CN104374560A - Gas-lift valve test system - Google Patents
Gas-lift valve test system Download PDFInfo
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- CN104374560A CN104374560A CN201410653014.3A CN201410653014A CN104374560A CN 104374560 A CN104374560 A CN 104374560A CN 201410653014 A CN201410653014 A CN 201410653014A CN 104374560 A CN104374560 A CN 104374560A
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Abstract
The invention provides a gas-lift valve test system. The gas-lift valve test system comprises a pressure measurement device, a displacement measurement device, a gas supply device and a control system. The pressure measurement device comprises a pressure storage tank and a pressure sensor, wherein the pressure storage tank and the pressure sensor are mutually connected. The displacement measurement device comprises a test barrel, a gas-lift valve and a displacement sensor, wherein the gas-lift valve and the displacement sensor are arranged in the test barrel and are connected. The gas supply device is connected with the control system. The gas supply device is also connected with the test barrel through the pressure storage tank and used for supplying gas to the test barrel through the pressure storage tank so that the gas-lift valve can generate displacement corresponding to pressure inside the pressure storage tank. The control system is connected with the pressure sensor and the displacement sensor respectively and used for receiving gas pressure collected by the pressure sensor and displacement, collected by the displacement sensor, of the gas-lift valve and processing the gas pressure and the displacement. The gas-lift valve test system realizes the effect that the performance index of the gas-lift valve is obtained completely through automatic control in a gas-lift valve test.
Description
Technical field
The present invention relates to oil recovery industry technology, particularly relate to a kind of gas lift valve test macro.
Background technology
Along with the development of oil recovery industry, gas lift valve is as underground operation tool most important in air pumping work, and the quality of its serviceability directly affects the benefit of air pumping work.
The load-carry duty of gas lift valve corrugated tube assembly, gas lift valve opening pressure, emergent pressure and maximum effective valve rod travel are all weigh the important performance indexes of this gas lift valve performance; Particularly, the load-carry duty of corrugated tube assembly can be used for weighing " rigidity " of this gas lift valve, the test pressure that opening pressure is gas lift valve valve rod travel when being zero, maximum effective valve rod travel is critical valve rod travel when making gas lift valve corrugated tube maintain elastic deformation, and emergent pressure is test pressure corresponding to maximum effective valve rod travel.At present, especially by gas lift valve testing table, above-mentioned gas lift valve is tested, to obtain the performance index of gas lift valve, use it in applicable oil well and carry out oil extraction operation; Normally, gas lift valve testing table mainly comprises two kinds of typical structure types, is specially telescopic testing table and closed testing table.But, because two kinds of gas lift valve testing tables of the prior art are carrying out all needing manually to control in gas lift valve testing experiment process, and cause the handling poor problem of test process.
Summary of the invention
The invention provides a kind of gas lift valve test macro, to realize the performance index being obtained this gas lift valve in the testing experiment process of gas lift valve completely by automatic control, provide a kind of handling higher gas lift valve test macro.
The invention provides a kind of gas lift valve test macro, comprise: device for pressure measurement, displacement measuring device, feeder and control system, wherein, described device for pressure measurement comprises the accumulator and pressure transducer that are connected, institute's displacement measurement device comprises test cylinder, and be arranged at the gas lift valve and displacement transducer that are connected in described test cylinder, described feeder is connected with described control system, described feeder is also connected with described test cylinder by described accumulator, for according to supply gas pressure preset in described control system through described accumulator to described test cylinder air feed, and make the gas lift valve in described test cylinder produce the displacement corresponding to described accumulator internal gas pressure,
Described control system connects described pressure transducer and institute's displacement sensors respectively, for receiving the displacement of the gas lift valve corresponding to described air pressure that air pressure in described accumulator that described pressure transducer gathers and institute displacement sensors gather, and described air pressure and displacement are processed;
Described feeder comprises the first gas cylinder and pressure regulator valve, described first gas cylinder is connected with described accumulator by described pressure regulator valve, described control system is specifically connected with described pressure regulator valve, for to described pressure regulator valve transmission of control signals, and controlling described first gas cylinder to described accumulator air feed by described voltage-controlled valve, described control signal is supply gas pressure preset in described control system.
Gas lift valve test macro as above, wherein, is provided with the first filtrator between described first gas cylinder and described pressure regulator valve; And/or,
The first stop valve is provided with between described first gas cylinder and described pressure regulator valve.
Gas lift valve test macro as above, wherein, described pressure regulator valve is solenoid valve.
Gas lift valve test macro as above, wherein, also comprises voltage operated device, and described control system is connected with described pressure regulator valve, for transmitting described control signal by described voltage operated device to described pressure regulator valve by described voltage operated device.
Gas lift valve test macro as above, wherein, described voltage operated device comprises interconnective second gas cylinder and pressure controller, and described control system is connected with described pressure regulator valve especially by described pressure controller, and described second gas cylinder is used for by controlling described pressure regulator valve to described pressure controller air feed.
Gas lift valve test macro as above, wherein, is provided with the second filtrator between described second gas cylinder and described pressure controller; And/or,
The second stop valve is provided with between described second gas cylinder and described pressure controller.
Gas lift valve test macro as above, wherein, also comprises the signal processor be connected between described gas lift valve and described control system, after processing the displacement of described gas lift valve, be sent to described control system.
Gas lift valve test macro as above, wherein, also comprises the graphic user interface GUI be connected with described control system, for described control system sending controling instruction and receive described control system send signal.
Gas lift valve test macro as above, wherein, described device for pressure measurement also comprises tensimeter and/or safety valve and/or the 3rd stop valve, and described tensimeter and/or safety valve and/or the 3rd stop valve are connected with described accumulator respectively.
As shown from the above technical solution, gas lift valve test macro provided by the present invention, control feeder by control system according to preset supply gas pressure and provide specific input air pressure to accumulator, the gas lift valve in this test cylinder is made to produce the displacement corresponding to input air pressure by accumulator to test cylinder air feed, and, this control system obtains the respective value of input air pressure and output shift quantity to carry out data processing by pressure transducer coupled respectively and displacement transducer, achieve in the testing experiment process of gas lift valve completely by automatically controlling to obtain the performance index of this gas lift valve, solve gas lift valve testing table of the prior art carrying out all needing manually to control in gas lift valve testing experiment process, and cause the problem of the handling difference of test process, correspondingly improve the handling of gas lift valve test macro.
Accompanying drawing explanation
Fig. 1 is the relation curve schematic diagram of test pressure and valve rod travel in the performance index of gas lift valve;
The structural representation of a kind of gas lift valve test macro that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the another kind of gas lift valve test macro that Fig. 3 provides for the embodiment of the present invention;
The structural representation of another gas lift valve test macro that Fig. 4 provides for the embodiment of the present invention;
The structural representation of another gas lift valve test macro that Fig. 5 provides for the embodiment of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Before introducing the technical scheme that the embodiment of the present invention provides, some concepts first related to the embodiment of the present invention and basic test principle are set forth, those skilled in the art know that the technical scheme understood the embodiment of the present invention exactly and provide.
Fig. 1 is the relation curve schematic diagram of test pressure and valve rod travel in the performance index of gas lift valve.As shown in Figure 1, using test pressure as ordinate, gas lift valve valve rod travel is as horizontal ordinate, make the sweep loose some relation curve of two " test pressure-gas lift valve valve rod travel ", i.e. relation curve 1 and 2, what wherein relation curve was corresponding is in pressure increase process, the variation relation curve of gas lift valve valve rod travel, i.e. relation curve 1, what another was corresponding is in the process of pressure reduction, the variation relation curve of gas lift valve valve rod travel, i.e. relation curve 2, matching is carried out to these two sweeps loose some pipeline curve, the optimum fit curve obtained, i.e. relation curve 3, the slope of this relation curve 3 is the load-carry duty of gas lift valve corrugated tube assembly, " rigidity " of i.e. gas lift valve, corrugated tube refers to the tubular elastomeric sensitive element connected into along folding retractable direction with collapsible wrinkle sheet, be widely used in gas lift valve, its main application is the measuring sensor as pressure-measuring instrument, convert pressure to displacement, the tube wall of corrugated tube is thinner, there is higher sensitivity, the higher test figure of accuracy can be obtained when being applied in gas lift valve test macro, as shown in Figure 1, can know by relation curve 3, when valve rod travel is reduced to zero, corresponding test pressure is the opening pressure P2 of gas lift valve, in process of the test, when valve rod travel exceedes maximum effective valve rod travel, the sweep loose some relation curve of " test pressure-gas lift valve valve rod travel " there will be flex point A, the valve rod travel that this flex point A is corresponding is maximum effective valve rod travel, i.e. numerical value d, the test pressure P1 that this flex point A is corresponding is the emergent pressure of gas lift valve, can determine that the test pressure discrete point in gas lift valve test process should be within the opening pressure P2 to emergent pressure P1 of gas lift valve further.
The principle of being tested by above-mentioned gas lift valve is known, testing experiment for gas lift valve will obtain input air pressure exactly, i.e. test pressure, and the relation curve of the gas lift valve valve rod travel corresponding with this input air pressure, and passing through the attribute of this relation curve, such as slope, minimum value and maximum effective value etc. obtain the performance index of this gas lift valve.
The structural representation of a kind of gas lift valve test macro that Fig. 2 provides for the embodiment of the present invention.As shown in Figure 2, the gas lift valve test macro 10 that the present embodiment provides comprises: device for pressure measurement 100, displacement measuring device 200, feeder 300 and control system 400, wherein, this device for pressure measurement 100 comprises the accumulator 110 and pressure transducer 120 that are connected, this displacement measuring device 200 comprises test cylinder 210, and be arranged at the gas lift valve 220 and displacement transducer 230 that are connected in test cylinder 210, feeder 300 is connected with control system 400, feeder 300 is also connected with test cylinder 210 by accumulator 110, for according to supply gas pressure preset in control system 400 through accumulator 110 to described test cylinder 210 air feed, and make the gas lift valve 220 in test cylinder 210 produce the displacement corresponding to accumulator 110 internal gas pressure, control system 400 is Bonding pressure sensor 120 and displacement transducer 230 respectively, for receiving the displacement of the gas lift valve 220 corresponding to air pressure that air pressure in accumulator 110 that pressure transducer 120 gathers and displacement transducer 230 gather, and air pressure and displacement are processed.
The gas lift valve test macro 10 that the present embodiment provides, for testing the performance index of gas lift valve 220, the present embodiment specifically realizes automatically controlling specifically by control system 400 to the test of the performance index of gas lift valve 220, in testing experiment process respectively with displacement transducer 230, can the supply gas pressure of preset pending testing experiment in the control system 400 that pressure transducer 120 is connected with feeder 300, and when feeder 300 inputs gas to accumulator 110, control this feeder 300 input gas to accumulator 110 and make the air pressure in this accumulator 110 reach this preset supply gas pressure, correspondingly, when air pressure in this accumulator 110 is a definite value, the gas lift valve 220 in coupled test cylinder 210 can be made to produce corresponding displacement, be the valve rod travel of gas lift valve 220, and then by displacement transducer 230, the displacement of gas lift valve 220 is transferred to control system 400, control system 400 carries out data processing to the air pressure of input and the gas lift valve displacement of output again, obtain the relation curve of " test pressure-gas lift valve valve rod travel " as shown in Figure 1, namely the performance index of this gas lift valve 220 are obtained.
It should be noted that, pressure transducer 120 in the present embodiment can also feed back the actual pressure in accumulator 110 to control system 400, that is, when inputting gas by feeder 300 to accumulator 110, although control system 400 inputs the force value of gas to accumulator 110 with himself preset supply gas pressure control feeder 300, but, still there is deviation in supply gas pressure preset in the actual pressure in accumulator 110 and control system 400, therefore, in the present embodiment, the input air pressure carrying out data processing for control system 400 is actually the actual pressure in the accumulator 110 that pressure transducer 120 feeds back.In addition, in the process of gas lift valve testing experiment, the multiple input air pressure of usual needs and the gas lift valve displacement corresponding with each input air pressure, namely in control system 400, preset supply gas pressure is generally the test pressure that a group has specific change rule, can be such as one group with the test pressure of same intervals increasing or decreasing, or the discrete test pressure of property can be had for a group of arranging based on experience value.
In the present embodiment, the output shift quantity of input air pressure and gas lift valve is all by control system 400 control realization, as long as test with program preset in control system 400 and preset supply gas pressure, just can obtain the relation curve of " test pressure-gas lift valve valve rod travel " as shown in Figure 1, and the property indices of gas lift valve 220.Compared with the gas lift valve testing table of prior art, achieve the test mode automatically controlled, solve the problem of handling difference in manual testing's process.
The gas lift valve test macro that the present embodiment provides, control feeder by control system according to preset supply gas pressure and provide specific input air pressure to accumulator, the gas lift valve in this test cylinder is made to produce the displacement corresponding to input air pressure by accumulator to test cylinder air feed, and, this control system obtains the respective value of input air pressure and output shift quantity to carry out data processing by pressure transducer coupled respectively and displacement transducer, achieve in the testing experiment process of gas lift valve completely by automatically controlling to obtain the performance index of this gas lift valve, solve gas lift valve testing table of the prior art carrying out all needing manually to control in gas lift valve testing experiment process, and cause the problem of the handling difference of test process, correspondingly improve the handling of gas lift valve test macro.Further, the gas lift valve test macro that the present embodiment provides can be avoided the error produced due to manual control testing experiment, improves the accuracy of gas lift valve testing experiment.
Alternatively, usually can on displacement transducer 230 integrated signal processing module, pre-service is carried out to the displacement of gas lift valve 220 that displacement transducer 230 obtains, and then the data after being processed by displacement transducer 230 send to control system 400.The structural representation of the another kind of gas lift valve test macro that Fig. 3 provides for the embodiment of the present invention, in the another kind of embodiment of the present embodiment, as shown in Figure 3, the gas lift valve test macro 10 that the present embodiment provides is on the architecture basics of test macro shown in above-mentioned Fig. 2, also comprise the signal processor 240 be connected between gas lift valve 220 and control system 400, after the displacement of gas lift valve 220 is processed, be sent to control system 400.This signal processor 240 added can simplify the design of displacement transducer 230, this signal processor 240 is for being arranged in gas lift valve test macro 10 independently unit, compare with the mode of signal processing module with integrated displacement sensor 230, the saving resource more when changing accessory, and be easier to change.
Further, the gas lift valve test macro 10 that Fig. 3 institute embodiment provides can also comprise graphic user interface 410 (the Graphical User Interface be connected with control system 400, referred to as: GUI), for control system 400 sending controling instruction and receiving control system 400 send signal.The operation interface of man-machine interaction further increases the handling of this gas lift valve test macro 10.
Further, in the gas lift valve test macro 10 that Fig. 3 institute embodiment provides, accumulator 110 is also connected with tensimeter 130, is convenient to read the atmospheric pressure value in accumulator 110 intuitively, to know the atmospheric pressure state in accumulator 110 in real time; Accumulator 110 is also connected with safety valve 140, effective safety monitoring can be carried out to the air pressure in accumulator 110, ensure air feed safety, particularly, when the air pressure in this accumulator 110 is higher than the atmospheric pressure value preset, this safety valve 140 can be exhausted to ensure that air pressure in accumulator 110 is in the air pressure range preset automatically, thus ensure that the security of gas lift valve test macro 10.
The structural representation of another gas lift valve test macro that Fig. 4 provides for the embodiment of the present invention.As shown in Figure 4, the architecture basics of the gas lift valve test macro that the gas lift valve test macro 10 that the present embodiment provides can provide in above-mentioned any embodiment increases feeder 300, this feeder 300 specifically comprises the first gas cylinder 310 and pressure regulator valve 320, this first gas cylinder 310 is connected with accumulator 110 by pressure regulator valve 320, control system 400 is specifically connected with pressure regulator valve 320, for to pressure regulator valve 320 transmission of control signals, and controlling the first gas cylinder 310 to accumulator 110 air feed by pressure regulator valve 320, control signal is supply gas pressure preset in control system 400.It should be noted that, Fig. 4 is specifically illustrated to increase feeder 300 on above-mentioned basis embodiment illustrated in fig. 3.
In the present embodiment, pressure regulator valve 320 can be such as solenoid valve, carry out in the process of testing experiment at the gas lift valve test macro 10 provided by the present embodiment, after the air pressure in accumulator 110 reaches the preset supply gas pressure value of control system 400, control system 400 can be cut off immediately to the power supply of solenoid valve, but the shutoff operation of this solenoid valve needs the time of 1 ~ 2 second usually, during this period of time, the first gas cylinder 310 is still to injecting gas in accumulator 110, if for the testing experiment that pressure increases, in the process of the test that pressure increases, when after closed electromagnetic valve, because the actual pressure in accumulator 110 can a little more than supply gas pressure preset in control system 400, namely, there is certain pressure differential in the actual pressure in supply gas pressure preset in control system 400 and accumulator 110, this pressure differential is by the pressure of the first gas cylinder 310, supply gas pressure preset in control system 400, and first impact of caliber size of gas piping between gas cylinder 310 and accumulator 110, cause the inaccurate problem of Stress control in control system 400 pairs of accumulators 110, therefore, embodiment illustrated in fig. 4 when specifically testing, its control mode can not be applied to gas lift valve 220 testing experiment in pressure increase process, be only applicable to the gas lift valve testing experiment in pressure reduction process.
It should be noted that, the pressure regulator valve 320 in embodiment illustrated in fig. 4 can also be such as 26-20 pressure regulator valve 320 (model of pressure regulator valve 320), and the first gas cylinder 310 is generally high-pressure nitrogen bottle, and the force value of this high-pressure nitrogen bottle is about 35MPa; The gas lift valve test macro 10 that the present embodiment provides does not limit the type of pressure regulator valve 320, with the type of the first gas cylinder 310, all can be used in the gas lift valve test macro 10 that the present embodiment provides as long as meet the pressure regulator valve 320 of testing experiment and the first gas cylinder 310.
In the gas lift valve test macro 10 provided embodiment illustrated in fig. 4, because the requirement of pressure regulator valve 320 pairs of cleaning gas degree is usually higher, source of the gas need through precision be the filtrator of more than 10um, therefore can arrange the first filtrator 330 between the first gas cylinder 310 and pressure regulator valve 320, this first filtrator 330 is generally high pressure filter.Alternatively, the first stop valve 340 between this first gas cylinder 310 and pressure regulator valve 320, can also be provided with, for by being exhausted the first gas cylinder 310, the operation such as step-down controls the duty of pressure regulator valve 320.
The structural representation of another gas lift valve test macro that Fig. 5 provides for the embodiment of the present invention.As shown in Figure 5, the gas lift valve test macro 10 that the present embodiment provides is on the architecture basics of test macro shown in above-mentioned Fig. 4, this gas lift valve test macro 10 also comprises voltage operated device 500, control system 400 is connected with pressure regulator valve 320 by voltage operated device 500, for passing through this voltage operated device 500 to pressure regulator valve 320 transmission of control signals; The present embodiment is in specific implementation, voltage operated device 500 comprises interconnective second gas cylinder 510 and pressure controller 520, control system 400 is connected with pressure regulator valve 320 especially by pressure controller 520, and this second gas cylinder 510 is for by controlling pressure regulator valve 320 to pressure controller 520 air feed.
In the present embodiment, pressure controller 520 can be such as ER3000 pressure controller 520 (model of pressure controller 520), pressure regulator valve 320 can be such as 26-20 pressure regulator valve 320, second gas cylinder 510 connects this ER3000 pressure controller 520, first gas cylinder 310 connects this 26-20 pressure regulator valve 320, the gas lift valve test macro 10 provided embodiment illustrated in fig. 5 is when carrying out testing experiment, the set pressure of the input signal end of ER3000 pressure controller 520 receiving control system 400, namely preset in control system 400 supply gas pressure, and according to the signal feedback end feedback pressure of the actual pressure in accumulator 110 to control system 400, and then this control system 400 can adopt preset data processor, can be such as proportional integral algorithm (Proportion, Integration, Differentiation, referred to as: PID) data processing is carried out to input air pressure and output shift quantity.And, the error of the controlled pressure precision of ER3000 pressure controller 520 is no more than 0.1% of preset supply gas pressure, control system 400 performs the operation of air pressure adjustment by ER3000 pressure controller 520 pairs of pressure regulator valves 320, close realization by the high speed vibration of the inner air inlet electromagnetic valve of ER3000 pressure controller 520 and solenoid valve of giving vent to anger, the running time of the opening and closing of this ER3000 pressure controller 520 is only 25ms, more faster than the reaction time of common solenoid valve 1 ~ 2s, therefore, voltage operated device 500 in the present embodiment further increases the accuracy of gas lift valve test system and test test, further, in embodiment illustrated in fig. 5, owing to adding low voltage control gas circuit, i.e. voltage operated device 500, makes the cut out of solenoid valve behaviour do consuming time very short, thus may be used for the testing experiment that pressure increases process.
It should be noted that, the second gas cylinder 510 in embodiment illustrated in fig. 5 is generally low pressure nitrogen gas cylinder, and the force value of this low pressure nitrogen gas cylinder is about 1MPa; The gas lift valve test macro 10 that the present embodiment provides does not limit pressure controller 520, pressure regulator valve 320, with the type of the second gas cylinder 510, all can be used in the gas lift valve test macro 10 that the present embodiment provides as long as meet the pressure controller 520 of testing experiment, pressure regulator valve 320 and the second gas cylinder 510.
Similarly, in the gas lift valve test macro 10 provided embodiment illustrated in fig. 5, because the requirement of pressure controller 520 pairs of cleaning gas degree is usually higher, source of the gas need through precision be the filtrator of more than 10um, therefore can arrange the second filtrator 530 between the second gas cylinder 510 and pressure controller 520, this second filtrator 530 is generally low-pressure filter.Alternatively, the second stop valve 540 between this second gas cylinder 510 and pressure controller 520, can also be provided with, for by being exhausted the second gas cylinder 510, the operation such as step-down controls the duty of pressure controller 520; Further, accumulator 110 is provided with usually the 3rd stop valve 150, needs maintenance the 3rd stop valve 150 in running order, to meet the atmospheric pressure value in testing experiment in accumulator 110 preferably.
Also it should be noted that, Fig. 4 and embodiment illustrated in fig. 5 in, because pressure regulator valve 320 only has on-off function, therefore, Fig. 4 and the gas lift valve test macro 10 provided embodiment illustrated in fig. 5, can after closedown first stop valve 340, hand switch the 3rd stop valve 150 is exhausted, the operation of step-down, to ensure that testing experiment can carry out smoothly next time.
The gas lift valve test macro 10 that the embodiment of the present invention provides, can automatically Control experiment pressure to carry out the performance test of gas lift valve 220, automatically test pressure value is obtained by pressure transducer 120, and the gas lift valve 220 valve rod travel value that displacement transducer 230 obtains automatically, thus automatically carry out gas lift valve 220 testing experiment.Finally, control system 400 conventionally in the load-carry duty of Computing Principle determination gas lift valve 220 corrugated tube assembly, i.e. " rigidity " of gas lift valve 220; Calculate the opening pressure of gas lift valve 220 and maximum effective valve rod travel.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (9)
1. a gas lift valve test macro, it is characterized in that, comprise: device for pressure measurement, displacement measuring device, feeder and control system, wherein, described device for pressure measurement comprises the accumulator and pressure transducer that are connected, institute's displacement measurement device comprises test cylinder, and be arranged at the gas lift valve and displacement transducer that are connected in described test cylinder, described feeder is connected with described control system, described feeder is also connected with described test cylinder by described accumulator, for according to supply gas pressure preset in described control system through described accumulator to described test cylinder air feed, and make the gas lift valve in described test cylinder produce the displacement corresponding to described accumulator internal gas pressure,
Described control system connects described pressure transducer and institute's displacement sensors respectively, for receiving the displacement of the gas lift valve corresponding to described air pressure that air pressure in described accumulator that described pressure transducer gathers and institute displacement sensors gather, and described air pressure and displacement are processed;
Described feeder comprises the first gas cylinder and pressure regulator valve, described first gas cylinder is connected with described accumulator by described pressure regulator valve, described control system is specifically connected with described pressure regulator valve, for to described pressure regulator valve transmission of control signals, and controlling described first gas cylinder to described accumulator air feed by described voltage-controlled valve, described control signal is supply gas pressure preset in described control system.
2. system according to claim 1, is characterized in that, is provided with the first filtrator between described first gas cylinder and described pressure regulator valve; And/or,
The first stop valve is provided with between described first gas cylinder and described pressure regulator valve.
3. system according to claim 1, is characterized in that, described pressure regulator valve is solenoid valve.
4. system according to claim 1, is characterized in that, also comprises voltage operated device, and described control system is connected with described pressure regulator valve, for transmitting described control signal by described voltage operated device to described pressure regulator valve by described voltage operated device.
5. system according to claim 4, it is characterized in that, described voltage operated device comprises interconnective second gas cylinder and pressure controller, described control system is connected with described pressure regulator valve especially by described pressure controller, and described second gas cylinder is used for by controlling described pressure regulator valve to described pressure controller air feed.
6. system according to claim 5, is characterized in that, is provided with the second filtrator between described second gas cylinder and described pressure controller; And/or,
The second stop valve is provided with between described second gas cylinder and described pressure controller.
7. system according to claim 1, is characterized in that, also comprises the signal processor be connected between described gas lift valve and described control system, after processing the displacement of described gas lift valve, be sent to described control system.
8. system according to claim 1, is characterized in that, also comprises the graphic user interface GUI be connected with described control system, for described control system sending controling instruction and receive described control system send signal.
9. the system according to any one of claim 2 ~ 8, it is characterized in that, described device for pressure measurement also comprises tensimeter and/or safety valve and/or the 3rd stop valve, and described tensimeter and/or safety valve and/or the 3rd stop valve are connected with described accumulator respectively.
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| CN104697775A (en) * | 2015-03-17 | 2015-06-10 | 深圳市亿威仕流体控制有限公司 | Automatic precise debugging system of gas lift valve |
| CN105987813A (en) * | 2015-03-06 | 2016-10-05 | 中国石油天然气股份有限公司 | Gas lift valve dynamic characteristic detection system |
| CN106153312A (en) * | 2015-04-24 | 2016-11-23 | 中国石油天然气股份有限公司 | Gas lift valve valve rod travel measurement apparatus and measuring method |
| CN106404379A (en) * | 2016-11-10 | 2017-02-15 | 安徽皖拓自动化有限公司 | Safety valve performance online detection device |
| CN107884167A (en) * | 2017-11-03 | 2018-04-06 | 雪龙集团股份有限公司 | A kind of electrically-controlled valve piece performance detection means |
| CN110987413A (en) * | 2019-12-20 | 2020-04-10 | 中国石油化工股份有限公司 | Step-by-step back-exhaust gas lift valve debugging test bed and inflation testing and pressure adjusting method |
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| CN110987413A (en) * | 2019-12-20 | 2020-04-10 | 中国石油化工股份有限公司 | Step-by-step back-exhaust gas lift valve debugging test bed and inflation testing and pressure adjusting method |
| CN110987413B (en) * | 2019-12-20 | 2022-10-14 | 中国石油化工股份有限公司 | Step-by-step back-exhaust gas lift valve debugging test bed and inflation testing and pressure adjusting method |
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