CN200940457Y - Punching hole releasing device - Google Patents
Punching hole releasing device Download PDFInfo
- Publication number
- CN200940457Y CN200940457Y CN 200620122767 CN200620122767U CN200940457Y CN 200940457 Y CN200940457 Y CN 200940457Y CN 200620122767 CN200620122767 CN 200620122767 CN 200620122767 U CN200620122767 U CN 200620122767U CN 200940457 Y CN200940457 Y CN 200940457Y
- Authority
- CN
- China
- Prior art keywords
- pressure transmission
- punching
- pressure
- releasing device
- releasing
- 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 - Lifetime
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Abstract
The utility model relates to a punch releasing device which belongs to the special tool used in the automatic dropping gun operation of the oil well well completion operation in petroleum industry, the device comprises a releasing device, a connecting joint and a pressure transmission device which are connected one by one from upper to lower, the connecting joint is provided with a pressure transmission channel connectivity releasing device and a pressure transmission device therein, the releasing device comprises a pressure bearing shell and a core shaft in the shell, a limit sleeve is provided in the ring cavity of the pressure bearing shell and the core shaft, the shear pin is provided in the core shaft, the claw is provided in the waist of the limit sleeve, the pressure transmission device comprises a pressure transmission shell provided with a pressure transmission hole outside and a pressure bearing punching gun loading the punching bullet internal, the bottom of the punching gun opens a explosion transmission channel connected with the time delay detonating device of the lower part perforation gun strings, the device is used to realize the automatic dropping gun after perforating, and convenient in the producing oil and gas well without lifting up the pipe column, the device is able to get the most circulation area and increase the oil and gas productivity.
Description
Technical field
The utility model relates to a kind of punching releasing device, belongs to the special tool that uses when abandoning the rifle operation automatically in the oil well completion operation of petroleum industry.
Background technology
Abandon the rifle operation and be the perforating gun that utilizes the machinery that is contained in perforating gun igniter head top or pressure relief device will shoot away the hole and be discharged into a kind of operation in shaft bottom, at present, the common practice is to discharge perforating gun with land cable vibration or pressurization, but such operation is difficult to satisfied not lift pipe string and directly carries out the needs that the oil gas well is produced.
Summary of the invention
The purpose of this utility model is to provide a kind of punching releasing device, realizes abandoning rifle automatically behind the perforation, and convenient not lift pipe string and the oil gas well produced can obtain maximum circulation area increases the oil gas production capacity.
The utility model adopts following technical scheme, it is a kind of punching releasing device, from top to bottom be formed by connecting by releasing device, connector and pressure transmission device successively, tool is characterised in that pressure transmission channel connection releasing device and pressure transmission device in the connector, releasing device, connector and pressure transmission device are tightly connected.
Releasing device is to be made of the mandrel in pressure-bearing shell and the pressure-bearing shell, is provided with stop collar in the ring cavity of pressure-bearing shell and mandrel, and shear pin is arranged on the mandrel, and claw is arranged on the stop collar waist.
The pressure transmission device is to be made of the withstand voltage punching rifle that is used for loading the punching bullet that the outside has a sealing of the pressure transmission housing of pressure transmission hole and pressure transmission enclosure interior.Punching rifle bottom has the propagation of explosion passage, links to each other with the delayed exploding device of bottom perforating gun string.
During application, the punching releasing device is connected the top of perforating gun string delayed exploding device, and after perforating gun was ignited, the punching releasing device received the detonation energy of time-delay priming device output by the propagation of explosion passage, ignition is contained in the punching bullet in the pressure transmission device, bores a hole on the punching rifle; Well killing fluid enters pressure relief device, promotes stop collar and cuts off shear pin, and stop collar moves up, and discharges claw, thereby reaches the purpose that discharges perforating gun string.
Description of drawings
Fig. 1 is the structural representation of punching releasing device.
Among Fig. 1, propagation of explosion passage 1, sealing ring 2, punching rifle 3, punching bullet 4, pressure transmission hole 5, pressure transmission passage 6, claw 7, mandrel 8, stop collar 9, shear pin 10, pressure transmission housing 11, pressure-bearing shell 12, connector 13.
The specific embodiment
Below in conjunction with example and accompanying drawing the utility model is described in detail explanation, the punching releasing device, from top to bottom be formed by connecting by releasing device, connector and pressure transmission device successively, it is characterized in that having in the connector pressure transmission passage 6 to be communicated with releasing device and pressure transmission device; Sealing ring 2 is tightly connected pressure transmission housing 11, connector 13 and pressure-bearing shell 12, and pressure transmission passage 6 is arranged in the pressure transmission joint 13; Mandrel 8, claw 7, stop collar 9, shear pin 10 are housed in the pressure-bearing shell 12; Pressure transmission housing 11 has the inside and outside pressure transmission hole 5 that connects, and withstand voltage punching rifle 3 is installed in the housing 11, and punching bullet 4 is arranged in the punching rifle 3, and punching rifle bottom has propagation of explosion passage 1.
During perforating job punching releasing device of the present utility model is connected on perforating gun igniter head, after perforating gun is ignited, ignite punching bullet 4 through the time-delay priming device by propagation of explosion passage 1, the rifle body 3 of punching rifle penetrated wear, annular pressure enters in the punching rifle 3 by the eyelet of pressure transmission hole 5 and perforation in the well, pass through pressure transmission passage 6 again, pressure acts on mandrel 8 and the stop collar 9, when pressure reaches the value for shear of shear pin 10, pin 10 is cut off, stop collar 9 moves up and discharges claw 7, and claw 7 and connector 13 pressure transmission housings 11 are discharged into the shaft bottom under the action of gravity of perforating gun, realizes abandoning the purpose that rifle is gone into operation automatically behind the perforation.
Claims (4)
1, a kind of punching releasing device, from top to bottom be formed by connecting by releasing device, connector (13) and pressure transmission device successively, it is characterized in that having in the connector pressure transmission passage (6) to be communicated with releasing device and pressure transmission device, releasing device, connector and pressure transmission device are tightly connected.
2, punching releasing device as claimed in claim 1, it is characterized in that described releasing device is to be made of the mandrel (8) in pressure-bearing shell (12) and the pressure-bearing shell, in the ring cavity of pressure-bearing shell and mandrel, be provided with stop collar (9), shear pin (10) is arranged on the mandrel (8), and claw (7) is arranged on the stop collar waist.
3,, it is characterized in that described pressure transmission device is withstand voltage punching rifle (3) formation that is used for loading punching bullet (4) by the sealing of pressure transmission housing (11) that has pressure transmission hole (5) and pressure transmission enclosure interior as claim 1 described punching releasing device.
4,, it is characterized in that described punching rifle (3) bottom has propagation of explosion passage (1) as claim 3 described punching releasing devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620122767 CN200940457Y (en) | 2006-07-26 | 2006-07-26 | Punching hole releasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620122767 CN200940457Y (en) | 2006-07-26 | 2006-07-26 | Punching hole releasing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200940457Y true CN200940457Y (en) | 2007-08-29 |
Family
ID=38746635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620122767 Expired - Lifetime CN200940457Y (en) | 2006-07-26 | 2006-07-26 | Punching hole releasing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200940457Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979600A (en) * | 2018-09-11 | 2018-12-11 | 西安荣达石油工程有限公司 | A kind of oil pipe punch and solve the problems, such as the method that flow nipple blocks |
-
2006
- 2006-07-26 CN CN 200620122767 patent/CN200940457Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979600A (en) * | 2018-09-11 | 2018-12-11 | 西安荣达石油工程有限公司 | A kind of oil pipe punch and solve the problems, such as the method that flow nipple blocks |
| CN108979600B (en) * | 2018-09-11 | 2023-11-14 | 西安荣达石油工程有限公司 | Oil pipe puncher and method for solving blocking problem of choke |
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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: CHINA PETROLEUM GROUP POHAI DRILLING ENGINEERING C Free format text: FORMER OWNER: DAGANG OILFIELD GROUP CO., LTD. Effective date: 20090508 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090508 Address after: No. 106 Huang Hai Road, Tianjin economic and Technological Development Zone, post code: 300457 Patentee after: CNPC Bohai Drilling Engineering Co., Ltd. Address before: Science and technology development department, Refco Group Ltd, Dagang Oilfield, Grand Port, Tianjin, China, postcode: 300280 Patentee before: Dagang Oil Field Group Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070829 |
|
| EXPY | Termination of patent right or utility model |