CN105987813A - Gas lift valve dynamic characteristic detection system - Google Patents
Gas lift valve dynamic characteristic detection system Download PDFInfo
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- CN105987813A CN105987813A CN201510100486.0A CN201510100486A CN105987813A CN 105987813 A CN105987813 A CN 105987813A CN 201510100486 A CN201510100486 A CN 201510100486A CN 105987813 A CN105987813 A CN 105987813A
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- 238000001514 detection method Methods 0.000 title claims abstract description 42
- 230000008676 import Effects 0.000 claims abstract description 35
- 230000008859 change Effects 0.000 claims description 7
- 230000003139 buffering effect Effects 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 2
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 2
- 241001330002 Bambuseae Species 0.000 abstract 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 2
- 239000011425 bamboo Substances 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 194
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000006837 decompression Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- FNYLWPVRPXGIIP-UHFFFAOYSA-N Triamterene Chemical compound NC1=NC2=NC(N)=NC(N)=C2N=C1C1=CC=CC=C1 FNYLWPVRPXGIIP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Abstract
The invention provides a gas lift valve dynamic characteristic detection system, which comprises: detect a section of thick bamboo, air inlet unit, air outlet unit and controlgear, wherein, controlgear respectively with air inlet unit air outlet unit connects, it includes import and export to detect a section of thick bamboo, air inlet unit connects the import, air outlet unit connects the export, air inlet unit with be provided with the intercommunication pipeline between the air outlet unit, be provided with the balanced valve on the intercommunication pipeline. According to the gas lift valve dynamic characteristic detection system, the pressure provided by the air inlet equipment to the inlet can be controlled by the control equipment according to the actual condition so as to keep the stability of the pressure, or the pressure provided by the air outlet equipment to the outlet can be controlled by the control equipment according to the actual condition so as to keep the stability of the pressure, so that the gas lift valve dynamic characteristic detection system can realize accurate detection.
Description
Technical field
The present invention relates to gaslift technology, particularly relate to a kind of gas lift valve dynamic characteristic detecting system.
Background technology
Gas lift valve dynamic characteristic detecting system is by detection and the dynamic characteristic inspection of the discharge coefficient of gas lift valve
The detection device surveyed.Wherein, the discharge coefficient of gas lift valve is for determining valve rod travel and the flow of gas lift valve
Functional relation.The detection of gas lift valve dynamic characteristic is at stable outlet pressure and to stablize two kinds of works of admission pressure
The dynamic characteristic of gas lift valve under condition, is divided into stable outlet pressure to detect and stablizes admission pressure detection.Wherein,
Stablizing outlet pressure detection is in the case that outlet pressure is stablized, the admission pressure that test changes, thus
Understand the impact that gas lift valve is worked by admission pressure；Stablize admission pressure detection stable at admission pressure
In the case of, the outlet pressure that test changes, thus understand the impact that gas lift valve is worked by outlet pressure.As
Shown in Fig. 1, for gas lift valve dynamic characteristic detection three-dimensional curve schematic diagram, wherein, P1For admission pressure,
P2For outlet pressure, qgiFor injecting gas flow, dotted line represents isobar, the P in figureVCTRepresent gaslift
Valve closing presure, PVOTRepresent gaslift valve opening pressure, PVSTIt is expressed as reaching the valve rod maximum row of gas lift valve
The pressure of Cheng Suoxu.
But, existing gas lift valve dynamic characteristic detecting system is difficult to ensureing the stable situation of admission pressure
Under realize that outlet pressure changes, or, it is difficult to ensure that outlet pressure realizes admission pressure in the case of stablize
Change, so, the accuracy of gas lift valve dynamic characteristic detection is poor.
Content of the invention
The present invention provides a kind of gas lift valve dynamic characteristic detecting system, to solve gas lift valve of the prior art
The poor defect of accuracy of dynamic characteristic detection.
First aspect of the present invention provides a kind of gas lift valve dynamic characteristic detecting system, comprising: detection cylinder,
Air intake apparatus, give vent to anger equipment and control equipment, wherein, described control equipment respectively with described air intake apparatus,
Described equipment of giving vent to anger connects, and described detection cylinder includes inlet and outlet, enters described in the connection of described air intake apparatus
Mouthful, described equipment of giving vent to anger connects described outlet, and described air intake apparatus and described giving vent to anger are provided with between equipment
Connecting pipeline, described connecting pipeline is provided with balanced valve.
According to gas lift valve dynamic characteristic detecting system as above, it is preferable that described balanced valve is cut-off
Valve.
According to gas lift valve dynamic characteristic detecting system as above, it is preferable that described air intake apparatus includes
Admission pressure adjusting means.
According to gas lift valve dynamic characteristic detecting system as above, it is preferable that described admission pressure is regulated
Device includes: air inlet electronic pressure controller and the first pressure-reducing valve, described boost pressure controller with described
First pressure-reducing valve connects, and described control equipment is by described first decompression of described boost pressure controller control
Valve.
According to gas lift valve dynamic characteristic detecting system as above, it is preferable that described admission pressure is regulated
Device also includes the second pressure-reducing valve, and the first end of described second pressure-reducing valve connects described first pressure-reducing valve.
According to gas lift valve dynamic characteristic detecting system as above, it is preferable that described air intake apparatus also wraps
Include: air inlet gas low pressure pipeline, gas line, admission line, air inlet surge tank, admission pressure sensing
Device and intake air temperature sensor；
First end of described air inlet gas low pressure pipeline, gas line and admission line respectively with described air inlet
Pressure-regulating device connects；
Second end of described admission line is connected to the import of described detection cylinder；
Described air inlet surge tank is connected to described admission line, for reducing the gas in described admission line
The change of amount when impact to described admission line；
Described air inlet pressure sensor is connected to described admission line, for gathering the gas pressure of described import
Force signal simultaneously sends described gas pressure signal to control equipment；
Described intake air temperature sensor is connected to described admission line, for gathering the gas in described import
Temperature signal simultaneously sends described gas temperature signal to described control equipment.
According to gas lift valve dynamic characteristic detecting system as above, it is preferable that set on described gas line
It is equipped with gas source, filter, air inlet stop valve and the safety valve being sequentially connected with, wherein, described safety
Valve is connected with described admission pressure adjusting means.
According to gas lift valve dynamic characteristic detecting system as above, it is preferable that on described gas tracheae also
Being provided with flowmeter and gas temperature sensor, described flowmeter is arranged on described air inlet stop valve and described
Between filter, for reading the gas flow values in described gas line, described gas temperature sensor
It is arranged between described flowmeter and described air inlet stop valve, for gathering the gas in described gas line
Temperature signal simultaneously sends described gas temperature signal to described control equipment.
According to gas lift valve dynamic characteristic detecting system as above, it is preferable that described air inlet gas low pressure
Being provided with air inlet low pressure gas body source on pipeline, it is low that described air inlet low pressure gas body source is connected to described air inlet gas
Pressure pipeline.
According to gas lift valve dynamic characteristic detecting system as above, it is preferable that set on described admission line
Being equipped with boost gauge, described boost gauge is for reading the atmospheric pressure value in described admission line.
According to gas lift valve dynamic characteristic detecting system as above, it is preferable that the described equipment of giving vent to anger includes
Outlet pressure adjusting means, described outlet pressure adjusting means includes give vent to anger electronic pressure controller and back pressure
Valve, described outlet pressure controller is connected with described counterbalance valve, described control equipment by described go out air pressure
The described counterbalance valve of force controller control.
According to gas lift valve dynamic characteristic detecting system as above, it is preferable that described outlet pressure is regulated
Device also includes the 3rd pressure-reducing valve, and the first end of described 3rd pressure-reducing valve is connected to described counterbalance valve, described
Second end of the 3rd pressure-reducing valve connects the second end of described admission pressure adjusting means the second pressure-reducing valve.
According to gas lift valve dynamic characteristic detecting system as above, it is preferable that described equipment of giving vent to anger also wraps
Include gas pipeline, gas low pressure pipeline of giving vent to anger, vent line, surge tank of giving vent to anger, outlet pressure sensor
With air outlet temperature sensor；
Described outlet line, give vent to anger gas low pressure pipeline and vent line respectively with the regulation of described outlet pressure
Device connects；
Described outlet line is connected to the outlet of described detection cylinder；
Described surge tank of giving vent to anger is connected to described outlet line, for reducing the gas in described outlet line
The change of amount when impact to described outlet line；
Described outlet pressure sensor is connected to described outlet line, for gathering the gas pressure of described outlet
Force signal simultaneously sends described gas pressure signal to control equipment；
Described air outlet temperature sensor is connected to described outlet line, for gathering the gas temperature of described outlet
Degree signal simultaneously sends described gas temperature signal to described control equipment.
According to gas lift valve dynamic characteristic detecting system as above, it is preferable that described gas atmosphere of giving vent to anger
Be provided with low pressure gas body source of giving vent to anger on pipeline, described low pressure gas body source of giving vent to anger be connected to described in gas of giving vent to anger low
Pressure pipeline.
According to gas lift valve dynamic characteristic detecting system as above, it is preferable that set on described outlet line
Being equipped with outlet pressure table, described outlet pressure table is for reading the atmospheric pressure value in described outlet pressure pipeline.
According to gas lift valve dynamic characteristic detecting system as above, it is preferable that on described outlet line also
Being provided with give vent to anger big stop valve and little stop valve of giving vent to anger, described big stop valve of giving vent to anger is arranged on surge tank of giving vent to anger
And between described outlet pressure table, described little stop valve of giving vent to anger be arranged on described outlet pressure table and described go out
Between atmospheric pressure sensor, described vent line is provided with emptying stop valve, described gives vent to anger on surge tank
It is provided with buffering stop valve of giving vent to anger.
As shown from the above technical solution, the gas lift valve dynamic characteristic detecting system that the present invention provides, Ke Yitong
Cross control equipment control air intake apparatus and be supplied to the pressure of import keeping it stable according to actual conditions, or
Person's control equipment of giving vent to anger is supplied to the pressure of outlet keeping it stable according to actual conditions, and then can make
Gas lift valve dynamic characteristic detecting system realizes accurate detection.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
The accompanying drawing executing required use in example or description of the prior art is briefly described, it should be apparent that under,
Accompanying drawing during face describes is some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the three-dimensional curve schematic diagram of gas lift valve dynamic characteristic detection in prior art；
Fig. 2 is the gas lift valve dynamic characteristic detecting system structural representation according to one embodiment of the invention；
Fig. 3 is the gas lift valve dynamic characteristic detecting system structural representation according to another embodiment of the present invention.
Detailed description of the invention
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with this
Accompanying drawing in bright embodiment, is clearly and completely described to the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiments.Based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under the premise of not making creative work
The every other embodiment obtaining, broadly falls into the scope of protection of the invention.
Embodiment one
The present embodiment provides a kind of gas lift valve dynamic characteristic detecting system, and the detection of this gas lift valve dynamic characteristic is
System is for detecting the dynamic characteristic of gas lift valve.
As in figure 2 it is shown, be the structural representation of the gas lift valve dynamic characteristic detecting system according to the present embodiment.
This gas lift valve dynamic characteristic detecting system 200 includes that the 2nd, detection cylinder the 1st, the air intake apparatus in Fig. 1 is given vent to anger and set
Standby 3 and control equipment 4.
Wherein, control equipment 4 is connected with air intake apparatus the 2nd, equipment 4 of giving vent to anger respectively, and detection cylinder 1 includes
Import 5 and outlet 6, air intake apparatus 2 connects import 5, equipment 3 connection outlet 6 of giving vent to anger, air intake apparatus
2 and give vent to anger and between equipment 3, be provided with connecting pipeline 7, connecting pipeline 7 is provided with balanced valve 8.
Wherein, detecting cylinder 1 is a closing inflator, and gas passes through the import 5 from detection cylinder for the air intake apparatus 2
Entering detection cylinder, gas enters into the equipment of giving vent to anger 3 from outlet 6.Control equipment 4 is used for controlling air inlet and sets
Standby 2 and equipment 3 of giving vent to anger, make air intake apparatus 2 can provide stable, the mouth 5 of admission pressure feed accurately,
And make the equipment of giving vent to anger 3 that accurate, stable outlet pressure can be provided to provide mouth 6, i.e. control equipment 4
Control air intake apparatus 2 is keeping the pressure remained steady at import 5, or by the equipment of giving vent to anger 3 to protect
Hold the pressure stability at outlet 6, and then realize ensureing the accuracy of gas lift valve dynamic characteristic.
The effect of the balanced valve 8 of the present embodiment is shunting, and this balanced valve 8 can reduce entering of detection cylinder 1
Pressure differential between mouth 5 and outlet 6.This balanced valve 8 is specifically as follows stop valve.In the present embodiment
Being provided with gas lift valve (not shown) in detection cylinder 1, the outlet of gas lift valve is corresponding with outlet 6, gas
The import lifting valve is corresponding with import 5.
Gas lift valve dynamic characteristic detecting system 200 according to the present embodiment, can be controlled by control equipment 4
Air intake apparatus 2 processed is supplied to the pressure of import 5 keeping it stable according to actual conditions, or controls
Gas equipment 3 is supplied to export the pressure of 6 keeping it stable according to actual conditions, and then can make gaslift
Valve actuation step response detecting system realizes accurate detection.
Alternatively, the control equipment 4 of the present embodiment includes PLC (Programmable Logic
Controller, programmable logic controller (PLC)) 42, computer equipment 43 can also be included, this computer equipment
43 are connected to PLC42.Above-mentioned setting is so that operating personnel know gas lift valve from this control equipment 4
The working condition of dynamic characteristic detecting system 200, and send corresponding instruction and be controlled.This computer sets
Remote interface can also be included, in order to remotely control this control equipment 4 on standby 43.
Embodiment two
The gas lift valve dynamic characteristic detecting system to embodiment one for the present embodiment is done and is supplemented without explanation further.
In the present embodiment, air intake apparatus 2 includes admission pressure adjusting means 9, admission pressure adjusting means 9
Including: air inlet electronic pressure controller 33 and the first pressure-reducing valve 34, air inlet electronic pressure controller 33 with
First pressure-reducing valve 34 connects, and control equipment 4 controls the first decompression by air inlet electronic pressure controller 33
Valve 34, to maintain stablizing of air pressure at import 5 by the first pressure-reducing valve 34.
The model of this air inlet electronic pressure controller 33 can be air inlet ER3000 controller, and this first subtracts
The model of pressure valve 34 can be 44-40 pressure-reducing valve or 54-22 pressure-reducing valve.
Alternatively, this air intake apparatus 2 also includes: the 12nd, air inlet gas low pressure pipeline the 11st, gas line enters
Gas pipeline the 13rd, air inlet surge tank the 14th, air inlet pressure sensor 15 and intake air temperature sensor 23.
Wherein, the first end of air inlet gas low pressure pipeline the 11st, gas line 12 and admission line 13 is respectively
It is connected with admission pressure adjusting means 9, more specifically, air inlet gas low pressure pipeline 11 and admission pressure
Air inlet electronic pressure controller 33 in adjusting means 9 connects, gas line 12 and admission line 13
First end is connected with the first pressure-reducing valve 34 in admission pressure adjusting means 9 respectively, is i.e. connected to
The two ends of one pressure-reducing valve 34；Second end of admission line 13 is connected to detect the import 5 of cylinder 1；Air inlet
Surge tank 14 is connected to admission line 13, when being used for the change reducing the amount of the gas in admission line 13
Impact to described admission line, specifically, when the amount of the gas in admission line 13 changes suddenly,
By the buffering of the large volume of air inlet surge tank 14, can reduce to the pressure in whole admission line 13
The impact of power, air inlet pipe is rushed to be provided with on tank 14 and is buffered stop valve 39 into gas tank；Air inlet pressure sensor
15 are connected to admission line 13, for gathering the gas pressure signal of import 5 and sending out gas pressure signal
Deliver to control equipment 4, so that this control equipment 4 adjusts the gas in import 5 according to gas pressure signal
Pressure, and then keep the stability of the gas pressure of import 5 as far as possible；Intake air temperature sensor 23 is connected to
Admission line 13, for gathering gas temperature signal in import 5 and sending gas temperature signal to control
Control equipment 4, so that control equipment 4 obtains the gas temperature of import 5.It is noted that import 5 He
The actual upstream pressure for gas lift valve dynamic characteristic detecting system of pressure of the gas in admission line 13, be
Pressure at accurate measurement import 5, the distance between air inlet pressure sensor 15 and import 5 preferably exists
In 1-5cm, it is preferred that other cut-off gas must not be provided with between air inlet pressure sensor 15 and import 5
The components and parts of body, such as stop valve, in order to accurately measure the temperature at import 5, intake air temperature sensor
Distance between 23 and import 5 preferably in 1-5cm, it is preferred that intake air temperature sensor 23 with
The components and parts of other cut-off gases, such as stop valve must not be provided with between import 5.
In the present embodiment, the arranging of air inlet pressure sensor 15 and intake air temperature sensor 23 is to answer
With Clapyron Equation, i.e. PV=nRT, so that flow into the gas of detection cylinder 1 and flow from detection cylinder 1
The gas going out compares under same standard, will will flow into the gas of detection cylinder 1 after temperature detection goes out
The pressure of body and the conversion pressure from detection cylinder 1 effluent air compare to same temperature, wherein,
P represents the pressure of gas, and V represents the volume of gas, and n represents the amount of gas, and T represents temperature, R generation
Table gas constant.
In the present embodiment, the gas in each pipeline can be specifically nitrogen, certainly can also is that other inertia
Gas, specifically can select according to actual needs.
Alternatively, gas line 12 is provided with the gas source being sequentially connected with the 16th, filter the 17th, to enter
Gas stop valve 18 and safety valve 19, wherein, safety valve 19 is connected with admission pressure adjusting means 9, should
The effect of safety valve 19 is when the gas pressure in gas line 12 increases to over setting, by
In gas lift valve dynamic characteristic detecting system 200 outer discharge gas prevents pipe gas line 12, gas pressure surpasses
Cross specified value, it is to avoid gas line 12 damages.The gas source 16 of the present embodiment can be source nitrogen.
Alternatively, gas tracheae 12 is additionally provided with flowmeter 20 and gas temperature sensor 21, flow
Meter 20 is arranged between air inlet stop valve 18 and filter 17, for reading the gas in gas line 12
Body flow value, gas temperature sensor 21 is arranged between flowmeter 20 and air inlet stop valve 18, is used for
Gather the gas temperature signal in gas line 12 and gas temperature signal is sent extremely control equipment 4, with
Carry out reference when processing data for the later stage.
Alternatively, air inlet gas low pressure pipeline 11 is provided with air inlet low pressure gas body source 22, air inlet low pressure
Gas source 22 is connected to air inlet gas low pressure pipeline 11.Wherein, this air inlet low pressure gas body source 22 be used for be
Air inlet gas low pressure pipeline 11 provides low-pressure gas.This gas can be nitrogen, can also is that other inertia
Gas.
Alternatively, admission line 13 being provided with boost gauge 24, boost gauge 24 is used for reading
The atmospheric pressure value of import 5.
Specifically, the gas in gas source 16 first flows through filter 17, then in gas line 12,
Flowmeter 20 on gas line 12 can obtain gas flow in gas line 12, then gas temperature
Sensor 21 obtains the gas temperature signal in gas line 12, closes if air inlet stop valve 18 is arranged
Position, then now gas cannot flow into admission pressure adjusting means 9.If air inlet stop valve 18 arranges and arrives
Open position, then gas can continue to be circulated to admission pressure adjusting means 9 through safety valve 19.Then,
Through the regulation of admission pressure adjusting means 9, flow through air inlet surge tank the 14th, boost gauge successively the 24th,
Intake air temperature sensor 23 and air inlet pressure sensor 15, and then enter into detection cylinder 1 from import 5
Internal, it is possible to make the gas pressure at import 5 keep stable by the control of control equipment 4.
More than a kind of specific implementation for air intake apparatus 2, can also use alternate manner to realize certainly
This air intake apparatus, does not repeats them here.
Alternatively, equipment 3 of giving vent to anger includes outlet pressure adjusting means 10, this outlet pressure adjusting means 10
Electronic pressure controller 35 and counterbalance valve 36 including give vent to anger, outlet pressure controller 35 and counterbalance valve 36
Connecting, control equipment 4 controls counterbalance valve 36 by outlet pressure controller 35.Wherein, give vent to anger electronics
Pressure controller 35 can be specifically ER3000 controller of giving vent to anger, and counterbalance valve 36 can be 54-28 back pressure
Valve.
Alternatively, equipment 3 of giving vent to anger also includes that the 25th, outlet line gives vent to anger gas low pressure pipeline the 26th, evacuated tube
The 27th, line gives vent to anger surge tank the 28th, outlet pressure sensor 30 and air outlet temperature sensor 31.
Wherein, outlet line the 25th, give vent to anger gas low pressure pipeline 26 and vent line 27 respectively with go out air pressure
Apparatus for adjusting force 10, specifically, gives vent to anger gas low pressure pipeline 26 and gives vent to anger electronic pressure controller 35 even
Connecing, outlet line 25 and vent line 27 are connected with counterbalance valve 36 two ends respectively；Outlet line 25 is even
It is connected to detect the outlet 6 of cylinder 1；Surge tank 28 of giving vent to anger is connected to outlet line 25, is used for reducing escape pipe
Impact to outlet line 25 during the change of the amount of the gas in line 25, alternatively, this surge tank of giving vent to anger
On be connected with surge tank stop valve 40 of giving vent to anger；Outlet pressure sensor 30 is connected to outlet line 25, uses
Send to control equipment 4 in the gas pressure signal gathering in outlet 6 and by gas pressure signal；Give vent to anger
Temperature sensor 31 is connected to outlet line 25, for gathering the gas temperature signal exporting in 6 and inciting somebody to action
Gas temperature signal sends to control equipment 4.Wherein, outlet line 25 or the pressure exporting in 6 are gas
Lift the downstream pressure of valve actuation step response detecting system, in order to accurately measure the pressure at mouth 6, atmospheric pressure
Distance between sensor 30 and outlet 6 is preferably in 1-5cm, it is preferred that atmospheric pressure sensor 30
And outlet 6 between must not be provided with cut-off gas components and parts, such as stop valve, in order to accurately measure into
Temperature at mouth 5, the distance between air outlet temperature sensor 31 and outlet 6 is preferably in 1-5cm, relatively
Goodly, the components and parts of cut-off gas must not be provided with between temperature sensor 31 and outlet 6.For example cut
Only valve.
In the present embodiment, the arranging of outlet pressure sensor 30 and air outlet temperature sensor 31 is to answer
With Clapyron Equation, i.e. PV=nRT, consequently facilitating make the gas of inflow detection cylinder 1 and from detection cylinder 1
Effluent air compares under same standard.Wherein the implication of each symbol is as implied above.
Alternatively, gas atmosphere of giving vent to anger pipeline 26 is provided with low pressure gas body source 29 of giving vent to anger, low pressure of giving vent to anger
Gas source 29 is connected to gas low pressure pipeline 26 of giving vent to anger.Wherein, this give vent to anger low pressure gas body source 22 for for
Gas low pressure pipeline 26 of giving vent to anger provides low-pressure gas.This gas can be nitrogen, can also is that other inertia
Gas.
Alternatively, outlet line 25 being provided with outlet pressure table 32, outlet pressure table 32 is used for reading
The atmospheric pressure value of outlet 6.Shown in Fig. 2, outlet pressure table 32 is connected to give vent to anger surge tank 28 and gives vent to anger
Between pressure sensor 30.
Alternatively, outlet line 25 is provided with give vent to anger big stop valve 37 and little stop valve 41 of giving vent to anger, goes out
The big stop valve of gas 37 is arranged on gives vent to anger between surge tank 28 and outlet pressure table 32, little stop valve of giving vent to anger
41 are arranged between outlet pressure table 32 and outlet pressure sensor 30, and vent line 27 is provided with
Emptying stop valve 38, this emptying stop valve 38 is used for opening or closing this vent line 27, it is also possible to use
Adjust the pressure at outlet 6 in the aperture being emptied stop valve 38 by regulation；Give vent to anger on surge tank 28
It is provided with buffering stop valve 40 of giving vent to anger.Wherein, big stop valve 37 of giving vent to anger is slow for giving vent to anger when needed
Rush tank 28 and outlet line 25 is divided into two parts, when big stop valve 37 of giving vent to anger is closed, can be by going out
The little stop valve of gas 41 is for discharging the gas in outlet line 25, and buffering of giving vent to anger stop valve 40 will be for going out
Gas in gas surge tank 28 is discharged.
Specifically, gas flows out from the outlet 6 of detection cylinder 1, flows through air outlet temperature sensor successively the 31st,
The 37th, the 32nd, outlet pressure sensor the 30th, little stop valve the 41st, outlet pressure table of giving vent to anger give vent to anger big stop valve
Surge tank the 28th, outlet pressure adjusting means 10 of giving vent to anger is until emptying stop valve 38.Wherein, give vent to anger little section
Only valve 41 is for discharging the gas in outlet line 25, and the venthole of little stop valve 41 of giving vent to anger is less than and gives vent to anger
The venthole of big stop valve 37.
More than a kind of specific implementation for equipment 3 of giving vent to anger, can also use alternate manner to realize certainly
This air intake apparatus, does not repeats them here.
Gas lift valve dynamic characteristic detecting system 200 valve member of the present embodiment is few, and control mode is direct, system
Reliability is high, and pipeline is simple, and price comparison is cheap.
Embodiment three
As it is shown on figure 3, the district of the gas lift valve dynamic characteristic detecting system of the present embodiment offer and embodiment two
It is not that the structure of admission pressure adjusting means and outlet pressure adjusting means is different from embodiment two.
Specifically, the admission pressure regulation dress in the gas lift valve dynamic characteristic detecting system 300 of the present embodiment
Put 9 except air inlet electronic pressure controller 33 and the first pressure-reducing valve 44, also include the second pressure-reducing valve 45,
Gas line 12 and admission line 13 are connected to the second pressure-reducing valve 45, the first pressure-reducing valve 44 and
The first end that two pressure-reducing valves connect 45 connects；
Outlet pressure adjusting means 10, except electronic pressure controller 35 and the counterbalance valve 47 of giving vent to anger, is also wrapped
Including the 3rd pressure-reducing valve 46, outlet line 25 and vent line 27 are connected to counterbalance valve 47, and the 3rd subtracts
Pressure valve 46 is connected to counterbalance valve 47；
Second end of the second pressure-reducing valve 45 and the 3rd pressure-reducing valve connect second end of 46.
That is, one end of the second pressure-reducing valve 45 be connected to the first pressure-reducing valve 44, the other end is connected to the 3rd
Pressure-reducing valve 47, the 3rd pressure-reducing valve 46 one end is connected to counterbalance valve 47, and the other end is connected to the second pressure-reducing valve
45。
Wherein, air inlet electronic pressure controller 33 can be air inlet ER3000 controller, the first pressure-reducing valve
44 can be air inlet 26-20 pressure-reducing valve, and electronic pressure controller 35 of giving vent to anger can be specifically the ER3000 that gives vent to anger
Controller 35, the second pressure-reducing valve 45 can be 26-20 pressure-reducing valve of giving vent to anger, and counterbalance valve 47 can be 54-27
Counterbalance valve, the 3rd pressure-reducing valve 46 can be 26-20 pressure-reducing valve of giving vent to anger.
Other parts of the present embodiment 300 are all consistent with embodiment two, do not repeat them here.
The gas lift valve dynamic characteristic detecting system 300 of the present embodiment, can by control equipment 4 control into
Gas equipment 2 is supplied to the pressure of import 5 keeping it stable according to actual conditions, or control is given vent to anger and set
Standby 3 are supplied to export the pressure of 6 keeping it stable according to actual conditions, and then gas lift valve can be made to move
Step response detecting system realizes accurate detection.
One of ordinary skill in the art will appreciate that: realize all or part of step of said method embodiment
Can be completed by the related hardware of programmed instruction, aforesaid program can be stored in a computer-readable
Taking in storage medium, this program upon execution, performs to include the step of said method embodiment；And it is aforementioned
Storage medium include: the various media that can store program code such as ROM, RAM, magnetic disc or CD.
Last it is noted that above example is only in order to illustrating technical scheme, rather than to it
Limit；Although the present invention being described in detail with reference to previous embodiment, the ordinary skill of this area
Personnel it is understood that it still can the technical scheme described in foregoing embodiments be modified, or
Person carries out equivalent to wherein portion of techniques feature；And these modifications or replacement, do not make corresponding skill
The essence of art scheme departs from the scope of various embodiments of the present invention technical scheme.
Claims (16)
1. a gas lift valve dynamic characteristic detecting system, it is characterised in that include: detection cylinder, air inlet set
Standby, give vent to anger equipment and control equipment, wherein, described control equipment respectively with described air intake apparatus, described
Equipment of giving vent to anger connects, and described detection cylinder includes inlet and outlet, and described air intake apparatus connects described import,
Described equipment of giving vent to anger connects described outlet, and described air intake apparatus and described giving vent to anger are provided with connection between equipment
Pipeline, described connecting pipeline is provided with balanced valve.
2. gas lift valve dynamic characteristic detecting system according to claim 1, it is characterised in that described
Balanced valve is stop valve.
3. gas lift valve dynamic characteristic detecting system according to claim 1, it is characterised in that described
Air intake apparatus includes admission pressure adjusting means.
4. gas lift valve dynamic characteristic detecting system according to claim 3, it is characterised in that described
Admission pressure adjusting means includes: air inlet electronic pressure controller and the first pressure-reducing valve, described admission pressure
Controller is connected with described first pressure-reducing valve, and described control equipment is controlled by described boost pressure controller
Described first pressure-reducing valve.
5. gas lift valve dynamic characteristic detecting system according to claim 4, it is characterised in that described
Admission pressure adjusting means also includes the second pressure-reducing valve, and the first end of described second pressure-reducing valve connects described the
One pressure-reducing valve.
6. the gas lift valve dynamic characteristic detecting system according to claim 3 or 4, it is characterised in that
Described air intake apparatus also includes: air inlet gas low pressure pipeline, gas line, admission line, air inlet buffering
Tank, air inlet pressure sensor and intake air temperature sensor；
First end of described air inlet gas low pressure pipeline, gas line and admission line respectively with described air inlet
Pressure-regulating device connects；
Second end of described admission line is connected to the import of described detection cylinder；
Described air inlet surge tank is connected to described admission line, for reducing the gas in described admission line
The change of amount when impact to described admission line；
Described air inlet pressure sensor is connected to described admission line, for gathering the gas pressure of described import
Force signal simultaneously sends described gas pressure signal to control equipment；
Described intake air temperature sensor is connected to described admission line, for gathering the gas in described import
Temperature signal simultaneously sends described gas temperature signal to described control equipment.
7. gas lift valve dynamic characteristic detecting system according to claim 6, it is characterised in that described
It is provided with gas source, filter, air inlet stop valve and the safety valve being sequentially connected with on gas line, its
In, described safety valve is connected with described admission pressure adjusting means.
8. gas lift valve dynamic characteristic detecting system according to claim 7, it is characterised in that described
Being additionally provided with flowmeter and gas temperature sensor on gas tracheae, described flowmeter is arranged on described air inlet
Between stop valve and described filter, for reading the gas flow values in described gas line, described gas
Temperature sensor is arranged between described flowmeter and described air inlet stop valve, is used for gathering described gas
Gas temperature signal in pipeline simultaneously sends described gas temperature signal to described control equipment.
9. gas lift valve dynamic characteristic detecting system according to claim 6, it is characterised in that described
Being provided with air inlet low pressure gas body source on air inlet gas low pressure pipeline, described air inlet low pressure gas body source is connected to institute
State air inlet gas low pressure pipeline.
10. gas lift valve dynamic characteristic detecting system according to claim 6, it is characterised in that institute
Stating and being provided with boost gauge on admission line, described boost gauge is used for reading in described admission line
Atmospheric pressure value.
The 11. gas lift valve dynamic characteristic detecting systems according to according to any one of claim 3-10, it is special
Levying and being, the described equipment of giving vent to anger includes outlet pressure adjusting means, and described outlet pressure adjusting means includes
Giving vent to anger electronic pressure controller and counterbalance valve, described outlet pressure controller is connected with described counterbalance valve, institute
State control equipment by the described counterbalance valve of described outlet pressure controller control.
12. gas lift valve dynamic characteristic detecting systems according to claim 11, it is characterised in that institute
Stating outlet pressure adjusting means and also including the 3rd pressure-reducing valve, the first end of described 3rd pressure-reducing valve is connected to institute
Stating counterbalance valve, the second end of described 3rd pressure-reducing valve connects described admission pressure adjusting means the second pressure-reducing valve
The second end.
13. gas lift valve dynamic characteristic detecting systems according to claim 11, it is characterised in that institute
State the equipment of giving vent to anger also include outlet line, gas low pressure pipeline of giving vent to anger, vent line, surge tank of giving vent to anger,
Outlet pressure sensor and air outlet temperature sensor；
Described outlet line, give vent to anger gas low pressure pipeline and vent line respectively with the regulation of described outlet pressure
Device connects；
Described outlet line is connected to the outlet of described detection cylinder；
Described surge tank of giving vent to anger is connected to described outlet line, for reducing the gas in described outlet line
The change of amount when impact to described outlet line；
Described outlet pressure sensor is connected to described outlet line, for gathering the gas pressure of described outlet
Force signal simultaneously sends described gas pressure signal to control equipment；
Described air outlet temperature sensor is connected to described outlet line, for gathering the gas temperature of described outlet
Degree signal simultaneously sends described gas temperature signal to described control equipment.
14. gas lift valve dynamic characteristic detecting systems according to claim 11, it is characterised in that institute
Stating and being provided with low pressure gas body source of giving vent to anger on gas atmosphere pipeline of giving vent to anger, described low pressure gas body source of giving vent to anger is connected to
Described gas low pressure pipeline of giving vent to anger.
15. gas lift valve dynamic characteristic detecting systems according to claim 11, it is characterised in that institute
Stating and being provided with outlet pressure table on outlet line, described outlet pressure table is used for reading described outlet pressure pipe
Atmospheric pressure value in line.
16. gas lift valve dynamic characteristic detecting systems according to claim 15, it is characterised in that institute
Stating and being additionally provided with give vent to anger big stop valve and little stop valve of giving vent to anger on outlet line, described big stop valve of giving vent to anger sets
Put and giving vent to anger between surge tank and described outlet pressure table, described little stop valve of giving vent to anger be arranged on described in give vent to anger
Between Pressure gauge and described outlet pressure sensor, described vent line is provided with emptying stop valve, institute
State and on surge tank of giving vent to anger, be provided with buffering stop valve of giving vent to anger.
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| CN201510100486.0A CN105987813B (en) | 2015-03-06 | 2015-03-06 | Gas lift valve dynamic characteristic detection system |
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| CN105987813B CN105987813B (en) | 2018-12-25 |
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Cited By (1)
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|---|---|---|---|---|
| CN106525283A (en) * | 2016-12-09 | 2017-03-22 | 中国船舶重工集团公司第七研究所 | Test device for switch valve |
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| CN105987813B (en) | 2018-12-25 |
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