CN207701117U - A kind of extended reach well perforation perforating bullet - Google Patents
A kind of extended reach well perforation perforating bullet Download PDFInfo
- Publication number
- CN207701117U CN207701117U CN201721048209.0U CN201721048209U CN207701117U CN 207701117 U CN207701117 U CN 207701117U CN 201721048209 U CN201721048209 U CN 201721048209U CN 207701117 U CN207701117 U CN 207701117U
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- China
- Prior art keywords
- priming
- level
- drug slot
- body shell
- slot
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of extended reach well perforation perforating bullets, including body shell, body shell upper end is provided with ignition slot body shell upper end and is provided with ignition slot, body is installed in the body shell, upper end is equipped with apparatus to cause bursting in the body, the apparatus to cause bursting includes leading quick-fried silk, the quick-fried silk lower end of leading is equipped with washer, the washer lower end is equipped with the first priming, first priming lower end is equipped with the second priming, the utility model is provided with ignition slot by body shell upper end, apparatus to cause bursting is set to trigger, washer is installed by leading quick-fried silk lower end, make to lead quick-fried silk to leave with the first detonation connective, the first priming is installed by washer lower end, the first priming is set to burn, the second priming is installed by the first priming lower end, the second priming is set to burn.
Description
Technical field
The utility model is related to oil field development technical field, specially a kind of extended reach well perforation perforating bullet.
Background technology
More and more with the exploitation in oil field, perforating technology is one of current main completion method, and perforation is by penetrating
The cumulative principle of hole bullet is completed, and perforating bullet generates high temperature and pressure metal jet squeezing bushing and stratum after being detonated, when penetrating
Flowing pressure is more than the yield strength of formation rock, and duct will be formed in stratum.
Drilling well job requirement at present is high, and depth is big, and the explosion space needed is big, and the fragment after perforating bullet explosion can be
Residual contamination can be caused in well, many tiny fragments can remain in well, if a kind of big displacement is designed, and plasting damage effect
Greatly, the perforating bullet of residual contamination is reduced, so that it may to solve problems, for this purpose, it is proposed that a kind of extended reach well perforation is with penetrating
Hole bullet.
Utility model content
The purpose of this utility model is to provide a kind of extended reach well perforation perforating bullets, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions：A kind of extended reach well perforation perforating bullet, packet
Body shell is included, body shell upper end is provided with ignition slot body shell upper end and is provided with ignition slot, pacifies in the body shell
Equipped with body, upper end is equipped with apparatus to cause bursting in the body, and the apparatus to cause bursting includes leading quick-fried silk, described to lead quick-fried silk lower end peace
Equipped with washer, the washer lower end is equipped with the first priming, and first priming lower end is equipped with the second priming, described
Level-one drug slot is installed, and level-one drug slot is engaged in the first priming, and an explosive B B is equipped in the level-one drug slot in body,
First cavity liner is installed, first cavity liner lower end is equipped with two level drug slot, and two level drug slot connects under the level-one drug slot
Together in the second priming, two explosive B Bs are installed in the two level drug slot, groove, the two level medicine are provided in the two level drug slot
Slot lower end is equipped with the second cavity liner.
Preferably, body shell upper end is pyramid type.
Preferably, the quantity of the groove is five.
Preferably, second cavity liner is tapered.
Compared with prior art, the utility model has the beneficial effects that：It is provided with ignition slot by body shell upper end, makes to draw
Quick-fried device can trigger, and washer is equipped with by leading quick-fried silk lower end, make to lead quick-fried silk and left with the first detonation connective, by under washer
End is equipped with the first priming, so that the first priming is burnt, is equipped with the second priming by the first priming lower end, makes
Second priming can burn, and by being equipped with level-one drug slot in body, and level-one drug slot is engaged in the first priming, makes level-one
An explosive B B in drug slot can combustion explosion, two level drug slot is equipped with by the first cavity liner lower end, and two level drug slot engages
In the second priming, two explosive B B combustion explosions in two level drug slot is enable to make perforation by being provided with groove in two level drug slot
Fragment after bullet explosion is complete, is not easy to leakage and pollutes.
Description of the drawings
Fig. 1 is the utility model structure sectional view；
Fig. 2 is the utility model two level drug slot structural schematic diagram.
In figure：1, body shell, 11, ignite slot, 2, body, 3, apparatus to cause bursting, 31, lead quick-fried silk, 32, washer, 33, first
Priming, the 34, second priming, 4, level-one drug slot, 41, one explosive B B, the 5, first cavity liner, 6, two level drug slot, 61, two level it is fried
Medicine, 62, groove, the 7, second cavity liner.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of extended reach well perforation perforating bullet, including
Body shell 1, it is characterised in that：1 upper end of body shell, which is provided with, ignites slot 11, so that apparatus to cause bursting 3 is triggered, the bullet
Body 2 is installed, upper end is equipped with apparatus to cause bursting 3 in the body 2, and the apparatus to cause bursting 3 includes leading quick-fried silk in body case 1
31,31 lower end of quick-fried silk of leading is equipped with washer 32, makes to lead quick-fried silk 31 and keep apart with the first priming 33,32 lower end of the washer
First priming 33 is installed, the first priming 33 is enable to burn, 33 lower end of the first priming is equipped with the second detonation
Medicine 34 enables the second priming 34 to burn, and level-one drug slot 4 is equipped in the body 2, and level-one drug slot 4 is engaged in first
Priming 33 enables 41 combustion explosion of an explosive B B in level-one drug slot 4, an explosive B B is equipped in the level-one drug slot 4
41, the first cavity liner 5 is installed under the level-one drug slot 4,5 lower end of the first cavity liner is equipped with two level drug slot 6, and two level
Drug slot 6 is engaged in the second priming 34, enables two explosive B B combustion explosions in two level drug slot, pacifies in the two level drug slot 6
Equipped with two explosive B Bs 61, it is provided with groove 62 in the two level drug slot 6, the fragment after making perforating bullet explode is complete, is not easy to leak out
It pollutes, 6 lower end of two level drug slot is equipped with the second cavity liner 7.
Specifically, 1 upper end of body shell is pyramid type, air drag is reduced when perforating bullet being made to emit.
Specifically, the quantity of the groove 62 is five, make two explosive B Bs, 61 explosion time, two level drug slot 6 can be recessed
It collapses broken at slot 62, reduces tiny fragment.
Specifically, second cavity liner 7 is tapered, make the jet stability after explosion, continuous.
Operation principle：After perforation cartridge ejection, apparatus to cause bursting 3 is triggered, makes to lead quick-fried silk 3 and light, by the burning for leading quick-fried silk 3
The first priming 33 is set to reach burning point, the first priming 33 starts to burn, and the burning of the first priming 33 makes in level-one drug slot 4
One explosive B B, 41 combustion explosion, since the first priming 33 is in contact with the second priming 34, the second priming 34 burns simultaneously,
The burning of second priming 34 makes two explosive B Bs, 61 combustion explosion in two level drug slot 6.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (4)
1. a kind of extended reach well perforation perforating bullet, including body shell（1）, it is characterised in that：The body shell（1）Upper end
It is provided with ignition slot（11）, the body shell（1）Body is inside installed（2）, the body（2）Interior upper end is equipped with apparatus to cause bursting
（3）, the apparatus to cause bursting（3）Including leading quick-fried silk（31）, described to lead quick-fried silk（31）Lower end is equipped with washer（32）, the washer
（32）Lower end is equipped with the first priming（33）, first priming（33）Lower end is equipped with the second priming（34）, described
Body（2）Level-one drug slot is inside installed（4）, and level-one drug slot（4）It is engaged in the first priming（33）, the level-one drug slot（4）
One explosive B B is inside installed（41）, the level-one drug slot（4）Under the first cavity liner is installed（5）, first cavity liner（5）Under
End is equipped with two level drug slot（6）, and two level drug slot（6）It is engaged in the second priming（34）, the two level drug slot（6）Inside it is equipped with
Two explosive B Bs（61）, the two level drug slot（6）On be provided with groove（62）, the two level drug slot（6）Lower end is equipped with the second Types of Medicine
Cover（7）.
2. a kind of extended reach well perforation perforating bullet according to claim 1, it is characterised in that：The body shell（1）
Upper end is pyramid type.
3. a kind of extended reach well perforation perforating bullet according to claim 1, it is characterised in that：The groove（62）Number
Amount is five.
4. a kind of extended reach well perforation perforating bullet according to claim 1, it is characterised in that：Second cavity liner
（7）It is tapered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721048209.0U CN207701117U (en) | 2017-08-21 | 2017-08-21 | A kind of extended reach well perforation perforating bullet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721048209.0U CN207701117U (en) | 2017-08-21 | 2017-08-21 | A kind of extended reach well perforation perforating bullet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207701117U true CN207701117U (en) | 2018-08-07 |
Family
ID=63020835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721048209.0U Expired - Fee Related CN207701117U (en) | 2017-08-21 | 2017-08-21 | A kind of extended reach well perforation perforating bullet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207701117U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115492559A (en) * | 2022-11-15 | 2022-12-20 | 吉林市双林射孔器材有限责任公司 | Composite sand-proof perforating bullet |
-
2017
- 2017-08-21 CN CN201721048209.0U patent/CN207701117U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115492559A (en) * | 2022-11-15 | 2022-12-20 | 吉林市双林射孔器材有限责任公司 | Composite sand-proof perforating bullet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180807 Termination date: 20190821 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |