CN104635809B - Cluster well heating sucker rod frequency modulation circulating-heating remote control - Google Patents
Cluster well heating sucker rod frequency modulation circulating-heating remote control Download PDFInfo
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- CN104635809B CN104635809B CN201310571864.4A CN201310571864A CN104635809B CN 104635809 B CN104635809 B CN 104635809B CN 201310571864 A CN201310571864 A CN 201310571864A CN 104635809 B CN104635809 B CN 104635809B
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Abstract
A kind of cluster well heating sucker rod frequency modulation circulating-heating remote control, it is adaptable to the exploitation of cluster well viscous crude, including master device and stand-by provision, master device includes frequency conversion control unit, boosting rectifier control unit and oil well action response contact unit；Wherein frequency conversion control unit carries out VFC to external power supply, while being also responsible for T1 heat time heating time, the setting of heat-up periods time T2；Boosting rectifier control unit to frequency conversion after electric current boosted and selected the gear of voltage output；Oil well action response contact unit selects connection to need the oil well heating sucker rod of heating.Stand-by provision identical with master device internal part and be in symmetric configuration.This control device is rational in infrastructure, simple, reliable, a set of intermediate frequency power supply the using and the reserved, and Automatic Cycle heats multiple wells, possesses fault diagnosis and warning function, and reduces cost reduces work on the spot intensity, improves crude output.
Description
Art
The present invention relates to the remote control field in oil field, especially drives many mouthfuls of oil wells to sucker rod with an intermediate frequency power supply
Automatic/hand circulation electric-heating is carried out, and possesses the cluster well heating sucker rod frequency modulation circulating-heating remotely control of remote monitoring function
Device, it is adaptable to cluster well thickened oil recovery.
Background technology
Many difficult problems during for " three high " oil extraction, such as：Crude oil lifting is difficult；Sucker rod load is overweight, under
Row is difficult；Oil pumper load is increased, and crude oil enters pump difficulty etc., generally adopts individual well electric heating apparatus of hollow sucker rod, profit at present
The heat energy produced with electrical heating, carries out whole heating to the crude oil in oil pipe, reduces viscosity of crude, prevents wax deposition in oil pipe, carry
High crude oil fluidity, reaches oil recovery volume increase, the purpose of potentiation.
Existing exploit the electrical heating oil pumping pole technology adopted by a difficult problem for heavy oil wells, be to one by an electric heater unit
The heating sucker rod of mouth well is heated, but for cluster well, on each platform, integrated distribution has some mouthfuls of rod-pumped wells, and every mouthful of well
Electrical heating sucker rod heat penetration different when, required heating voltage and heated current different, using one-to-one heating gesture
The increase of cost for oil production must be caused.
Content of the invention
In order to meet cluster well thickened oil recovery, reduce production cost, improve the needs of the automatization level of equipment, the present invention
A kind of cluster well heating sucker rod frequency modulation circulating-heating remote control is provided.
The technical solution adopted in the present invention is：Cluster well heating sucker rod frequency modulation circulating-heating remote control, at least wraps
A set of master device is included, master device includes that the frequency conversion control unit being sequentially connected, boosting rectifier control unit and oil well action response connect
Tentaculum unit；Wherein frequency conversion control unit carries out VFC to external power supply, and the unit is also responsible for T1 heat time heating time simultaneously, adds
The setting of hot T2 interval time.Boosting rectifier control unit to frequency conversion after electric current boosted and selected the gear of voltage output；Connect
Oil well action response contact unit selects connection to need the oil well heating sucker rod of heating, so according to T1 heat time heating time, heating
Interval time, the setting value of T2 was circulated heating to N mouth oil wells.
Wherein frequency conversion control unit includes air-break, the first electric parameters transducer and the VFC being sequentially connected
Device.Air-break is main power switch；The three-phase voltage of the first electric parameters transducer collection power input, electric current；Frequency conversion control
Device processed adjusts the frequency of power supply.
Wherein boosting rectifier control unit includes the second electricity that a transformator and are connected with transformator outfan
Transmitter.Voltage, electric current after the collection frequency conversion of second electric parameters transducer, boosting, and signal is fed back to frequency-variable controller.
Wherein oil well action response contact unit includes N number of action response catalyst, numbers of the wherein N for oil well heating sucker rod
Amount, the corresponding oil well heating sucker rod of each action response catalyst.
The remote control of the present invention also includes that one is enclosed within the stand-by provision that starts working when master device breaks down.
In preferred version one, boosting rectifier control unit also includes that more than be connected with transformer secondary lateral coil 2 are used
In the voltage gear contactor for selecting output voltage, the corresponding voltage of each voltage gear contactor selects gear；Standby dress
Put identical with master device internal part and in symmetric configuration.
In preferred version two, stand-by provision only includes identical with master device internal part and in symmetric configuration change
Frequency control unit and boosting rectifier control unit, stand-by provision share an oil well action response contact unit with master device.Standby
The boosting rectifier control unit of device and master device fixes one grade of voltage output respectively, and voltage output is 1000V.
In preferred version three, stand-by provision only includes identical with master device internal part and in symmetric configuration change
Frequency control unit, stand-by provision share a boosting rectifier control unit and an oil well action response contact unit with master device.
The invention has the beneficial effects as follows：Control device is rational in infrastructure, simple, reliable, a set of electrical heating sucker rod medium frequency electric
Source can Automatic Cycle heating multiple wells, intermediate frequency power supply the using and the reserved, possess on-site manual control and remote auto control function, with
And fault diagnosis and warning function, oil well production cost is reduced, work on the spot intensity is reduced, crude output is improved.
Description of the drawings
Fig. 1 is the functional-block diagram of cluster well heating sucker rod frequency modulation circulating-heating remote control of the present invention；
Fig. 2 is the frequency modulation circulating-heating remote control circuit theory diagrams of one embodiment of the invention.
Fig. 3 is the frequency modulation circulating-heating remote control operational flowchart of one embodiment of the invention.
Fig. 4 is the frequency modulation circulating-heating remote control of another embodiment of the present invention.
Fig. 5 is the frequency modulation circulating-heating remote control of another embodiment of the invention.
In figure：11. air-breaks, 12. electric parameters transducers, 13. frequency-variable controllers, 24. transformators, 25. electricity pick-ups
Device, 28. catalysts, 29. catalysts, 36. catalysts, 37. catalysts, 39. catalysts, 210. catalysts, 211. catalysts,
301. catalysts, 302. catalysts, 303. catalysts, 304. catalysts, 305. catalysts, 312. catalysts, 313. catalysts,
314. catalysts, B15. catalysts, B16. catalysts, B17. catalysts, B18. catalysts, B19. catalysts, B20. catalysts,
B21. catalyst, B22. catalysts, B23. catalysts, B24. air-breaks, B25. electric parameters transducers, B26. VFC
Device, B27. transformators, B28. electric parameters transducers, B29. catalysts, B211. catalysts.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples, but, those skilled in the art should know
, the invention is not restricted to listed specific embodiment, as long as meeting the spirit of the present invention, should all be included in the present invention
Protection domain in.
Fig. 1 is the functional-block diagram of cluster well heating sucker rod frequency modulation circulating-heating remote control of the present invention.The present invention's
Control device key component includes：Frequency conversion control unit 1, boosting rectifier control unit 2 and oil well action response catalyst list
Unit 3.
External power supply input electric current VFC is carried out by frequency conversion control unit 1 first, the unit be also responsible for simultaneously plus
Hot time T1, the setting of heat-up periods time T2.
Then electric current enters boosting rectifier control unit 2 and is boosted, and the power supply is responsible for the gear for selecting voltage output simultaneously.
Then the oil well for needing heating is selected by oil well action response contact unit 3, so according to T1 heat time heating time, is added
The setting value of hot T2 interval time is circulated heating to N mouth oil wells.
It is the basic functional principle of this device above, describes in detail below in conjunction with specific embodiment.
Embodiment one
Cluster well heating sucker rod frequency modulation circulating-heating remote control in the present embodiment is used for 1～6 mouthful of oil of loop control
The heating of well, certainly, controlled oil well quantity can also increase in other embodiments.As shown in Fig. 2 being the frequency modulation of the present embodiment
Circulating-heating remote control circuit theory diagrams.
Frequency conversion control unit 1 includes air-break 11, electric parameters transducer 12, frequency-variable controller 13, in VFC list
In unit 1, air-break 11 is main power switch, and electric parameters transducer 12 is used for gathering three-phase voltage, the electric current of power input,
Frequency-variable controller 13 is used for frequency modulation.
Three action response units that boosting rectifier control unit 2 is included transformator 24 and is connected with its second siding ring
Part voltage gear contactor 210, voltage gear contactor 211, voltage gear contactor 28；Boosting rectifier control unit 2 is also wrapped
Include the electric parameters transducer 25 being connected with 24 outfan of transformator.Electric parameters transducer 25 has MODBUS communication functions, for adopting
Voltage, electric current after collection frequency conversion, boosting, and signal is fed back to frequency-variable controller 13.Wherein transformator 24 is used for boosting, this reality
Apply in example and sucker rod electrical heating voltage driving switch corresponding with each oil well is divided into 800V, 1000V, 1200V third gear, each gear
Voltage can change according to the winding number of turns of transformer secondary lateral coil, and corresponding action response element is catalyst 210, catalyst
211st, catalyst 28.
Oil well action response contact unit 3 include 6 action response catalysts i.e. catalyst 37, catalyst 36,
Catalyst 39, catalyst 312, catalyst 314, catalyst 313, are connected with the electrical heating start button of 1～No. 6 oil well respectively
Connect, for heating to each oil well heating sucker rod.
Additionally, it is preferable that the frequency modulation circulating-heating remote control of the present embodiment further provided with stand-by provision, standby
The internal components of device are identical with the internal components of master device, and its 26S Proteasome Structure and Function is also identical, both internal parts
It is in symmetric configuration.As shown in Fig. 2 stand-by provision includes air-break B24, electric parameters transducer B25, frequency-variable controller B26, change
Depressor B27, electric parameters transducer B28, catalyst B19, catalyst B18, catalyst B15, catalyst B16, catalyst B17, contact
Device B20, catalyst B22, catalyst B23, catalyst B21, the function of spare controller part are identical with main control device, therefore not
Repeat again.After main control device failure, system will automatically switch to spare controller part and be operated.
The present invention is described in further details with reference to Fig. 3, Fig. 3 adds for the frequency modulation circulation of one embodiment of the invention
Hot remote control operational flowchart.In use, close air-break 11 and air-break B24 first, and
Relevant parameter is set, is mainly included：Heat time heating time T1, heating voltage, T2 interval time, oil well quantity N, initial heating pound sign A
Deng.
During manual operation is：
First, close air-break 11 and air-break B24, by " automatic/to stop/manual " in control operation panel
Button pushes " manual " position.
Then, heating voltage gear is selected.According to the corresponding hole condition needs of live sucker rod electrical heating well, in control operation
Stir in panel and select certain voltage driving switch, voltage gear contactor 210, voltage gear contactor 211 or voltage gear
Some in catalyst 28 just with certain oil well（To be selected）The adhesive of action response catalyst connect, other voltage gears are corresponding
Action response catalyst disconnect.
Secondly, certain mouthful of oil well is selected.According to the numbering corresponding to the oil well that the needs of scene 1～6 are electrically heated, in control
The oil well being pressed in guidance panel processed and numbering corresponding start button, the action response catalyst of this number oil well is selected with aforementioned
The adhesive of voltage gear contactor connect；Transformator 24 exports the gear voltage, and PLC frequency-variable controllers 13 are started working, and right
The electric quantity signal that electric parameters transducer 12, electric parameters transducer 25 send is analyzed, and controls the output current size of frequency-variable controller,
Now the sucker rod electricity of this number oil well begins to warm up.When needing to stop heating, the corresponding stop button of this number well, frequency conversion is pressed
Controller 13 quits work, and voltage gear contactor corresponding with this number oil well and action response catalyst disconnect, this number oil well
Stop carrying out sucker rod electrical heating.
When needing to select lower a bite well to carry out sucker rod electrical heating, then it is corresponding to press this number well in control operation panel
Start button.During whole operation, state-detection control and fault diagnosis, warning are carried out by PLC frequency-variable controllers 13, if
PLC frequency-variable controllers 13 in main control device break down, and system automatically switches to spare controller part PLC frequency-variable controllers
B26 is operated, while switch board and host computer can show fault cues, informs that maintainer is overhauled to equipment.
The process of being automatically brought into operation is：
First, close air-break 11 and air-break B24, according to the corresponding hole condition of live sucker rod electrical heating well
Need, the corresponding voltage gear switch of each oil well of selection 1～6 is stirred in control operation panel, by control operation panel
" automatic/to stop/manual " button pushes " automatic " position.
Then, pound sign assignment A initially will be set, and such as A=1 is begun to warm up from No. 1 oil well, now, PLC VFC
Device 13 is controlled the action response catalyst 37 corresponding to No. 1 well and is connect with the voltage gear contactor adhesive of certain selected gear aforementioned
Logical, PLC frequency-variable controllers 13 are started working afterwards, and the electric quantity signal that electric parameters transducer 12, electric parameters transducer 25 send is entered
Row analysis, the size of VFC output current, No. 1 oil well proceed by sucker rod electrical heating, when being heated in the program of PLC
After set T1 heat time heating time, frequency-variable controller 13 quits work, and disconnects the voltage gear catalyst corresponding to No. 1 well and action
The connection of response catalyst 37, No. 1 well sucker rod stop electrical heating.Postpone certain time after, T2 interval time has been arrived, No. 2
The voltage gear contactor adhesive of action response catalyst 36 and certain gear corresponding to well is connected, afterwards PLC VFC
Device 13 is started working, and No. 2 oil wells proceed by sucker rod electrical heating, the like sequential loop sucker rod is carried out to 1～6 mouthful of well
Electrical heating, when wherein certain number oil well is shut down, PLC frequency-variable controllers 13 are shut down or fault-signal by the oil well for detecting,
PLC frequency-variable controllers 13 are skipped this mouthful of oil well automatically, execute the sucker rod electrical heating of lower a bite oil well.If in main control device
Frequency-variable controller 13, transformator 24 or catalyst break down, system automatically switches to spare controller part and is operated, with
When switch board and host computer can show fault cues, inform that maintainer is overhauled to equipment.
Embodiment two need not change voltage
As shown in figure 4, present invention also offers the frequency modulation circulating-heating remote control of another embodiment, works as oil recovery
Up to 5 mouthfuls of oil well on job platform, and well depth gap little when, without the need for switch over to heating voltage, only using wherein
During any one gear, by the A1 ends of transformator 24 and the connection of X1 ends or A2 ends and the connection of X2 ends or A3 ends and the connection of X3 ends,
Then the output voltage at A, X end of transformator 24 is a fixed value, and two other voltage gear removed in embodiment one is corresponding
Catalyst, only retains 1 catalyst 211, is to connect the A2 ends of transformator 24 and X2 ends in Fig. 4, and the output voltage at A, X end is
1000V, system is by PLC frequency-variable controllers 13 and working condition and control contactor 211 and the catalyst of standby variable frequency device
B211 is switched on or switched off to select to access main control intermediate frequency power supply or standby intermediate frequency power supply.
For further simplifying equipment, the master device, stand-by provision in the present embodiment device only retains same action response
Contact unit, removes the action response contact unit in the spare controller part in embodiment one, both VFC
Unit 1,2 26S Proteasome Structure and Function of boosting rectifier control unit are also identical, and both internal parts are also in symmetric configuration, as shown in Figure 4.
In practical operation, the action response device corresponding to the electrical heating start button of 1～No. 5 oil well is catalyst
301st, catalyst 302, catalyst 303, catalyst 304, catalyst 305, break-make pair of this device by 5 response catalysts
Each oil well electrical heating sucker rod carries out manual/auto heating；The function of miscellaneous part and identical in embodiment one, master device
When life is broken down, system automatically switches to stand-by provision work.
Embodiment three need not change voltage, and share a transformator
Fig. 5 is the frequency modulation circulating-heating remote control of another embodiment of the present invention.The embodiment is without the need for changing
Voltage, and share a transformator.
As shown in figure 5, on the basis of embodiment two, then remove one group of transformator and electric parameters transducer, system passes through PLC
The working condition and control contactor 29 of frequency-variable controller 13 and frequency-variable controller B26 and being switched on or switched off for catalyst B29
To select to access main frequency-variable controller 13 or standby variable frequency controller B26, then boost through transformator 24, then by control 1
Action response device contacts device 301, catalyst 302, catalyst corresponding to the electrical heating start button of～No. 5 oil wells
303rd, catalyst 304, the break-make of catalyst 305 carry out manual/auto heating to each oil well electrical heating sucker rod.
The present embodiment still arranges standby frequency-variable controller B26 and control contactor B29, when electric parameters transducer 29,
When frequency-variable controller 13 breaks down, system automatically switches to standby device work.
The device of the embodiment uses relatively easy：Please also refer to shown in Fig. 3, close air-break 11 first
With air-break B24, and relevant parameter is set, mainly included：Heat time heating time T1, heating voltage, T2 interval time, oil well number
Amount N, initial heating pound sign A etc..
Because without the need for switching over to heating voltage, so heating voltage gear need not be selected, directly selecting certain mouthful of needs
The oil well of heating.Assume that the transformator 24 in the present embodiment is output as 800V shelves.
" automatic/to stop/manual " button is pushed " automatic " position in control operation panel, it is assumed that heating is from No. 1 well
Start.Control system in the case where fault message is not detected by, connect, PLC frequency-variable controllers by catalyst 29,301 adhesive of catalyst
13 frequency conversions are exported, then are exported through transformator 24, start to carry out sucker rod electrical heating to No. 1 oil well, and PLC is according to electricity pick-up
The analysis of the electric parameter of device 12 and the collection of electric parameters transducer 25, carries out closed loop feedback to the output current size of frequency-variable controller 13
Control, after T1 heat time heating time for setting is reached, PLC frequency-variable controllers 13 disconnect output, disconnect catalyst 29, catalyst afterwards
301, after time delay certain time interval T 2,13 control contactor 29 of PLC frequency-variable controllers is connected with 302 adhesive of catalyst, transformator 24
800V shelves are output as, and 13 frequency conversion of PLC frequency-variable controllers exports, starts sucker rod electrical heating to be carried out to No. 2 oil wells, sets when reaching
Heat time heating time after T1, PLC frequency-variable controllers 13 disconnect output, disconnect catalyst 29, catalyst 302, one timing of time delay afterwards
Between after T2, now PLC frequency-variable controllers 13 detect No. 3 oil wells and shut down ... ... by that analogy, moves in circles, is that 5 mouthfuls of oil wells add
Heat.
Above three embodiment is merely illustrative, as long as this device includes a frequency conversion control unit 1, boosting rectifier control
Unit 2 and oil well action response contact unit 3 can operate, that is to say, that even no matter how stand-by provision is arranged
Be technical scheme without stand-by provision still fall within the scope of the present invention should be noted that above-described embodiment be example and
The unrestricted present invention, those skilled in the art are possible to design scope of a lot of alternate embodiments without deviating from claims.
Claims (8)
1. a kind of cluster well heating sucker rod frequency modulation circulating-heating remote control, at least includes a set of master device, it is characterized by：
The master device includes frequency conversion control unit, boosting rectifier control unit and the oil well action response catalyst being sequentially connected
Unit；
Wherein described frequency conversion control unit carries out VFC to external power supply, and the unit is also responsible for T1 heat time heating time simultaneously, adds
The setting of hot T2 interval time；The boosting rectifier control unit to frequency conversion after electric current boosted and selected the shelves of voltage output
Position；Then the oil well action response contact unit selects connection to need the oil well heating sucker rod of heating, so according to during heating
Between T1, the setting value of heat-up periods time T2 heating is circulated to N mouth oil wells；
The frequency conversion control unit includes air-break, the first electric parameters transducer and the frequency-variable controller being sequentially connected, institute
Air-break is stated for main power switch, the three-phase voltage of the first electric parameters transducer collection power input, electric current are described
Frequency-variable controller adjusts the frequency of the power supply.
2. cluster well heating sucker rod frequency modulation circulating-heating remote control as claimed in claim 1, it is characterized by：The boosting
Control unit includes a transformator and second electric parameters transducer being connected with the transformator outfan, described
Voltage, electric current after the collection frequency conversion of second electric parameters transducer, boosting, and signal is fed back to the frequency-variable controller.
3. the cluster well heating sucker rod frequency modulation circulating-heating remote control described in claim 1, it is characterized by：The oil well is moved
Making response contact unit includes N number of action response catalyst, and wherein N is the quantity of the electrical heating oil well, and each is described dynamic
Make the corresponding oil well heating sucker rod of response catalyst.
4. the cluster well heating sucker rod frequency modulation circulating-heating remote control as described in claim 1,2 or 3, it is characterized by：Institute
Stating remote control also includes that one is enclosed within the stand-by provision that starts working when the master device breaks down.
5. cluster well heating sucker rod frequency modulation circulating-heating remote control as claimed in claim 4, it is characterized by：The boosting
Control unit also includes that more than be connected with transformer secondary lateral coil 2 are used for selecting the voltage gear of output voltage to contact
Device, the corresponding voltage of each described voltage gear contactor select gear；Portion inside the stand-by provision and the master device
Part identical and be in symmetric configuration.
6. cluster well heating sucker rod frequency modulation circulating-heating remote control as claimed in claim 4, it is characterized by：Described standby
Device only includes and frequency conversion control unit in symmetric configuration and boosting rectifier control list identical with the master device internal part
Unit, the stand-by provision share an oil well action response contact unit with the master device.
7. cluster well heating sucker rod frequency modulation circulating-heating remote control as claimed in claim 6, it is characterized by：Described standby
The boosting rectifier control unit of device and the master device fixes one grade of voltage output respectively, and the voltage output is 1000V.
8. cluster well heating sucker rod frequency modulation circulating-heating remote control as claimed in claim 4, it is characterized by：Described standby
Device only includes identical with the master device internal part and in symmetric configuration frequency conversion control unit, the stand-by provision
A boosting rectifier control unit and an oil well action response contact unit are shared with the master device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310571864.4A CN104635809B (en) | 2013-11-13 | 2013-11-13 | Cluster well heating sucker rod frequency modulation circulating-heating remote control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310571864.4A CN104635809B (en) | 2013-11-13 | 2013-11-13 | Cluster well heating sucker rod frequency modulation circulating-heating remote control |
Publications (2)
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| CN104635809A CN104635809A (en) | 2015-05-20 |
| CN104635809B true CN104635809B (en) | 2017-03-15 |
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| CN201310571864.4A Active CN104635809B (en) | 2013-11-13 | 2013-11-13 | Cluster well heating sucker rod frequency modulation circulating-heating remote control |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105715231B (en) * | 2016-04-29 | 2018-04-24 | 沧州润涛石油设备有限公司 | A kind of clump formula producing well heating unit in turn |
| CN114086917B (en) * | 2020-08-25 | 2023-11-28 | 中国石油天然气股份有限公司 | Method, device, equipment and storage medium for removing wax from oil well |
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