CN2752433Y - Oil well perforation self-locking security priming device - Google Patents
Oil well perforation self-locking security priming device Download PDFInfo
- Publication number
- CN2752433Y CN2752433Y CN 200420053054 CN200420053054U CN2752433Y CN 2752433 Y CN2752433 Y CN 2752433Y CN 200420053054 CN200420053054 CN 200420053054 CN 200420053054 U CN200420053054 U CN 200420053054U CN 2752433 Y CN2752433 Y CN 2752433Y
- Authority
- CN
- China
- Prior art keywords
- piston
- metal shell
- power supply
- contact rod
- priming device
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a self-locked security priming device for oil well perforating, which is provided with a metal casing (1), wherein an electric detonator is arranged inside the metal casing (1). The utility model is characterized in that two loading wires are connected with each other through an elastic conducting sheet (10); connected with the metal casing (1), one loading wire is provided with a piston (2); the piston (2) is provided with a conducting rod (3); the conducting rod (3) is arranged on the piston (2) through an insulator (4), and a spring (5) is arranged inside the piston cavity; the top of the piston cavity is provided with a pressing ring (6) of the piston, and the pressing ring (6) of the piston is provided with a liquid inlet hole (7); when the piston (2) moves downwards to a lower stopping point, the lower end of the conducting rod (3) enables one loading wire of the electric detonator to be electrically communicated with a circuit of the metal casing (1) while enabling the other loading wire of the electric detonator to be electrically communicated with a circuit of the conducting rod (3). In normal situations, the loading wires of the electric detonator are connected with each other so as to be in a short circuit state without the possibility of explosion, so that the utility model is absolutely safe in the process of operation and transportation.
Description
One, technical field:
The utility model relates to a kind of priming device that is used for the oilfield perforation, particularly oil well perforation self locking safety priming device.
Two, background technology:
At present, in known technology, there is the cable conveying gun perforation to detonate and the oil tube conveying gun perforation two kinds of detonation modes that detonate, the electric cap of cable conveying gun perforation priming device has electromagnetic detonators and frequency-selecting detonator, the complex structure of electric cap, the cost height, need special-purpose control system to be used, and be subjected to the electromagnetic interference in space still to have unsafe hidden danger, the impact detonator that the oil tube conveying gun perforation priming device is used, the weak point of this structure is not have when detonating when successful, must salvage caber, otherwise when playing oil pipe, have the possibility of unintended detonation.
Three, summary of the invention:
The purpose of this utility model is to provide a kind of oil well perforation self locking safety priming device that is applicable to cable conveying gun perforation and oil tube conveying gun perforation, to overcome the deficiency of known technology.
The utility model is achieved in that a kind of oil well perforation self locking safety priming device, it has metal shell (1), metal shell has electric cap in (1), its special character is that two payment to a porter of electric cap interconnect by elastic conducting strip (10), one of them payment to a porter is connected with metal shell (1), has a piston (2), has contact rod (3) on the piston (2), contact rod (3) is arranged on the piston (2) by isolator (4), have spring (5) and be positioned at plunger shaft, the top of plunger shaft has compression piston ring (6), has inlet opening (7) on the compression piston ring (6), when piston (2) when coming downwards to lower dead center, contact rod (3) lower end makes payment to a porter of electric cap and metal shell (1) circuit connect another payment to a porter and the connection of contact rod circuit.
Oil well perforation self locking safety priming device of the present utility model can be that contact rod (3) is connected with cable plug (11), and cable plug (11) and the cable conveying gun perforation cable that leads to ground that detonates is connected.
Oil well perforation self locking safety priming device of the present utility model, can be that contact rod (3) carries an electrode of the power supply (12) that detonates to be connected with oil pipe, power supply (12) is arranged in the power supply metal shell (17), another electrode of power supply (12) is connected with sliding conduction arm (13), has the insulating layer (16) that matches with conduction tongue (15) on the slide block (14) on the sliding conduction arm (13), slide block (14) is fixed in the power supply metal shell (17) by shearing lock (9), power supply metal shell (17) is connected with metallic sheath (18) with metal shell (1), has fluid passage (19) between power supply metal shell (17) and metal-back (1).
The oil well perforation self locking safety priming device that the utility model provides, when entering the down-hole set depth, the pressure of down-hole liquid is pressed on lower dead center with piston, the lower end of contact rod is connected payment to a porter of electric cap and metal shell circuit, another payment to a porter is connected with leading stick circuit, and under normal conditions, the payment to a porter of detonator interconnects and is in short-circuit condition, the possibility of not detonating is perfectly safe reliably in use and transportation.
Four, description of drawings:
Fig. 1: a kind of structural representation of the utility model.
Fig. 2: the another kind of structural representation of the utility model.
Five, the specific embodiment:
The utility model is described in further detail in conjunction with the specific embodiment with reference to accompanying drawing.
The specific embodiment 1, what Fig. 1 provided is the oil well perforation self locking safety priming device that is used for the cable conveying gun perforation, it has metal shell (1), metal shell has electric cap in (1), two payment to a porter of electric cap interconnect by elastic conducting strip (10), one of them payment to a porter is connected with metal shell (1), has a piston (2), has contact rod (3) on the piston (2), contact rod (3) is arranged on the piston (2) by isolator (4), have spring (5) and be positioned at plunger shaft, the top of plunger shaft has compression piston ring (6), has inlet opening (7) on the compression piston ring (6), when piston (2) when coming downwards to lower dead center, contact rod (3) lower end is connected payment to a porter of electric cap and metal shell (1) circuit, the connection of another payment to a porter and contact rod (3) circuit.Contact rod (3) is connected with cable plug (11), and cable plug (11) and the cable conveying gun perforation cable that leads to ground that detonates is connected.The pressure of down-hole liquid is pressed on lower dead center with piston when priming device advances the down-hole set depth, and the contact rod lower end is connected payment to a porter of electric cap and metal shell (1) circuit, and the connection of another payment to a porter and contact rod (3) circuit can be ignited.Get nowhere if ignite, when perforating system was proposed well head, piston walked to point, and two payment to a porter of electric cap reconnect by elastic conducting strip (10), are in short-circuit condition, recovered safe condition.
The specific embodiment 2, what Fig. 2 provided is the oil well perforation self locking safety priming device that is used for oil tube conveying gun perforation, its basic structure is identical with the specific embodiment 1, its difference is that contact rod (3) carries an electrode of the power supply (12) that detonates to be connected with oil pipe, power supply (12) is arranged in the power supply metal shell (17), another electrode of power supply (12) is connected with sliding conduction arm (13), has the insulating layer (16) that matches with conduction tongue (15) on the sliding shoe (14) on the sliding conduction arm (13), sliding shoe (14) is fixed in the power supply metal shell (17) by shearing lock (9), power supply metal shell (17) is connected with metallic sheath (18) with metal shell (1), has feed pathway (19) between power supply metal shell (17) and metal shell (1).Impact the drift (8) on the slide block (14) during ignition, shear pin (9) disconnects, and in the slide block down process, conduction tongue (15) contacts with conductive arm (13) connects power circuit, and electric cap is ignited.Get nowhere if ignite, conduction tongue (15) is disconnected power circuit by the insulating layer (16) on the conductive arm (13) in lower dead center.Initiator no longer detonates, and is perfectly safe.
Claims (3)
1, a kind of oil well perforation self locking safety priming device, it has metal shell (1), its metal shell has electric cap in (1), two payment to a porter that it is characterized in that electric cap interconnect by elastic conducting strip (10), one of them payment to a porter is connected with metal shell (1), has a piston (2), has contact rod (3) on the piston (2), contact rod (3) is arranged on the piston (2) by isolator (4), have spring (5) and be positioned at plunger shaft, the top of plunger shaft has compression piston ring (6), has inlet opening (7) on the compression piston ring (6), when piston (2) when coming downwards to lower dead center, contact rod (3) lower end makes payment to a porter of electric cap and metal shell (1) circuit connect the connection of another payment to a porter and contact rod (3) circuit.
2, oil well perforation self locking safety priming device according to claim 1 is characterized in that contact rod (3) is connected with cable plug (11), and cable plug (11) and the cable conveying gun perforation cable that leads to ground that detonates is connected.
3, oil well perforation self locking safety priming device according to claim 1, an electrode that it is characterized in that the power supply (12) that the conveying of contact rod (3) and oil pipe is detonated is connected, power supply (12) is arranged in the power supply metal shell (17), another electrode of power supply (12) is connected with sliding conduction arm (13), has the insulating layer (16) that matches with conduction tongue (15) on the slide block (14) on the sliding conduction arm (13), slide block (14) is fixed in the power supply metal shell (17) by shearing lock (9), power supply metal shell (17) is connected with metallic sheath (18) with metal shell (1), has fluid passage (19) between power supply metal shell (17) and metal-back (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420053054 CN2752433Y (en) | 2004-08-12 | 2004-08-12 | Oil well perforation self-locking security priming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420053054 CN2752433Y (en) | 2004-08-12 | 2004-08-12 | Oil well perforation self-locking security priming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2752433Y true CN2752433Y (en) | 2006-01-18 |
Family
ID=35913842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420053054 Expired - Fee Related CN2752433Y (en) | 2004-08-12 | 2004-08-12 | Oil well perforation self-locking security priming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2752433Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302928B (en) * | 2008-07-08 | 2012-06-13 | 中国石化集团胜利石油管理局测井公司 | Oil tube conveying gun perforation electric energy safe detonation system |
| CN101529197B (en) * | 2006-10-26 | 2013-04-10 | 阿利安特技术系统公司 | Methods and apparatuses for electronic time delay and systems including same |
| CN105423829A (en) * | 2015-12-17 | 2016-03-23 | 安徽理工大学 | Safe electric detonator |
| CN109813192A (en) * | 2019-02-28 | 2019-05-28 | 王志信 | A kind of perforation keeps away safely quick-fried device |
-
2004
- 2004-08-12 CN CN 200420053054 patent/CN2752433Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101529197B (en) * | 2006-10-26 | 2013-04-10 | 阿利安特技术系统公司 | Methods and apparatuses for electronic time delay and systems including same |
| CN101302928B (en) * | 2008-07-08 | 2012-06-13 | 中国石化集团胜利石油管理局测井公司 | Oil tube conveying gun perforation electric energy safe detonation system |
| CN105423829A (en) * | 2015-12-17 | 2016-03-23 | 安徽理工大学 | Safe electric detonator |
| CN105423829B (en) * | 2015-12-17 | 2017-04-05 | 安徽理工大学 | A kind of safe electric detonator |
| CN109813192A (en) * | 2019-02-28 | 2019-05-28 | 王志信 | A kind of perforation keeps away safely quick-fried device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4266613A (en) | Arming device and method | |
| CN107429558B (en) | Pressure switch for selectively firing perforating gun | |
| US4457383A (en) | High temperature selective fire perforating gun and switch therefor | |
| CN104847316B (en) | The driving multi-stage perforator method of bridge plug gunpowder | |
| CN104481469A (en) | Multistage ignition perforating initiation system based on digital electronic detonator using single core cable | |
| CN207453945U (en) | Contact connects electric-type perforating gun and modular multistage perforation tubular column | |
| CN2661919Y (en) | Safety device for underground blasting | |
| CN2752433Y (en) | Oil well perforation self-locking security priming device | |
| CN205036356U (en) | Redundant ignition control device of multistage perforation | |
| CN105201435B (en) | Cable transfer sub-clustering perforating job explosion unfreezing is given up method | |
| CN210660049U (en) | Secondary crack-making perforating gun for volume fracturing of vertical well of tight reservoir | |
| CN203547689U (en) | Multi-stage cable-conveyed perforation controller | |
| CN201225138Y (en) | Oil conduit transportation perforation press control on-off machine | |
| CN104989336A (en) | Unlocking energy storage spring triggering device for oil-gas well perforation initiation | |
| CN208280948U (en) | A kind of oil/gas well cable safety initiating explosive device | |
| CN115234208B (en) | Underground ignition device for methane in-situ combustion and explosion fracturing and control method thereof | |
| CN204960903U (en) | Multistage bridging plug perforation of single core grafting allies oneself with makes self -align perforation device | |
| CN216055392U (en) | Bidirectional pressure-bearing wire passing device | |
| CN201256350Y (en) | Oil pipe conveying perforation linear electricity generator | |
| CN219119219U (en) | Cartridge holder tube, perforating gun and perforating tool string | |
| CN105178923A (en) | Multi-stage perforation redundancy ignition control device | |
| CN204371259U (en) | Pressure control multi-stage ignition switch performance testing arrangement | |
| CN2667155Y (en) | Oil pipe transfer perforation electric igniting device | |
| CN103498649A (en) | Initiation safety device | |
| CN110566167B (en) | Vertical well volume fracturing secondary joint-making perforating gun for tight reservoir |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: PENGLAI CITY MAOQI PETROLEUM MACHINE CO., LTD. Free format text: FORMER OWNER: PENGLAI CITY PETROLEUM MACHINERY PLANT Effective date: 20080125 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080125 Address after: Penglai City, Shandong Province town luanjiakou Village East, zip code: 265601 Patentee after: Penglai Maoqi Petroleum Machine Co., Ltd. Address before: Penglai Bei Gou Zhen Luan Jia Kou Cun, Shandong province zip code: 265601 Patentee before: Penglai City Petroleum Machinery Factory |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060118 Termination date: 20090914 |