CN205243480U - Perforating bullet casing fragmentation collection device - Google Patents
Perforating bullet casing fragmentation collection device Download PDFInfo
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- CN205243480U CN205243480U CN201520895276.0U CN201520895276U CN205243480U CN 205243480 U CN205243480 U CN 205243480U CN 201520895276 U CN201520895276 U CN 201520895276U CN 205243480 U CN205243480 U CN 205243480U
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Abstract
The utility model relates to a perforating bullet casing fragmentation collection device, pressure relief device on the pressure release jar can effectively release the high -pressure gas after the perforating bullet explosion, have solved that the casing fragmentation makes a round trip the collision with explosion jar inner wall under high -pressure gas's effect and the second -time breakage that forms, and then the actual broken degree of observation casing. The pressurization hole joinable pressure device that adopts realizes realizing the simulation to physically bottom situation to the target body that concrete target, sandstone target etc. Has the hole saturation of pressurizeing. There be the influence of truths such as shell clearance, well liquid to its punching quality in it simultaneously still to have solved the perforating bullet at the in -service use in -process. The device compact structure, easy and simple to handle, on -the -spot application effect is good.
Description
Technical field
The utility model relates to a kind of perforating bullet housing fragmentation gathering-device, belongs to used in oil and gas industryThe testing arrangement of explosive.
Background technology
After perforating job, the fragmentation producing after perforating bullet blast can enter by perforation bullet hole along with the detonation pressure that explosive producesEnter in pit shaft and perforation tunnel, likely pollute pit shaft, stop up oil discharge passage and affect follow-up oil producing operation, withTime cannot test perforating bullet due to stratum narrow space practical puncture performance. Because the researcher in the industry wishesUnder surface state, study perforating bullet effect back casing and produce the size of fragmentation and the punching quality of perforating bullet.
Conventionally perforating bullet is in the time carrying out ground experiment, housing under the effect of Explosive Shock Wave, form countless little fragmentations toSurrounding is dispersed, and because the less speed of fragmentation is higher, fragmentation, centered by perforating bullet demolition point, arrives several tens meters of circumferencesWithin the scope of hundred meters, scatter, can only collect a little part. Decompose under explosive effect in order to obtain perforating bullet housingFragmentation, understand the degree of crushing of housing, industry research personnel generally carry out perforating bullet explosion bulge test in steel plate room,By the fragmentation that blocks assembling supporting member in steel plate room, owing to having smoke evacuation window and personnel's access way in steel plate room,Often can only collect 40%～60% fragmentation, cannot quantize like this degree of crushing of perforating bullet housing. Also there is relevant grindingStudy carefully personnel and utilize Simple sealed tank to collect, its major defect is: the first, and do not have pressure-relief measure can make housing brokenSheet is because gases at high pressure and the fragmentation of closed container inwall reciprocating collision producing after perforating bullet blast can cause collecting like thisFragmentation than actual produce little, have influence on the final evaluation to housing fragmentation; The second, do not have analogue perforation bullet to surveyState in examination process in real work, do not have analogue perforation bullet in-gun standoff, perforating gun and shell clearance andThe impact of well liquid on perforating charge capability, so just cannot accurately test out the punching quality of perforating bullet.
Summary of the invention
The technical problem that the utility model solves is: for fear of the deficiencies in the prior art part, the utility model is carriedGoing out a kind of perforating bullet housing fragmentation gathering-device, is that a kind of perforating bullet of effectively collecting is at the fragmentation of back casing that explodes, justIn observing the degree of crushing of housing, can collect the fragmentation that exceedes 90%, simultaneously can also simulation test perforating bullet in realityA kind of fragmentation gathering-device of the punching quality under duty.
The technical solution of the utility model is: design a kind of perforating bullet housing fragmentation gathering-device, comprise pressure release tank 8,Blasting pot 5, target body 9, interior height of burst ring 7, end cap 4, pressure release plug 11 and plug 10; Pressure release tank 8 one end openings, one endSealing, blasting pot 5 one end openings, one end sealing; The blind end of blasting pot 5 is placed on the openend of pressure release tank 8, andThe blind end of blasting pot 5 and pressure release tank 8 mutually docking are connected; Blasting pot 5 openends are provided with end cap 4, and end cap 4 is provided with logicalHole, and end cap 4 is connected mutually with blasting pot 5; On blasting pot 5 blind ends, be provided with blind hole 14 near the one side of target body 9,Another side is provided with locating slot 13; Interior height of burst ring 7 is stuck in locating slot 13; The outer wall both sides of pressure release tank 8 tank bodies are provided with lets outPress hole and pressurization hole, pressure release plug 11 is placed in relief hole, and plug 10 is placed in pressurization hole; In pressure release tank 8 tank bodies, be provided withTarget body 9, is filled with liquid between target body 9 and pressure release tank 8; When work, perforating bullet is stuck in the groove on interior height of burst ring 7; Lead quick-friedSuo Yiduan inserts in the groove on perforating bullet, and draw in the hole that the other end is provided with from end cap 4.
Further technical scheme of the present utility model is: the hole that described end cap 4 is provided with is eccentric orfice 12.
Further technical scheme of the present utility model is: the distance between target body 9 tops and the blind end of blasting pot 5 isDistance between perforating gun and sleeve pipe while test for perforating bullet.
Further technical scheme of the present utility model is: the density of described liquid is 1.0g/cm3～1.6g/cm3.
Further technical scheme of the present utility model is: described interior height of burst ring 7 is the annulus with built-in groove.
Further technical scheme of the present utility model is: described target body 9 is 45 steel targets, or concrete target orSandstone target.
The course of work of the present utility model is: after perforating bullet detonates, the housing of perforating bullet is in the effect of explosive detonation rippleUnder be decomposed into fragmentation not of uniform size, the cavity liner of perforating bullet forms high temperature, high pressure, energy-gathering jetting at a high speed penetrates quick-friedAfter blind hole on fried tank, continue to the target body effect in pressure release tank, until effluxvelocity is to stop on target body for 1 o'clockPerforation, target body can be 45 steel targets, can be also concrete target or sandstone target etc. Simultaneously by perforation in blasting potThe duct that the gases at high pressure that form after bullet blast form by energy-gathering jetting enters into pressure release tank, is reaching on pressure release tankAfter the setting pressure of pressure release plug, pressure release plug by the earth pressure release in pressure release tank in atmosphere. By by blasting potEarth pressure release, reduce number of times and the intensity of housing fragmentation and the fragmentation of closed container inwall reciprocating collision, can make like this receiptsThe fragmentation that collection arrives approaches actual size. After off-test, carry out the detection of perforating bullet fragmentation size, and by surveyingThe punching quality of amount perforating bullet in target body.
Invention effect
Technique effect of the present utility model is:
The first, the pressure relief device on pressure release tank can effectively discharge the gases at high pressure after perforating bullet blast, has solved shellThe second-time breakage that with blasting pot inwall reciprocating collision form of body fragmentation under the effect of gases at high pressure, Jin ErguanExamine the actual degree of crushing of housing.
The second, can accurately test the punching quality of perforating bullet. Adopt pressurization hole can connect pressure device realize rightConcrete target, sandstone target etc. have the target body of hole to pressurize realization to the simulation of bottom situation practically. AdoptTruth when operation that interior height of burst ring, blind hole, shell clearance and well liquid etc. have been simulated perforating bullet reality,Reduce the impact on its punching quality.
The 3rd, fragmentation collection rate is high, reaches more than 90%; Device structure is simple, convenient operation. On-the-spot application effectFruit is good.
The 4th, can observe fragmentation with the situation that explosive detonation pressure enters in pressure release tank and target body is bored a hole in duct, justIn the evaluation to perforating bullet fragmentation.
Brief description of the drawings
Fig. 1 is perforating bullet housing fragmentation gathering-device structural representation
Fig. 2 is end cover structure schematic diagram
Fig. 3 is blasting pot structural representation
Description of reference numerals: 1-primacord; 2-detonator; 3-bolt; 4-end cap; 5-blasting pot; 6-perforating bullet; In 7-High fried ring; 8-pressure release tank; 9-target body; 10-plug; 11-pressure release plug; 12-eccentric orfice; 13-locating slot; 14-blind hole.
Detailed description of the invention
Below in conjunction with concrete embodiment, technical solutions of the utility model are further illustrated.
1. referring to a kind of perforating bullet housing of Fig. 1-Fig. 3 fragmentation gathering-device, comprise bolt 3, end cap 4, blasting pot 5,Interior height of burst ring 7, pressure release tank 8, target body 9, pressure release plug 11 and plug 10. Described end cap 4 is circular configuration,There are 4～12 uniform bolts hole, are provided with and pass through primacord eccentric orfice 4-1, prevent the impact of primacord overbendingDetonation Initiation Effect; Described blasting pot 5, one end openings, with flange, have 4～12 uniform bolts hole on flange, anotherOne end airtight with flange and the bolt hole of opening one end same size, sealing one end is in one of blasting pot 5 insideThe locating slot 13 of height of burst ring 7 in face has designed and placed, locating slot 13 is convenient to the placed in the middle of perforating bullet 6, blasting pot outsideOne side designed blind hole 14. Described interior height of burst ring 7 is the annulus with built-in groove. Described pressure release tank 8 one end openingsWith with flange and the bolt hole of the airtight one end of blasting pot 5 same size, the other end is sealed end, in the middle of blasting pot2～4 relief holes of position distribution and a pressurization hole. Described target body 9 is arranged between two parties to be let out in fried tank 8, and its two ends arePlane, diameter is than the little 5～10mm of the inner diameter of pressure release tank, and height is perforating bullet examination with the difference of the pressure release tank degree of depthGap between perforating gun and sleeve pipe while testing. Described pressure release plug 11 is arranged in the relief hole of letting out fried tank 8. InstituteState clear water and fill at the trial among the gap between pressure release tank and target body, the well when simulating actual perforationLiquid. Described plug 10 is arranged in the pressurization hole of letting out fried tank 8, if target body is the target body that has hole, can pass throughDismounting plug 10 connects the method for pressue device target body is pressurizeed. Described bolt 3 is for end cap 4 and blasting pot5, the connection between blasting pot 5 and pressure release tank 8. Described pressure release tank one end opening with the airtight one end of blasting pot phaseThe flange of same size and bolt hole, the other end is sealed end, profile is disk, blasting pot centre position uniform 2～4Individual relief hole. Described pressure release plug is arranged in the relief hole of blasting pot. Described experiment target be arranged between two parties let out friedIn tank, be cylindrical column target, its two ends are plane, and diameter is than the little 5～10mm of inner diameter of pressure release tank hollow,The outer height of burst of rifle when height is perforating bullet test with the difference of the pressure release tank degree of depth. Described clear water is filled at the trialAmong gap between pressure release tank and experiment target, the well liquid when simulating actual perforation. Described bolt is for endConnection between lid and blasting pot 5, blasting pot and pressure release tank.
When assembling, first pressure release tank is placed on to test site, then pressure release plug is arranged on to the pressure release of pressure release tankKong Zhong. Subsequently test target body is placed in pressure release tank between two parties, pours into clear water, by bolt by pressure release tank and quick-friedFried tank is fixed together, and one end of the then interior built-in groove of height of burst endless belt is upwards placed on the holddown groove of blasting pot insideIn, the locating slot 13 that subsequently perforating bullet 6 that connects primacord 1 is placed on to interior height of burst ring 7 is interior fixing, by primacordThe primacord eccentric orfice 12 that passes through by end cap stretches out outside end cap, then with bolt, end cap and blasting pot is passed throughFlange upper bolt hole is fixed together. Finally, detonator is connected to above primacord.
Carry out perforating bullet fragmentation at application the utility model and collect in process of the test, before Shell test, weight is 423g,Being pressed into after perforating bullet simulation assembling 102 rifles wears 7 " sleeve pipe, the target body of employing is 45 steel targets, is highly 300mm.Connect after primacord and detonator are assembled into test gathering-device and carry out the test of steel target, result of the test is the shell of collectingBody weight is 392g, and housing scrap collecting rate has reached 93%; The penetration depth of perforating bullet on steel target is 285mm,Aperture is 12.5mm.
Claims (6)
1. a perforating bullet housing fragmentation gathering-device, it is characterized in that, comprise pressure release tank (8), blasting pot (5), target body (9), interior height of burst ring (7), end cap (4), pressure release plug (11) and plug (10); Pressure release tank (8) one end openings, one end sealing, blasting pot (5) one end openings, one end sealing; The blind end of blasting pot (5) is placed on the openend of pressure release tank (8), and the blind end of blasting pot (5) and pressure release tank (8) mutually docking be connected; Blasting pot (5) openend is provided with end cap (4), and end cap (4) is provided with through hole, and end cap (4) is connected mutually with blasting pot (5); On blasting pot (5) blind end, be provided with blind hole (14) near the one side of target body (9), another side is provided with locating slot (13); Interior height of burst ring (7) is stuck in locating slot (13); The outer wall both sides of pressure release tank (8) tank body are provided with relief hole and pressurization hole, and pressure release plug (11) is placed in relief hole, and plug (10) is placed in pressurization hole; In pressure release tank (8) tank body, be provided with target body (9), between target body (9) and pressure release tank (8), be filled with liquid; When work, perforating bullet is stuck in the groove on interior height of burst ring (7); Insert in the groove on perforating bullet primacord one end, and draw in the hole that the other end is provided with from end cap (4).
2. a kind of perforating bullet housing fragmentation gathering-device as claimed in claim 1, is characterized in that, the hole that described end cap (4) is provided with is eccentric orfice (12).
3. a kind of perforating bullet housing fragmentation gathering-device as claimed in claim 1, is characterized in that, the distance between perforating gun and sleeve pipe when the distance between target body (9) top and the blind end of blasting pot (5) is perforating bullet test.
4. a kind of perforating bullet housing fragmentation gathering-device as claimed in claim 1, is characterized in that, the density of described liquid is 1.0g/cm3～1.6g/cm3。
5. a kind of perforating bullet housing fragmentation gathering-device as claimed in claim 1, is characterized in that, described interior height of burst ring 7 is the annulus with built-in groove.
6. a kind of perforating bullet housing fragmentation gathering-device as claimed in claim 1, is characterized in that, described target body (9) is 45 steel targets, or concrete target or sandstone target.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520895276.0U CN205243480U (en) | 2015-11-11 | 2015-11-11 | Perforating bullet casing fragmentation collection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520895276.0U CN205243480U (en) | 2015-11-11 | 2015-11-11 | Perforating bullet casing fragmentation collection device |
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| CN205243480U true CN205243480U (en) | 2016-05-18 |
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| CN201520895276.0U Active CN205243480U (en) | 2015-11-11 | 2015-11-11 | Perforating bullet casing fragmentation collection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110656913A (en) * | 2019-10-29 | 2020-01-07 | 大庆金祥寓科技有限公司 | Method for contrast test of well completion effect of perforation process |
| CN113720220A (en) * | 2021-09-29 | 2021-11-30 | 北京理工大学 | Fragment recovery test device capable of testing residual speed and test method thereof |
-
2015
- 2015-11-11 CN CN201520895276.0U patent/CN205243480U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110656913A (en) * | 2019-10-29 | 2020-01-07 | 大庆金祥寓科技有限公司 | Method for contrast test of well completion effect of perforation process |
| CN110656913B (en) * | 2019-10-29 | 2022-05-17 | 大庆金祥寓科技有限公司 | Method for contrast test of well completion effect of perforation process |
| CN113720220A (en) * | 2021-09-29 | 2021-11-30 | 北京理工大学 | Fragment recovery test device capable of testing residual speed and test method thereof |
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