CN103291261A - Through tubing perforating bullet case and through tubing perforating bullet - Google Patents
Through tubing perforating bullet case and through tubing perforating bullet Download PDFInfo
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- CN103291261A CN103291261A CN2012102553363A CN201210255336A CN103291261A CN 103291261 A CN103291261 A CN 103291261A CN 2012102553363 A CN2012102553363 A CN 2012102553363A CN 201210255336 A CN201210255336 A CN 201210255336A CN 103291261 A CN103291261 A CN 103291261A
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- shell case
- perforation
- perforating bullet
- bullet
- tubing
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Abstract
The invention discloses a through tubing perforating bullet case and a through tubing perforating bullet. The through tubing perforating bullet case comprises a perforating bullet case part and a perforating bullet cap which are connected in a buckling manner, wherein the perforating bullet case part comprises a perforating bullet case body with an inner cavity; a raised detonating cord mounting part is arranged on the end face of one end of the perforating bullet case body; a detonating cord hole used for mounting a detonating cord is formed in the side surface of the detonating cord mounting part; a detonating explosive hole is formed in a wall, positioned under the detonating cord hole, of the inner cavity of the perforating bullet case body; the perforating bullet cap comprises a perforating bullet cap body with an inner cavity; a raised external thread part is arranged at one end of the perforating bullet cap body; a jet channel is arranged in the external thread part; one end of the jet channel is closed; and the other end of the jet channel is communicated with the inner cavity of the perforating bullet cap body. The through tubing perforating bullet case and the through tubing perforating bullet are not required to be matched with a perforating gun, and are convenient to process, quick to mount, and higher in assembling precision.
Description
Technical field
The present invention relates to a kind of perforating bullet field, relate in particular to a kind of perforation through tubing bullet shell case and perforating bullet thereof.
Background technology
Application number is that 200920243436.8 Chinese patent discloses a kind of oil gas well with the perforating bullet of the close deep penetration perforator in high hole, comprise shell case and cavity liner, the perforation end of described shell case is formed by cylindrical section, conicle section and big conical section, the diameter of cylindrical section is 9mm-12mm, the tapering of conicle section is 125 °-140 °, and the tapering of big conical section is 45 °-55 °; The shell case inner chamber is formed by propagation of explosion hole, conelet body cavity, big cone cavity and cylindrical cavity, and the tapering of conelet body cavity is 90 °-110 °, and the tapering of big cone cavity is 42 °-50 °, and the cylindrical cavity diameter is 46mm-50mm.But the perforating bullet that this perforating bullet shell case is assembled into needs perforating gun supporting, and microcephaly's groove requirement on machining accuracy of this perforating bullet shell case head is very high, and because the reasons in structure of head, very easily is out of shape man-hour adding.
Summary of the invention
The present invention mainly provides a kind of perforation through tubing bullet shell case and perforating bullet thereof, and it is supporting to need not perforating gun, easy to process, quick for installation, and assembly precision is higher.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: it comprises perforation shell case and perforating bullet cap, described perforation shell case and described perforating bullet cap are interlockingly connected, the perforation shell case comprises the perforation shell case body with inner chamber, described perforation shell case body one end end face is provided with the detonating fuse installation portion of projection, described detonating fuse installation portion side is shaped on for the detonating fuse hole that detonating fuse is installed, be positioned on the perforation shell case chamber body wall under the detonating fuse hole and be shaped on the detonating charge hole, the perforating bullet cap comprises the perforating bullet cap body with inner chamber, described perforating bullet cap body one end is shaped on the external thread part of protrusion, is shaped on an end sealing in the external thread part, the fluidic channel that the other end communicates with the inner chamber of described perforating bullet cap body.The present invention is need not perforating gun supporting, adopt the external thread part screw thread to install, more convenient and quicker, detonating fuse of the present invention hole adopts boring to form, compare existing open flume type detonating fuse hole, the present invention need not to process microcephaly's groove and spring hole clipping simultaneously, more need not to install additional Spring Card, makes of the present invention easy to assembly and safety is higher.
As preferably, the axial line in the axial line of described fluidic channel and detonating charge hole overlaps.
As preferably, the axial line in described detonating fuse hole and the axial line square crossing in detonating charge hole.
As preferably, the openend of described perforating bullet cap is provided with the shell case snapping portion of reducing shape, is suppressed with the elasticity inner fovea part of annular in the shell case snapping portion.Inner fovea part is set, makes that the elasticity of shell case snapping portion is stronger, toughness is higher, and fastening power improves greatly.
For better sealing, as preferably, be shaped on the bullet cap snapping portion of trapezoidal ring-type on the outer wall of the openend of described perforation shell case, the bullet cap snapping portion of perforation shell case snaps onto in the perforation shell case, the outer wall of the inwall of shell case snapping portion and bullet cap snapping portion contacts, and wherein the inwall of inner fovea part contacts with the upper trapezoid inclined-plane that plays cap snapping portion.Cooperate with the pressing of upper trapezoid inclined-plane that plays cap snapping portion by inner fovea part, make that sealing performance of the present invention is better, after the perforating bullet powder charge, need not vacuum packaging can store.
For better sealing, as preferably, be provided with sealing ring between described perforation shell case and the perforating bullet cap.
As preferably, described perforation shell case is made for the 40CR material, and the chamber wall of perforation shell case inner chamber is provided with inner cover, and described inner cover is made for the ZN prepared material.The present invention adopts the bimetal structure of low quenching degree quenching and tempering steel and zinc, make penetration depth be greatly enhanced, and the mobile performance in duct is relevant with penetration depth, and the present invention can prevent effectively that chip from staying in the duct of perforating bullet.
As preferably, described inner cover fits tightly on the chamber wall of perforation shell case inner chamber, the joint place surface roughness Ra 6.3-12.5 of the chamber wall of described perforation shell case inner chamber and interior cover outer surface.Can satisfy bimetallic like this in conjunction with fastness, satisfy shell case yield strength demand and prevent that effectively chip from staying in the duct.
As preferably, described detonating charge hole and described detonating fuse hole are separated by, and perforation shell case shell wall forms the interlayer of separating described detonating charge hole and described detonating fuse hole.
A kind of perforation through tubing bullet includes perforation through tubing shell case as claimed in claim 1, and described perforation shell case inner chamber is provided with cavity liner, is provided with explosive between the internal chamber wall of described perforation shell case and the described cavity liner.
The beneficial effect that the present invention brings is that it is supporting that the present invention need not perforating gun, need not to process microcephaly's groove and spring hole clipping, more need not to install additional Spring Card, easy to process, quick for installation, and assembly precision is higher.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of perforating bullet shell case of the present invention;
Accompanying drawing 2 is a kind of structural representations of perforation shell case of the present invention;
Accompanying drawing 3 is a kind of perspective view of perforation shell case of the present invention;
Accompanying drawing 4 is a kind of structural representations of perforating bullet cap of the present invention;
Accompanying drawing 5 is a kind of structural representations of perforating bullet of the present invention;
Accompanying drawing 6 is a kind of structural representations of the perforation shell case of embodiments of the invention 2.
Label declaration: 1, perforation shell case; 1-1, detonating fuse installation portion; 1-2, detonating fuse hole; 1-3, detonating charge hole; 1-4, interlayer; 1-5, bullet cap snapping portion; 1-6, O RunddichtringO; 2, perforating bullet cap; 2-1, external thread part; 2-2, fluidic channel; 2-3, shell case snapping portion; 2-3-1, inner fovea part; 3, inner cover; 4, explosive; 5, cavity liner.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1: the perforation through tubing bullet shell case of present embodiment comprises perforation shell case 1 and perforating bullet cap 2 shown in Fig. 1,2,3,4,5, perforation shell case 1 and perforating bullet cap 2 are interlockingly connected, and O RunddichtringO 1-6 is installed between perforation shell case 1 and the perforating bullet cap 2.
The openend of perforating bullet cap 2 is provided with the shell case snapping 2-3 of portion of reducing shape, be suppressed with the flexible inner fovea part 2-3-1 of annular on the shell case snapping 2-3 of portion, the outer wall of the inner fovea part 2-3-1 formation groove that concaves, the inwall of inner fovea part 2-3-1 convexes into convex hoop shape inwards, be shaped on the bullet cap snapping 1-5 of portion of trapezoidal ring-type on the outer wall of the openend of perforation shell case 1, play on the cap snapping 1-5 of portion and be shaped on the slotted eye that sealing ring is installed, O RunddichtringO 1-6 is installed in the hole, the bullet cap snapping 1-5 of portion of perforation shell case 1 snaps onto in the perforation shell case 1, the outer wall of the inwall of the shell case snapping 2-3 of portion and the bullet cap snapping 1-5 of portion contacts, wherein the inwall of inner fovea part 2-3-1 contacts with the upper trapezoid inclined-plane that plays the cap snapping 1-5 of portion, the inwall that is inner fovea part 2-3-1 tightly is pressed against on this upper trapezoid inclined-plane, perforation shell case 1 and perforating bullet cap 2 pass through inner fovea part 2-3-1 and play cooperating of cap snapping like this, improved the fastening dynamics, increased contact area, inner fovea part 2-3-1 can tightly be pressed against perforation shell case 1 in the perforating bullet cap 2, makes that the sealing of perforation shell case 1 and perforating bullet cap 2 is tightr.
The perforation through tubing bullet of present embodiment shown in Fig. 1,2,3,4,5,6,7,8, includes perforation through tubing bullet shell case, and perforation shell case 1 inner chamber is equipped with cavity liner 5, is pressed with explosive 4 between the internal chamber wall of perforation shell case 1 and the cavity liner 5.
Embodiment 2: the perforation through tubing bullet shell case of present embodiment as shown in Figure 6, perforation shell case 1 is made for the 40CR material, the chamber wall of perforation shell case 1 inner chamber is provided with inner cover 3, inner cover 3 is made for the ZN prepared material, inner cover 3 fits tightly on the chamber wall of perforation shell case 1 inner chamber, the joint place surface roughness Ra 6.3-12.5 of the chamber wall of perforation shell case 1 inner chamber and inner cover 3 external surfaces.The other technologies feature is identical with the perforation through tubing shell case 1 of implementing 1.
The perforation through tubing bullet of present embodiment includes perforation through tubing bullet shell case, and perforation shell case 1 inner chamber is equipped with cavity liner 5, is pressed with explosive 4 between the internal chamber wall of perforation shell case 1 and the cavity liner 5.
Below only be described with regard to preferred embodiment of the present invention, but can not be interpreted as it is limiting the scope of the invention.The present invention not only is confined to above embodiment, and its concrete structure or shape allow to change.In a word, protection scope of the present invention should comprise the apparent conversion of those corresponding those of ordinary skills or substitute and remodeling.
Claims (10)
1. perforation through tubing bullet shell case, it is characterized in that, comprise perforation shell case and perforating bullet cap, described perforation shell case and described perforating bullet cap are interlockingly connected, the perforation shell case comprises the perforation shell case body with inner chamber, described perforation shell case body one end end face is provided with the detonating fuse installation portion of projection, described detonating fuse installation portion side is shaped on for the detonating fuse hole that detonating fuse is installed, be positioned on the perforation shell case chamber body wall under the detonating fuse hole and be shaped on the detonating charge hole, the perforating bullet cap comprises the perforating bullet cap body with inner chamber, described perforating bullet cap body one end is shaped on the external thread part of protrusion, is shaped on an end sealing in the external thread part, the fluidic channel that the other end communicates with the inner chamber of described perforating bullet cap body.
2. perforation through tubing bullet shell case according to claim 1 is characterized in that, the axial line in the axial line of described fluidic channel and detonating charge hole overlaps.
3. perforation through tubing bullet shell case according to claim 2 is characterized in that, the axial line in described detonating fuse hole and the axial line square crossing in detonating charge hole.
4. perforation through tubing bullet shell case according to claim 1 is characterized in that, the openend of described perforating bullet cap is provided with the shell case snapping portion of reducing shape, is suppressed with the elasticity inner fovea part of annular in the shell case snapping portion.
5. perforation through tubing bullet shell case according to claim 4, it is characterized in that, be shaped on the bullet cap snapping portion of trapezoidal ring-type on the outer wall of the openend of described perforation shell case, the bullet cap snapping portion of perforation shell case snaps onto in the perforation shell case, the outer wall of the inwall of shell case snapping portion and bullet cap snapping portion contacts, and wherein the inwall of inner fovea part contacts with the upper trapezoid inclined-plane that plays cap snapping portion.
6. perforation through tubing bullet shell case according to claim 4 is characterized in that, is provided with sealing ring between described perforation shell case and the perforating bullet cap.
7. perforation through tubing bullet shell case according to claim 1 is characterized in that, described perforation shell case is made for the 40CR material, and the chamber wall of perforation shell case inner chamber is provided with inner cover, and described inner cover is made for the ZN prepared material.
8. perforation through tubing bullet shell case according to claim 7 is characterized in that, described inner cover fits tightly on the chamber wall of perforation shell case inner chamber, the joint place surface roughness Ra 6.3-12.5 of the chamber wall of described perforation shell case inner chamber and interior cover outer surface.
9. perforation through tubing bullet shell case according to claim 1 is characterized in that, described detonating charge hole and described detonating fuse hole are separated by, and perforation shell case shell wall forms the interlayer of separating described detonating charge hole and described detonating fuse hole.
10. a perforation through tubing bullet includes perforation through tubing shell case as claimed in claim 1, it is characterized in that, described perforation shell case inner chamber is provided with cavity liner, is provided with explosive between the internal chamber wall of described perforation shell case and the described cavity liner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210255336.3A CN103291261B (en) | 2012-07-23 | 2012-07-23 | A kind of perforation through tubing bullet shell case and perforating bullet thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210255336.3A CN103291261B (en) | 2012-07-23 | 2012-07-23 | A kind of perforation through tubing bullet shell case and perforating bullet thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103291261A true CN103291261A (en) | 2013-09-11 |
| CN103291261B CN103291261B (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210255336.3A Active CN103291261B (en) | 2012-07-23 | 2012-07-23 | A kind of perforation through tubing bullet shell case and perforating bullet thereof |
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| CN (1) | CN103291261B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952644A (en) * | 2018-06-06 | 2018-12-07 | 宁波精达五金制造有限公司 | Perforation shell case and its processing method |
| 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 |
| CN109707351A (en) * | 2018-11-12 | 2019-05-03 | 西安物华巨能爆破器材有限责任公司 | A kind of Novel pressure-resistant perforation through tubing bullet |
| CN115370332A (en) * | 2022-10-26 | 2022-11-22 | 吉林市双林射孔器材有限责任公司 | High-effect pressurizing perforating bullet |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4817531A (en) * | 1987-10-05 | 1989-04-04 | Jet Research Center, Inc. | Capsule charge retaining device |
| US5251561A (en) * | 1992-06-11 | 1993-10-12 | The United States Of America As Represented By The United States Department Of Energy | Open apex shaped charge-type explosive device having special disc means with slide surface thereon to influence movement of open apex shaped charge liner during collapse of same during detonation |
| CN201386549Y (en) * | 2009-04-10 | 2010-01-20 | 中国石油集团川庆钻探工程有限公司 | Clamp spring type high pressure resistant perforating bullet without gun body |
| CN203008876U (en) * | 2012-07-23 | 2013-06-19 | 宁波圣菲机械制造有限公司 | Trough-tubing perforating charge cartridge and perforating charge thereof |
-
2012
- 2012-07-23 CN CN201210255336.3A patent/CN103291261B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4817531A (en) * | 1987-10-05 | 1989-04-04 | Jet Research Center, Inc. | Capsule charge retaining device |
| US5251561A (en) * | 1992-06-11 | 1993-10-12 | The United States Of America As Represented By The United States Department Of Energy | Open apex shaped charge-type explosive device having special disc means with slide surface thereon to influence movement of open apex shaped charge liner during collapse of same during detonation |
| CN201386549Y (en) * | 2009-04-10 | 2010-01-20 | 中国石油集团川庆钻探工程有限公司 | Clamp spring type high pressure resistant perforating bullet without gun body |
| CN203008876U (en) * | 2012-07-23 | 2013-06-19 | 宁波圣菲机械制造有限公司 | Trough-tubing perforating charge cartridge and perforating charge thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952644A (en) * | 2018-06-06 | 2018-12-07 | 宁波精达五金制造有限公司 | Perforation shell case and its processing method |
| 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 |
| CN108952644B (en) * | 2018-06-06 | 2021-02-09 | 宁波精达五金制造有限公司 | Perforating bullet shell and processing method thereof |
| CN109707351A (en) * | 2018-11-12 | 2019-05-03 | 西安物华巨能爆破器材有限责任公司 | A kind of Novel pressure-resistant perforation through tubing bullet |
| CN115370332A (en) * | 2022-10-26 | 2022-11-22 | 吉林市双林射孔器材有限责任公司 | High-effect pressurizing perforating bullet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103291261B (en) | 2016-04-06 |
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Effective date of registration: 20180731 Address after: 315500 No. 1, Xiwang South Road, Xikou Town, Fenghua District, Ningbo, Zhejiang Patentee after: Ningbo Yu Heng Energy Technology Co., Ltd. Address before: 315502 Zhongxing West Road, Xikou Town, Fenghua City, Ningbo, Zhejiang, 98 Patentee before: Ningbo Precise Machinery Co., Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A kind of casing for tubing perforating charge and its perforating charge Effective date of registration: 20220614 Granted publication date: 20160406 Pledgee: Bank of Ningbo Co.,Ltd. Fenghua sub branch Pledgor: NINGBO YUHENG ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2022330000940 |
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