CN219888028U - Lateral detonation assembly for modular gun - Google Patents
Lateral detonation assembly for modular gun Download PDFInfo
- Publication number
- CN219888028U CN219888028U CN202222557679.7U CN202222557679U CN219888028U CN 219888028 U CN219888028 U CN 219888028U CN 202222557679 U CN202222557679 U CN 202222557679U CN 219888028 U CN219888028 U CN 219888028U
- Authority
- CN
- China
- Prior art keywords
- lateral
- detonating
- detonator
- detonating cord
- detonation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005474 detonation Methods 0.000 title claims abstract description 30
- 238000010304 firing Methods 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 2
- 238000004880 explosion Methods 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 6
- 238000005086 pumping Methods 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000003079 shale oil Substances 0.000 description 1
Landscapes
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
The utility model is suitable for the field of completion perforation operation of an oil-gas well, and provides a lateral detonation component for a modular gun, which comprises the following components: the perforating gun is internally provided with a bullet rack, a positioning disc is connected to the bullet rack, and a screw is arranged between the positioning disc and the bullet rack; the lateral detonating seat is arranged on the positioning disc, and a detonating cord and a detonator are arranged in the lateral detonating seat. The utility model adopts the lateral overlap joint of the detonating cord and the detonator, designs the lateral detonating seat, avoids the problem of axial extrusion, and improves the reliability of explosion propagation; the assembly structure is applied to pumping perforation of an oil-gas well cable, lateral detonation of detonators to detonators in the perforation process is achieved, and meanwhile reliability is improved by adopting double detonators.
Description
Technical Field
The utility model belongs to the field of oil and gas well completion perforation operation, and particularly relates to a lateral detonation component for a modular gun.
Background
In shale oil and gas well exploration and development, a horizontal well cable pumping perforation technology is mainly adopted. In the perforation construction, the cable pumping perforation technology mainly adopts a modular gun technology at present, and the modular gun controls the detonation perforation gun by utilizing an electronic selective firing module. In traditional detonating, detonating is carried out on the detonating cord by utilizing the axial output energy of the detonator, so that the perforating gun is detonated, because a strict fit clearance is needed when the end face between the detonator and the detonating cord is detonated axially, the explosion breaking can occur when the clearance is bigger, the explosion breaking is often caused by smaller clearance in the assembly process, the bottom of the detonator and the detonating cord are extruded, and the distortion and bending of the detonating cord are caused, and the explosion breaking can also be caused.
In the existing cable pumping classified perforation, a module gun perforation technology is adopted, a detonator and a detonating cord are detonated by an axial explosion-transmitting method, because the axial butt joint of the detonator and the detonating cord needs strict matching size, the distance between the end faces of the detonator and the detonating cord is too large, explosion is extremely easy to cause, on the other hand, the distance between the end faces of the detonator and the detonating cord is too small, in the assembly process, the extrusion of the detonator to the detonating cord is easy to cause the torsion and bending of the detonating cord, explosion is also caused, and the detonation failure of the detonator to the detonating cord is caused.
Disclosure of Invention
The embodiment of the utility model aims to provide a lateral detonation component for a modular gun, which aims to solve the problems that in the existing cable pumping grading perforation, a modular gun perforation technology is adopted, a detonator and a detonating cord are detonated by an axial explosion transmission method, because the axial butt joint of the detonator and the detonating cord needs a strict matching size, the end face distance between the detonator and the detonating cord is too large, the explosion is extremely easy to be caused, and on the other hand, the end face distance between the detonator and the detonating cord is too small, the extrusion of the detonator to the detonating cord is easy to be caused, the torsion and the bending of the detonating cord are also caused, and the explosion is also caused, so that the detonation of the detonator to the detonating cord fails.
Embodiments of the present utility model are achieved by a lateral firing assembly for a modular gun, the lateral firing assembly for a modular gun comprising:
the perforating gun is internally provided with a bullet rack, a positioning disc is connected to the bullet rack, and a screw is arranged between the positioning disc and the bullet rack;
the lateral detonating seat is arranged on the positioning disc, and a detonating cord and a detonator are arranged in the lateral detonating seat.
Preferably, the lateral detonation seat is provided with a first detonating cord hole and a second detonating cord hole, and the lateral detonation seat is also internally provided with a detonator hole.
Preferably, the first detonating cord hole, the second detonating cord hole and the detonator hole are parallel to each other and are on the same plane.
Preferably, explosion propagation gaps are arranged between the first explosion wire hole and the detonator hole and between the second explosion wire hole and the detonator hole.
Preferably, the height of the explosion propagation gap is not less than 3mm.
Preferably, the overlap length of the detonating cord and the detonator is not less than 17mm.
The lateral detonation component for the module gun provided by the embodiment of the utility model has the following beneficial effects:
the utility model adopts the lateral overlap joint of the detonating cord and the detonator, designs the lateral detonating seat, avoids the problem of axial extrusion, and improves the reliability of explosion propagation; the assembly structure is applied to pumping perforation of an oil-gas well cable, lateral detonation of detonators to detonators in the perforation process is achieved, and meanwhile reliability is improved by adopting double detonators.
Drawings
FIG. 1 is a schematic view of a lateral detonation assembly for a modular gun according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a side seat of a middle die gun of a side firing assembly for a die gun according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2.
In the accompanying drawings: 1-a perforating gun; 2-spring frames; 3-positioning plate; 4-lateral detonation seats; 5-detonating cord; 6-detonator; 7-screws; 8-a first detonating cord hole; 9-a second detonating cord hole; 10-thunder pipe holes; 11-explosion propagation gap.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
As shown in fig. 1, in an embodiment of the present utility model, a lateral detonation assembly for a modular gun, the lateral detonation assembly for a modular gun includes:
the perforating gun 1, wherein a bullet frame 2 is arranged in the perforating gun 1, a positioning disc 3 is connected to the bullet frame 2, and a screw 7 is arranged between the positioning disc 3 and the bullet frame 2;
the lateral detonation seat 4 is arranged on the positioning disc 3, and the detonating cord 5 and the detonator 6 are arranged in the lateral detonation seat 4.
As shown in fig. 1 to 3, in the embodiment of the present utility model, the lateral detonation seat 4 is provided with a first detonating cord hole 8 and a second detonating cord hole 9, and the lateral detonation seat 4 is also provided with a detonator hole 10.
In the embodiment of the present utility model, the first detonating cord hole 8, the second detonating cord hole 9 and the detonator hole 10 are parallel to each other and are on the same plane, and the structure is a symmetrical structure.
As shown in fig. 1 to 3, in the embodiment of the present utility model, explosion propagation gaps 11 are provided between the first detonating cord hole 8 and the detonator hole 10 and between the second detonating cord hole 9 and the detonator hole 10.
In the embodiment of the utility model, the height of the explosion propagation gap 11 is not less than 3mm.
In the embodiment of the utility model, the overlap joint length of the detonating cord 5 and the detonator 6 is not less than 17mm.
The structure is provided with two detonating cords 5, wherein the first detonating cord hole 8 and the second detonating cord hole 9 which are parallel are inserted from the left end of the structure, the detonator 6 is inserted into the detonator hole 10 from the right side of the structure, and the two detonating cords 5 simultaneously receive the lateral detonation energy output by the detonator 6 from the detonation transfer gap 11, so that reliable lateral detonation is realized. After the two detonating cords 5 are inserted into the parallel first detonating cord holes 8 and the second detonating cord holes 9 from the left end of the structure, the two detonating cords 5 are connected together at the other end, so that the amplification of explosion propagation energy is realized, and the reliability is improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. A lateral detonation assembly for a modular gun, the lateral detonation assembly for a modular gun comprising:
the perforating gun is internally provided with a bullet rack, a positioning disc is connected to the bullet rack, and a screw is arranged between the positioning disc and the bullet rack;
the lateral detonating seat is arranged on the positioning disc, and a detonating cord and a detonator are arranged in the lateral detonating seat.
2. The lateral detonating assembly for a modular gun according to claim 1, wherein the lateral detonating seat is provided with a first detonating cord hole and a second detonating cord hole, and the lateral detonating seat is also internally provided with a detonator hole.
3. The lateral detonation assembly for a modular gun of claim 2, wherein the first detonating cord aperture, the second detonating cord aperture and the detonator aperture are parallel to each other and lie in the same plane.
4. The lateral detonation assembly for a modular gun of claim 2, wherein detonation propagation gaps are provided between the first detonating cord hole and the detonator hole and between the second detonating cord hole and the detonator hole.
5. The side firing assembly for a modular gun of claim 4 wherein the detonation transfer gap has a height of not less than 3mm.
6. The lateral firing assembly for a modular gun of claim 1 wherein the overlap length of the detonating cord and detonator is no less than 17mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222557679.7U CN219888028U (en) | 2022-09-26 | 2022-09-26 | Lateral detonation assembly for modular gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222557679.7U CN219888028U (en) | 2022-09-26 | 2022-09-26 | Lateral detonation assembly for modular gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219888028U true CN219888028U (en) | 2023-10-24 |
Family
ID=88406746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222557679.7U Active CN219888028U (en) | 2022-09-26 | 2022-09-26 | Lateral detonation assembly for modular gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219888028U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117703319A (en) * | 2023-12-15 | 2024-03-15 | 西安威尔格德能源技术有限公司 | Modularized perforating gun compatible with multiple types of perforating modes |
-
2022
- 2022-09-26 CN CN202222557679.7U patent/CN219888028U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117703319A (en) * | 2023-12-15 | 2024-03-15 | 西安威尔格德能源技术有限公司 | Modularized perforating gun compatible with multiple types of perforating modes |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219888028U (en) | Lateral detonation assembly for modular gun | |
| CN207453945U (en) | Contact connects electric-type perforating gun and modular multistage perforation tubular column | |
| CN111305798B (en) | Clustering selective-transmitting bridge shooting combined perforation module | |
| EP3899201A1 (en) | Perforating gun with switch cartridge | |
| CN113530500A (en) | Contact type perforating gun | |
| CN2934145Y (en) | Mining asymmetrically joint intermediate section groove | |
| CN108374651B (en) | Liquid inlet explosion-proof explosion-propagation device for perforation of oil and gas well | |
| CN2846739Y (en) | Position locating perforator | |
| CN219119219U (en) | Cartridge holder tube, perforating gun and perforating tool string | |
| CN216043657U (en) | Contact type perforating gun | |
| CN212563188U (en) | Detonating cord-free perforating gun for oil-gas well perforation | |
| CN212458148U (en) | One-rotation multi-explosion transfer connecting device | |
| CN108999598A (en) | A kind of perforating oil gas well electric igniter | |
| CN201358766Y (en) | Pressure detonator of full bore perforation of oil-gas well | |
| CN111946304A (en) | Detonating cord-free perforating gun for oil-gas well perforation | |
| CN217055114U (en) | Module nipple for oil-gas well | |
| CN117703320A (en) | Oil gas well modularization clustering perforation and bridge plug linkage tool | |
| CN216741469U (en) | Connecting gun device for small-diameter multistage pressure coding detonator | |
| CN110005381A (en) | Chain type body-free perforator | |
| CN101498209A (en) | Charging pipe for polyenergy perforating bomb | |
| CN200943458Y (en) | Deep hole shaft explosion reshaping device | |
| CN115370332B (en) | High-effect pressurizing perforating bullet | |
| CN2459440Y (en) | All through diameter perforating gun assembly for oil gas well | |
| CN109404393A (en) | Stile's connector and attaching method thereof in transmission locking | |
| CN220302113U (en) | Bonding structure of perforation bullet silk |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |