CN108952643B - Perforating bullet case and manufacturing method thereof - Google Patents
Perforating bullet case and manufacturing method thereof Download PDFInfo
- Publication number
- CN108952643B CN108952643B CN201810572080.6A CN201810572080A CN108952643B CN 108952643 B CN108952643 B CN 108952643B CN 201810572080 A CN201810572080 A CN 201810572080A CN 108952643 B CN108952643 B CN 108952643B
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- Prior art keywords
- column
- shell
- perforating
- manufacturing
- containing groove
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000012856 packing Methods 0.000 claims abstract description 25
- 239000002360 explosive Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000002844 melting Methods 0.000 claims abstract description 9
- 230000008018 melting Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000003754 machining Methods 0.000 claims abstract description 6
- 238000005242 forging Methods 0.000 claims abstract description 5
- 238000004080 punching Methods 0.000 claims abstract description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000009713 electroplating Methods 0.000 claims abstract description 4
- 239000011701 zinc Substances 0.000 claims abstract description 4
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 4
- 238000012545 processing Methods 0.000 claims abstract description 3
- 239000003814 drug Substances 0.000 claims description 10
- 238000005474 detonation Methods 0.000 claims description 5
- 239000000843 powder Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000012466 permeate Substances 0.000 abstract description 2
- 238000013016 damping Methods 0.000 abstract 1
- 238000004880 explosion Methods 0.000 description 14
- 239000003721 gunpowder Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 230000001939 inductive effect Effects 0.000 description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000003434 inspiratory effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B43/11—Perforators; Permeators
- E21B43/119—Details, e.g. for locating perforating place or direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Toys (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The invention discloses a perforating bullet shell and a manufacturing method thereof, belonging to the technical field of perforating bullets and solving the problem that in the process of oil exploitation, water vapor is easy to permeate into a explosive containing groove from a detonating hole, so that the explosive is affected by the tide, and the technical scheme is characterized in that the perforating bullet shell comprises a shell with the explosive containing groove, wherein the center of the shell is also provided with the detonating hole communicated with the explosive containing groove, the detonating hole is internally provided with a filling column for sealing the detonating hole, and the filling column is made of a material with the melting point of less than 800 ℃; a method of manufacturing a perforating charge case for use in manufacturing a perforating charge case according to any one of claims 1 to 6, S1 punching a packing string; s2, processing the shape of the shell by hot forging; s3, machining the inner and outer surfaces of the shell by a lathe; s4, electroplating a zinc layer on the surface of the shell; s5, the packing column is installed into the detonating hole through an assembling device, so that the sealing effect of the detonating hole can be improved, and the occurrence of powder damping failure is reduced.
Description
Technical Field
The invention belongs to the technical field of perforating bullets, and particularly relates to a perforating bullet shell and a manufacturing method thereof.
Background
The perforator is a combination of equipment (or a device) for perforating an oil-gas well and a matching part thereof, and is used for opening a casing and a cement sheath which seal an oil-gas layer under the well and penetrating into the oil-gas layer to establish a channel communicated between a shaft and the oil-gas layer; the perforator is provided with perforating bullets for perforating towards the well wall.
The existing perforating charge is mostly as shown in fig. 1, and comprises a shell with a charge containing groove and a detonation guiding hole which is arranged on the shell and communicated with the charge containing groove.
When the explosive perforating device is used, explosives are filled into the explosive containing grooves, and the explosive in the explosive containing grooves is ignited by the externally connected detonating cords through the detonating holes, so that perforating operation is realized.
However, in the process of oil exploitation, a certain amount of water quality is always kept in an oil-gas well due to the fact that the environment is relatively humid, and the water easily permeates into the explosive containing groove from the explosion-leading hole, so that the explosive is affected by the fact that the explosive gets damp, and the perforation effect is affected.
Disclosure of Invention
The first purpose of the invention is to provide a perforating bullet shell, which can improve the sealing effect of a detonating hole and reduce the occurrence of powder moisture failure.
The technical purpose of the invention is realized by the following technical scheme:
the perforating bullet shell comprises a shell body with a explosive containing groove, wherein an explosion-leading hole communicated with the explosive containing groove is further formed in the center of the shell body, a filling column for sealing the explosion-leading hole is arranged in the explosion-leading hole, and the filling column is made of a material with a melting point smaller than 800 ℃.
By adopting the technical scheme, the filling column seals the explosion hole, so that the amount of liquid permeating from the explosion hole can be reduced, the possibility of powder wetting and failure is reduced, meanwhile, the filling column is made of a material with the melting point of less than 800 ℃, and when perforation operation is needed, the external explosion wire can be rapidly melted after being ignited, so that the internal explosive is ignited, and the perforation operation is completed.
Preferably, one side of the filling column facing the powder containing groove is provided with a containing groove for filling powder.
By adopting the technical scheme, after the accommodating groove is formed in the filling column and gunpowder is filled in the accommodating groove, the detonating cord can ignite the gunpowder only by melting the bottom surface of the sealing groove, so that perforating operation is realized.
Preferably, the minimum thickness of the bottom surface of the accommodating groove is 0.1-0.8 mm.
Through adopting above-mentioned technical scheme, when the tank bottom surface thickness of containing groove is less than 0.1mm, the tank bottom surface of containing groove breaks easily, and when the tank bottom surface thickness of containing groove was greater than 0.8mm, the detonating cord can't melt the tank bottom surface of containing groove fast, influences the perforation effect, consequently sets up to 0.1-0.8mm through the minimum thickness with the tank bottom surface of containing groove, thereby can make things convenient for the detonating cord to ignite gunpowder and realize the perforation operation under the circumstances of guaranteeing certain structural strength.
Preferably, the side of the filling column away from the medicine containing groove is provided with an inwards concave ignition groove.
Through adopting above-mentioned technical scheme, through being provided with the groove of igniting, the groove of igniting can increase the contact area with the packed column when detonating cord melts the packed column to the melting of packed column is quickened.
Preferably, the shell is provided with an inwards concave guide groove at the periphery of an opening of the explosion hole, which is far away from the medicine containing groove.
Through adopting above-mentioned technical scheme, through set up the guiding groove on the casing, the guiding groove can be near further increase the contact area with the packed column when detonating cord melts the packed column to the melting speed of packed column is further accelerated.
Preferably, the periphery of one end face of the packed column far away from the medicine containing groove is transited by an arc,
through adopting above-mentioned technical scheme, through the design of packing column week side circular arc transition, can conveniently get into in the explosion-initiating hole with the packing column installation.
The second purpose of the invention is to provide a method for manufacturing a perforating bullet shell, wherein the detonating hole in the perforating bullet manufactured by the method has better sealing performance, and the water vapor permeating from the detonating hole is reduced, so that the occurrence of the explosive moisture failure is reduced.
The technical purpose of the invention is realized by the following technical scheme:
a method for manufacturing a perforating bullet shell comprises the following steps:
s1, punching to prepare a filling column;
s2, processing the shape of the shell by hot forging;
s3, machining the inner and outer surfaces of the shell by a lathe;
s4, electroplating a zinc layer on the surface of the shell;
and S5, installing the packing column into the explosion hole through an assembling device.
Through adopting above-mentioned technical scheme to hot forging carries out rough machining earlier, and the rethread lathe carries out the finish machining, can guarantee the precision after the casing is accomplished, and the packing post installation after the punching press finishes can seal the explosion-inducing hole after getting into the explosion-inducing hole to reduce the possibility that gunpowder went damp failure, simultaneously when needs perforation operation, can melt the packing post rapidly after the detonating cord ignites, thereby ignite inside explosive and accomplish the perforation operation.
Preferably, the assembling device in S5 includes a body, a mounting plate, and a telescopic column disposed above the mounting plate, wherein the mounting plate is provided with a positioning seat for positioning the perforating charge, and the telescopic column is inserted into the charge containing groove of the packing column, and then drives the packing column to be installed into the perforating charge.
Through adopting above-mentioned technical scheme, the perforating bullet shell of producing is fixed a position through the positioning seat earlier, connects the packing column cup joint in the flexible post outside afterwards, and flexible post descends to drive the packing column installation afterwards and gets into in the explosion-guide hole to accomplish the production of perforating bullet.
Preferably, the telescopic column is provided with an air suction channel.
Through adopting above-mentioned technical scheme, through seting up the passageway of breathing in on flexible post, when the column packing cup joints in flexible post outside, thereby the passageway of breathing in inhales and adsorbs the column packing, avoids the column packing to drop under the action of gravity.
In conclusion, the invention has the following beneficial effects:
the explosion hole is sealed through the filling column, the liquid amount permeating from the explosion hole can be reduced, the possibility of gunpowder moisture failure is reduced, meanwhile, the filling column is made of a material with the melting point of less than 800 ℃, and when perforation operation is needed, the filling column can be rapidly melted after an external explosion wire is ignited, so that internal explosive is ignited, and the perforation operation is completed.
Drawings
FIG. 1 is a cross-sectional view of a perforating charge case;
FIG. 2 is a schematic illustration of a perforating charge case when the charge case is not assembled with a packing string;
FIG. 3 is an enlarged view taken at A in FIG. 1;
FIG. 4 is a schematic view of the mounting apparatus;
FIG. 5 is a schematic view of the assembled device in use;
FIG. 6 is a cross-sectional view of a packing column sleeved on a telescopic column.
In the figure, 1, a housing; 11. a medicine containing groove; 12. a blast hole is led; 13. a guide groove; 2. filling a column; 21. a containing groove; 22. an ignition slot; 3. an assembly device; 31. a body; 32. mounting a plate; 33. a telescopic column; 331. an air suction passage; 34. positioning seats; 341. and (6) positioning a groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example one
Referring to fig. 1 and 2, a perforating bullet case includes a case 1 having a charge-containing slot 11, the case 1 is provided with an explosion hole 12 penetrating through the case 1 at a central position of a slot bottom surface of the charge-containing slot 11, and a filling column 2 for sealing the explosion hole 12 is inserted in the explosion hole 12, wherein the filling column 2 is made of a material having a melting point of less than 800 degrees celsius, and is preferably made of an aluminum material in the present embodiment.
Referring to fig. 1 and 3, a containing groove 21 for filling powder is formed in one side of the filling column 2 facing the medicine containing groove 11, the periphery of one side of the filling column 2 far away from the medicine containing groove 11 is transited through an arc, and an ignition groove 22 which is concave inwards and has an arc structure is arranged at the center of the side, wherein the minimum thickness from the bottom surface of the containing groove 21 to the bottom surface of the ignition groove 22 is 0.1-0.8 mm.
The shell 1 is also provided with an inward-concave guide groove 13 at the periphery of the opening of the explosion-leading hole 12 far away from the medicine containing groove 11.
The using method comprises the following steps:
when perforating operation is required, the externally connected detonating cord is ignited, the temperature of the ignited detonating cord is thousands of degrees centigrade, and the generated high temperature can rapidly melt and burn aluminum from the bottom surface of the ignition groove 22 to the bottom surface of the accommodating groove 21, so that gunpowder in the accommodating groove 21 and the explosive accommodating groove 11 inside is ignited, and perforating operation is performed.
Example two
A method for manufacturing a perforating charge case, which is used for manufacturing the perforating charge case in the first embodiment, and comprises the following steps:
s1, punching to obtain a packed column 2;
s2, hot forging the outer shape of the housing 1;
s3, machining the inner and outer surfaces of the shell 1 by a lathe to form a medicine containing groove 11 and a guide groove 13, and drilling the inner part of the shell 1 to form a detonating hole 12;
s4, electroplating a zinc layer on the surface of the shell 1;
s5, installing the packing column 2 into the explosion-inducing hole 12 by an assembling device 3.
Referring to fig. 4 and 5, the assembling device 3 in S5 includes a body 31, a mounting plate 32, and a telescopic column 33 disposed on the body 31 and located above the mounting plate 32, wherein the mounting plate 32 is provided with a positioning seat 34, the positioning seat 34 is provided with a positioning groove 341 for positioning a side surface of the perforating bullet case away from the medicine containing groove 11, a center of the telescopic column 33 is aligned with a center of the positioning seat 34, the telescopic column 33 is provided with a suction channel 331 (as shown in fig. 6) along an axial direction thereof, lifting of the telescopic column 33 and suction of the suction channel 331 are respectively controlled by two control cylinders (not shown), the two control cylinders are disposed inside the body 31, and are not described herein for brevity.
The assembling method comprises the following steps:
earlier fix a position the perforating bullet shell through positioning seat 34, pack 2 suit on flexible post 33 afterwards, thereby the inspiratory channel 331 of flexible post 33 breathes in and adsorbs packing 2, flexible post 33 drives packing 2 downstream afterwards, drive packing 2 installation and get into in the explosion-initiating hole 12 of casing 1, when flexible post 33 drives packing 2 and the tank bottom face of constant head tank 341 on positioning seat 34 offsets, accomplish packing 2 in the installation of casing 1 promptly, inspiratory channel 331 stops breathing in afterwards, flexible post 33 rises to reply.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (5)
1. The manufacturing method of the perforating bullet shell is used for manufacturing the perforating bullet shell and is characterized in that the perforating bullet shell comprises a shell body (1) with a explosive containing groove (11), a detonation guiding hole (12) communicated with the explosive containing groove (11) is further formed in the center of the shell body (1), a filling column (2) for sealing the detonation guiding hole (12) is arranged in the detonation guiding hole (12), the filling column (2) is made of a material with a melting point smaller than 800 ℃, and one side, facing the explosive containing groove (11), of the filling column (2) is provided with an accommodating groove (21) for explosive to be filled in;
the manufacturing method comprises the following steps:
s1, punching to prepare a packed column (2);
s2, processing the shape of the shell (1) by hot forging;
s3, machining the inner and outer surfaces of the shell (1) by a lathe;
s4, electroplating a zinc layer on the surface of the shell (1);
s5, installing the packing column (2) into the explosion-conducting hole (12) through an assembling device (3);
the assembling device (3) in the S5 comprises a mounting plate (32) and a telescopic column (33) arranged above the mounting plate (32), wherein a positioning seat (34) for positioning the perforating charge is arranged on the mounting plate (32), the telescopic column (33) penetrates into a medicine containing groove (11) of the filling column (2), then the filling column (2) is driven to be installed into the perforating charge, and a suction channel (331) is formed in the telescopic column (33).
2. The method of claim 1, wherein the minimum thickness of the bottom surface of the container (21) is 0.1-0.8 mm.
3. A method of making a perforating charge case as claimed in claim 1, characterized in that the side of the packing column (2) remote from the charge well (11) has an inwardly recessed pilot well (22).
4. The method for manufacturing a perforating charge case as recited in claim 1, characterized in that the circumferential side of one end face of the packing column (2) far from the charge container (11) is transited by an arc.
5. The method for manufacturing a perforating charge case as recited in claim 1, characterized in that the circumference of the case (1) at the opening of the detonation hole (12) on the side away from the charge-containing slot (11) is provided with a concave guiding slot (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810572080.6A CN108952643B (en) | 2018-06-06 | 2018-06-06 | Perforating bullet case and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810572080.6A CN108952643B (en) | 2018-06-06 | 2018-06-06 | Perforating bullet case and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108952643A CN108952643A (en) | 2018-12-07 |
| CN108952643B true CN108952643B (en) | 2021-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810572080.6A Active CN108952643B (en) | 2018-06-06 | 2018-06-06 | Perforating bullet case and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108952643B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201424936Y (en) * | 2009-06-13 | 2010-03-17 | 辽宁华兴机电有限公司 | Perforating bullet with independent detonation transmission part |
| CN104772627A (en) * | 2015-02-11 | 2015-07-15 | 宁波圣菲机械制造有限公司 | Perforating bullet shell production line |
| 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 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2358224Y (en) * | 1998-07-09 | 2000-01-12 | 南京理工大学 | Offset pestle type perforating bullet |
| CN2823548Y (en) * | 2005-09-09 | 2006-10-04 | 中国航天科技集团公司川南机械厂 | Non-gun body pressure-resistance perforating bullet |
| CN201025012Y (en) * | 2007-05-30 | 2008-02-20 | 大庆油田有限责任公司 | Separated non contact explosion device transfer device |
| CN201358768Y (en) * | 2009-03-04 | 2009-12-09 | 西安瑞通能源科技有限公司 | Retrievable coaxial simultaneous entry type enhanced perforator |
| 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 |
| CN103291261B (en) * | 2012-07-23 | 2016-04-06 | 宁波圣菲机械制造有限公司 | A kind of perforation through tubing bullet shell case and perforating bullet thereof |
| CN103286534B (en) * | 2012-07-31 | 2016-06-15 | 宁波圣菲机械制造有限公司 | A kind of perforation shell case manufacturing process |
| CN202970657U (en) * | 2012-12-05 | 2013-06-05 | 西安物华巨能爆破器材有限责任公司 | Split type opening bullet |
| US9650857B2 (en) * | 2014-03-10 | 2017-05-16 | Baker Hughes Incorporated | Method of selective release of an object to a seat on a frack plug from immediately adjacent the frack plug |
| CN104895534A (en) * | 2015-04-10 | 2015-09-09 | 宁波圣菲机械制造有限公司 | A perforating bullet and a method of manufacturing the same |
-
2018
- 2018-06-06 CN CN201810572080.6A patent/CN108952643B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201424936Y (en) * | 2009-06-13 | 2010-03-17 | 辽宁华兴机电有限公司 | Perforating bullet with independent detonation transmission part |
| CN104772627A (en) * | 2015-02-11 | 2015-07-15 | 宁波圣菲机械制造有限公司 | Perforating bullet shell production line |
| 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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| Publication number | Publication date |
|---|---|
| CN108952643A (en) | 2018-12-07 |
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