, and when the gas pressure in the first surge tank 4 reaches the startup pressure of the second air compressor 5, is opened
Dynamic second air compressor 5, while the 11st valve V11 for leading to well head is opened.Branch road check valve 15 and main line check valve 18
When can be to prevent from shutting down, the air blow back in well head pipeline be into the second air compressor 5, to ensure the safety of the system,
So as to realize that air injects construction operation.
Can not normal work such as any one device damage in the current air injection branch for performing air injection operation
When making, it can aid in completing by another air injection branch empty by opening the 9th valve V9 and/or the tenth valve V10
Gas injects operation, thereby may be ensured that the progress that gas injection construction can continue, is gained time to site examining and repairing work, improve sky
The reliability of gas injected system.
It should be noted that in the description of the present application, term " first ", " second " etc. are only used for describing purpose and difference
Similar object, between the two and sequencing is not present, can not be interpreted as indicating or implying relative importance.In addition,
In the description of the present application, unless otherwise indicated, " multiple " are meant that two or more.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouch
State, many embodiments and many applications outside the example provided all will be aobvious and easy for a person skilled in the art
See.Therefore, the scope of this teaching should not determine with reference to foregoing description, but should with reference to preceding claims and this
The four corner of the equivalent that a little claims are possessed determines.Theme disclosed herein is omitted in preceding claims
Any aspect is not intended to abandon the body matter, also should not be considered as applicant the theme is not thought of as it is disclosed
Apply for a part for theme.
Claims (12)
- A kind of 1. fire flood air injected system, it is characterised in that including：First air compressor；First surge tank, first surge tank are connected by pipeline with first air compressor, connection described first Surge tank on the pipeline of first air compressor with being provided with the 3rd valve；Second air compressor, second air compressor is connected by pipeline with first surge tank, described in connection First surge tank on the pipeline of second air compressor with being provided with the 4th valve；3rd air compressor；Second surge tank, second surge tank are connected by pipeline with the 3rd air compressor, connection described second Surge tank on the pipeline of the 3rd air compressor with being provided with the 7th valve；4th air compressor, the 4th air compressor is connected by pipeline with second surge tank, described in connection Second surge tank on the pipeline of the 4th air compressor with being provided with the 8th valve；First bridge line, described first bridge line one end connect the port of export of first air compressor, and the other end connects The port of export of the 3rd air compressor is connect, the 9th valve is set in first bridge line；Second bridge line, described second bridge line one end connect the entrance point of second air compressor, and the other end connects The entrance point of the 4th air compressor is connect, the tenth valve is set in second bridge line；Inject pipeline, one end and the outlet of second air compressor and the 4th air compressor of the injection pipeline End is connected, and the other end can be connected with well mouth of oil well.
- 2. fire flood air injected system as claimed in claim 1, it is characterised in that the fire flood air injection system System also includes：First oil removing pot and the first desiccant canister, the interior moisture absorption being provided with to moisture content in absorption air of first desiccant canister Agent, first oil removing pot are connected between first air compressor and first surge tank by pipeline, and described One desiccant canister is connected between first oil removing pot and first surge tank by pipeline, connects the first air compression Machine connects first oil removing pot and first desiccant canister with being provided with the first valve on the pipeline of first oil removing pot The second valve is provided with pipeline.
- 3. fire flood air injected system as claimed in claim 1, it is characterised in that the fire flood air injection system System also includes：Second oil removing pot and the second desiccant canister, the interior moisture absorption being provided with to moisture content in absorption air of second desiccant canister Agent, second oil removing pot are connected between the 3rd air compressor and second surge tank by pipeline, and described Two desiccant canisters are connected between second oil removing pot and second surge tank by pipeline, connect the 3rd air compression Machine connects second oil removing pot and second desiccant canister with being provided with the 5th valve on the pipeline of second oil removing pot The 6th valve is provided with pipeline.
- 4. fire flood air injected system as claimed in claim 1, it is characterised in that the quantity of the injection pipeline is more Individual, multiple ascending pipe line parallels are set；Bypass flow meter and branch road check valve are provided with each injection pipeline With two the 11st valves, the branch road check valve is located at the downstream of the bypass flow meter along gas flow direction, wherein one Individual 11st valve is located at the upstream of the bypass flow meter along gas flow direction, another described 11st valve edge Gas flow direction is located at the downstream of the branch road check valve.
- 5. fire flood air injected system as claimed in claim 4, it is characterised in that multiple injection pipelines in parallel It is connected by main line pipeline with the port of export of second air compressor and the 4th air compressor, the main line pipe Main line flowmeter and main line check valve, the main line check valve is set to be located at the main line flowmeter along gas flow direction on line Upstream.
- 6. fire flood air injected system as claimed in claim 5, it is characterised in that is provided with the main line pipeline Three surge tanks, the 3rd surge tank is between the main line flowmeter and the main line check valve.
- A kind of 7. fire flood air injected system, it is characterised in that including：First air compressor；First oil removing pot, first oil removing pot are connected by pipeline with first air compressor, connection described first Air compressor on the pipeline of first oil removing pot with being provided with the first valve；First desiccant canister, the interior hygroscopic agent being provided with to moisture content in absorption air of first desiccant canister, first desiccant canister It is connected by pipeline with first oil removing pot, connects first oil removing pot with being set on the pipeline of first desiccant canister There is the second valve；First surge tank, first surge tank are connected by pipeline with first desiccant canister, connection first buffering Tank on the pipeline of first oil removing pot with being provided with the 3rd valve；Second air compressor, second air compressor is connected by pipeline with first surge tank, described in connection First surge tank on the pipeline of second air compressor with being provided with the 4th valve；3rd air compressor；Second oil removing pot, second oil removing pot are connected by pipeline with the 3rd air compressor, connection the described 3rd Air compressor on the pipeline of second oil removing pot with being provided with the 5th valve；Second desiccant canister, the interior hygroscopic agent being provided with to moisture content in absorption air of second desiccant canister, second desiccant canister It is connected by pipeline with second oil removing pot, connects second oil removing pot with being set on the pipeline of second desiccant canister There is the 6th valve；Second surge tank, second surge tank are connected by pipeline with second desiccant canister, connection second buffering Tank on the pipeline of second oil removing pot with being provided with the 7th valve；4th air compressor, the 4th air compressor is connected by pipeline with second surge tank, described in connection Second surge tank on the pipeline of the 4th air compressor with being provided with the 8th valve；First bridge line, described first bridge line one end connect the port of export of first air compressor, and the other end connects The port of export of the 3rd air compressor is connect, the 9th valve is set in first bridge line；Second bridge line, described second bridge line one end connect the entrance point of second air compressor, and the other end connects The entrance point of the 4th air compressor is connect, the tenth valve is set in second bridge line；Inject pipeline, one end and the outlet of second air compressor and the 4th air compressor of the injection pipeline End is connected, and the other end can be connected with well mouth of oil well.
- 8. fire flood air injected system as claimed in claim 7, it is characterised in that the quantity of the injection pipeline is more Individual, multiple ascending pipe line parallels are set；Bypass flow meter and branch road check valve are provided with each injection pipeline With two the 11st valves, the branch road check valve is located at the downstream of the bypass flow meter along gas flow direction, wherein one Individual 11st valve is located at the upstream of the bypass flow meter along gas flow direction, another described 11st valve edge Gas flow direction is located at the downstream of the branch road check valve.
- 9. fire flood air injected system as claimed in claim 8, it is characterised in that multiple injection pipelines in parallel It is connected by main line pipeline with the port of export of second air compressor and the 4th air compressor, the main line pipe Main line flowmeter and main line check valve, the main line check valve is set to be located at the main line flowmeter along gas flow direction on line Upstream.
- 10. fire flood air injected system as claimed in claim 9, it is characterised in that be provided with the main line pipeline 3rd surge tank, the 3rd surge tank is between the main line flowmeter and the main line check valve.
- 11. fire flood air injected system as claimed in claim 10, it is characterised in that the fire flood air injection System also includes：Blow-down tank, the blow-down tank by pipeline respectively with first air compressor, the second air compressor, First oil removing pot, the second oil removing pot, the first desiccant canister, the second desiccant canister, the first surge tank, the second surge tank and the 3rd surge tank It is connected.
- 12. fire flood air injected system as claimed in claim 7, it is characterised in that the fire flood air injection System also includes：Blowdown drum, the blowdown drum by pipeline respectively with first air compressor, the second air compressor, First oil removing pot, the second oil removing pot, the first desiccant canister, the second desiccant canister, the first surge tank, the second surge tank and the 3rd surge tank It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711077623.9A CN107654223B (en) | 2017-11-06 | 2017-11-06 | Fire flood air injected system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711077623.9A CN107654223B (en) | 2017-11-06 | 2017-11-06 | Fire flood air injected system |
Publications (2)
| Publication Number | Publication Date |
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| CN107654223A true CN107654223A (en) | 2018-02-02 |
| CN107654223B CN107654223B (en) | 2019-11-08 |
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| CN201711077623.9A Active CN107654223B (en) | 2017-11-06 | 2017-11-06 | Fire flood air injected system |
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| CN107654223B (en) | 2019-11-08 |
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