CN108278106B - A kind of transmission increasing cumulative stick and preparation method thereof for generating controllable shock wave - Google Patents
A kind of transmission increasing cumulative stick and preparation method thereof for generating controllable shock wave Download PDFInfo
- Publication number
- CN108278106B CN108278106B CN201810032262.4A CN201810032262A CN108278106B CN 108278106 B CN108278106 B CN 108278106B CN 201810032262 A CN201810032262 A CN 201810032262A CN 108278106 B CN108278106 B CN 108278106B
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- Prior art keywords
- wire
- end cap
- insulation crust
- cumulative stick
- shock wave
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
- E21C37/18—Other methods or devices for dislodging with or without loading by electricity
Abstract
The invention belongs to shock waves to generate equipment technical field, and in particular to a kind of transmission increasing cumulative stick and preparation method thereof for generating controllable shock wave, its object is to improve the permeability of reservoir.The technical scheme is that a kind of for generating the transmission increasing cumulative stick of controllable shock wave, including insulation crust, wire and energetic material, the insulation crust is hollow cylinder closed at both ends, wire is fixed along central axis and stretches out the both ends of insulation crust, and energetic material is filled between wire and insulation crust；Meanwhile the present invention also provides a kind of for generating the transmission increasing cumulative stick preparation method of controllable shock wave.The energetic material of wire driving different quality in the present invention generates controllable shock wave in reservoir, and energy is adjustable, securely and reliably.
Description
Technical field
The invention belongs to shock waves to generate equipment technical field, and in particular to a kind of for generating the anti-reflection of controllable shock wave
Type cumulative stick and preparation method thereof.
Background technique
Shale gas, coal-bed gas exploitation, control of coalmine gas need to improve the permeability of reservoir, with high enegry gas fracturing, depth
Empty presplit blasting, carbon dioxide pressure break be representative dynamics measure because energy it is huge, Yi Yinqi pit shaft, drilling safety ask
Topic；In electroporation, the shock wave generated with electrohydraulic effect, wire discharge-induced explosion is because shock wave energy is derived solely from electricity
The electric energy of pulsing unit storage, exported shock wave are again too small, it is difficult to tell on.
Summary of the invention
It is an object of the invention to improve the permeability of reservoir, and provide a kind of for generating the anti-reflection of controllable shock wave
Type cumulative stick and preparation method thereof, wire discharge-induced explosion plasma can directly drive the energetic material of any quality, produce
The raw controllable shock wave needed.
To achieve the goals above, the technical scheme is that
It is a kind of for generating the transmission increasing cumulative stick of controllable shock wave, be characterized in that including insulation crust, metal
Silk and energetic material, the insulation crust are hollow cylinder closed at both ends, and wire is fixed along central axis and stretched out absolutely
The both ends of edge shell, energetic material are filled between wire and insulation crust.
Further, 1.0~1.4g/cm of filling density of the energetic material3, loadings 3.0-3.5g.
Further, the ingredient of the energetic material is by weight percentage are as follows: aluminium powder 20-30%, ammonium perchlorate 70-
80%.
Further, the diameter of the wire is 300~500 μm, and material is tungsten, tantalum or copper.
Further, the insulation crust includes tube-like envelope ontology and the end cap that tube-like envelope ontology both ends are arranged in,
The center of two end caps is equipped with the fixed column for being convex to insulation crust inner cavity, and the end cap central is equipped with through-hole, the wire
Through-hole stretches out the both ends of insulation crust on end cap.
Further, the insulation crust includes test tube shaped outer cover body and test tube shaped outer cover body open end is arranged in
End cap, the closed end of test tube shaped outer cover body and the center of end cap are equipped with the fixed column for being convex to insulation crust inner cavity, the examination
The closed end of tubular shell ontology is equipped with through-hole, is arranged on the end cap of open end and also is provided with through-hole, the wire is worn respectively
The through-hole crossed on test tube shaped outer cover body and end cap stretches out the both ends of insulation crust.
Further, the outer diameter of the insulation crust is 11.9-12.1mm, length 59.9-60.1mm.
Meanwhile the present invention also provides above-mentioned for generating the transmission increasing cumulative stick preparation method of controllable shock wave, spy
Different place is: the following steps are included:
(1) tube-like envelope ontology and two end caps are processed into using insulated pipes used, or are processed into outside test tube shaped using bar
Shell ontology and an end cap；
(2) wire is first passed through into the end cap of outer cover body one end and is cemented using bonding agent, then by the end cap and tubulose
Securely, wire passes through tube-like envelope body interior and is involved by the other end outer cover body bonding；
Or it after being penetrated wire by the through-hole of test tube shaped outer cover body closed end and cementing, passes through straight inside outer cover body
It connects and is involved by the other end；
(3) strong oxidizer ammonium perchlorate and aluminium powder are uniformly mixed in a reservoir, form energetic material；
(4) energetic material is inserted in the insulation crust that one end is blocked, then energetic material is consolidated, packed density 1.0
~1.4g/cm3, loading 3.0-3.5g；
(5) in the end cap sidewall gluing of the outer cover body other end, wire is made to pass through the through-hole on the end cap, by end cap pressure
Enter tube-like envelope ontology port, wire is straightened, and in the through-hole gluing of end cap.
Further, the above-mentioned transmission increasing cumulative stick preparation method for generating controllable shock wave is further comprising the steps of:
(6) after bonded adhesives solidifies cling completely, the cumulative stick prepared is sent into pressure vessel, is injected to container
Water, and it is pressurized to 0.5MPa, pressure maintaining 5 hours；
(7) cumulative stick is taken out from pressure vessel, checks whether gluing surface has infiltration, and it is useless that the cumulative stick of infiltration is considered as substandard products
It abandons, impermeable cumulative stick is certified products.
Further, above-mentioned for generate the preparation method of the transmission increasing cumulative stick of controllable shock wave to further include following step
It is rapid:
(8) the certified products cumulative stick of time processing amount 3%-5% is taken, with energy storage for 1.5kJ pulse power driving source, specified
Operating voltage 30kV under the conditions of exporting pulse current 30kA, does driving experiment, and at cumulative stick 50-55cm, actual measurement is impacted
Wave amplitude, it is qualified product that shock wave amplitude, which is greater than 4MPa and is less than 10MPa,.
Compared with the prior art, the advantages of the present invention are as follows:
1, the insulation crust is hollow cylinder closed at both ends, and wire is fixed along central axis and stretched out outside insulation
The both ends of shell, energetic material are filled between wire and insulation crust.Wire drives the energetic material of different quality to generate
Shock wave can be controlled according to actual needs in reservoir, generated energy size, and the energy generated is much larger than
The shock wave energy of electroporation output, can improve the permeability of reservoir well while guaranteeing safe.
2, the ingredient precentagewise of energetic material is set as: aluminium powder 20-30%, ammonium perchlorate 70-80%, energetic material
Load 1.0~1.4g/cm of density3, loadings 3.0-3.5g, such energetic material is easier to be detonated by wire, and contains energy
Material reacts more sufficiently in drive response.
3, energetic material is filled between wire and insulation crust, using bonding agent by wire and end cap and end cap
With shell adhering and sealing, guarantees that seepage problem will not be generated when cumulative stick uses under water, influence Detonation Initiation Effect.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of inventive embodiments cumulative stick；
Fig. 2 is another structural schematic diagram of inventive embodiments cumulative stick；
Fig. 3 is the waveform diagram of inventive embodiments.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to being originally described in detail:
It is a kind of for generating the transmission increasing cumulative stick of controllable shock wave, including insulation crust 1, wire 2 and energetic material
3, the insulation crust 1 is hollow cylinder closed at both ends, and wire 2 is fixed along central axis and stretches out insulation crust 1
Both ends, energetic material 3 are filled between wire 2 and insulation crust 1.
The ingredient of the energetic material 3 is by weight percentage are as follows: aluminium powder 20-30%, ammonium perchlorate 70-80% contain energy
1.0~1.4g/cm of filling density of material 33, loadings 3.0-3.5g.The diameter of wire 2 is 300~500 μm, and material is
Tungsten, tantalum or copper.
As shown in Figure 1, the outer diameter of the insulation crust 1 is 12mm, length 60mm, wall thickness 1mm, including outside test tube shaped
Shell ontology 11 and the end cap 12 that 11 open end of test tube shaped outer cover body is set, the closed end of test tube shaped outer cover body 11 and end cap
12 center is equipped with the fixed column for being convex to 1 inner cavity of insulation crust, and the closed end of the test tube shaped outer cover body 11 is equipped with through-hole
13, it is arranged on the end cap 12 of open end and also is provided with through-hole 13, the wire 2 is each passed through test tube shaped outer cover body 11 and end
Through-hole 13 on lid 12 stretches out the both ends of insulation crust 1.
As shown in Fig. 2, the outer diameter of the insulation crust 1 is 12mm, length 60mm, wall thickness 1mm, including tube-like envelope
Ontology 11 and the end cap 12 that 11 both ends of tube-like envelope ontology are arranged in, the center of two end caps 12, which is equipped with, is convex to insulation crust 1
The fixed column of inner cavity, 12 center of end cap at 11 both ends of tube-like envelope ontology are equipped with through-hole 13, and wire 2 passes through through-hole on end cap 12
13 stretch out the both ends of insulation crust 1.
The above-mentioned transmission increasing cumulative stick preparation method for being used to generate controllable shock wave, comprising the following steps:
(1) using tubular object extruding at tube-like envelope ontology 11 and two end caps 12, or bar is used to be processed into outside test tube shaped
Shell ontology 11 and an end cap 12；
(2) wire 2 is first passed through into the end cap 12 of 11 one end of outer cover body and is cemented using bonding agent, then by the end cap 12
Be bonded with tube-like envelope ontology 11 secured, wire 2, which passes through, to be involved inside tube-like envelope ontology 11 by the other end；
Or after being penetrated wire 2 by the through-hole 13 of 11 closed end of test tube shaped outer cover body and cementing, pass through outer cover body
11 inside are directly involved by the other end；
(3) strong oxidizer ammonium perchlorate and aluminium powder are uniformly mixed in a reservoir, form energetic material 3；
(4) energetic material 3 is inserted in the insulation crust 1 that one end is blocked, then energetic material 3 is consolidated, packed density is
1.0~1.4g/cm3, loading 3.0-3.5g；
(5) in the 12 side gluing of end cap of 11 other end of outer cover body, wire 2 is made to pass through the through-hole on the end cap 12
13, end cap 12 is pressed into 11 port of outer cover body, wire 2 is straightened, and in 13 gluing of the through-hole of end cap 12；
(6) after bonded adhesives solidifies cling completely, the cumulative stick prepared is sent into pressure vessel, is injected to container
Water, and it is pressurized to 0.5MPa, pressure maintaining 5 hours；
(7) insulation crust of the cumulative stick is transparent material, after taking out cumulative stick in pressure vessel, observes gluing surface
Whether infiltration is had, and the cumulative stick of infiltration is considered as substandard products and discards, and impermeable cumulative stick is certified products.
(8) the certified products cumulative stick of time processing amount 3%-5% is taken, with energy storage for 1.5kJ pulse power driving source, specified
Operating voltage 30kV under the conditions of exporting pulse current 30kA, does driving experiment, and at cumulative stick 50-55cm, actual measurement is impacted
Wave amplitude, as shown in figure 3, it is qualification that shock wave amplitude, which is greater than 4Mpa and is less than 10MPa,.
Claims (6)
1. a kind of for generating the transmission increasing cumulative stick of controllable shock wave, it is characterised in that: including insulation crust (1), wire
(2) and energetic material (3), the insulation crust (1) are hollow cylinder closed at both ends, and wire (2) is solid along central axis
Determine and stretch out the both ends of insulation crust (1), energetic material (3) is filled between wire (2) and insulation crust (1)；
The filling density 1.0-1.4g/cm of the energetic material (3)3, loadings 3.0-3.5g；
The ingredient of the energetic material (3) is aluminium powder 20-30%, ammonium perchlorate 70-80% by weight percentage；
The diameter of the wire (2) is 300-500 μm, and material is tungsten, tantalum or copper；
The outer diameter of the insulation crust (1) is 11.9-12.1mm, length 59.9-60.1mm.
2. according to claim 1 for generating the transmission increasing cumulative stick of controllable shock wave, it is characterised in that: the insulation
Shell (1) includes the end cap (12) of tube-like envelope ontology (11) and setting at tube-like envelope ontology (11) both ends, two end caps
(12) center is equipped with the fixed column for being convex to insulation crust (1) inner cavity, and end cap (12) center is equipped with through-hole (13), described
Wire (2) passes through the both ends that through-hole (13) on end cap (12) stretches out insulation crust (1).
3. according to claim 1 for generating the transmission increasing cumulative stick of controllable shock wave, it is characterised in that: the insulation
Shell (1) includes the end cap (12) of test tube shaped outer cover body (11) and setting in test tube shaped outer cover body (11) open end, test tube
The closed end of shape outer cover body (11) and the center of end cap (12) are equipped with the fixed column for being convex to insulation crust (1) inner cavity, described
The closed end of test tube shaped outer cover body (11) is equipped with through-hole (13), is arranged on the end cap (12) of open end and also is provided with through-hole
(13), the wire (2) is each passed through the through-hole (13) on test tube shaped outer cover body (11) and end cap (12) and stretches out outside insulation
The both ends of shell (1).
4. the transmission increasing cumulative stick preparation method for generating controllable shock wave, it is characterised in that: the following steps are included:
(1) tube-like envelope ontology (11) and two end caps (12) are processed into using insulated pipes used；Or test tube is processed into using bar
Shape outer cover body (11) and an end cap (12)；
(2) wire (2) are first passed through into the end cap (12) of outer cover body (11) one end and is cemented using bonding agent, then by the end cap
(12) Nian Jie with tube-like envelope ontology (11) secured, wire (2), which passes through, to be involved inside tube-like envelope ontology (11) by the other end；
Or after being penetrated wire (2) by the through-hole (13) of test tube shaped outer cover body (11) closed end and cementing, pass through shell sheet
It is directly involved by the other end inside body (11)；
(3) strong oxidizer ammonium perchlorate and aluminium powder are uniformly mixed in a reservoir, are formed energetic material (3)；
(4) energetic material (3) are inserted in the insulation crust (1) that one end is blocked, then energetic material (3) is consolidated, packed density
For 1.0-1.4g/cm3, loading 3.0-3.5g；
(5) in end cap (12) side gluing of outer cover body (11) other end, pass through wire (2) logical on the end cap (12)
End cap (12) are pressed into tube-like envelope ontology (11) port, are straightened wire (2) by hole (13), and are applied in the through-hole of end cap (13)
Glue.
5. according to claim 4 for generating the transmission increasing cumulative stick preparation method of controllable shock wave, which is characterized in that
It is further comprising the steps of:
(6) after bonded adhesives solidifies cling completely, the cumulative stick prepared is sent into pressure vessel, injects water to container, and
It is pressurized to 0.5MPa, pressure maintaining 5 hours；
(7) cumulative stick is taken out from pressure vessel, checks whether gluing surface has infiltration, the cumulative stick of infiltration is considered as substandard products and discards,
Impermeable cumulative stick is certified products.
6. according to claim 5 for generating the transmission increasing cumulative stick preparation method of controllable shock wave, it is characterised in that:
It is further comprising the steps of:
(8) the certified products cumulative stick of time processing amount 3%-5% is taken, with energy storage for 1.5kJ pulse power driving source, in nominal operation
Voltage 30kV under the conditions of exporting pulse current 30kA, does driving experiment, at cumulative stick 50-55cm, surveys amplitude of shock waves
Value, it is qualified product that shock wave amplitude, which is greater than 4MPa and the cumulative stick less than 10MPa,.
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| CN201810032262.4A CN108278106B (en) | 2018-01-12 | 2018-01-12 | A kind of transmission increasing cumulative stick and preparation method thereof for generating controllable shock wave |
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| CN201810032262.4A CN108278106B (en) | 2018-01-12 | 2018-01-12 | A kind of transmission increasing cumulative stick and preparation method thereof for generating controllable shock wave |
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| CN108278106A CN108278106A (en) | 2018-07-13 |
| CN108278106B true CN108278106B (en) | 2019-04-23 |
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| CN110006301A (en) * | 2019-04-04 | 2019-07-12 | 浙江迅蓝智能科技有限公司 | A kind of method of exploding wires driving commercial explosive explosion |
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| CN111472772A (en) * | 2020-04-14 | 2020-07-31 | 西安闪光能源科技有限公司 | Rock breaking rod for generating shock waves and manufacturing method thereof |
| CN111472744A (en) * | 2020-04-14 | 2020-07-31 | 西安闪光能源科技有限公司 | Pre-splitting energy-containing rod for generating controllable shock wave and manufacturing method thereof |
| CN111472774B (en) * | 2020-04-14 | 2021-12-07 | 西安闪光能源科技有限公司 | Composite rock breaking rod for generating controllable shock waves and manufacturing method thereof |
| CN112360472A (en) * | 2020-11-23 | 2021-02-12 | 浙江科技学院 | Two-sided symmetrical electric explosion energy-gathering rock breaking device |
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