CN102322242A - Adjustable frequency-variable resonant electromagnetic wax-proofing device - Google Patents
Adjustable frequency-variable resonant electromagnetic wax-proofing device Download PDFInfo
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- CN102322242A CN102322242A CN201110190631A CN201110190631A CN102322242A CN 102322242 A CN102322242 A CN 102322242A CN 201110190631 A CN201110190631 A CN 201110190631A CN 201110190631 A CN201110190631 A CN 201110190631A CN 102322242 A CN102322242 A CN 102322242A
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Abstract
The invention provides an adjustable frequency-variable resonant electromagnetic wax-proofing device. The device comprises a high-performance electromagnetic conversion device and a control system, wherein the control system receives input pulse width modulation (PWM) square wave pulse and outputs corresponding square wave voltage; the high-performance electromagnetic conversion device receives the square wave voltage to generate an electromagnetic field and adjusts the frequency and duty cycle of the input PWM square wave pulse, so that the frequency, pulse width and strength of the electromagnetic field are periodically changed according to a certain rule, the aggregation state of wax is changed, and the formed crystal is broken and dispersed; therefore, a pipe column of a shaft in an oil well is wax-proofing, a pipeline is wax-proofing, and viscosity is reduced. The adjustable frequency-variable resonant electromagnetic wax-proofing device solves the problems of high operating cost, high time and labor consumption, short effective time and instable effect of the conventional wax-proofing technology, and has the advantages of effectively reducing related workload and related cost input, prolonging the hot washing period of the oil well or the pipeline, preventing the wax from plugging the pipeline or blocking the well so as not to cause a failed well, and the like.
Description
Technical field
The present invention relates to the wax-proofing device that use in a kind of oil field, particularly relate to a kind of adjustable type frequency conversion resonance electromagnetism wax-proofing apparatus.
Background technology
Oil field anti-wax technique commonly used mainly contains hot-washing wax remover, paraffin control with inhibitor and strong magnetic paraffin control technology at present.The hot-washing wax remover period of validity is short, polluted reservoir easily, and heat is washed the back discharge opeing influences oil well output, and it is big that heat is washed the frequent operation amount, increased running cost.Paraffin control with inhibitor is had relatively high expectations to adding method thereof, if medicament content in output liquid is inhomogeneous, is prone to cause the field conduct effect undesirable even invalid; Dosing at regular time and quantity requires operating personnel that stronger sense of responsibility must be arranged; The Wax removing agent majority contains organochlorine, in the crude refining process, is prone to cause equipment corrosion and catalyst poisoning; Paraffin remover belongs to poisonous and harmful substance, and flash-point is low, and is inflammable, dangerous environmental protection.Strong magnetic paraffin control is after after a while, and weakening or efflorescence appears in permanent-magnet material easily, the wax control result disappearance.We have invented a kind of new adjustable type frequency conversion resonance electromagnetism wax-proofing apparatus for this reason, have solved above technical problem.
Summary of the invention
The purpose of invention provide a kind of technology easy, be convenient to management maintenance, effect is obvious, period of validity is long, cost is low and the adjustable type frequency conversion of energy-conserving and environment-protective resonance electromagnetism wax-proofing apparatus.
The object of the invention can be realized through following technical measures: adjustable type frequency conversion resonance electromagnetism wax-proofing apparatus; This adjustable type frequency conversion resonance electromagnetism wax-proofing apparatus comprises high-performance electromagnetic switching device and control system; This control system receives the pulse width modulation square-wave pulse of input; And export corresponding square-wave voltage, this high-performance electromagnetic switching device receives this square-wave voltage to generate an electromagnetic field, and regulates the frequency and the dutycycle of the pulse width modulation square-wave pulse of this input; Make frequency, pulsewidth and the intensity of this electromagnetic field carry out cyclically-varying by a certain rule; And make the coherent condition of wax change, and the crystal fracture of being formed and disperse, thus make well wellbore tubing string wax control and pipeline wax-proof viscosity reducing.
The object of the invention also can be realized through following technical measures:
This high-performance electromagnetic switching device comprises tube core, inductance coil, junction box and end cap; This tube core is used for as the liquid communication passage; This inductance coil is used to produce this electromagnetic field, and this junction box is used to realize and being connected of external power supply, and this end cap is used to realize and being connected of this pipeline.
This high-performance electromagnetic switching device also comprises shell and waterproof filler, and this shell is used to protect this tube core and this inductance coil, and this waterproof filler is filled between this shell and this inductance coil, is used to avoid leaking.
This control system comprises main circuit, isolated drive circuit, single chip machine controlling circuit and interface circuit; This main circuit comprises rectifier, filter circuit and inverter; This rectifier becomes direct current with the single phase industrial frequence AC rectification; This filter circuit is with this direct current filtering of rectifier output, and this inverter is made up of SPM, is used to receive the pulse width modulation control signal that this single chip machine controlling circuit produces; And export this square-wave voltage; This isolated drive circuit is through forceful electric power and light current in the high speed photo coupling buffer circuit, and receives this pulse width modulation control signal and produce the pulse width modulated driving signal that satisfies this SPM reliably working, and this single chip machine controlling circuit mainly is made up of the 89C51 single-chip microcomputer; Produce this pulse width modulation control signal through software control, this interface circuit is used to import this inverter operating frequency.
This interface circuit comprises parameter display circuit and two compositions of keyboard input circuit, and this operating frequency of this inverter is given by this keyboard input circuit input, and this parameter display circuit dynamically shows the working condition of this adjustable type frequency conversion resonance electromagnetism wax-proofing apparatus.
This control system also comprises alarm and protection circuit and overheating protection circuit; This warning circuit is used to prevent SPM to be damaged because of short circuit, overcurrent, overvoltage, situation such as overheated, and this overheating protection circuit is used for preventing that the inductance coil temperature of this high-performance electromagnetic switching device from rising and the superheating phenomenon that produces.
This alarm and protection circuit produces SPM short circuit, overcurrent, overvoltage, under-voltage, heat alarm; And passing to this single chip machine controlling circuit, this overheating protection circuit produces the inductance coil heat alarm, and passes to this single chip machine controlling circuit; This single chip circuit receives this SPM short circuit, overcurrent, overvoltage, under-voltage, heat alarm; And this inductance coil heat alarm, make the 89C51 singlechip interruption, thereby stop the work of this inverter.
This control system also comprises 7279 chips, is the interface chip between this single chip machine controlling circuit and this interface circuit.
This control system also comprises power supply, is used to this control system power supply.
Adjustable type frequency conversion resonance electromagnetism wax-proofing apparatus among the present invention; Utilization is installed in the high-performance electromagnetic switching device on the wellhead flowline, produces powerful field of magnetic forece, its polarizable front and back of powerful electromagnetic energy carbon steel pipe line; And by the magnetic conduction character of medium in oil pipe and the pipe; Along oil pipe two-stage direction,, thereby make the oil-containing medium in upper reaches oil pipe and the downstream oil pipeline all receive magnetic field treated at high-intensity magnetic field that can cover any fluid composition of the inner formation of oil pipe.Simultaneously, the field wave generator of electromagnetism wax-proofing apparatus utilizes advanced freq-variable electronic technology, and the frequency of controlling magnetic field, pulsewidth and intensity are carried out cyclically-varying by a certain rule.The frequency of its variation can overwrite media in the natural frequency of all waxs and other compositions; Paraffin molecule in the crude oil and alternating electromagnetic field generated induced vibration; Cause the enhancing of molecular vibration, the interaction force between the molecule weakens, and then causes the coherent condition of wax to change; The crystal fracture of being formed and disperse finally reach the purpose of well wellbore tubing string wax control and surface gathering and transferring pipeline wax-proof viscosity reducing.
Use magnetic field intensity among the present invention, frequency based on the frequency conversion resonance technique, electromagnetism wax-proofing apparatus that pulsewidth is adjustable substitutes frequent heat and washes, adds technology such as paraffin remover; Can effectively reduce related work amount and correlative charges input; Prolong oil well or pipeline hot washing period, avoid paraffin blockage pipeline or the wax card well of lying.This adjustable type frequency conversion resonance electromagnetism wax-proofing apparatus technology is easy, be convenient to management maintenance, effect is obvious, period of validity is long, cost is low and energy-conserving and environment-protective, has positive role for improving the oil field development economic benefit.
Description of drawings
Fig. 1 is the structure chart of high-performance electromagnetic switching device of the present invention;
Fig. 2 is the sectional drawing of high-performance electromagnetic switching device of the present invention along the A-A direction;
Fig. 3 is the structure chart of control of the present invention system.
The specific embodiment
For make above-mentioned and other purposes of the present invention, feature and advantage can be more obviously understandable, the hereinafter spy enumerates preferred embodiment, and cooperates appended graphicly, elaborates as follows.
With reference to Fig. 1, Fig. 2 and Fig. 3; Adjustable type frequency conversion resonance electromagnetism wax-proofing apparatus is made up of high-performance electromagnetic switching device and control system; Fig. 1 is the structure chart of high-performance electromagnetic switching device of the present invention; Fig. 2 is the sectional drawing of high-performance electromagnetic switching device of the present invention along the A-A direction, and Fig. 3 is the structure chart of control system of the present invention.As depicted in figs. 1 and 2, the high-performance electromagnetic switching device is made up of tube core 101, inductance coil 102, shell 103, junction box 104, waterproof filler 105 and end cap 106.Tube core 101 is used for as the liquid communication passage; Adopt the corrosion-resistant heat proof material of non-magnetizer, inductance coil 102 is used to produce the magnetic field of certain magnetic field intensity, and shell 103 is used to protect tube core, inductance coil; Junction box 104 is used to realize and being connected of external power supply; Waterproof filler 105 is filled between shell and the inductance coil, and rainwater bleeds wherein when being used to avoid site work, and end cap 106 is used for realizing being connected with original ground petroleum pipeline or well head pipeline.
As shown in Figure 3, the control system is made up of main circuit 201, isolated drive circuit 202, single chip machine controlling circuit 203, alarm and protection circuit 204, overheating protection circuit 205, interface circuit 206 and power supply 207.Main circuit 201 adopts AC-DC-AC voltage-type converter plant, and it mainly is made up of rectifier 11, filter circuit 12 and 13 3 of inverters.Rectifier 11 utilizes the uncontrollable rectification module of the unidirectional bridge-type of diode that the single phase industrial frequence AC rectification is become direct current; Filter circuit 12 adopts electric capacity to carry out filtering, and with the direct current filtering of rectifier output, filter capacitor plays the energy storage effect simultaneously; Inverter 13 is made up of SPM (IPM); Be used to receive pulse width modulation (PWM) control signal that this single chip machine controlling circuit 203 produces; And the square-wave voltage of output corresponding frequencies and width; This square-wave voltage is put on the inductance coil 102 among Fig. 1, the electric current of the variation of generation and magnetic field intensity.Isolated drive circuit 202 is through forceful electric power and light current in the high speed photo coupling buffer circuit, received pulse width modulated control signal 14 and produce the PWM that satisfies the IPM reliably working and drive signal simultaneously, and input IPM makes it carry out work.Single chip machine controlling circuit 203 mainly is made up of the 89C51 single-chip microcomputer; Produce the input signal of pwm control signal 14 through software control as IPM; Receive IPM short circuit, overcurrent, overvoltage, under-voltage, overheated etc. signal simultaneously; And inductance coil is because overheated and through the inductance coil heat alarm that overheating protection circuit feeds back, make the 89C51 singlechip interruption, thereby stops the work of inverter reliably.Alarm and protection circuit 204 is used to prevent IPM to be damaged because of short circuit, overcurrent, overvoltage, situation such as overheated, and alarm and protection circuit 204 produces IPM short circuits, overcurrent, overvoltage, under-voltage, overheated etc. signal, and passes to single chip machine controlling circuit 203.Overheating protection circuit 205 is used to prevent that the inductance coil temperature from rising and the superheating phenomenon of generation, and overheating protection circuit 205 produces the inductance coil heat alarms, and passes to single chip machine controlling circuit 203.7279 chips 17 connect single chip machine controlling circuits 203 and interface circuits 206, are the interface chip of 206 of single chip machine controlling circuit 203 and interface circuits.Interface circuit 206 mainly is made up of parameter display circuit 15,16 two of keyboard input circuits; The operating frequency of inverter 13 can be given by 16 inputs of keyboard input circuit, and parameter display circuit 15 can dynamically show the working condition of whole electromagnetism wax-proof viscosity reducing device and control system thereof.Power supply 207 is mainly used in and is this control system power supply.
Operating principle of the present invention is the control system with the PWM square-wave pulse input adjustable type frequency conversion resonance electromagnetism wax-proofing apparatus of certain frequency and dutycycle; The square-wave voltage of control system output corresponding frequencies and width; This square-wave voltage is put on inductance coil, the electric current of the variation of generation and magnetic field intensity.Regulate the PWM wave frequency and the dutycycle of input, can obtain the electromagnetic field of respective frequencies and intensity.Utilization is installed in the high-performance electromagnetic switching device on the wellhead flowline; Produce powerful field of magnetic forece; Its polarizable front and back of powerful electromagnetic energy carbon steel pipe line, and by the magnetic conduction character of medium in oil pipe and the pipe, along oil pipe two-stage direction; At high-intensity magnetic field that can cover any fluid composition of the inner formation of oil pipe, thereby make the oil-containing medium in upper reaches oil pipe and the downstream oil pipeline all receive magnetic field treated.Simultaneously, the field wave generator of electromagnetism wax-proofing apparatus utilizes advanced freq-variable electronic technology, and the frequency of controlling magnetic field, pulsewidth and intensity are carried out cyclically-varying by a certain rule.The frequency of its variation can overwrite media in the natural frequency of all waxs and other compositions; Paraffin molecule in the crude oil and alternating electromagnetic field generated induced vibration; Cause the enhancing of molecular vibration, the interaction force between the molecule weakens, and then causes the coherent condition of wax to change; The crystal fracture of being formed and disperse finally reach the purpose of well wellbore tubing string wax control and surface gathering and transferring pipeline wax-proof viscosity reducing.
Claims (9)
1. adjustable type frequency conversion resonance electromagnetism wax-proofing apparatus is characterized in that, this adjustable type frequency conversion resonance electromagnetism wax-proofing apparatus comprises high-performance electromagnetic switching device and control system; This control system receives the pulse width modulation square-wave pulse of input; And export corresponding square-wave voltage, this high-performance electromagnetic switching device receives this square-wave voltage to generate an electromagnetic field, and regulates the frequency and the dutycycle of the pulse width modulation square-wave pulse of this input; Make frequency, pulsewidth and the intensity of this electromagnetic field carry out cyclically-varying by a certain rule; And make the coherent condition of wax change, and the crystal fracture of being formed and disperse, thus make well wellbore tubing string wax control and pipeline wax-proof viscosity reducing.
2. adjustable type frequency conversion resonance electromagnetism wax-proofing apparatus according to claim 1; It is characterized in that; This high-performance electromagnetic switching device comprises tube core, inductance coil, junction box and end cap, and this tube core is used for as the liquid communication passage, and this inductance coil is used to produce this electromagnetic field; This junction box is used to realize and being connected of external power supply, and this end cap is used to realize and being connected of this pipeline.
3. adjustable type frequency conversion resonance electromagnetism wax-proofing apparatus according to claim 2; It is characterized in that; This high-performance electromagnetic switching device also comprises shell and waterproof filler; This shell is used to protect this tube core and this inductance coil, and this waterproof filler is filled between this shell and this inductance coil, is used to avoid leaking.
4.4. adjustable type frequency conversion resonance electromagnetism wax-proofing apparatus according to claim 1; It is characterized in that this control system comprises main circuit, isolated drive circuit, single chip machine controlling circuit and interface circuit, this main circuit comprises rectifier, filter circuit and inverter; This rectifier becomes direct current with the single phase industrial frequence AC rectification; This filter circuit is with this direct current filtering of rectifier output, and this inverter is made up of SPM, is used to receive the pulse width modulation control signal that this single chip machine controlling circuit produces; And export this square-wave voltage; This isolated drive circuit is through forceful electric power and light current in the high speed photo coupling buffer circuit, and receives this pulse width modulation control signal and produce the pulse width modulated driving signal that satisfies this SPM reliably working, and this single chip machine controlling circuit mainly is made up of the 89C51 single-chip microcomputer; Produce this pulse width modulation control signal through software control, this interface circuit is used to import this inverter operating frequency.
5. adjustable type frequency conversion resonance electromagnetism wax-proofing apparatus according to claim 4; It is characterized in that; This interface circuit comprises parameter display circuit and two compositions of keyboard input circuit; This operating frequency of this inverter is given by this keyboard input circuit input, and this parameter display circuit dynamically shows the working condition of this adjustable type frequency conversion resonance electromagnetism wax-proofing apparatus.
6. adjustable type frequency conversion resonance electromagnetism wax-proofing apparatus according to claim 4; It is characterized in that; This control system also comprises alarm and protection circuit and overheating protection circuit; This warning circuit is used to prevent SPM to be damaged because of short circuit, overcurrent, overvoltage, situation such as overheated, and this overheating protection circuit is used for preventing that the inductance coil temperature of this high-performance electromagnetic switching device from rising and the superheating phenomenon that produces.
7. adjustable type frequency conversion resonance electromagnetism wax-proofing apparatus according to claim 6; It is characterized in that this alarm and protection circuit produces SPM short circuit, overcurrent, overvoltage, under-voltage, heat alarm, and passes to this single chip machine controlling circuit; This overheating protection circuit produces the inductance coil heat alarm; And passing to this single chip machine controlling circuit, this single chip circuit receives this SPM short circuit, overcurrent, overvoltage, under-voltage, heat alarm, and this inductance coil heat alarm; Make the 89C51 singlechip interruption, thereby stop the work of this inverter.
8. adjustable type frequency conversion resonance electromagnetism wax-proofing apparatus according to claim 4 is characterized in that this control system also comprises 7279 chips, is the interface chip between this single chip machine controlling circuit and this interface circuit.
9. adjustable type frequency conversion resonance electromagnetism wax-proofing apparatus according to claim 4 is characterized in that this control system also comprises power supply, is used to this control system power supply.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110190631A CN102322242A (en) | 2011-07-08 | 2011-07-08 | Adjustable frequency-variable resonant electromagnetic wax-proofing device |
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| CN201110190631A CN102322242A (en) | 2011-07-08 | 2011-07-08 | Adjustable frequency-variable resonant electromagnetic wax-proofing device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141472A (en) * | 2013-08-12 | 2014-11-12 | 浙江精汇石油设备有限公司 | JH-11 type all-intelligent variable-frequency electromagnetic paraffin control and viscosity reduction device for oil-water well |
| CN107514543A (en) * | 2017-09-27 | 2017-12-26 | 上海权宥环保科技有限公司 | A kind of pulsed magnetic field de-plugging viscosity reduction equipment |
| CN108643862A (en) * | 2018-05-15 | 2018-10-12 | 郑州工业应用技术学院 | A kind of Novel oil well electromagnetism paraffin cleaner |
| CN109469827A (en) * | 2018-12-10 | 2019-03-15 | 武汉富世达能源科技股份有限公司 | A kind of ultrasonic magnetic can gather viscosity-falling unit |
| CN114544919A (en) * | 2022-01-25 | 2022-05-27 | 中国石油大学(北京) | Method, system and device for regulating viscosity of emulsion |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104141472A (en) * | 2013-08-12 | 2014-11-12 | 浙江精汇石油设备有限公司 | JH-11 type all-intelligent variable-frequency electromagnetic paraffin control and viscosity reduction device for oil-water well |
| CN107514543A (en) * | 2017-09-27 | 2017-12-26 | 上海权宥环保科技有限公司 | A kind of pulsed magnetic field de-plugging viscosity reduction equipment |
| CN108643862A (en) * | 2018-05-15 | 2018-10-12 | 郑州工业应用技术学院 | A kind of Novel oil well electromagnetism paraffin cleaner |
| CN109469827A (en) * | 2018-12-10 | 2019-03-15 | 武汉富世达能源科技股份有限公司 | A kind of ultrasonic magnetic can gather viscosity-falling unit |
| CN114544919A (en) * | 2022-01-25 | 2022-05-27 | 中国石油大学(北京) | Method, system and device for regulating viscosity of emulsion |
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Application publication date: 20120118 |