CN201502366U

CN201502366U - Secondary ignition detonating primer

Info

Publication number: CN201502366U
Application number: CN2009202472092U
Authority: CN
Inventors: 张子义; 刘清明; 李兆奇; 张永利; 王玉琛
Original assignee: LIAONING BEIFANG HUAFENG SPECIAL CHEMICAL INDUSTRY Co Ltd
Current assignee: LIAONING BEIFANG HUAFENG SPECIAL CHEMICAL INDUSTRY Co Ltd
Priority date: 2009-10-20
Filing date: 2009-10-20
Publication date: 2010-06-09
Anticipated expiration: 2019-10-20

Abstract

The utility model relates to a secondary ignition detonating primer, comprising a detonating cord, an ignition device shell, a seat body, gun propellant, a bullet shell, a detonator base, delay powder and explosives and the like; the detonating cord is arranged on the ignition device shell which is arranged at the left end of the seat body, the bullet shell, a sleeve and an outer pipe are respectively arranged at the right end of the detonator base and are arranged in a middle cavity of the seat body, the gun propellant is filled at left end of the middle cavity of the seat body, the igniting powder and the explosives are filled in the left end of the detonator base, the detonator initiating explosive and the detonator igniting powder are filled in the right end of the detonator base, the delay igniting powder, the delay powder, the delay initiating explosive and the delay explosive are filled in an inner pipe shell respectively, the detonator explosive is filled in the right end of the outer pipe, and the explosives are filed in the right end of the bullet shell; the secondary ignition detonating primer has the advantages of simple structure, safe and reliable working, delay accuracy and convenient operation and is suitable for needs of high-temperature high-pressure oil and gas well perforation ignition and detonation, liquid phase resistance high-pressure capacity can reach 60MPa, the gas phase resistance high-pressure capacity can reach 180MPa and the high-temperature resistance capacity can reach 160 DEG C.

Description

A kind of two-stage ignition initiator

Technical field

The utility model belongs to the initiator technology, and particularly a kind of HTHP perforating oil gas well that is applicable to is ignited the ignition and detonation device of usefulness.

Background technology

Compound technique of perforating is generally adopted in order to improve oil yield in China oil field at present.But, under the HTHP that oil, water, silt are arranged, playing the quick-fried bullet of explosive expansion, ubiquity is punctured by high temperature and high pressure gas, technical problem such as cause that wink is sent out.Safe and reliable in order to ensure getting angry when the oil gas well composite gun perforation, easy to operate, this patent has designed a kind of new igniting and detonating technique, promptly light a fire and detonate and finish by the two-stage dividing plate, it once is the igniting of under the HTHP liquid phase, detonating, secondary is to light the Millisecond delay powder under the HTHP gas phase, and guarantees not by faults such as the high temperature and high pressure gas puncture cause that wink is sent out.This technology has solved the technical problem of oil field in the HTHP down-firing and the existence of detonating, and is applicable to the needs at high temperature high pressure oil gas well perforation ignition and detonation.

The utility model content

The purpose of this utility model is the technical problem in order to solve existing igniting and to detonate and exist in the liquid and gas of HTHP, designed a kind of simple in structure, safe and reliable, accurate and easy to operate ignition and detonation device of delaying, be applicable to needs at high temperature high pressure oil gas well perforation ignition and detonation, the high pressure of anti-liquid phase ability can reach 60MPa, gasproof phase high pressure ability can reach 180MPa, and heat-resisting ability can reach 160 ℃.

The utility model comprises detonating fuse, the igniter housing, the igniter priming, the igniter ignition charge, the detonator seat, ignition charge, priming, the blasting cap initiation medicine, the detonator ignition charge, interior shell, outer tube, sleeve pipe, cartridge case, pedestal, bursting charge, cap explosive, the extension explosive, the delay initiation medicine, Dark Ignition medicine and propellant powder, detonating fuse is arranged on the igniter housing, the igniter housing is arranged on the left end of pedestal, igniter priming and igniter ignition charge are housed in the igniter housing, sleeve pipe is housed on the outer tube, sleeve pipe is contained in the cartridge case, cartridge case and sleeve pipe, outer tube all is separately positioned on the right-hand member of detonator seat, and be arranged in the lumen of pedestal, the left end of pedestal lumen is equipped with propellant powder, ignition charge and priming are housed in the left end of detonator seat, blasting cap initiation medicine and detonator ignition charge are housed in the right-hand member of detonator seat, the Dark Ignition medicine is housed respectively in the interior shell, delay powder, delay initiation medicine and extension explosive, interior shell also is arranged in the outer tube, in the right-hand member of outer tube cap explosive is housed, in the right-hand member of cartridge case bursting charge is housed.

The utlity model has advantages such as simple in structure, safe and reliable, that extension is accurate and easy to operate, be applicable to the needs of lighting a fire and detonating at high temperature high pressure oil gas well perforation, the high pressure of anti-liquid phase ability can reach 60MPa, gasproof phase high pressure ability can reach 180MPa, and heat-resisting ability can reach 160 ℃.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

1 detonating fuse, 2 igniter housings, 3 igniter primings, 4 igniter ignition charges, 5 detonator seats, 6 ignition charges, 7 primings, 8 blasting cap initiation medicines, 9 detonator ignition charges, 10 interior shells, 11 outer tubes, 12 sleeve pipes, 13 cartridge cases, 14 pedestals, 15 bursting charges, 16 cap explosives, 17 extension explosives, 18 delay initiation medicines, 19 delay powders, 20 Dark Ignition medicines, 21 propellant powder among the figure.

The specific embodiment

Further specify the structural concept of the present utility model and the course of work below in conjunction with example.

As shown in Figure 1, a kind of two-stage ignition initiator comprises detonating fuse 1, igniter housing 2, igniter priming 3, igniter ignition charge 4, detonator seat 5, ignition charge 6, priming 7, blasting cap initiation medicine 8, detonator ignition charge 9, interior shell 10, outer tube 11, sleeve pipe 12, cartridge case 13, pedestal 14, bursting charge 15, cap explosive 16, extension explosive 17, delay initiation medicine 18, delay powder 19, Dark Ignition medicine 20 and propellant powder 21.

Wherein be mounted with detonating fuse 1 on the igniter housing 2, igniter housing 2 is fixed on the left end of pedestal 14, igniter priming 3 and igniter ignition charge 4 are housed in the igniter housing 2, igniter priming 3 be contained in igniter ignition charge 4 above, on the outer tube 11 of detonator sleeve pipe 12 is housed, sleeve pipe 12 is contained in the cartridge case 13, and cartridge case 13 and sleeve pipe 12, outer tube 11 all are weldingly fixed on respectively on the right-hand member of detonator seat 5, and are arranged in the lumen of pedestal 14.In the left end of pedestal 14 lumens propellant powder 21 is housed, ignition charge 6 and priming 7 are housed in the left end hole of detonator seat 5, blasting cap initiation medicine 8 and detonator ignition charge 9 are housed in the right-hand member hole of detonator seat 5.Dark Ignition medicine 20, delay powder 19, delay initiation medicine 18 and extension explosive 17 are housed respectively in the hole of interior shell 10 from left to right, and interior shell 10 also is arranged in the outer tube 11.In the right-hand member hole of outer tube 11 cap explosive 16 is housed.In the right-hand member hole of cartridge case 13 bursting charge 15 is housed.

The course of work of the present utility model is: the detonation wave of detonating fuse 1 is ignited igniter priming 3 by igniter housing 2, and lights igniter ignition charge 4.Igniter housing 2 also plays the effect of igniting dividing plate, finishes the one-level igniting of detonating under HTHP (liquid phase).The cartridge case 13 that igniter ignition charge 4 propellant powder 21 that ignites, propellant powder 21 will be equipped with detonator seat 5 is launched, and lights the ignition charge 6 in detonator seat 5 left ends simultaneously and ignites priming 7.Priming 7 passes through detonator seat 5 primer detonator primings 8, and lights detonator ignition charge 9.Detonator seat 5 also plays the effect of ignition and detonation dividing plate, finishes secondary and light the Millisecond delay powder under HTHP (gas phase), guarantees not by faults such as the high temperature and high pressure gas puncture cause that wink is sent out.Dark Ignition medicine 20, delay powder 19, delay initiation medicine 18, extension explosive 17 in detonator ignition charge 9 is lighted in the shell 10 guarantee at needed defer time and required precision detonating primer explosive 16.The bursting charge 15 that cap explosive 16 is ignited in the cartridge case 13 can reach the purpose that improves oil yield with perforating bullet in the oil gas well through producing more crack and reaming in the stratum after the bullet blast.Pedestal 14 is contained in the gun rack, and can adjust transmit direction.

Claims

1. two-stage ignition initiator, comprise detonating fuse, pedestal, propellant powder, cartridge case, bursting charge, the left end of pedestal lumen is equipped with propellant powder, in the right-hand member of cartridge case bursting charge is housed, it is characterized in that, also comprise the igniter housing, the igniter priming, the igniter ignition charge, the detonator seat, ignition charge, priming, the blasting cap initiation medicine, the detonator ignition charge, interior shell, outer tube, sleeve pipe, the Dark Ignition medicine, the delay initiation medicine, extension explosive and cap explosive, detonating fuse is arranged on the igniter housing, the igniter housing is arranged on the left end of pedestal, igniter priming and igniter ignition charge are housed in the igniter housing, sleeve pipe is housed on the outer tube, sleeve pipe is contained in the cartridge case, cartridge case and sleeve pipe, outer tube all is separately positioned on the right-hand member of detonator seat, and be arranged in the lumen of pedestal, the left end of pedestal lumen is equipped with propellant powder, ignition charge and priming are housed in the left end of detonator seat, blasting cap initiation medicine and detonator ignition charge are housed in the right-hand member of detonator seat, interior shell also is arranged in the outer tube, the Dark Ignition medicine is housed respectively in the interior shell, delay powder, delay initiation medicine and extension explosive are equipped with cap explosive in the right-hand member of outer tube.