CN2282064Y - Petroleum composite perforating shell - Google Patents
Petroleum composite perforating shell Download PDFInfo
- Publication number
- CN2282064Y CN2282064Y CN 97202592 CN97202592U CN2282064Y CN 2282064 Y CN2282064 Y CN 2282064Y CN 97202592 CN97202592 CN 97202592 CN 97202592 U CN97202592 U CN 97202592U CN 2282064 Y CN2282064 Y CN 2282064Y
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- Prior art keywords
- petroleum
- utility
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Abstract
The utility model relates to a petroleum composite perforating shell used for the development engineering of petroleum and natural gas. The existing petroleum perforating shells are all exploded in single-stage. This petroleum composite perforating shells of the utility model are all exploded in single-stage. The petroleum composite perforating shell of the utility model is added with a time-delay flameproof component formed by pressing a flameproof component (17) and a time-delay priming (16), and a back stage formed by pressing a shell (18), a hollow charge (19) and a truncated-cone-shaped chemicals cover (20). The utility model can implement two-stage initiation of explosion and has a relatively deeper gun perforation, which is favorable for the high and stable yield of petroleum and natural gas wells.
Description
The utility model is a kind of oil composite gun perforation bullet that is used for oil, natural gas Development Engineering
Retrieved the petroleum perforation charge that U.S. Irving company, Gao Yi Ces Co.,Ltd, Schlumberger company and domestic grand celebration perforating bullet factory etc. produce, existing petroleum perforation charge all is that single-stage is detonated, and utilizes the jet-drilling that produces.
Fig. 1, petroleum perforation charge operation view;
The A-A of Fig. 2, Fig. 1 cuts open the work view.
Fig. 1 has provided the operation view of petroleum perforation charge.Petroleum perforation charge 2 is contained on the firing mount 3, firing mount 3 is packed in the body of a gun 5, with detonating fuse 4 petroleum perforation charge 2 is contacted mutually successively, the upper end sending and receiving lighter structure of detonating fuse 4, pass through cable, power supply with ground installation 9 provides energy to realize igniting, with probe 8 location, the body of a gun 5 is put into the appropriate depth of oil well casing.The A-A that Fig. 2 has provided Fig. 1 cuts open the work view when petroleum perforation charge 2 detonates, and the jet of its generation will penetrate gun barrel wall 5 earlier, penetrate tube wall 6 again by mud layer 7, after cement sheath 11 and contaminated zone 10, just can act on oil gas rock stratum 1, realizes perforation.Because the bore of sleeve pipe 6 is limited, the explosive payload of petroleum perforation charge and the favourable height of burst all will be restricted, so when acting on oil gas rock stratum 1 after the jet of its generation penetrates above-mentioned composite bed, energy has received loss greatly, has influenced the aperture and the degree of depth of boring a hole.Obtain best perforation, make the stable high yield of oil gas well just relatively more difficult.
The purpose of this utility model is, designs a kind of oil composite gun perforation bullet, and it can carry out two-stage and detonate.When the first order is detonated, the penetrable gun barrel wall of its jet, mud layer, casing wall, cement sheath, pollution layer, and detonate for the second level the favourable height of burst is provided; When detonate in the second level, can directly act on the oil gas rock stratum, its jet can pass big darker perforation, to realize the stable high yield of oil gas well.
The design scheme of the utility model oil composite gun perforation bullet is that priming is located at the stomidium place of prime housing, is provided with small-bore hollow charge and conical liner in the housing; It is characterized in that in the level housing of back, being provided with hollow charge and truncated cone shape cavity liner; Between prime and back level, be provided with explosion-proof part and time-delay priming and be pressed into time-delay flame proof parts, prime, time-delay flame proof parts, back level press-fit and are integral.
The utility model advantage compared with prior art is: use oil composite gun perforation bullet, can get big darker perforation, help realizing the stable high yield of oil gas well.
The utility model has 1 width of cloth accompanying drawing (Fig. 3), is most preferred embodiment of the present utility model, also can make the accompanying drawing of specification digest
Fig. 3, oil composite gun perforation bullet view.Below in conjunction with accompanying drawing most preferred embodiment of the present utility model is described further:
Fig. 3 has provided oil composite gun perforation bullet view, the stomidium place of steel shell 13 is provided with priming 12, be provided with small-bore hollow charge 14 and copper conical liner 15 in it, press-fit and form prime, in steel housing 18, be provided with hollow charge 19 and copper truncated cone shape cavity liner 20, press-fit and form back level, steel explosion-proof part 17 is pressed into time-delay flame proof parts with time-delay powder charge 16.Adopt the hard press-loading process that cooperates to be assembled into one prime, time-delay flame proof parts and back level, i.e. general assembly becomes oil composite gun perforation bullet of the present utility model.
When staff's opening power, promptly start firing device, light detonating fuse, detonating fuse causes priming 12, preceding level work produces jet 22, penetrates composite bed, prime is lighted time-delay priming 16 again simultaneously, the time-delay priming causes the back level work again behind suitable time-delay, produce jet 22, and jet 22 has penetrated on the basis of composite bed at prime jet 21, directly act on the oil gas rock stratum, get big darker perforation.
Claims (1)
1, a kind of oil composite gun perforation bullet, priming (12) is located at the stomidium place of prime housing (13), in the housing (13), be provided with small-bore hollow charge (14) and conical liner (15), it is characterized in that: in back level housing (18), be provided with hollow charge (19) and truncated cone shape cavity liner (20), between prime and back level, be provided with explosion-proof part (17) and the time-delay flame proof parts that are pressed into of time-delay priming (16), prime, time-delay flame proof parts and back level press-fit and are integral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97202592 CN2282064Y (en) | 1997-03-27 | 1997-03-27 | Petroleum composite perforating shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97202592 CN2282064Y (en) | 1997-03-27 | 1997-03-27 | Petroleum composite perforating shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2282064Y true CN2282064Y (en) | 1998-05-20 |
Family
ID=33923709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97202592 Expired - Fee Related CN2282064Y (en) | 1997-03-27 | 1997-03-27 | Petroleum composite perforating shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2282064Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100552369C (en) * | 2005-02-23 | 2009-10-21 | 南非军备有限公司 | The method of beehive-shaped charge assembly and destruction target |
| CN102287170A (en) * | 2011-08-13 | 2011-12-21 | 中北大学 | Variable-burning-rate synergistic perforating propellant |
| CN102434133A (en) * | 2011-11-30 | 2012-05-02 | 中北大学 | Deep penetration large-aperture perforating bullet |
-
1997
- 1997-03-27 CN CN 97202592 patent/CN2282064Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100552369C (en) * | 2005-02-23 | 2009-10-21 | 南非军备有限公司 | The method of beehive-shaped charge assembly and destruction target |
| US7779760B2 (en) | 2005-02-23 | 2010-08-24 | Armaments Corporation Of South Africa Limited | Shaped charge assembly and method of damaging a target |
| CN102287170A (en) * | 2011-08-13 | 2011-12-21 | 中北大学 | Variable-burning-rate synergistic perforating propellant |
| CN102287170B (en) * | 2011-08-13 | 2014-01-15 | 中北大学 | Variable-burning-rate synergistic perforating propellant |
| CN102434133A (en) * | 2011-11-30 | 2012-05-02 | 中北大学 | Deep penetration large-aperture perforating bullet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |