CN205297497U - It explodes device to be used for ultra -temperature, superhigh pressure oil gas well perforation to pass with time delay - Google Patents
It explodes device to be used for ultra -temperature, superhigh pressure oil gas well perforation to pass with time delay Download PDFInfo
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- CN205297497U CN205297497U CN201521076672.7U CN201521076672U CN205297497U CN 205297497 U CN205297497 U CN 205297497U CN 201521076672 U CN201521076672 U CN 201521076672U CN 205297497 U CN205297497 U CN 205297497U
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Abstract
The utility model relates to an it explodes device to be used for ultra -temperature, superhigh pressure oil gas well perforation to pass with time delay, it explodes the mechanism to pass including time delay coupling, time delay body and the baffle time delay that has a minute level time delay function, wherein, the time delay coupling is constituteed with time delay body threaded connection, baffle time delay biography is exploded the mechanism and is mainly included baffle point firearm, delay device, output subassembly and explosion subassembly to it is originally internal through the built -in time delay of threaded connection. The utility model is suitable for an in the special oil gas well perforation constructions such as horizontal well perforation under the super high voltage ring border of ultra -temperature, underbalance perforating, multistage detonating perforation. Its outstanding advantage does: be suitable for 220 DEG C temperature resistants, 100h, the perforating operation requirement in the pit of withstand voltage 200MPa, convenient to use is nimble, and the effect is reliable, characteristics such as the precision of postponing height.
Description
Technical field
This utility model relates to Oil/gas Well TCP oil tube transmission perforation field, particularly relates to a kind of suitable in superhigh temperature, super high pressure oil gas well perforating job minute level time delay boosting explosive material.
Background technology
In recent years, along with the exploitation of Oil Strategy resource, perforating oil gas well is constructed and is encountered the highly difficult perforated holes such as ultra-deep, superhigh temperature, supertension, creep rock stratum in the reservoir exploration recovery process such as Tarim Basin, the Sichuan Basin, Zhanjiang, South Sea block at home. These perforated hole construction periods are longer, and difficulty of construction is big, often adopt weighted mud to guarantee the safety of production string as well killing fluid, thus propose perforation necessary accessories and should possess 220 DEG C of 100h heatproof indexs and the resistance to forcing up the targets of 200MPa.
Domestic more external Development Level slower development, but also achieve significant progress in recent years. Domestic and international patent (as: USP4614156, USP5062485, USP5386780, ZL200720129027.6, ZL200720032863.2) all adopt subpackage partial pressure type delay charge structure. The common feature of this structure is in that, the delay grain that suppresses loads after Delay Tube the bonding transition point stick at its two ends, and adopts igniter cap mode of excitation to light a fire. But because charge process is complex, product quality is difficult to control, extension cutoff, the fire phenomenon that leaps up happen occasionally. Along with science and technology water product and understanding the improving constantly of water product, domestic disclose again brand-new subpackage partial pressure type delay charge structure, patent ZL201220535887.0, this structure has carried out process modification mainly for extension cutoff, fire of leaping up, Delay Tube two ends are adopted respectively to suppress one delay powder technique, eliminate the impact of powder column gap and ligament, solve extension cutoff, leap up fire problem. In addition, domestic also disclosed a kind of flexible cable formula delay device, ZL201220535887.0, can realize a minute level delay function equally, but extension cutoff, the fire problem that leaps up fail to solve.
Extension propagation of explosion series products reported above all more or less also exists deficiency, and the most key be that its most high-temperature resistant is only 200 DEG C of 48h, the pressure 140MPa that is only, can not meet the demand of superhigh temperature, supertension perforating oil gas well.
Summary of the invention
This utility model solves the technical problem that it is for the current time delay propagation of explosion ubiquitous defect of class equipment, it is provided that a kind of 220 DEG C of 100h of heatproof, the high accuracy of pressure 200MPa, high reliability, the easy extension explosion propagation device assembled.
The technical solution of the utility model is: a kind of for superhigh temperature, supertension perforating oil gas well time delay explosion propagation device, including body 2 and dividing plate time delay propagation of explosion mechanism 3; Dividing plate lighter 2 in described dividing plate time delay propagation of explosion mechanism 3 inputs powder charge and is followed successively by carboxymethyl cellulose lead azide and hexanitro from top to bottom, and output powder charge is carboxymethyl cellulose lead azide and titanium mooring points gunpowder; The outside cladding asbestos ribbon 3-8 buried between rope start-stop section in described dividing plate time delay propagation of explosion mechanism 3 is also cased with protection steel bushing 3-9; Output precision 3-5 is added between blast assembly and delay device in dividing plate time delay propagation of explosion mechanism 3; Output precision 3-5 includes output cap seat 3-5-b and output cap 3-5-a, output cap 3-5-a and is positioned at output cap seat 3-5-b, and output cap 3-5-a is suppressed by carboxymethyl cellulose lead azide and titanium mooring points gunpowder and forms
Further technical scheme of the present utility model is: described body 2 two ends are provided with external screw thread, and inside is provided with stepped throughhole; Dividing plate time delay propagation of explosion mechanism 3 is positioned at body 2 stepped throughhole; Described dividing plate time delay propagation of explosion mechanism 3 includes dividing plate lighter 3-1, dividing plate seat 3-2, delay device 3-3, asbestos ribbon 3-8, protection steel bushing 3-9, burning seat 3-4, output precision 3-5, blast assembly 3-6 and detonation seat 3-7; From the input of body 2, threaded successively have dividing plate seat 3-2, delay device 3-3, burning seat 3-4 and detonation seat 3-7; Dividing plate lighter 3-1 is positioned at dividing plate seat 3-2 and for threaded; Output precision and blast assembly are respectively fixedly connected with in burning seat 3-4 and detonation seat 3-7; Dividing plate lighter 3-1 is connected with outside priming device, and detonation seat 3-4 is connected with outside perforating gun.
Further technical scheme of the present utility model is: the input at delay device 3-3 is connected to time delay box cupling 1; Time delay box cupling 1 is internal is provided with stepped throughhole, and time delay box cupling 1 is threadeded with the input of body 2 and sealed by sealing ring.
Further technical scheme of the present utility model is: described dividing plate lighter 3-1 also includes tinfoil paper cover plate 3-1-c; And tinfoil paper cover plate 3-1-c is bonded on the powder of output powder charge.
Further technical scheme of the present utility model is: the output cap seat 3-5-b in described output precision 3-5 is hollow cylinder, and output cap 3-5-a is bonded in the endoporus of hollow cylinder.
Further technical scheme of the present utility model is: the diameter dimension that dividing plate time delay propagation of explosion mechanism 3 is cased with protection steel bushing 3-9 place is 36mm, and body 2 minimum place wall thickness is 13mm.
Further technical scheme of the present utility model is: described blast assembly 3-6 includes detonate a 3-6-1, detonator 3-6-2, detonator seat 3-6-3 and propagation squib 3-6-4; Detonate and be provided with two grades of stepped throughhole in a 3-6-1; Being bonded with detonator seat 3-6-3 and detonator 3-6-2 in hole, big footpath, diameter holes is built-in is bonded with propagation squib 3-6-4.
Further technical scheme of the present utility model is: on described protection steel bushing 3-9, outer wall spiral has the circular hole that diameter is 3.5mm, and circular hole is 90 degree of distributions.
Further technical scheme of the present utility model is: be provided with stepped throughhole inside described dividing plate seat 3-2, and one end outer wall near body 2 is provided with sealing hole, flat away from milling on the cylindrical section of body 2 one end.
Invention effect
Of the present utility model have the technical effect that
(1), owing to adopting dividing plate time delay propagation of explosion mechanism Miniaturization Design, it may be achieved increase time delay body wall thickness and improve the purpose of intensity, make device entirety compressive resistance reach 200MPa.
(2), owing to adopting the open by design of extension cavity, essentially eliminate the pressure of ambient gas impact on delaying, improve delay precision.
(3), owing to adopting anti-fire design of leaping up; mode by fire proofing asbestos ribbon tight delay element; shock wave, the gases at high pressure of blast generation and the hot residue of ignition charge that dividing plate lighter is produced carry out effectively stopping or decay; protection output cap and blast assembly effectively, it is to avoid they accidental ignitions.
(4), owing to adopting output precision design, it is achieved that burning and the reliable conversion of detonation, improve the reliability of detonation output.
(5), owing to have employed the titanium mooring points gunpowder ignition powder use as dividing plate lighter and output cap, firer's part heat resistance is made to have reached 220 DEG C of 100h.
Accompanying drawing explanation
Fig. 1 is this utility model superhigh temperature, supertension perforating oil gas well time delay explosion propagation device structural representation;
Fig. 2 is this utility model time delay body construction schematic diagram;
Fig. 3 is this utility model dividing plate extension propagation of explosion structural scheme of mechanism;
Fig. 4 is this utility model dividing plate lighter schematic diagram
Fig. 5 is this utility model dividing plate holder structure schematic diagram;
Fig. 6 is this utility model dividing plate seat input schematic cross-section;
Fig. 7 is this utility model delay device schematic diagram;
Fig. 8 is this utility model COMBUSTION TO DETONATION TRANSITION holder structure schematic diagram;
Fig. 9 is this utility model output precision structural representation;
Figure 10 is this utility model output cap charge constitution schematic diagram;
Figure 11 is this utility model output cap holder structure schematic diagram;
Figure 12 is this utility model detonation holder structure schematic diagram;
Figure 13 is this utility model detonation seat outfan schematic cross-section;
Figure 14 is this utility model blast modular construction schematic diagram;
Figure 15 is that this utility model detonates holder structure schematic diagram;
Figure 16 is this utility model protection steel sleeve structure schematic diagram;
Description of reference numerals: 1-time delay box cupling; 2-time delay body; 3-dividing plate time delay propagation of explosion mechanism; 3-1 is dividing plate lighter, and 3-2 is dividing plate seat, and 3-3 is delay device, and 3-4 is burning seat, and 3-5 is output precision, and 3-6 is blast assembly, and 3-7 is detonation seat, and 3-1-a is detonator stiffened cap, and 3-1-b is priming and titanium mooring points gunpowder; 3-1-c is tinfoil paper cover plate, 3-a is first shoulder; 3-b is the second shoulder; 3-c is the 3rd shoulder; 3-d is the oblate shell of column of milling; 3-5-a is output cap; 3-5-b is output cap seat; 3-6-1 is the seat that detonates; 3-6-2 is detonator, and 3-6-3 is detonator seat, 3-6-4 propagation squib.
Detailed description of the invention
Below in conjunction with being embodied as example, technical solutions of the utility model are further illustrated.
1., referring to Fig. 1 Figure 16, the one that this utility model provides is for superhigh temperature, supertension perforating oil gas well time delay explosion propagation device, including time delay box cupling 1, time delay body 2, dividing plate time delay propagation of explosion mechanism 3, described dividing plate time delay propagation of explosion mechanism 3 includes dividing plate lighter 3-1, dividing plate seat 3-2, delay device 3-3, COMBUSTION TO DETONATION TRANSITION seat 3-4, output precision 3-5, blast assembly 3-6, detonation seat 3-7, asbestos ribbon 3-8 and protection steel bushing 3-9. dividing plate seat 3-2 one end is provided with shoulder hole and screwed hole, the other end is provided only with screwed hole, threaded with dividing plate lighter 3-1 and delay device 3-3 respectively in two ends, delay device 3-3 is head and the tail symmetrical structures, bury rope start-stop section at it be coated with asbestos ribbon 3-8 and be cased with protection steel bushing 3-9, delay device's 3-3 other end is threadeded with the COMBUSTION TO DETONATION TRANSITION seat 3-4 of assembling output precision 3-5, and realize axially location by the interior shoulder of COMBUSTION TO DETONATION TRANSITION seat 3-4, the COMBUSTION TO DETONATION TRANSITION seat 3-4 other end is threadeded with detonation seat 3-7, and it is equipped with blast assembly 3-6 at detonation seat 3-7 endoporus,Described output precision 3-5 is gluedd joint by output cap 3-5-1 and output cap seat 3-5-2 and forms; Described blast assembly 3-6 is made up of the propagation squib 3-6-4 gluedd joint in a 3-6-1 shoulder hole that detonates and detonator seat 3-6-3, wherein, is bonded with detonator 3-6-2 in detonator seat 3-6-3; The annexation of described time delay box cupling 1, time delay body 2 and dividing plate time delay propagation of explosion mechanism 3 is: time delay box cupling 1 one end forms hollow stepped cylindrical body with time delay body 2 threaded one end after being connected, and is threaded connection in the shoulder hole position of time delay body 2 and realizes dividing plate time delay propagation of explosion mechanism and fix. Described dividing plate time delay propagation of explosion mechanism 3 is fixed in time delay body 2 cavity, and the sealed design in one end, other end open type designs. Described delay device 3-3 rope winding section outer surface adopts the design of temperature-resistant material asbestos ribbon 3-9 voluble wrapping. Delay agent and the ignition powder of the filling of described dividing plate time delay propagation of explosion mechanism 3 have selected tungsten type delay composition, zirconium mooring points gunpowder and titanium mooring points gunpowder respectively, and above medicament is all resistant to 220 DEG C of 100h high temperature. COMBUSTION TO DETONATION TRANSITION design is have employed, i.e. output precision 3-5 design between delay device 3-3 and blast assembly 3-6. Output cap 3-5-1 is suppressed by carboxymethyl cellulose lead azide and titanium mooring points gunpowder and forms. The described dividing plate bonding little detonator of lighter 3-1 mono-stomidium, other end pore pressure carboxymethyl cellulose lead azide and titanium mooring points gunpowder. Time delay box cupling 1 is threadeded with time delay body 2 and is sealed by sealing ring; Dividing plate time delay propagation of explosion mechanism 3 by dividing plate lighter 3-1, dividing plate seat 3-2, delay device 3-3, COMBUSTION TO DETONATION TRANSITION seat 3-4, detonation seat 3-7 is threaded successively forms, and is threaded connection in built-in time delay body 2 cavity; The end of thread of described dividing plate time delay propagation of explosion mechanism 3 is provided with sealing surface and seal groove and is furnished with sealing ring, and tail end is provided with semi-circular relief hole, and the end of thread is connected with extension body 2 and is sealed by sealing ring, makes delay device 3-3 be in semi-open-type burning situation.
The diameter dimension that dividing plate time delay propagation of explosion mechanism 3 is cased with protection steel bushing 3-9 place is 36mm, and it is 13mm that this size determines time delay body 2 minimum wall thickness (MINI W.) of matched in clearance with it, and this wall thickness can bear more than 200MPa pressure.
Described dividing plate time delay propagation of explosion mechanism 3 rope winding section is coated with asbestos ribbon 3-8 and is cased with protection steel bushing 3-9, and it be 90 degree of distribution diameters is the circular hole of 3.5mm that protection steel bushing outer wall is provided with spiral.
Described dividing plate lighter 3-1 selects carboxymethyl cellulose lead azide and titanium mooring points gunpowder as output powder charge, adopts two to fill a compression technology; Input powder charge adopts the powder charge design of bonding superhigh temperature detonator stiffened cap.
Described output cap 3-5-1 is adhered to output cap 3-5-1 endoporus composition output precision 3-5, exports flame in order to accept delay device 3-3 and completes COMBUSTION TO DETONATION TRANSITION.
During work, dividing plate lighter accepts higher level's priming device or perforating gun detonation wave output flame punching energy, and flame punching can light any one extension rope in delay device, and after extension rope smooth combustion, heat outputting punching can, detonate output precision, blast assembly successively, and then ignites perforating gun. Below for each Figure of description, it is described in detail.
As shown in Figure 1, preferred embodiment of the present utility model includes time delay box cupling 1, time delay body 2, dividing plate time delay propagation of explosion mechanism 3 and some sealing rings.
As shown in Figure 2, time delay body 2 is hollow cylinder, the input face of cylinder set external screw thread, two seals groove with together with back stop slot, the outfan face of cylinder is provided with external screw thread and two seals groove, two ends external screw thread is connected with time delay box cupling 1 and perforating gun respectively, and the screw thread back-off accident generation in process in case locking apparatus is gone into the well of flush end holding screw is assembled in back stop slot position, shoulder hole one end is provided with screwed hole and seals hole, being connected with dividing plate time delay propagation of explosion mechanism 3 and adopt sealing ring to seal, in the shoulder hole other end, dividing plate time delay propagation of explosion mechanism 3 is axially positioned by shoulder;
As shown in Figure 3, described dividing plate time delay propagation of explosion mechanism 3 is made up of dividing plate lighter 3-1, dividing plate seat 3-2, delay device 3-3, COMBUSTION TO DETONATION TRANSITION seat 3-4, output precision 3-5, blast assembly 3-6, detonation seat 3-7, asbestos ribbon 3-8 and protection steel bushing 3-9 and sealing ring.
As shown in Figure 4, dividing plate lighter 3-1 is approximate " H " pore structure cylinder, threadeds with dividing plate seat 3-7 and is sealed by sealing ring; In the shoulder hole of dividing plate lighter, employing solidification is gluing meets detonator stiffened cap 3-1-a, and another stomidium is intrinsic pressure is shaped with priming and titanium mooring points gunpowder 3-1-b, and is bonded with the tinfoil paper cover plate 3-1-c of diameter of phi 16mm, thickness 0.02mm at powder.
As shown in Figure 5, dividing plate seat 3-7 is hollow cylinder, first shoulder 3-a is formed being inserted in protection steel bushing 3-10 end, seal with time delay body 2 hole match formation the second shoulder 3-b, and it is provided with seal groove and equipped with sealing ring at shoulder place, formation the 3rd shoulder 3-c is threadeded with time delay body 2, at its screw thread cut-off residue flat 3-d of cylindrical section milling, its cross sectional shape is as shown in Figure 6, shoulder hole is two ends internal thread through hole structures, its one end is provided with sealing hole and interior shoulder, spin together with dividing plate lighter 3-1 and sealed by sealing ring, its other end is connected with delay device 3-3 by screw thread.
As shown in Figure 7, time-delay mechanism 3-3 is the double; two cable-styled symmetrical cylinder of spiral winding, structure keeps consistent with patent " double-cable delay mechanism " (ZL201120462352.0), it is different in that profile arrangement is less, it is equipped with external screw thread at its cylinder two ends, threadeds with dividing plate seat 3-2 and COMBUSTION TO DETONATION TRANSITION seat 3-4 respectively;
As shown in Figure 8, COMBUSTION TO DETONATION TRANSITION seat 3-4 is the hollow stepped cylindrical body of one end external screw thread, other end female thread, and two ends screw thread is connected with the 3-8 and time-delay mechanism 3-3 that detonates respectively, is solidly connected output precision 3-5 at its male end endoporus glue;
As shown in Figure 9, output precision 3-5 is made up of output cap seat 3-5-b and the output cap 3-5-a being bonded in its endoporus.
As shown in Figure 10, output cap 3-5-a forms by being sequentially loaded into priming and the compacting of titanium mooring points gunpowder.
As shown in Figure 11, output cap seat 3-5-b is hollow cylinder, and small bore end contacts with output cap 3-5-a bottom surface.
As shown in Figure 12, described detonation seat 3-7 is the big end stand shoulder hollow cylinder to uniform four semicolumn grooves, its schematic cross-section is as shown in Figure 13, cylinder endoporus is equipped with the blast assembly 3-6 of built-in priming system, cylindrical member at one end female thread is connected with COMBUSTION TO DETONATION TRANSITION seat 3-4 external screw thread, and is touched by shoulder in time delay body 2 and big end stand shoulder grafting and realize detonation seat 3-7 and axially position.
As shown in Figure 14, blast assembly 3-6 is by detonating a 3-6-1 and the propagation squib of bonding shoulder hole within it and detonator are constituted successively.
As shown in Figure 15, described in a 3-6-1 that detonates be hollow stepped cylindrical body, its large and small endoporus is respectively provided with detonator and propagation squib.
Described protection steel bushing 3-10 is thin cylinder as shown in Figure 16; slide over the rope winding section surface of the dividing plate time delay propagation of explosion mechanism 3 being coated with asbestos ribbon 3-9, and be distributed along the axis direction spiral (45 �� of phase place) on its face of cylinder and have five circular holes for aerofluxus.
The advantage of this preferred embodiment is in that to prevent that " fire of leaping up " designs, and namely the rope winding section of described dividing plate time delay propagation of explosion mechanism 3 adopts spiral winding cladding fire proofing asbestos ribbon 3-8 design. This design can solve described dividing plate lighter 3-1 igniting output heat punching can, the high-temperature gas etc. that produces of the hot residue that generates of burning and blast, directly act on output precision 3-5 or blast assembly 3-6 with time delay body 2 fit clearance through dividing plate time delay propagation of explosion mechanism 3 and cause accidental ignition.
The advantage of this preferred embodiment is in that the compact in size design of described dividing plate time delay propagation of explosion mechanism 3, namely described time-delay mechanism 3-3 is for have employed my company's standard product double-cable delay mechanism (patent No.: 201120462352.0) structural design similar, but it is different in that, monnolithic case size design Miniaturization Design, can correspondingly improve matched time delay body wall thickness dimension, to meet the deep-well instructions for use of the pressure 220MPa of product. Additionally, this mechanism can need individually to pack according to user, use more convenient.
The advantage of this preferred embodiment is in that the Loading Materials for Initiating Explosive Devices that each fire-working component all adopts heat resistance more excellent carries out powder charge design, can reach 200 DEG C, down-hole 100h and use heatproof requirement in described dividing plate time delay propagation of explosion mechanism 3 except delay device 3-3.
The advantage of this preferred embodiment is in that extension rope burning situation open type designs, namely described dividing plate time delay propagation of explosion mechanism 3 is the airtight open at one end formula structure in one end with the narrow and small combustion space constructed by time delay body 2, sealed end refers to that described dividing plate time delay propagation of explosion mechanism 3 input is threadeded with time delay body 2 and sealed by sealing ring to realize between described dividing plate time delay propagation of explosion mechanism 3 and priming device mutually airtight, open end refers to that dividing plate time delay propagation of explosion mechanism 3 is by time delay body 2 centre bore end, in time delay body 2, shoulder is only to 3 axial positioning functions of dividing plate time delay propagation of explosion mechanism, micro-gas that medicament burning produces can realize dividing plate time delay propagation of explosion mechanism 3 by the semicircle orifice of detonation seat 3-7 and communicate with perforating gun. open end design can weaken the confined space combustion-gas pressure rising impact on extension rope smooth combustion, is beneficial to the raising of delay precision.
The advantage of this preferred embodiment is in that COMBUSTION TO DETONATION TRANSITION designs, i.e. output precision design. From assembly technology and security consideration, described delay device 3-3 should leave certain interval from filling sensitivity blast assembly, because of the existence of air-gap, the ignition energy of extension rope output can be lost to a certain extent, cause that blast assembly realizes the reliability of normal detonation not high. For this, carried out output cap design between, realized the amplification step by step of ignition energy by using output cap, thus reach improve ignite blast assembly ability.
The assembling process of this preferred embodiment is: be first inserted in by sealing ring in dividing plate lighter 3-1 seal groove, then the dividing plate lighter 3-1 end of thread screws in the dividing plate seat 3-2 threaded one end hole packaging sealing ring. Dividing plate seat 3-2 other end screw thread is threadeded with two ends symmetrical structure delay device 3-3 arbitrary end, at delay device 3-3 one layer of asbestos ribbon 3-8 of rope winding section spiral winding and overlap people and protect steel bushing 3-9. After assembling, delay device's 3-3 other end is threadeded with COMBUSTION TO DETONATION TRANSITION seat 3-4, and with solidifying the gluing output precision 3-5 that connects in COMBUSTION TO DETONATION TRANSITION seat 3-4 outfan endoporus. After adhesive curing, blast assembly 3-6 is positioned over and detonates in a 3-6-1, after a 3-6-1 that will detonate be placed in detonation seat 3-7. Then, will be equipped with the detonation seat 3-7 of fire-working component and COMBUSTION TO DETONATION TRANSITION seat 3-4 and threaded the assembling of dividing plate time delay propagation of explosion mechanism 3. Finally, dividing plate time delay propagation of explosion mechanism 3 is screwed in time delay body 2 centre bore that two ends package sealing ring, more threaded time delay body 2 completes general assembly with time delay box cupling 1.
The work process of this preferred embodiment is, when dividing plate lighter 3-1 receives the shock wave energy of higher level's priming device or perforating gun output, dividing plate input detonator stiffened cap generation detonation produces shock wave, shock wave acts on dividing plate outfan powder charge after dividing plate energy attenuation, outfan powder charge produces flame punching can, flame punching can act on delay device 3-3 and light two extension ropes therein, and two extension ropes burn with respective velocity-stabilization respectively, thus completing a minute level extension function.When time delay terminates, the punching of extension rope heat outputting can ignite output precision adjacent thereto, blast assembly successively, and then ignites perforating gun. This extension explosion propagation device can be applicable to Oil/gas Well multistage detonation technology.
Claims (9)
1. for superhigh temperature, a supertension perforating oil gas well time delay explosion propagation device, including body (2) and dividing plate time delay propagation of explosion mechanism (3); It is characterized in that, dividing plate lighter (2) input powder charge in described dividing plate time delay propagation of explosion mechanism (3) is followed successively by carboxymethyl cellulose lead azide and hexanitro from top to bottom, and output powder charge is carboxymethyl cellulose lead azide and titanium mooring points gunpowder; The outside buried between rope start-stop section in described dividing plate time delay propagation of explosion mechanism (3) is coated with asbestos ribbon (3-8) and is cased with protection steel bushing (3-9); Output precision (3-5) is added between blast assembly and delay device in dividing plate time delay propagation of explosion mechanism (3); Output precision (3-5) includes output cap seat (3-5-b) and output cap (3-5-a), output cap (3-5-a) is positioned at output cap seat (3-5-b), and output cap (3-5-a) is suppressed by carboxymethyl cellulose lead azide and titanium mooring points gunpowder and formed.
2. as claimed in claim 1 a kind of for superhigh temperature, supertension perforating oil gas well time delay explosion propagation device, it is characterised in that described body (2) two ends are provided with external screw thread, and inside is provided with stepped throughhole; Dividing plate time delay propagation of explosion mechanism (3) is positioned at body (2) stepped throughhole; Described dividing plate time delay propagation of explosion mechanism (3) includes dividing plate lighter (3-1), dividing plate seat (3-2), delay device (3-3), asbestos ribbon (3-8), protection steel bushing (3-9), burning seat (3-4), output precision (3-5), blast assembly (3-6) and detonation seat (3-7); From the input of body (2), threaded successively have dividing plate seat (3-2), delay device (3-3), burning seat (3-4) and detonation seat (3-7); Dividing plate lighter (3-1) is positioned at dividing plate seat (3-2) and for threaded; Output precision and blast assembly are respectively fixedly connected with in burning seat (3-4) and detonation seat (3-7); Dividing plate lighter (3-1) is connected with outside priming device, and detonation seat (3-4) is connected with outside perforating gun.
3. as claimed in claim 1 or 2 a kind of for superhigh temperature, supertension perforating oil gas well time delay explosion propagation device, it is characterised in that the input in delay device (3-3) is connected to time delay box cupling (1); Time delay box cupling (1) is internal is provided with stepped throughhole, and time delay box cupling (1) is threadeded with the input of body (2) and sealed by sealing ring.
4. as claimed in claim 1 a kind of for superhigh temperature, supertension perforating oil gas well time delay explosion propagation device, it is characterised in that described dividing plate lighter (3-1) also includes tinfoil paper cover plate (3-1-c); And tinfoil paper cover plate (3-1-c) is bonded on the powder of output powder charge.
5. as claimed in claim 1 a kind of for superhigh temperature, supertension perforating oil gas well time delay explosion propagation device, it is characterized in that, output cap seat (3-5-b) in described output precision (3-5) is hollow cylinder, and output cap (3-5-a) is bonded in the endoporus of hollow cylinder.
6. as claimed in claim 1 a kind of for superhigh temperature, supertension perforating oil gas well time delay explosion propagation device, it is characterised in that the maximum gauge of delay device (3-3) is 36mm, and body (2) minimum place wall thickness is 13mm.
7. as claimed in claim 1 a kind of for superhigh temperature, supertension perforating oil gas well time delay explosion propagation device, it is characterized in that, described blast assembly (3-6) includes detonate seat (3-6-1), detonator (3-6-2), detonator seat (3-6-3) and propagation squib (3-6-4);Detonate and be provided with two grades of stepped throughhole in seat (3-6-1); Being bonded with detonator seat (3-6-3) and detonator (3-6-2) in hole, big footpath, diameter holes is built-in is bonded with propagation squib (3-6-4).
8. as claimed in claim 1 a kind of for superhigh temperature, supertension perforating oil gas well time delay explosion propagation device, it is characterised in that the upper outer wall spiral of described protection steel bushing (3-9) has the circular hole that diameter is 3.5mm, and circular hole is 90 degree of distributions.
9. as claimed in claim 1 a kind of for superhigh temperature, supertension perforating oil gas well time delay explosion propagation device, it is characterized in that, described dividing plate seat (3-2) is internal is provided with stepped throughhole, one end outer wall near body (2) is provided with sealing hole, flat away from milling on the cylindrical section of body (2) one end.
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CN112127343A (en) * | 2020-08-19 | 2020-12-25 | 中国港湾工程有限责任公司 | Dynamic compaction construction device and construction method for soft soil foundation |
CN112127343B (en) * | 2020-08-19 | 2021-11-02 | 中国港湾工程有限责任公司 | Dynamic compaction perforation construction device and construction method for soft soil foundation |
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