CN105674818B - A kind of electrion drive containing can electrode release energy the method that produces shock wave - Google Patents
A kind of electrion drive containing can electrode release energy the method that produces shock wave Download PDFInfo
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- CN105674818B CN105674818B CN201610075311.3A CN201610075311A CN105674818B CN 105674818 B CN105674818 B CN 105674818B CN 201610075311 A CN201610075311 A CN 201610075311A CN 105674818 B CN105674818 B CN 105674818B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
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- General Engineering & Computer Science (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
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Abstract
A kind of underground drives energetic material to release energy the method that produces shock wave by high-pressure basic granulite, and be installed in device high-field electrode between ground electrode one of the plasma triggering produced with high power pulse electric discharge meets the cylinder that energetic material is made by central wire（Referred to as containing can electrode）Fast reaction, transient burst of energy and a large amount of gases are produced in 50 microseconds, produce high-energy shock wave, with agitate compound action in stratum due to what bubble compression-expansion was produced, so as to reach underground de-plugging, scale removal, form crack, improve seepage flow condition, permeability is improved, the purpose of microchannel is linked up.
Description
Technical field
The present invention relates to a kind of method for producing shock wave, and in particular to a kind of underground is by high-pressure basic granulite
Drive energetic material release energy produce shock wave method.
Background technology
Traditionally, the mode of shock wave is produced in water has chemical energy to discharge and two kinds of utilization of mechanical energy.With chemical explosion,
Detonation is produced in the mode of shock wave, in order to reduce initiation energy, either takes thunder and lightning pipe or blasting cap, it is necessary to improve fried
The sensitiveness of medicine and gunpowder, but explosive is increased simultaneously, the danger of gunpowder brings very big to production safety and social stability
Harm, so the explosive of various Gao Hanneng, gunpowder is by strict control.It is various fried based on macromolecular organic compound
Medicine, gunpowder simultaneously or noxious material, to environment produce pollution.In geological prospecting, so-called man-made explosion is really with machinery
Shock wave can be produced on ground, the stratum of care is coupled to by the graceful ripple layer of earth's surface, inefficiency, resolution ratio is poor.
In the exploitation of the oil gas quasi-fossil energy, the various technical measures for transforming reservoir are realized with Principles of Statics
's.The medium of substantial amounts of energy and transmission energy is needed based on Principles of Statics stimulation technology, and can only be produced specific
Correctional effect on direction, such as hydraulic fracturing.The pressure scale of domestic a bite shale gas well is all places water, more than thousand side's sand, is led
Even if causing the free development technique using the U.S., it is also difficult to realize the economic development of Chinese shale gas.Limited by crustal stress,
Under the conditions of the various stimulation technologies based on Principles of Statics, the recovery ratio only 30% of domestic petroleum exploitation, mass energy is also
Do not produce.
Shock wave is produced under water, except with chemical explosion, outside explosive method, also with the shock wave of electrohydraulic effect generation
Mode.Electrohydraulic effect to carry out electrion in water, only 15% or so；The electrohydraulic effect of modified form is used between electric discharge
The preset one metal wire of gap, is heated rapidly with powerful short circuit dischange electric current, and gasification, ionization, blast produces plasma channel
Conversion of electromagnetic energy is shock wave energy, can increase substantially the energy conversion efficiency of shock wave to 70%.Either with electricity high
Pressure punctures water and still illustrates shock wave with high current explosive metal silk, is all limited by the energy storage of electrical pulse device.In the world, it is beautiful
Preferably, energy storage density reaches 2MJ/M to the electric energy storage technology of state, but strictly forbids being sold to foreign country, and the energy storage technology of the country is about
In 0.2MJ/cm levels.Limited by energy storage density, be restricted with the shock wave application field that electrohydraulic effect is illustrated.
Far above the energy storage density of electric energy, 1 gram of energy content of TNT explosives is 4.8KJ to the energy storage density of chemical energy, and density is about
It is 1.6G/CM, various density containing energy containing energy mixture are with TNT in an order of magnitude.Containing can mixture release energy needs
Precondition, that is, ignite.The general high temperature using moment, high pressure triggers the mixture containing energy to release energy.
The compound electroporation of electric heating is exactly that electroporation is mutually combined with the blasting technology containing energy mixture, comprehensive profit
With pulse electromagnetic energy shock wave is obtained with the abrupt release of the chemical energy containing energy mixture.As a result of high power pulse skill
Art, can reduce the various sensitiveness containing energy mixture, improve the security in production, and can realize repeatedly to the mixture containing energy
More accurate controlled application, for example：Control shock wave neither to injure sleeve pipe in Oil/gas Well, and can be realized by repeatedly effect
Once the brought harm of uncontrollable blast.
In geological prospecting, hypocenter of the explosion or best focus obtain signal resolution preferably, but chemical explosive
Dangerous, the security extreme difference of detonation way, harm of the explosion product to environment results in hypocenter of the explosion and is restricted, or even prohibits
With.
It is larger with the cost that Principles of Statics is transformed oil and gas reservoir, even opened as economy in shale gas exploitation
The biggest obstacle of hair, single blast, detonation effective and the damage to pit shaft cause to coexist, although effectively, but pit shaft is caused
Great injury.
Including including explosive it is various containing can the premises of mixture transient burst of energy be high temperature and HI high impact ripple, can be with more
For strict technological means for the mixture containing energy provides high temperature and HI high impact, then the susceptibility containing energy mixture can be reduced, improved
Security.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, it is an object of the invention to provide a kind of underground by high pressure pulse discharge etc.
Gas ions drive energetic material release energy produce shock wave method, with high power pulse electric discharge produce plasma trigger
It is installed in one in device high-field electrode between ground electrode and the cylinder that energetic material is made is met by central wire（Referred to as
The electrode containing energy）Fast reaction, transient burst of energy and a large amount of gases are produced in 50 microseconds.Generation high-energy shock wave, and by
Compound action is agitated in stratum in what bubble compression-expansion was produced, and so as to reach underground de-plugging, scale removal, form crack, improvement is oozed
Stream condition, improves permeability, links up the purpose of microchannel.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of underground by high-pressure basic granulite drive energetic material release energy produce shock wave method, its
It is characterised by, comprises the following steps：
1) shock wave parameter as needed, selects material, the formula of energetic material, and geometry, size；
2) different energetic materials ignites needs heat or shock wave, different according to demand of igniting, selection unlike material, chi
Very little wire；
3) according to the unlike material capacity different with the wire arrangement of size and the high power pulsed source of peak power；
4) with wire as axis, support bar-shaped around wire by energetic material is coated, and by energetic material with
Groups of metal filaments into complex deliver between upper/lower electrode；
5) isolation impulse capacitor and wire are contacted, and high-voltage DC power supply is impulse capacitor charging；
6) after coaxial type energy-storage pulsed capacitor electricity terminates, trigger instruction isolation switching switch is connected with exploding wires；
7) by wire electro-discharge, there is discharge-induced explosion in wire with impulse capacitor；
8) heat energy, luminous energy or the shock wave energy or independent or collective effect that wire discharge-induced explosion is produced ignite and contain and can mix
Compound produces shock wave.
Electric energy is rapidly converted into described this method the machinery of heat energy, luminous energy and shock wave form in limited region
Can, the heat energy or shock wave energy produced with exploding wires ignite including the various mixtures containing energy including explosive.
The described mixture containing energy is wrapped on wire, and wire is directly concatenated into the discharge loop of impulse capacitor
In, when wire explosion time, produced heat energy, luminous energy and shock wave energy are almost applied directly to containing can draw on mixture
Combustion mixture containing energy.
The beneficial effects of the invention are as follows：
The present invention drives the mixture containing energy to produce shock wave using high power pulse driving source so that only with high power arteries and veins
Rush power supply produces the energy of shock wave that huge conversion occurs by discharge-induced explosion in the electrohydraulic effect or water that puncture water, only with height
Power pulse driving source produces the limitation of the energy source driven energy storage of shock wave in itself, and high power pulse driving source is only served a little
The effect of fire, for producing energy storage capacity of the chemical energy of shock wave than driving source to be in itself higher by tens times,.Such as it is applied in oil gas
The electrical pulse device energy storage of down-hole treatment reservoir is only 4.5kJ, and one gram containing can mixture containing can all in several kJ, using one gram
During TNT, the energy storage capacity of whole device has just been reached.
High pulse power technology is mutually combined with the blasting technology containing energy mixture, the security containing energy mixture is improve
With controllability and the feature of environmental protection.For geological prospecting provides safety, feature of environmental protection hypocentrum cartridge, for oil and gas reservoir transformation provides a kind of peace
Entirely, environmentally friendly pulse renovation technique, for the finite blow-up in special environment provides a kind of safety, controllable, demolition bomb of environmental protection etc..
Brief description of the drawings
Fig. 1 is applied to the structural representation in Oil/gas Well for this method.
Fig. 2 is the environment-friendly type seismic source apparatus schematic diagram that this method is based on the compound electroporation of electric heating.
Fig. 3 is the Experimental equipment of embodiment 3.
Fig. 4 is the Experimental equipment of embodiment 4.
Fig. 5 is the surge waveform curve map of embodiment 3.
Fig. 6 is the surge waveform curve map of embodiment 4.
Specific embodiment
The present invention is further discussed below below in conjunction with accompanying drawing.
Embodiment 1
As shown in figure 1, a kind of underground drives energetic material to release energy by high-pressure basic granulite produces impact
The method of ripple, is the compound electrical pulse device of the electric heating being applied in Oil/gas Well, high-voltage DC power supply 2 and coaxial type energy storage pulse electricity
Container 4, isolation switching switch 5 and mixture 7 integrated the coaxial type entirety, inner wire containing energy being compounded on wire 6
It is high-field electrode, shell is ground electrode.By going into the well, cable 2 is connected with ground power supply switch board 1, and is placed into downhole in reservoir position
Put.
Implementation method is：
Staff is in ground startup power supply switch board 1, by cable 2 of going into the well for high-voltage DC power supply 3 is powered, straightening high
Stream power supply 3 charges for energy-storage pulsed capacitor 4.The one end of isolation control switch 5 connects with the high-pressure side of impulse capacitor, one section with
One end of wire connects.During charging, isolation switches switch cutoff impulse capacitor and wire and the electricity containing energy mixture
Contact.The other end of wire 6 connects with the shell of bottom of device.After impulse capacitor 4 charges to be terminated, isolation switching switch
5 rapid one end that the high-pressure side of impulse capacitor 4 is switched to wire so that the high-pressure side of impulse capacitor is directly by gold
Category silk shorted to earth.Powerful short circuit dischange electric current heats wire in the way of Joule heating rapidly, it is heated up, melt,
Vaporization, ionization, the electric energy that will be stored in impulse capacitor are converted to heat energy, luminous energy and shock wave.The various energy of wire conversion
Amount almost all is applied on the mixture containing energy wrapped around it, and the quick release of energy transmission of the mixture containing energy of igniting is powerful
Shock wave.
Embodiment 2
As shown in Fig. 2 a kind of underground drives energetic material to release energy by high-pressure basic granulite produces impact
The method of ripple, is the environment-friendly type seismic source apparatus based on the compound electroporation of electric heating, and device is by switch board 1, high-voltage DC power supply
2nd, impulse capacitor 3, isolation switching switch 4, trigger 5, high-pressure coaxial cable 6, wire 7 and the mixture 8 containing energy are constituted.
Implementation method is；
Switch board 1 is that high-voltage DC power supply 2 provides primary source, and high-voltage DC power supply charges for impulse capacitor.Pulse
The high-pressure side of capacitor and the output end of high-voltage DC power supply and isolate one end of switching switch and connect.During charging, isolation
Connection between switching 4 turn-off pulse electric capacity 3 of switch and output high-pressure coaxial cable 6.The connection isolation switching of high-pressure coaxial cable 6 is opened
Close（4）One end and wire 7,7 one sections of wire connects with high-pressure coaxial cable 6, and one end is directly grounded.Work as impulse capacitor
After 3 chargings terminate, the instruction isolation switching switch of trigger 6（4）Conducting, impulse capacitor 3 passes through high voltage direct current cable 6 and gold
The shorted to earth electric discharge of category silk 7.
Embodiment 3
Electric detonation is shaken and the electrode generator shock wave energy contrast experiment containing energy
Electric detonation ram-jolt experiment device；
Electric detonation ram-jolt experiment device is made up of following link（As shown in Figure 3）, 1 pond, 2 electric detonations shake air gap, 3 electric detonations
Shake, 4 high pressure lines, 5 high voltage power supplies, 6 sensors, 7 sensor mask lines, 8 signal converters, 9 oscillographs.
Experimental technique is shaken in electric detonation；
The centres that electric detonation shake 3 is placed on water tank 1, by sensor 6 be placed on it is consistent with the electric detonation shake level height of air gap 2, away from electric detonation
Shake air gap 2 has the place of certain distance, and electric detonation shake 3 is connected in high voltage power supply 5 by high-voltage conducting wires 4, when high voltage power supply 5 is to electricity
During 3 powered operation of pinking, electric detonation shake air gap 2 produces shock wave, the shockwave signal of the pickup blast of sensor 6, by sensor
Shielding line 7, shockwave signal is sent in signal converter 8, and oscillograph is sent to by the signal after the treatment of signal converter 8
9, waveform and wave recording, the state of ultimate analysis waveform are observed in oscillograph 9.Figure（5）It is the oscillogram of electric detonation shake generation
Embodiment 4
The electrode surge generator experimental provision containing energy；
The electrode surge generator experimental provision containing energy is made up of following link（As shown in Figure 4）, 1 pond, 2 electricity containing energy
Pole, the 3 electrode surge generators containing energy, 4 high pressure lines, 5 high voltage power supplies, 6 sensors, 7 sensor mask lines, the conversion of 8 signals
Device, 9 oscillographs.
The electrode surge generator experimental technique containing energy；
The surge generator of the electrode containing energy 3 is placed on the centre of water tank 1, and sensor 6 is placed on and the level height of electrode 2 containing energy
Unanimously, there is the place of certain distance away from the electrode 2 containing energy, electric detonation shake 3 is connected in high voltage power supply 5 by high-voltage conducting wires 4, works as high pressure
When power supply 5 is to electrode 3 powered operation of surge generator containing energy, the electrode 2 containing energy produces explosion wave, sensor 6 to pick up quick-fried
Fried shockwave signal, by sensor mask line 7, shockwave signal is sent in signal converter 8, by signal converter
Signal after 8 treatment sends oscillograph 9 to, and waveform and wave recording, the state of ultimate analysis waveform are observed in oscillograph 9.
Figure（6）It is the oscillogram of the blast generation of the electrode containing energy containing energy electrode surge generator
Two experiment graphics Web publishing we it can be found that blast starting and end produce impulse wave oscillogram in,
The pulsewidth in pulse height and later stage, amplitude, amplitude time length, the shock wave figure that the electrode containing energy will be produced than electric detonation shake air gap
Pulsewidth, amplitude, amplitude time length in shape will be big.This just illustrates energy of the electrode containing energy than electric detonation shake air gap generation
Greatly, and the duration is long.So the effect for producing at work is good.
Claims (3)
1. a kind of underground by high-pressure basic granulite drive containing can mixture release energy produce shock wave method, its
It is characterised by, comprises the following steps：
1) shock wave parameter as needed, material of the selection containing energy mixture, formula, and geometry, size；
2) the different mixtures containing energy ignites and needs heat or shock wave, different according to demand of igniting, selection unlike material, size
Wire；
3) according to the unlike material capacity different with the wire arrangement of size and the high power pulsed source of peak power；
4) with wire as axis, will containing can mixture it is coated be made around wire it is bar-shaped, and will contain can mixture with
Groups of metal filaments into complex deliver between upper/lower electrode；
5) isolation impulse capacitor and wire are contacted, and high-voltage DC power supply is impulse capacitor charging；
6) after coaxial type energy-storage pulsed capacitor charges to be terminated, trigger instruction isolation switching switch is connected with wire；
7) by wire electro-discharge, there is discharge-induced explosion in wire with impulse capacitor；
8) heat energy, luminous energy and the shock wave energy collective effect that wire discharge-induced explosion is produced are ignited and contain energy mixture generation impact
Ripple.
2. a kind of underground according to claim 1 drives the mixture containing energy to release energy by high-pressure basic granulite
Produce shock wave method, it is characterised in that methods described in limited region by electric energy be rapidly converted into heat energy, luminous energy and
The mechanical energy of shock wave form, the heat energy or shock wave energy produced with wire ignites including various containing can mix including explosive
Compound.
3. a kind of underground according to claim 1 drives the mixture containing energy to release energy by high-pressure basic granulite
The method for producing shock wave, it is characterised in that the described mixture containing energy is wrapped on wire, and wire is directly concatenated into
In the discharge loop of impulse capacitor, when wire explosion time, produced heat energy, luminous energy and shock wave energy are applied directly to
On the mixture containing energy, ignite the mixture containing energy.
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