CN206016788U - Gas injection system - Google Patents
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- CN206016788U CN206016788U CN201620911759.XU CN201620911759U CN206016788U CN 206016788 U CN206016788 U CN 206016788U CN 201620911759 U CN201620911759 U CN 201620911759U CN 206016788 U CN206016788 U CN 206016788U
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- 238000002347 injection Methods 0.000 title claims abstract description 94
- 239000007924 injection Substances 0.000 title claims abstract description 94
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 137
- 238000000034 method Methods 0.000 claims description 28
- 238000001816 cooling Methods 0.000 claims description 21
- 230000006835 compression Effects 0.000 claims description 16
- 238000007906 compression Methods 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 239000000725 suspension Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 description 13
- 238000002791 soaking Methods 0.000 description 13
- 238000010276 construction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000006479 redox reaction Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004401 flow injection analysis Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a gas injection system. This gas injection system includes: the device comprises a gas supply system for providing a maximum exhaust pressure of 50 MPa, a flow dividing system for monitoring flow dividing to meet the requirement of gas injection flow, and a high-pressure gas injection system for injecting gas into an injection-production integrated wellhead, wherein the input end of the flow dividing system and the input end of the high-pressure gas injection system are connected with the output end of the gas supply system. The utility model discloses a reposition of redundant personnel system monitors the technical scheme that the reposition of redundant personnel flow reaches the gas injection demand, has realized the gas injection demand of the different stages of ultra-deep viscous crude fire huff and puff/fireflood development.
Description
Technical field
This utility model is related to oil exploitation technology, more particularly to a kind of gas injection suitable for combustion soaking/fireflood exploitation
System.
Background technology
The principle of viscous crude combustion soaking/fireflood exploitation be from compress air supply system of compressor to well in be continuously injected into air, pass through
Shaft bottom electric igniter heating air to 550 DEG C, can light target oil reservoir, and then cause target when air reaches target oil reservoir
There is redox reaction with the oxygen in air in oil reservoir, in the process, constantly inject air to target oil reservoir to maintain
The carrying out of redox reaction；Target oil reservoir can discharge huge heat when carrying out redox reaction, and constantly remote to oil reservoir
End transmission heat and driving energy, so that reach the purpose for improving thick oil recovery ratio.
The gas injection of ultra-deep viscous crude combustion soaking/fireflood exploitation is divided into several stages, the gas flow in these stages from
5000Nm3/ d to 30000Nm3/ d is changed stepwise, and well head pressure is changed stepwise from 0～50 MPa (MPa), wherein, Nm3Refer to 0
The gas volume of degree Celsius of 1 standard atmosphere pressure, d represent daily.Current air insufflation techiques gas injection pressure is little, it is impossible to demand
Gas flow is precisely controlled, therefore, needs a kind of gas injection system that can adjust gas flow according to demand of research badly to meet ultra-deep
The gas injection demand of different phase is developed in viscous crude combustion soaking/fireflood.
Utility model content
For the defect of existing gas injection system, this utility model provides a kind of gas injection system, to meet ultra-deep viscous crude baked wheaten cake
Handle up/fireflood develop different phase gas injection demand.
This utility model provides a kind of gas injection system.The gas injection system includes：For providing maximum pressure at expulsion for 50,000,000
The air supply system of handkerchief high-pressure air source, the separate system of gas flow demand is reached and for adopting to note for monitoring bypass flow
The high-pressure gas injection system of integrated well head gas injection, wherein, the input of the separate system and the high-pressure gas injection system defeated
Enter end to be connected with the outfan of the air supply system.
Air supply system includes as mentioned above：Air compressor and 50 MPas of compressors, wherein, the air compressor is institute
State 50 MPas of compressors and low-pressure gas source is provided；The low-pressure gas source is pressurized to 50 MPas and is provided afterwards by 50 MPas of compressors
Give the separate system.
Air supply system can also include as mentioned above：First ball valve and/or inlet air flow gauge, the low-pressure gas source are passed through successively
First ball valve and/or the inlet air flow gauge is crossed, 50 MPas of compressors are entered.
50 MPas of compressors as described above include：Compressor main body；Exhaust by-pass valve, for will be defeated for the compressor main body
The high-pressure air source for going out is supplied to the separate system.
Owner's body compressed as described above is reciprocating compressor, and admission pressure is pressurized to 50 MPas using Pyatyi compression,
The Pyatyi compression piston of the compressor main body is structure as a whole with three, level Four compression piston.
50 MPas of compressors as described above, also include：Air cooling system, including N number of can independent control cooling fan, described
N number of cooling fan is connected with each compression stage output of the compressor main body, for cooling down the rows at different levels of the compressor main body
Gas, the N are positive integer.
Separate system as described above, including：Second ball valve, regulating valve and shunting flowmeter, wherein, second ball valve
Input of the input as the separate system, is connected with the outfan of the air supply system；The regulating valve, is arranged on institute
State between the second ball valve and the shunting flowmeter, for adjusting the flow of the shunting flowmeter.
Separate system, also includes as mentioned above：Shunt safety valve and/or shunting acoustic filter, wherein, the shunt safety
Valve, is arranged between the regulating valve and the shunting flowmeter, for protecting the shunting flowmeter；The shunting is eliminated the noise
Device, after being arranged on the shunting flowmeter, for eliminating the noise that discharged gases at high pressure are produced.
High-pressure gas injection system as described above, including：Oil pipe flow process and sleeve pipe flow process, the oil pipe flow process and described sleeve pipe stream
The structure of journey is identical, includes high-pressure gas injection pipeline, for adjusting the choke valve of gas flow, for cutting off the rotation of gas injection process
Plug valve, for preventing the check valve of gas backstreaming and for emptying between the check valve and the tubing valve, or, institute
State the atmospheric valve of residual gas between check valve and described sleeve pipe valve；Wherein, the high-pressure gas injection pipeline, is arranged on described point
Streaming system is adopted with the note between the tubing valve or sleeve valve of integrated well head, be sequentially connected the choke valve, plug valve,
Check valve and atmospheric valve.
Note adopts integrated well head as mentioned above, including：Big four, is arranged on ground, hangs set below the big four
Pipe, the side of the big four install sleeve valve and first pressure table；Function four-way, is arranged on the big four, institute
Suspension oil pipe below function four-way is stated, the oil pipe forms oil jacket annular space, the side peace of the function four-way with described sleeve pipe
Charge of oil tube valve and second pressure table.
Gas injection system of the present utility model controls to enter the gas flow that note adopts integrated well head using separate system, so
In the case of known to the charge flow rate that air supply system is provided, the gas flow for deducting separate system discharge by charge flow rate is i.e.
The gas flow for entering that note adopts integrated well head can be obtained, so that fire is met by the discharge gas flow of regulation separate system
Burn handle up/fireflood develop different phase gas injection demand.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the structural representation of the gas injection system that this utility model embodiment one is provided；
Fig. 2 is the structural representation of the gas injection system that this utility model embodiment two is provided；
The structural representation of 50 MPas of compressors in the gas injection system that Fig. 3 is provided for this utility model；
In the gas injection system that Fig. 4 is provided for this utility model, note adopts the structural representation of integrated well head.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Embodiment in based on this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Term " first ", " second " in specification and claims of the present utility model etc. are similar for distinguishing
Object, without being used for describing specific order or precedence.It should be appreciated that the data for so using in the appropriate case may be used
With exchange, so as to embodiment of the present utility model described herein for example can with except here illustrate or describe those with
Outer order is implemented.Additionally, term " comprising " and " having " and their any deformation, it is intended that cover non-exclusive bag
Contain, for example, the process, system, product or the equipment that contain series of steps or unit are not necessarily limited to those that clearly lists
Step or unit, but may include clearly not list or for other intrinsic steps of these processes, product or equipment
Or unit.
This utility model provides a kind of gas injection system suitable for combustion soaking/fireflood exploitation, is supervised using separate system
Survey bypass flow to reach the technical scheme of gas flow demand, it is achieved that not same order is developed in ultra-deep viscous crude combustion soaking/fireflood
The gas injection demand of section.
Fig. 1 is the structural representation of the gas injection system that this utility model embodiment one is provided.As shown in figure 1, gas injection system
10 include：Air supply system 11, separate system 12 and high-pressure gas injection system 13.
Wherein, air supply system 11 is used for providing maximum pressure at expulsion for 50 MPas of high-pressure air sources；Separate system 12 is used for supervising
Survey bypass flow to reach gas flow demand；High-pressure gas injection system 13 is used for adopting 14 gas injection of integrated well head to note.Shunting system
The input of the input of system 12 and high-pressure gas injection system 13 is connected with the outfan of air supply system 11.
Specifically, the high-pressure air source that air supply system 11 is provided has two flow paths：One flow path is through high pressure
Gas injection system 13 enters note and adopts integrated well head 14, and is eventually entered in oil reservoir by oil pipe 15 and sleeve pipe 16, completes gas injection stream
Journey；Another flow path is to discharge through separate system 12.
The embodiment controls to enter the gas flow that note adopts integrated well head using separate system, so carries in air supply system
For charge flow rate known in the case of, by charge flow rate deduct separate system discharge gas flow can obtain enter note
The gas flow of integrated well head is adopted, so that combustion soaking/fireflood is met by the discharge gas flow of regulation separate system
The gas injection demand of exploitation different phase.
In addition, the relative gas injection demand for developing different phase for meeting combustion soaking/fireflood of the present embodiment, in each stage
The implementation of a compressor is all configured, reduced cost is also can reach and is reduced the effect of floor space.
In the above-described embodiments, air supply system 11 can be realized by number of ways, and here which is illustrated.
In a kind of specific implementation, air supply system 11 can include：Air compressor 111 and 50 MPas of compressors 112.
Wherein, air compressor provides low-pressure gas source for 50 MPas of compressors；Low-pressure gas source is pressurized to 50 MPas by 50 MPas of compressors
Separate system 12 is supplied to afterwards, as shown in Figure 2.Exemplarily, air compressor can be specially screw air compressor, but
This utility model is not limited system.
Again referring to Fig. 2, alternatively, air supply system 11 can also include：First ball valve 113 and/or inlet air flow gauge 114.
Low-pressure gas source sequentially passes through the first ball valve 113 and/or inlet air flow gauge 114, enters 50 MPas of compressors 112.Wherein, inlet air flow
Gauge 114 is lowpressure stream gauge, for measuring to the charge flow rate of 50 MPas of compressors 112, with live direct-reading and far
Pass on Gong can, so as to be easy to Field adjustment to be easy to remote monitoring again.
Fig. 3 illustrates a kind of structure of 50 MPas of compressors.As shown in figure 3,50 MPas of compressors 112 can include：Compression
Owner's body 1121；Exhaust by-pass valve 1122, for being supplied to separate system 12 by the high-pressure air source that compressor main body 1121 is exported.
Alternatively, compressor main body 1121 is reciprocating compressor, and admission pressure is pressurized to 50,000,000 using Pyatyi compression
Handkerchief.Further, the Pyatyi compression piston of compressor main body 1121 is integrated knot with three stage compression piston, level Four compression piston
Structure, so that 1121 stress balance of compressor main body, motion stabilization；In addition, the one stage of compression piston of compressor main body 1121
It is independently arranged with two-stage compression piston.
Alternatively, 50 MPas of compressors 112 can also include：Air cooling system 1123.Wherein, air cooling system 1123 can be wrapped
Include N number of can independent control cooling fan, N is positive integer, and N values are, for example, 4.N number of cooling fan and compressor main body
1121 each compression stage output connection, for cooling down the aerofluxuss at different levels of compressor main body 1121.N number of cooling wind being independently arranged
Fan, individually can control start-stop operation, and its effect is that the chilling temperature of delivery temperatures at different levels also changes when variation of ambient temperature,
Delivery temperatures at different levels are controlled in the range of technic index, to improve 50 MPas of compressors by rational start-stop cooling fan quantity
Adaptability to high temperature difference working environment.
Exhaust by-pass valve 1122 can cause the high-pressure air source of the output of compressor main body 1121 to be not passed through air cooling system 1123
Cooling and be directly entered separate system 12 or high-pressure gas injection system 13, compressor when its purpose is to prevent variation of ambient temperature
The high-pressure air source temperature of the output of main body 1121 is too low, and then causes separate system 12, high-pressure gas injection system 13, note to adopt integrated well
Mouth 14 is supercool by the condensed water of generation in high-pressure air source and frost is blocked, and then causes the phenomenon generation of security incident.
Alternatively, 50 MPas of compressors 112 can also include：Exhaust by-pass valve 1124, for by compressor main body 1121
The partial high pressure source of the gas of output is supplied to separate system 12 after the cooling of air cooling system 1123.
Exhaust by-pass valve 1122 and exhaust by-pass valve 1124 simultaneously in the presence of, adjust the height of the output of compressor main body 1121
Pressurized air source is cooled down via air cooling system 1123 and is cooled down not via air cooling system 1123, there is provided to separate system 12, reaches control
The purpose of high pressure gas temperature.
Again referring to Fig. 2, separate system 12 can include：Second ball valve 121, regulating valve 122 and shunting flowmeter 123.Its
In, the input of the second ball valve 121 is connected with the outfan of air supply system 11 as the input of separate system 12；Regulating valve
122 are arranged between the second ball valve 121 and shunting flowmeter 123, for adjusting the flow of shunting flowmeter 123.The shunting stream
Gauge 123 has live direct-reading and transporting function, that is, be easy to Field adjustment to be easy to remote monitoring again.Regulating valve 122 is according to construction
Technological requirement gas flow, workmen's observation shunting flowmeter 123 adjust regulating valve 122 so as to 123 flow of shunting flowmeter
Technological requirement gas flow is deducted for 114 flow of inlet air flow gauge.The embodiment is using inlet air flow gauge and shunting flowmeter
Technical scheme, solves the difficult problem for being unable to reach high-pressure gas injection metering, it is achieved that unsteady flow with the mode of low-temperature measurement high-pressure gas injection
Amount air insufflation techiques.
Further, separate system 12 can also include：Shunt safety valve 124 and/or shunting acoustic filter 125.Wherein, divide
Stream relief valve 124 is arranged between regulating valve 122 and shunting flowmeter 123, for protecting shunting flowmeter 123, so that shunting
Effusion meter 123 will not be operated on rated operating pressure and cause security incident；Shunting acoustic filter 125 is arranged on bypass flow
After meter 123, for eliminating the noise that discharged gases at high pressure are produced, so as to avoid noise pollution.Further, divide
Stream acoustic filter 125 is arranged at the scene away from the sump oil pool side of 50 MPas of compressors 112, and the sump oil that gas is carried is discharged into
Contaminated-oil basin, it is to avoid environmental pollution.
Above-mentioned high-pressure gas injection system 13 can include：Oil pipe flow process and sleeve pipe flow process, the oil pipe flow process and sleeve pipe flow process
Structure is identical, includes high-pressure gas injection pipeline, for adjusting the choke valve of gas flow, for cutting off the cock of gas injection process
Valve, for prevent gas backstreaming check valve and be used between emptying one-way valve and tubing valve, or, check valve and sleeve pipe
The atmospheric valve of residual gas between valve.Wherein, high-pressure gas injection pipeline is arranged on separate system 12 and adopts integrated well head 14 with note
Tubing valve or sleeve valve between, be sequentially connected the choke valve, plug valve, check valve and atmospheric valve.
As shown in Fig. 2 oil pipe flow process include high-pressure gas injection pipeline 130, choke valve 131, plug valve 132, check valve 133 with
And atmospheric valve 134.Wherein, the effect of choke valve 4 is to adjust gas flow to meet combustion soaking/fireflood exploitation different phase gas injection
Construction process requirement；After plug valve 132 is arranged on choke valve 131, its act on be when choke valve 131 and choke valve 131 it
After front high-pressure gas injection pipeline occurs to reveal or damage, it is turned off, with to the height before choke valve 131 and choke valve 131
Pressure injection gas pipeline carries out maintenance replacing；After check valve 133 is arranged on plug valve 132, its effect is to prevent gas pressure in well
Backflow is altered, and causes security incident；After atmospheric valve 134 is arranged on check valve 133, its act on be stop gas injection when, will be residual
The gas between check valve 133 and tubing valve 141 is stayed to empty.
Sleeve pipe flow process includes high-pressure gas injection pipeline 135, choke valve 136, plug valve 137, check valve 138 and atmospheric valve
139.Wherein, the effect of choke valve 136 is to adjust gas flow to meet combustion soaking/fireflood exploitation different phase gas injection construction work
Skill is required；After plug valve 137 is arranged on choke valve 136, its effect is the height before choke valve 136 and choke valve 136
After pressure injection gas pipeline occurs to reveal or damage, it is turned off, with to the high-pressure gas injection before choke valve 136 and choke valve 136
Pipeline carries out maintenance replacing；After check valve 138 is arranged on plug valve 137, it is to prevent gas pressure backflow in well from falling which acts on
Alter, cause security incident；After atmospheric valve 139 is arranged on check valve 138, it is when gas injection is stopped which acts on, and will residue in list
Empty to the gas between valve 138 and sleeve valve 142.
With reference to Fig. 4, note adopts integrated well head 14 as mentioned above can include：It is arranged on the big four 143 on ground, big four
Suspension sleeve 16 below 143, the side of big four 143 sleeve valve 142 and first pressure table 144 are installed；It is arranged on big four
Function four-way 145 on logical 143, hangs oil pipe 15 below function four-way 145, oil pipe 15 forms oil jacket annular space with sleeve pipe 16,
The side of function four-way 145 is installed by tubing valve 141 and second pressure table 146.
Wherein, note adopts integrated well head 14 for double-vane double-valve structure well head, and which acts on the peace for being to ensure that gas injection well head
Full control.
Specifically, bivalve：146 left side valve of second pressure table is normally opened at ordinary times, in second pressure table 146 and second pressure table
Close when breaking down on the right side of in the of 146, and second pressure table 146 and 146 right side failure of second pressure table are processed.In the same manner,
144 left side valve of first pressure table is normally opened at ordinary times, closes when breaking down on the right side of the first pressure table 144 and first pressure table 144
Close, and first pressure table 144 and 144 right side failure of first pressure table are processed.
Double-vane：Side (right side), tubing valve 141 are connected as oil pipe gas injection flow process with high-pressure gas injection pipeline；Sleeve valve
142 are connected as sleeve pipe gas injection flow process with high-pressure gas injection pipeline；Opposite side (left side, with right side correspondence position), tubing valve, sleeve pipe
Valve is connected with stand-by compressor group respectively, to tackle the emergent failure of gas injection system.
Alternatively, note adopts integrated well head 14 can also include valve 147, for closing top operation or TCH test channel,
It is closed gas injection process.The valve 147 can be Full sealed valve.
Corresponding Fig. 2, Fig. 3 and Fig. 4, two flow paths of the high-pressure air source that air supply system 11 is provided are specially：One stream
Dynamic path is after the second ball valve 121 to enter high-pressure gas injection system 13, once flows through choke valve in high-pressure gas injection system 13
131st, plug valve 132 and check valve 133, reach the tubing valve 141 that note adopts integrated well head 14, finally enter along oil pipe 15
Oil reservoir, completes gas injection flow process；Another flow path be measure through the regulating valve 122 of separate system 12, shunting flowmeter 123 after
Shunting acoustic filter 125 is reached, through eliminating the noise and being discharged in air after abatement processes.
For meeting combustion soaking/fireflood exploitation different phase gas injection construction process requirement, the present embodiment adopts charge flow rate
Meter is measured to air inlet, while shunt volume is measured using shunting flowmeter, different according to combustion soaking/fireflood exploitation
The gas flow of stage gas injection construction process requirement adjusts regulating valve and choke valve so that bypass flow is 50 MPas of compressors
Charge flow rate deducts the gas flow that gas injection construction process requirement is developed in combustion soaking/fireflood.
While real-time monitoring is carried out to inlet air flow gauge, regulating valve is adjusted with choke valve so as to shunting stream
Amount changes and by carrying out real-time monitoring to shunting flowmeter, two item datas is contrasted i.e. charge flow rate and deducts bypass flow
Understand that gas flow, the variable-flow technology of this low-temperature measurement high-pressure gas injection reach the variable-flow injection for burning exploitation demand
Require.
Finally it should be noted that：Various embodiments above is only in order to illustrating the technical solution of the utility model, rather than which is limited
System；Although being described in detail to this utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：Which still can be modified to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of gas injection system, it is characterised in that include：For providing the supply that maximum pressure at expulsion is 50 MPas of high-pressure air sources
System, reach the separate system of gas flow demand and for integrated well head gas injection being adopted to note for monitoring bypass flow
High-pressure gas injection system, wherein, the input of the input of the separate system and the high-pressure gas injection system with the supply
The outfan connection of system.
2. gas injection system according to claim 1, it is characterised in that the air supply system includes：Air compressor and 50
MPa compressor, wherein,
The air compressor provides low-pressure gas source for 50 MPas of compressors；
The low-pressure gas source is pressurized to 50 MPas and is supplied to the separate system afterwards by 50 MPas of compressors.
3. gas injection system according to claim 2, it is characterised in that the air supply system also includes：First ball valve and/or
Inlet air flow gauge, the low-pressure gas source sequentially pass through first ball valve and/or the inlet air flow gauge, enter described 50 MPas
Compressor.
4. the gas injection system according to Claims 2 or 3, it is characterised in that 50 MPas of compressors include：
Compressor main body；
Exhaust by-pass valve, for being supplied to the separate system by the high-pressure air source that the compressor main body is exported.
5. gas injection system according to claim 4, it is characterised in that the compressor main body is reciprocating compressor, adopts
Admission pressure is pressurized to 50 MPas with Pyatyi compression, the Pyatyi compression piston of the compressor main body and the compression of three, level Four are lived
Plug is structure as a whole.
6. gas injection system according to claim 4, it is characterised in that 50 MPas of compressors also include：
Air cooling system, including N number of can independent control cooling fan, N number of cooling fan is each with the compressor main body
Compression stage output connection, for cooling down the aerofluxuss at different levels of the compressor main body, the N is positive integer.
7. gas injection system according to claim 1, it is characterised in that the separate system includes：Second ball valve, regulating valve
And shunting flowmeter, wherein,
The input of second ball valve is connected with the outfan of the air supply system as the input of the separate system；
The regulating valve, is arranged between second ball valve and the shunting flowmeter, for adjusting the shunting flowmeter
Flow.
8. gas injection system according to claim 7, it is characterised in that the separate system also includes：Shunt safety valve and/
Or shunting acoustic filter, wherein,
The shunt safety valve, is arranged between the regulating valve and the shunting flowmeter, for protecting the bypass flow
Meter；
The shunting acoustic filter, after being arranged on the shunting flowmeter, for eliminating making an uproar for discharged gases at high pressure generation
Sound.
9. gas injection system according to claim 1, it is characterised in that the high-pressure gas injection system includes：Oil pipe flow process and
Sleeve pipe flow process, the oil pipe flow process are identical with the structure of described sleeve pipe flow process, include high-pressure gas injection pipeline, be used for adjusting gas injection
The choke valve of flow, for cutting off the plug valve of gas injection process, for preventing the check valve of gas backstreaming and for emptying institute
State between check valve and the tubing valve, or, between the check valve and described sleeve pipe valve residual gas atmospheric valve；
Wherein, the high-pressure gas injection pipeline, be arranged on the separate system with described note adopt integrated well head tubing valve or
Between sleeve valve, the choke valve, plug valve, check valve and atmospheric valve is sequentially connected.
10. gas injection system according to claim 1, it is characterised in that the note adopts integrated well head to be included：
Big four, is arranged on ground, suspension sleeve below the big four, the side of the big four install sleeve valve and
First pressure table；
Function four-way, is arranged on the big four, hangs oil pipe, the oil pipe and the set below the function four-way
Pipe forms oil jacket annular space, and tubing valve and second pressure table are installed in the side of the function four-way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620911759.XU CN206016788U (en) | 2016-08-19 | 2016-08-19 | Gas injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620911759.XU CN206016788U (en) | 2016-08-19 | 2016-08-19 | Gas injection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206016788U true CN206016788U (en) | 2017-03-15 |
Family
ID=58250186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620911759.XU Active CN206016788U (en) | 2016-08-19 | 2016-08-19 | Gas injection system |
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| Country | Link |
|---|---|
| CN (1) | CN206016788U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654223A (en) * | 2017-11-06 | 2018-02-02 | 中国石油天然气股份有限公司 | Fire flooding oil extraction air injection system |
-
2016
- 2016-08-19 CN CN201620911759.XU patent/CN206016788U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654223A (en) * | 2017-11-06 | 2018-02-02 | 中国石油天然气股份有限公司 | Fire flooding oil extraction air injection system |
| CN107654223B (en) * | 2017-11-06 | 2019-11-08 | 中国石油天然气股份有限公司 | Fire flooding oil extraction air injection system |
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