CN104895534A - A perforating bullet and a method of manufacturing the same - Google Patents
A perforating bullet and a method of manufacturing the same Download PDFInfo
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- CN104895534A CN104895534A CN201510166431.XA CN201510166431A CN104895534A CN 104895534 A CN104895534 A CN 104895534A CN 201510166431 A CN201510166431 A CN 201510166431A CN 104895534 A CN104895534 A CN 104895534A
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- China
- Prior art keywords
- perforating bullet
- blast hole
- shell case
- detonating fuse
- jump ring
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Abstract
The invention provides a perforating bullet and a method of manufacturing the same. The perforating bullet comprises a bullet case (1), explosive charges (2) and a detonating fuse (3). The perforating bullet is characterized in that the bullet case (1) is provided with an explosive charge mould cavity (1.1) used for containing the explosive charges (2). The lower end of the explosive charge mould cavity (1.1) is provided with a thin-walled explosive charge liner (4) and the upper end of the explosive charge mould cavity (1.1) is provided with a detonating hole (1.2). The upper end face of the detonating hole (1.2) is planer in structure. The detonating fuse (3) is matched with the detonating hole (1.2) and is connected with the bullet shell (1) through a snap spring (5). The perforating bullet has the remarkable advantages of simple structure, low manufacture cost, high installing efficiency and perforation depth, reliable detonating fuse connection and high quality.
Description
Technical field
The present invention relates to the technical field of perforating bullet, relate to a kind of for perforating bullet in Petroleum Production and preparation method thereof in particular.
Background technology
In the process of Petroleum Production, perforating bullet is the key factor affecting WFI ratio, also affects the further exploitation in oil field.Commercially, because structure is unreasonable, perforating bullet exists that cost of manufacture is high, installation effectiveness is low and ropy problem.But in the prior art, structure or the preparation method of general perforating bullet effectively do not solve the above problems.Such as Chinese patent application publication No. CN 102562010 A, July 11 2012 Shen Qing Publication day, the name of innovation and creation is called medicine type cover perforating bullet, this Patent Case discloses a kind of structure of perforating bullet, by the isostructural combined innovation of housing, powder charge, cavity liner and priming device, achieve this perforating bullet and there is good deep penetration ability, but the priming device of this Patent Case is not innovated, only detonated by propagation of explosion hole, there is the installation of detonating fuse and fixing unstable problem.And for example Chinese patent Authorization Notice No. CN 203008877 U, authorized announcement date on June 19th, 2013, the name of innovation and creation is called perforating bullet shell, which disclose a kind of shell structure of perforating bullet, by the combined innovation of the structure and material of perforation shell case main body, improve perforating depth and the output of perforating bullet, but the upper end of the perforation shell case main body of this Patent Case has a groove, this groove is normally for installing detonating fuse, machined grooves needs special groove milling equipment, and burr is difficult to remove after processing, both there is the problem that cost of manufacture is high, also the quality of perforating bullet is affected.For another example Chinese patent application publication No. CN 103291261 A, September 11 2013 Shen Qing Publication day, the name of innovation and creation is called a kind of perforation through tubing bullet shell case and perforating bullet thereof, this Patent Case discloses the structure of a kind of perforating bullet and shell case thereof, by perforation shell case and the isostructural combined innovation of perforating bullet cap, achieve this perforating bullet and there is processing and feature easy for installation, but the perforation shell case of this Patent Case has a detonating fuse installation portion, add material usage, there is the problem that cost is high.The present invention is by the combined innovation of the structure such as shell case, explosive and detonating fuse and preparation method thereof, and provide a kind of structure simple, cost of manufacture is low, installation effectiveness and penetration depth high, detonating fuse connects reliable, measured perforating bullet of matter and preparation method thereof.
Summary of the invention
The present invention solves the structure of general perforating bullet in prior art or manufacture craft is high less than cost-effectively, efficiency is low and ropy problem, a kind of perforating bullet and preparation method thereof is provided, by the combined innovation of the structures such as shell case, explosive and detonating fuse and preparation method thereof, realizing this perforating bullet, to have structure simple, cost is low, installation effectiveness and penetration depth high, detonating fuse connects reliable, the measured feature of matter; The preparation method realizing this perforating bullet has the low feature of cost of manufacture.
In order to solve the technical problem of above-mentioned existence, the present invention takes following technical proposals: a kind of perforating bullet, comprise shell case, explosive and detonating fuse, it is characterized in that, described shell case is provided with the Types of Medicine chamber for holding explosive, and the lower end in described Types of Medicine chamber is provided with the cavity liner of thin wall construction, the upper end in Types of Medicine chamber is provided with leads blast hole, described upper surface of leading blast hole is plane structure, and described detonating fuse is with to lead blast hole suitable, and detonating fuse is connected by jump ring with shell case.
In use, be connected and fixed in the lower end of this perforating bullet and bullet rifle, ignite detonating fuse, the instantaneous high-temperature explosive blasting of detonating fuse, implements perforation, and explosive produces huge pressure and heat simultaneously, by jump ring and the fusing of thin-walled cavity liner, can not block pipeline.Shell case and explosive are the main body of this perforating bullet; Types of Medicine chamber, for holding explosive; Thin-walled cavity liner, structure is simple, after explosive initiation, can instant melting, can not block pipeline, oil can be carried by pipeline smoothly, the productivity ratio of guarantee oil well; Detonating fuse and lead blast hole, for ignition charge; Upper surface be plane structure lead blast hole, structure is very simple, compared with the structure of a lot of perforating bullet of the prior art, avoiding the groove milling of to process on shell case for installing detonating fuse, also eliminating the burr removing groove milling, having the advantages that cost of manufacture is low; Jump ring, structure is simple, with shell case snapping, easy for installation, jump ring is used for fixing detonating fuse, makes detonating fuse tightly paste jail and leads blast hole, detonating fuse with lead blast hole and be connected reliably, jump ring is made by the spring steel of thin-walled, in explosive initiation process, easily melt, can not pipeline be blocked.
As preferably, described in lead blast hole upper surface be provided with melting paster, described detonating fuse and melting paster close contact.Melting paster, thickness is little, after detonating fuse ignites, can melt; Melting paster, effectively prevents leaking outside of explosive powder, also has moistureproof effect, ensures the quality of perforating bullet.
As preferably, the middle part of described jump ring is provided with the arc groove suitable with detonating fuse.Arc groove, structure is simple, easy to make, for the location of detonating fuse, effectively prevents detonating fuse to be shifted, and ensures detonating fuse and leads blast hole have enough contacts area, improve the quality of this perforating bullet.
As preferably, described in lead blast hole section be circular configuration.Circular configuration lead blast hole, when explosive initiation, make pressure in Types of Medicine chamber larger, improve the penetration depth of this perforating bullet.
As preferably, described in lead blast hole section be kidney-shaped or string configuration.Meet the condition of penetration depth at perforating bullet under, kidney-shaped or string configuration lead blast hole, increase the contact area leading blast hole and detonating fuse, ensure that detonating fuse can ignite explosive, implements to bore a hole, prevents perforating bullet to lose efficacy, improve the quality of this perforating bullet.
As preferably, in the outside of leading blast hole, described shell case is provided with catching groove, and the both sides of described jump ring are equipped with the button tongue suitable with catching groove.The fit structure of this kind of jump ring and shell case has feature easy for installation.
As preferably, in the outside of leading blast hole, the top of described catching groove is provided with the inclined-plane suitable with jump ring.Inclined-plane, structure is simple, and by engine lathe cutting forming, processing cost is low, and inclined-plane makes jump ring can be more prone to buckle in catching groove, improves the installation effectiveness of jump ring.
As preferably, described in lead blast hole lower end be provided with the bell be connected with Types of Medicine chamber.Bell is generally concentric reducer structure, microcephaly with lead blast hole and be connected, major part is connected with Types of Medicine chamber, improves the attaching space of leading blast hole and Types of Medicine chamber, ensures that explosive can be ignited in the short period of time, instantaneous pressure is larger, and the penetration depth of this perforating bullet is darker, improves the quality of perforating bullet.
As preferably, the lower end of described shell case is provided with external screw thread or internal thread.External screw thread or internal thread, all can be used for shell case and the assembling playing rifle; Internal thread can also be used for the installation of cavity liner and shell case simultaneously; This structure has feature easy for installation, external screw thread or internal thread, and still by engine lathe machine-shaping, processing cost is low.
Apply a kind of preparation method of above-mentioned perforating bullet structure, it is characterized in that, described preparation method is: the first step, by shell case casting, forms Types of Medicine chamber, the bell be interconnected and lead blast hole in the inside of shell case, forms catching groove in the outside of shell case; Second step, by engine lathe, is formed on the top of catching groove and cuts inclined-plane; 3rd step, carries out fineness process to the upper surface of leading blast hole, and sticks melting paster; 4th step, is loaded Types of Medicine chamber, is sealed by cavity liner by explosive; 5th step, is pressed into the arc groove of jump ring by detonating fuse, and buckles in the catching groove of shell case by the button tongue of jump ring along inclined-plane, has just completed.In this preparation method, perforating bullet only just completes the further processing of component by an engine lathe, equipment cost and processing cost low, and burr is exposed to outside, and can not be trapped in slotted eye, the efficiency of making is also high.
Owing to taking above-mentioned technical scheme, a kind of perforating bullet provided by the invention and preparation method thereof has such beneficial effect: by the combined innovation of the structures such as shell case, explosive and detonating fuse and preparation method thereof, there is provided a kind of structure simple, cost of manufacture is low, installation effectiveness and penetration depth high, detonating fuse connects reliable, measured perforating bullet of matter and preparation method thereof.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of structural representation of the present invention;
Accompanying drawing 2 is that the A of accompanying drawing 1 of the present invention is to enlarged drawing;
Accompanying drawing 3 is a kind of structural representation of shell case of the present invention;
Accompanying drawing 4 is that the B of accompanying drawing 3 of the present invention is to enlarged drawing;
Accompanying drawing 5 is a kind of top view of accompanying drawing 3 of the present invention;
Accompanying drawing 6 is the another kind of top view of accompanying drawing 3 of the present invention.
In figure: 1-shell case, 1.1-Types of Medicine chamber, 1.2-leads blast hole, 1.3-catching groove, 1.4-inclined-plane, 1.5-bell, 1.6-external screw thread, 1.7-internal thread, 2-explosive, 3-detonating fuse, 4-cavity liner, 5-jump ring, 5.1-arc groove, 5.2-detains tongue, 6-melting paster.
Detailed description of the invention
Accompanying drawings, is described in further detail of the present invention.
Embodiment one: by reference to the accompanying drawings 1,3 and 5, a kind of perforating bullet, comprise shell case 1, explosive 2 and detonating fuse 3, shell case 1 is provided with the Types of Medicine chamber 1.1 for holding explosive 2, and the lower end in Types of Medicine chamber 1.1 is provided with the cavity liner 4 of thin wall construction, and the upper end in Types of Medicine chamber 1.1 is provided with leads blast hole 1.2, the section of leading blast hole 1.2 is circular configuration, the upper surface of leading blast hole 1.2 is plane structure, and detonating fuse 3 is with to lead blast hole 1.2 suitable, and detonating fuse 3 is connected by jump ring 5 with shell case 1.
Embodiment two: by reference to the accompanying drawings 1, 2, 3, 4, 6, a kind of perforating bullet, comprise shell case 1, explosive 2, detonating fuse 3 and jump ring 5, the Types of Medicine chamber 1.1 for holding explosive 2 is provided with in shell case 1, the upper end of shell case 1 is provided with catching groove 1.3, on catching groove 1.3, shell case 1 is provided with the inclined-plane 1.4 suitable with jump ring 5, the lower end of shell case 1 is provided with external screw thread 1.6 and internal thread 1.7, the lower end in Types of Medicine chamber 1.1 is provided with the cavity liner 4 of thin wall construction, cavity liner 4 is suitable with internal thread 1.7 screw thread, the upper end in Types of Medicine chamber 1.1 is provided with bell 1.5 and leads blast hole 1.2, the section of leading blast hole 1.2 is kidney-shaped structure, the upper surface of leading blast hole 1.2 is plane structure, upper surface is provided with the melting paster 6 with detonating fuse 3 close contact, the middle part of jump ring 5 is provided with the arc groove 5.1 suitable with detonating fuse 3, the both sides of jump ring 5 are equipped with the button tongue 5.2 suitable with catching groove 1.3, detonating fuse 3 is connected by jump ring 5 with shell case 1.
Embodiment three: by reference to the accompanying drawings 1,2,3,4, a preparation method for perforating bullet, preparation method is: the first step, by shell case 1 casting, form Types of Medicine chamber 1.1, the bell 1.5 be interconnected in the inside of shell case 1 and lead blast hole 1.2, forming catching groove 1.3 in the outside of shell case 1; Second step, by engine lathe, is formed on the top of catching groove 1.3 and cuts inclined-plane 1.4, cut form external screw thread 1.6 and internal thread 1.7 in the lower end of shell case 1; 3rd step, carries out fineness process to the upper surface of leading blast hole 1.2, and sticks melting paster 6; 4th step, loads Types of Medicine chamber 1.1 by explosive 2, by cavity liner 4 and internal thread 1.7 fitted seal; 5th step, is pressed into the arc groove 5.1 of jump ring 5 by detonating fuse 3, and is buckled in the catching groove 1.3 of shell case 1 along inclined-plane 1.4 by the button tongue 5.2 of jump ring 5, has just completed.
Above-described three specific embodiments, to invention has been detailed introduction.Apply specific embodiment herein to set forth principle of the present invention and embodiment, the explanation of embodiment just understands core concept of the present invention for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from core concept of the present invention; some modifications can also be carried out to the present invention; the such as thickness etc. of shell case, the concrete technical data of leading blast hole and bell, jump ring and cavity liner carries out some amendments or claim carries out some combinations, within the protection domain that should drop on the claims in the present invention.
Claims (10)
1. a perforating bullet, comprise shell case (1), explosive (2) and detonating fuse (3), it is characterized in that, described shell case (1) is provided with the Types of Medicine chamber (1.1) for holding explosive (2), the lower end of described Types of Medicine chamber (1.1) is provided with the cavity liner (4) of thin wall construction, the upper end in Types of Medicine chamber (1.1) is provided with leads blast hole (1.2), described upper surface of leading blast hole (1.2) is plane structure, described detonating fuse (3) is with to lead blast hole (1.2) suitable, and detonating fuse (3) is connected by jump ring (5) with shell case (1).
2. a kind of perforating bullet according to claim 1, is characterized in that, described in lead blast hole (1.2) upper surface be provided with melting paster (6), described detonating fuse (3) and melting paster (6) close contact.
3. a kind of perforating bullet according to claim 1, is characterized in that, the middle part of described jump ring (5) is provided with the arc groove (5.1) suitable with detonating fuse (3).
4. a kind of perforating bullet according to claim 1, is characterized in that, described in lead blast hole (1.2) section be circular configuration.
5. a kind of perforating bullet according to claim 1, is characterized in that, described in lead blast hole (1.2) section be kidney-shaped or string configuration.
6. a kind of perforating bullet according to claim 1, is characterized in that, is leading the outside of blast hole (1.2), and described shell case (1) is provided with catching groove (1.3), and the both sides of described jump ring (5) are equipped with the button tongue (5.2) suitable with catching groove (1.3).
7. a kind of perforating bullet according to claim 6, is characterized in that, is leading the outside of blast hole (1.2), and the top of described catching groove (1.3) is provided with the inclined-plane (1.4) suitable with jump ring (5).
8. a kind of perforating bullet according to claim 1, is characterized in that, described in lead blast hole (1.2) lower end be provided with the bell (1.5) be connected with Types of Medicine chamber (1.1).
9. a kind of perforating bullet according to claim 1, is characterized in that, the lower end of described shell case (1) is provided with external screw thread (1.6) or internal thread (1.7).
10. a kind of preparation method of perforating bullet structure according to claim 1, it is characterized in that, described preparation method is: the first step, by shell case (1) casting, form Types of Medicine chamber (1.1), the bell (1.5) be interconnected in the inside of shell case (1) and lead blast hole (1.2), forming catching groove (1.3) in the outside of shell case (1); Second step, by engine lathe, is formed on the top of catching groove (1.3) and cuts inclined-plane (1.4); 3rd step, carries out fineness process to the upper surface of leading blast hole (1.2), and sticks melting paster (6); 4th step, is loaded Types of Medicine chamber (1.1) by explosive (2), is sealed by cavity liner (4); 5th step, by the arc groove (5.1) of detonating fuse (3) press-in jump ring (5), and buckles into the button tongue (5.2) of jump ring (5) in the catching groove (1.3) of shell case (1) along inclined-plane (1.4), has just completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510166431.XA CN104895534A (en) | 2015-04-10 | 2015-04-10 | A perforating bullet and a method of manufacturing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510166431.XA CN104895534A (en) | 2015-04-10 | 2015-04-10 | A perforating bullet and a method of manufacturing the same |
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| Publication Number | Publication Date |
|---|---|
| CN104895534A true CN104895534A (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510166431.XA Pending CN104895534A (en) | 2015-04-10 | 2015-04-10 | A perforating bullet and a method of manufacturing the same |
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| CN (1) | CN104895534A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952643A (en) * | 2018-06-06 | 2018-12-07 | 宁波精达五金制造有限公司 | A kind of perforation shell case and its manufacturing method |
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| CN2457563Y (en) * | 2000-12-22 | 2001-10-31 | 西安石油勘探仪器总厂 | Mohaupt perforating bullet without gun body |
| CN101680733A (en) * | 2007-02-20 | 2010-03-24 | 秦内蒂克有限公司 | Improvements in and relating to oil well perforators |
| CN201531259U (en) * | 2009-11-24 | 2010-07-21 | 中国航天科技集团公司川南机械厂 | Perforating bullet of high perforation density deep penetration perforator for oil and gas well |
| US7897150B1 (en) * | 2007-04-09 | 2011-03-01 | The Ohio State University | Canine lymphoma cell line and uses thereof |
| CN102182432A (en) * | 2011-05-17 | 2011-09-14 | 大庆石油管理局 | Secondary explosion energy-releasing liner |
| CN202117644U (en) * | 2011-05-17 | 2012-01-18 | 大庆石油管理局 | Secondary explosion energy-release shaped charge liner |
| CN103590792A (en) * | 2013-11-28 | 2014-02-19 | 四川石油射孔器材有限责任公司 | Gun perforation bullet |
| CN204571951U (en) * | 2015-04-10 | 2015-08-19 | 宁波圣菲机械制造有限公司 | A kind of perforating bullet |
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2015
- 2015-04-10 CN CN201510166431.XA patent/CN104895534A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4817531A (en) * | 1987-10-05 | 1989-04-04 | Jet Research Center, Inc. | Capsule charge retaining device |
| CN2457563Y (en) * | 2000-12-22 | 2001-10-31 | 西安石油勘探仪器总厂 | Mohaupt perforating bullet without gun body |
| CN101680733A (en) * | 2007-02-20 | 2010-03-24 | 秦内蒂克有限公司 | Improvements in and relating to oil well perforators |
| US7897150B1 (en) * | 2007-04-09 | 2011-03-01 | The Ohio State University | Canine lymphoma cell line and uses thereof |
| CN201531259U (en) * | 2009-11-24 | 2010-07-21 | 中国航天科技集团公司川南机械厂 | Perforating bullet of high perforation density deep penetration perforator for oil and gas well |
| CN102182432A (en) * | 2011-05-17 | 2011-09-14 | 大庆石油管理局 | Secondary explosion energy-releasing liner |
| CN202117644U (en) * | 2011-05-17 | 2012-01-18 | 大庆石油管理局 | Secondary explosion energy-release shaped charge liner |
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| CN204571951U (en) * | 2015-04-10 | 2015-08-19 | 宁波圣菲机械制造有限公司 | A kind of perforating bullet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952643A (en) * | 2018-06-06 | 2018-12-07 | 宁波精达五金制造有限公司 | A kind of perforation shell case and its manufacturing method |
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Application publication date: 20150909 |