CN210598935U - Sealing mechanism for oil field perforating gun - Google Patents
Sealing mechanism for oil field perforating gun Download PDFInfo
- Publication number
- CN210598935U CN210598935U CN201921659022.3U CN201921659022U CN210598935U CN 210598935 U CN210598935 U CN 210598935U CN 201921659022 U CN201921659022 U CN 201921659022U CN 210598935 U CN210598935 U CN 210598935U
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- bullet
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- perforating
- hole
- sealing mechanism
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- 238000007789 sealing Methods 0.000 title claims abstract description 35
- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 8
- 239000010439 graphite Substances 0.000 claims abstract description 8
- 238000012856 packing Methods 0.000 claims abstract description 8
- 239000003999 initiator Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 9
- 230000006978 adaptation Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 4
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
The utility model relates to an oil field perforation technical field just discloses a sealing mechanism for oil field perforation rifle, the large-scale motor gun comprises a gun body, the right-hand member threaded connection of the rifle body has the rifle head, the left end threaded connection of the rifle body has the rifle tail, the inner chamber fixed mounting of the rifle body has the bullet frame, the bullet hole has been seted up on the surface of bullet frame, the inner chamber fixed mounting in bullet hole has the perforating bullet, the inner chamber of the rifle body is provided with the detonating cord. This a sealing mechanism for oil field perforating gun through the inside bullet hole of seting up with perforating bullet looks adaptation of bullet frame for bullet hole and perforating bullet install fast, simultaneously through the sealing washer of the setting between bullet hole and the perforating bullet, seal the gap between bullet hole and the perforating bullet, and through the setting of flexible graphite packing layer, make the device warp back self return, improved the device's sealed effect and bearing capacity.
Description
Technical Field
The utility model relates to an oil field perforation technical field specifically is a sealing mechanism for oil field perforation rifle.
Background
The perforating gun is a tool used for well completion or well cementation on an oil field, is an assembly of an equipment for perforating an oil-gas well and a matching set thereof, and is widely applied to the prior art.
In the existing device, a detonating cord is generally ignited by an initiator, so that a perforation is ejected to open a stratum, but in the use process of the existing device, the installation between a perforating bullet and a perforating gun is not tight enough, so that the effect of the perforating bullet is influenced, and meanwhile, all parts of the perforating gun are only connected through threads, so that the sealing effect is poor, and the perforating effect is poor. We therefore propose a sealing mechanism for an oilfield perforating gun.
SUMMERY OF THE UTILITY MODEL
The utility model provides a be not enough to prior art, the utility model provides a sealing mechanism for oil field perforating gun possesses perforating bullet and perforating gun and links closely, and the leakproofness improves and perforation chamber and each part seal effectual advantage, has solved that the installation is inseparable inadequately between perforating bullet and the perforating gun, and the bearing capacity is poor and the problem that the effect is poor is sealed between perforating gun and each part.
The utility model provides a following technical scheme: the utility model provides a sealing mechanism for oil field perforating gun, includes the rifle body, the right-hand member threaded connection of the rifle body has the rifle head, the left end threaded connection of the rifle body has the rifle tail, the inner chamber fixed mounting of the rifle body has the bullet frame, the bullet hole has been seted up on the surface of bullet frame, the inner chamber fixed mounting in bullet hole has the perforating bullet, the inner chamber of the rifle body is provided with detonating cord.
Preferably, two ends of the bullet hole are respectively communicated with the outer parts of two sides of the bullet frame, an inner cavity of the bullet hole is matched with the outer part of the perforating bullet, and the inner diameter of one end of the bullet hole is larger than that of the other end of the bullet hole.
Preferably, the bullet hole is provided with a plurality ofly along the axial of bullet frame, the connecting hole has all been seted up to the front and the side of the rifle body, the quantity of connecting hole is the same with the quantity in bullet hole, and the position of connecting hole corresponds with the position in bullet hole.
Preferably, the inner cavity of the bullet hole is provided with a sealing ring, and a flexible graphite packing layer is arranged between the sealing ring and the inner wall of the bullet hole.
Preferably, both ends of the gun body are provided with internal threads, the outside of the gun head and the gun tail are respectively provided with external threads matched with the internal threads of the gun body, and the thread groove surfaces of the internal threads and the external threads are respectively provided with a sealing layer.
Preferably, an initiator is arranged outside the gun body, one end of the detonating cord penetrates through the wall surface of the gun tail to be connected with the initiator, and the other end of the detonating cord penetrates through the wall surface of the bullet rack to be sequentially connected with the ends of the perforating bullets.
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. this a sealing mechanism for oil field perforating gun through the inside bullet hole of seting up with perforating bullet looks adaptation of bullet frame for bullet hole and perforating bullet install fast, simultaneously through the sealing washer of the setting between bullet hole and the perforating bullet, seal the gap between bullet hole and the perforating bullet, and through the setting of flexible graphite packing layer, make the device warp back self return, improved the device's sealed effect and bearing capacity.
2. This a sealing mechanism for oil field perforation rifle through threaded connection between the rifle body and rifle head and the rifle tail, easily staff's installation is dismantled, simultaneously through the sealing layer that thread groove surface set up for it is inseparable to be connected between the rifle body and each part, has improved the device's leakproofness, improves the device's perforation effect.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a schematic view of the gun head of the present invention;
fig. 3 is the internal schematic view of the structure spring hole of the present invention.
In the figure: 1. a gun body; 2. a gun head; 3. a gun tail; 4. a cartridge frame; 5. a spring hole; 6. a perforating charge; 7. a detonating cord; 8. a seal ring; 9. a flexible graphite packing layer; 10. and (7) sealing the layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a sealing mechanism for an oil field perforating gun comprises a gun body 1, a gun head 2 is connected to the right end of the gun body 1 through a thread, a gun tail 3 is connected to the left end of the gun body 1 through a thread, a cartridge frame 4 is fixedly mounted in the inner cavity of the gun body 1, a cartridge hole 5 is formed in the surface of the cartridge frame 4, a perforating bullet 6 is fixedly mounted in the inner cavity of the cartridge hole 5, and a detonating cord 7 is arranged in the inner cavity of the gun body 1.
Wherein, the both ends of bullet hole 5 communicate the outside of 4 both sides of bullet frame respectively, the inner chamber of bullet hole 5 and the outside looks adaptation of perforating bullet 6, and the internal diameter of 5 one ends in bullet hole is greater than the internal diameter of the other end, and bullet hole 5 and the 6 looks adaptations of perforating bullet, convenient to use person installs perforating bullet 6, guarantees that the device can install fast and use.
Wherein, bullet hole 5 is provided with a plurality ofly along the axial of bullet frame 4, and the connecting hole has all been seted up to the front and the side of the rifle body 1, and the quantity of connecting hole is the same with the quantity of bullet hole 5, and the position of connecting hole corresponds with the position of bullet hole 5, the setting of a plurality of bullet holes and connecting hole for a plurality of perforating bullets 6 can be installed to the inside of rifle body 1, guarantee that the device can perforate deep underground, improved the device's practical function.
Wherein, the inner chamber of bullet hole 5 is provided with sealing washer 8, is provided with flexible graphite packing layer 9 between the inner wall of sealing washer 8 and bullet hole 5, seals the gap between bullet hole 5 and the perforating bullet 6 through the sealing washer 8 of the setting between bullet hole 5 and the perforating bullet 6 to through the setting of flexible graphite packing layer 9, make the device warp back self return, improved the device's sealed effect and bearing capacity.
Wherein, the both ends of the rifle body 1 all are provided with the internal thread, rifle head 2 and the outside of rifle tail 3 are provided with the external screw thread with the internal thread looks adaptation of the rifle body 1 respectively, and the thread groove surface of internal thread and external screw thread all is provided with sealing layer 10, through threaded connection between the rifle body 1 and rifle head 2 and the rifle tail 3, easily staff's installation is dismantled, simultaneously through the sealing layer 10 of thread groove surface setting, make and be connected closely between the rifle body 1 and each parts, the leakproofness of the device has been improved, the perforation effect of the device is improved.
Wherein, the outside of the gun body 1 is provided with an initiator, one end of a detonating cord 7 passes through the wall surface of the gun tail 3 and is connected with the initiator, the other end of the detonating cord 7 passes through the wall surface of the bullet frame 4 and is sequentially connected with the end of the perforating bullet 6, the detonating cord 7 is ignited by the initiator outside the gun body 1, and the perforating bullet 6 is sequentially ignited through the detonating cord 7 to realize perforating.
The working principle is as follows: perforating bullet 6 is installed through bullet hole 5 that 4 surfaces of bullet frame were seted up, utilize sealing washer 8 and flexible graphite packing layer 9 to seal the gap between bullet hole 5 and the perforating bullet 6 simultaneously, connect rifle head 2 and rifle tail 3 through the thread groove that 1 both ends of the rifle body were seted up, utilize the sealing layer 10 to make the rifle body 1 be connected closely with each part simultaneously, utilize the detonator of 1 outside of the rifle body to light detonating cord 7, light perforating bullet 6 in proper order through detonating cord 7 and realize the perforation, can.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A sealing mechanism for an oil field perforating gun, comprising a gun body (1), characterized in that: the perforating gun is characterized in that a gun head (2) is connected to the right end of the gun body (1) in a threaded manner, a gun tail (3) is connected to the left end of the gun body (1) in a threaded manner, a bullet rack (4) is fixedly mounted in the inner cavity of the gun body (1), bullet holes (5) are formed in the surface of the bullet rack (4), perforating bullets (6) are fixedly mounted in the inner cavity of the bullet holes (5), and a detonating cord (7) is arranged in the inner cavity of the gun body (1).
2. The sealing mechanism for an oilfield perforating gun of claim 1, wherein: the two ends of the charge hole (5) are respectively communicated with the outer parts of the two sides of the charge frame (4), the inner cavity of the charge hole (5) is matched with the outer part of the perforating charge (6), and the inner diameter of one end of the charge hole (5) is larger than that of the other end of the charge hole.
3. The sealing mechanism for an oilfield perforating gun of claim 1, wherein: bullet hole (5) are provided with a plurality ofly along the axial of bullet frame (4), the connecting hole has all been seted up to the front and the side of the rifle body (1), the quantity of connecting hole is the same with the quantity of bullet hole (5), and the position of connecting hole corresponds with the position of bullet hole (5).
4. The sealing mechanism for an oilfield perforating gun of claim 1, wherein: the inner cavity of the bullet hole (5) is provided with a sealing ring (8), and a flexible graphite packing layer (9) is arranged between the sealing ring (8) and the inner wall of the bullet hole (5).
5. The sealing mechanism for an oilfield perforating gun of claim 1, wherein: the improved multifunctional gun is characterized in that internal threads are arranged at two ends of the gun body (1), external threads matched with the internal threads of the gun body (1) are arranged outside the gun head (2) and the gun tail (3) respectively, and sealing layers (10) are arranged on the surfaces of thread grooves of the internal threads and the external threads.
6. The sealing mechanism for an oilfield perforating gun of claim 1, wherein: an initiator is arranged outside the gun body (1), one end of a detonating cord (7) penetrates through the wall surface of the gun tail (3) to be connected with the initiator, and the other end of the detonating cord (7) penetrates through the wall surface of the bullet rack (4) to be sequentially connected with the ends of the perforating bullets (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921659022.3U CN210598935U (en) | 2019-09-30 | 2019-09-30 | Sealing mechanism for oil field perforating gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921659022.3U CN210598935U (en) | 2019-09-30 | 2019-09-30 | Sealing mechanism for oil field perforating gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210598935U true CN210598935U (en) | 2020-05-22 |
Family
ID=70695267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921659022.3U Active CN210598935U (en) | 2019-09-30 | 2019-09-30 | Sealing mechanism for oil field perforating gun |
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| Country | Link |
|---|---|
| CN (1) | CN210598935U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117868756A (en) * | 2024-03-11 | 2024-04-12 | 西安瑞通能源科技有限公司 | Perforator |
-
2019
- 2019-09-30 CN CN201921659022.3U patent/CN210598935U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117868756A (en) * | 2024-03-11 | 2024-04-12 | 西安瑞通能源科技有限公司 | Perforator |
| CN117868756B (en) * | 2024-03-11 | 2024-05-14 | 西安瑞通能源科技有限公司 | Perforator |
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