CN2709641Y - Linear cutter in oil gas well - Google Patents
Linear cutter in oil gas well Download PDFInfo
- Publication number
- CN2709641Y CN2709641Y CN 200420073026 CN200420073026U CN2709641Y CN 2709641 Y CN2709641 Y CN 2709641Y CN 200420073026 CN200420073026 CN 200420073026 CN 200420073026 U CN200420073026 U CN 200420073026U CN 2709641 Y CN2709641 Y CN 2709641Y
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- CN
- China
- Prior art keywords
- gun
- cartridge
- oil gas
- gas well
- well
- 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
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a linear cutter in oil gas well, chiefly solving the problems of hard lowering and low mending efficiency of well of existing cutters. The utility model is characterized as follows: the gun head (2) is connected with the gun tail (4) through the gun body (3); inside the gun body (3), the upper part of the gun tail (4) is successively provided with a positioning plate (5), a supporting plate (6) which is provided with steps and a cartridge (7) whose cross section is V-shaped; the gun head (2) and the gun tail (4) correspond to the opening of the cartridge (7) and are respectively fixed with a magnetic block (8); the inner of the cartridge (7) is provided with energy-gathering detonator and a primacord (1) which passes through the longitudinal hole of the gun head (2). The linear cutter in oil gas well has characteristics of small volume, smooth descent and high well mending efficiency.
Description
Technical field:
The utility model relates to the linear cutter in well workover field, oil field used workover tool, especially the oil gas well.
Background technology:
Along with the long-term exploitation in oil field, the damage of down-hole casing and oil pipe influences the ordinary production of oil well, need repair the sleeve pipe and the oil pipe of down-hole.And sleeve pipe in the present oil field and oil pipe reparation employing is annular cutter, vertical direction at sleeve pipe is cut, because its external diameter is slightly less than the internal diameter of sleeve pipe or oil pipe, when transfer the down-hole because the well liquid effect in the well, transfer difficulty, so just increased labor strength, make that the well workover time is long, cost is high, well workover efficient is low, influences the ordinary production of oil well.
The utility model content:
Transfer difficulty, the inefficient deficiency of well workover in order to overcome existing cutter, the utility model provides the linear cutter in a kind of oil gas well, and the linear cutter in this oil gas well has little, the characteristics unobstructed and that well workover efficient is high of going into the well of volume.
The technical solution of the utility model is: the linear cutter in this oil gas well comprises detonating fuse and rifle head, the rifle head links to each other with gun breech by the body of a gun, in the body of a gun gun breech upper end successively deck the supporting disk and the cross section of positioning disk, band stage are arranged is the cartridge of V font, intrinsic magnetic patch respectively on the rifle head of cartridge opening correspondence and the gun breech is equipped with flexible linear-shaped charge and passes the detonating fuse in the vertical hole of rifle head in the cartridge.
On the above-mentioned gun breech annular seal groove is arranged; Magnetic patch passes through screw.
The beneficial effect that the utlity model has is: the linear cutter in this oil gas well is owing to be connected with the body of a gun and gun breech successively in rifle head lower end, head is distinguished intrinsic magnetic patch with the same side of gun breech, in the body of a gun gun breech upper end successively deck the supporting disk and the cross section of positioning disk, band stage are arranged is the cartridge of V font, flexible linear-shaped charge is housed in the cartridge and passes the detonating fuse in the vertical hole of rifle head, overall volume is dwindled like this, make go into the well unobstructed, and shortened the well workover time, improved well workover efficient, reduced workover cost, simple in structure.
Description of drawings:
Accompanying drawing 1 is the utility model structure sectional view;
Accompanying drawing 2 is A-A sectional views among Fig. 1.
1-detonating fuse among the figure, 2-rifle head, the 3-body of a gun, 4-gun breech, 5-positioning disk, 6-supporting disk, 7-cartridge, 8-magnetic patch, 9-screw, 10-seal groove.
The specific embodiment:
Below in conjunction with accompanying drawing will the utility model is described in further detail:
By Fig. 1 in conjunction with shown in Figure 2, linear cutter in this oil gas well comprises detonating fuse 1 and rifle head 2, the rifle head is connected with the body of a gun 32 times, the body of a gun is connected with gun breech 43 times, annular seal groove 10 is arranged on the gun breech 4, rifle head 2 is fixed with magnetic patch 8 by screw 9 respectively with the same side of gun breech 4, the rifle head (2) of cartridge (7) opening correspondence is gone up by screw 9 with gun breech (4) magnetic patch 8 is separately fixed on rifle head 2 and the gun breech 4,9 fixations of screw, when this cutter is transferred to the box cupling place, by magnetic patch 8 this cutter is inhaled on sleeve pipe, magnetic patch 8 plays the role of positioning; Gun breech 4 upper end decks have positioning disk 5 in the body of a gun 3, positioning disk 5 upper blocking seats have the supporting disk 6 of band stage, it is the cartridge 7 of V font that supporting disk 6 upper blocking seats have the cross section, flexible linear-shaped charge is housed in the cartridge 7 and passes the detonating fuse 1 in rifle head 2 vertical holes, positioning disk 5 plays the role of positioning, to supporting disk 6 location, supporting disk 6 is used for supporting cartridge 7, and cartridge 7 is used for adorning flexible linear-shaped charge, when this cutter is transferred to the box cupling place, cut box cupling is linear along axis by the flexible linear-shaped charges in the cartridge 7, overall volume is dwindled like this, feasible go into the well unobstructed, and shortened the well workover time, improve well workover efficient, reduced workover cost, simple in structure.
Claims (3)
1, the linear cutter in a kind of oil gas well, comprise detonating fuse (1) and rifle head (2), it is characterized in that: rifle head (2) links to each other with gun breech (4) by the body of a gun (3), there are positioning disk (5), the supporting disk (6) of band stage and the cartridge (7) that the cross section is the V font in the interior gun breech of the body of a gun (3) (4) upper end deck successively, the rifle head (2) of cartridge (7) opening correspondence is gone up intrinsic magnetic patch (8) respectively with gun breech (4), in the cartridge (7) flexible linear-shaped charge is housed and passes the vertically detonating fuse (1) in hole of rifle head (2).
2, the linear cutter in the oil gas well according to claim 1 is characterized in that: annular seal groove (10) is arranged on the gun breech (4).
3, the linear cutter in the oil gas well according to claim 1 is characterized in that: magnetic patch (8) is fixing by screw (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420073026 CN2709641Y (en) | 2004-07-05 | 2004-07-05 | Linear cutter in oil gas well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420073026 CN2709641Y (en) | 2004-07-05 | 2004-07-05 | Linear cutter in oil gas well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2709641Y true CN2709641Y (en) | 2005-07-13 |
Family
ID=34852682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420073026 Expired - Fee Related CN2709641Y (en) | 2004-07-05 | 2004-07-05 | Linear cutter in oil gas well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2709641Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103189593A (en) * | 2010-10-29 | 2013-07-03 | 国际壳牌研究有限公司 | Well emergency separation tool for use in separating a tubular element |
| CN103764946A (en) * | 2011-09-02 | 2014-04-30 | 国际壳牌研究有限公司 | Well emergency separation tool for use in separating a tubular element |
| CN110439490A (en) * | 2019-07-31 | 2019-11-12 | 中国海洋石油集团有限公司 | A kind of multilayer sleeve forging milling tool |
-
2004
- 2004-07-05 CN CN 200420073026 patent/CN2709641Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103189593A (en) * | 2010-10-29 | 2013-07-03 | 国际壳牌研究有限公司 | Well emergency separation tool for use in separating a tubular element |
| CN103189593B (en) * | 2010-10-29 | 2016-03-23 | 国际壳牌研究有限公司 | For separating method and the urgent separate tools of well of tube element |
| US10119354B2 (en) | 2010-10-29 | 2018-11-06 | Shell Oil Company | Well emergency separation tool for use in separating a tubular element |
| CN103764946A (en) * | 2011-09-02 | 2014-04-30 | 国际壳牌研究有限公司 | Well emergency separation tool for use in separating a tubular element |
| CN103764946B (en) * | 2011-09-02 | 2017-04-19 | 国际壳牌研究有限公司 | Well emergency separation tool for use in separating a tubular element |
| CN110439490A (en) * | 2019-07-31 | 2019-11-12 | 中国海洋石油集团有限公司 | A kind of multilayer sleeve forging milling tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050713 Termination date: 20130705 |