CN202249880U - Pipe shearing device for oil field - Google Patents
Pipe shearing device for oil field Download PDFInfo
- Publication number
- CN202249880U CN202249880U CN2011203389780U CN201120338978U CN202249880U CN 202249880 U CN202249880 U CN 202249880U CN 2011203389780 U CN2011203389780 U CN 2011203389780U CN 201120338978 U CN201120338978 U CN 201120338978U CN 202249880 U CN202249880 U CN 202249880U
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- CN
- China
- Prior art keywords
- shearing
- housing
- casing
- pipe
- flashboard
- 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 relates to oil exploitation machinery, in particular to a pipe shearing device for an oil field, which comprises a casing. Flange plates are arranged at the upper end and the lower end of the casing, and an inner cavity of the casing is communicated with the flange plates. The pipe shearing device is characterized in that a pipe shearing assembly is arranged on the side wall of the casing and comprises a flashboard slide way arranged on the side wall of the casing, a shearing slide board, a hydraulic oil cylinder and a side door installed at the outer end of the flashboard slide way, wherein the shearing slide board and the hydraulic oil cylinder are installed in an inner cavity of the flashboard slide way. The flashboard slide way is perpendicular to the casing axis, the inner cavity of the flashboard slide way is communicated with the inner cavity of the casing, the inner end of the shearing slide board is provided with a shearing edge, and the outer end of the shearing slide board is connected with a piston rod of the hydraulic oil cylinder which is fixedly connected onto the inner side of the side door. The device can be directly installed on a wellhead and connected with other well control devices to form a complete set of well control system. After the device shears off an oil pipe, the other well control devices perform well sealing to achieve well control work. The pipe shearing device for the oil field is simple in operation and good in well sealing effect.
Description
Technical field
The utility model relates to a kind of oil exploitation machinery, is that a kind of oil field is with cutting pipe unit specifically.
Background technology
The oil field is in workover treatment, owing to blowout takes place for the unexpected variation of borehole pressure.In well, have under the situation of oil pipe, the spray of sealing well head control well is difficulty very, and past method commonly used is with plug valve sealing oil pipe inner chamber, reaches the effect of sealing well head with the annular space of preventer sealing oil pipe and sleeve pipe.Complicated operation, long, shut-in well weak effect of time.
Summary of the invention
The purpose of the utility model provides a kind of simple to operate, effective oil field of shut-in well with cutting pipe unit.
For achieving the above object, the utility model adopts following technical scheme:
The described oil field of the utility model comprises housing with cutting pipe unit, and the two ends up and down of housing are provided with flange; The inner chamber of housing is communicated with flange; It is characterized in that: the sidewall of housing is provided with cuts pipe assembly, the said side door that pipe assembly comprises the flashboard slideway that is arranged on housing sidewall, the shearing slide plate that is installed in flashboard slideway inner chamber and hydraulic jack, is installed in flashboard slideway outer end, the axis normal of said flashboard slideway and housing of cutting; The inner chamber of flashboard slideway is communicated with the inner chamber of housing; The inner of shearing slide plate is equipped with shearing edge, and the outer end of shearing slide plate is connected with the piston rod of hydraulic jack, and said hydraulic jack is fixedly connected on the inboard of side door.
The said pipe assembly of cutting has two covers, is symmetricly set on the both sides of housing.
The blade of said shearing edge is an isosceles triangle.
After adopting technique scheme, this device both can be directly installed on the well head, can link to each other with other well control devices again; Form a whole set of well control system; This device accomplish cut off oil pipe after, other shut-in well devices are accomplished shut-in well and realized well control work, and are simple to operate, shut-in well is effective.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is the structural representation of shearing edge.
The specific embodiment
As shown in the figure, the described oil field of the utility model comprises housing 1 with cutting pipe unit, and the two ends up and down of housing 1 are provided with flange 13,14, is used to connect wellhead flange or other shut-in well devices.The inner chamber of housing 1 is communicated with flange 13,14, and the sidewall of housing 1 is provided with cuts pipe assembly, and the said pipe assembly of cutting has two covers, is symmetricly set on the both sides of housing 1.Saidly cut the side door 6 that pipe assembly comprises the flashboard slideway 11 that is arranged on housing 1 sidewall, the shearing slide plate 2 that is installed in flashboard slideway 11 inner chambers and hydraulic jack 4, is installed in flashboard slideway 11 outer ends; The axis normal of said flashboard slideway 11 and housing 1; The inner chamber of flashboard slideway 11 is communicated with the inner chamber of housing 1; The inner of shearing slide plate 2 is equipped with shearing edge 3, and the outer end of shearing slide plate 2 is connected with the piston rod of hydraulic jack 4, and said hydraulic jack 4 is fixedly connected on the inboard of side door 6.
As shown in Figure 2, the blade of said shearing edge 3 is an isosceles triangle.
Certainly, in order to keep sealing, sealing ring 10,11 should be set in the edge of each moving component.
Be provided with the oil transportation road in the housing 1, be communicated with the hydraulic oil pipeline of hydraulic jack 4, the interface 8 in oil transportation road is arranged on the sidewall of housing 1.
This device is installed on oil field shaft mouth flange or other well control device with the well head bolt, the oil circuit of hydraulic control device is connected on the interface 8 of this device.In the time of need cutting off oil pipe, control oil-feed direction makes piston in the symmetrical hydraulic jack 4 simultaneously to central motion, and the shearing slide plate 2, the shearing edge 3 that promote symmetry after intersecting are cut off oil pipe.Change the oil-feed direction, two shear slide plate 2 under the effect of hydraulic jack 4,, are accomplished and shear oil pipe until getting back to original position by the motion of middle mind-set both sides.
Claims (3)
1. the oil field is with cutting pipe unit; Comprise housing (1); The two ends up and down of housing (1) are provided with flange (13,14); The inner chamber of housing (1) is communicated with flange (13,14); It is characterized in that: the sidewall of housing (1) is provided with cuts pipe assembly, the said side door (6) that pipe assembly comprises the flashboard slideway (11) that is arranged on housing (1) sidewall, the shearing slide plate (2) that is installed in flashboard slideway (11) inner chamber and hydraulic jack (4), is installed in flashboard slideway (11) outer end, the axis normal of said flashboard slideway (11) and housing (1) of cutting; The inner chamber of flashboard slideway (11) is communicated with the inner chamber of housing (1); The inner of shearing slide plate (2) is equipped with shearing edge (3), and the outer end of shearing slide plate (2) is connected with the piston rod of hydraulic jack (4), and said hydraulic jack (4) is fixedly connected on the inboard of side door (6).
2. oil field according to claim 1 is characterized in that with cutting pipe unit: the said pipe assembly of cutting has two covers, is symmetricly set on the both sides of housing (1).
3. oil field according to claim 1 and 2 is characterized in that with cutting pipe unit: the blade of said shearing edge (3) is an isosceles triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203389780U CN202249880U (en) | 2011-09-10 | 2011-09-10 | Pipe shearing device for oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203389780U CN202249880U (en) | 2011-09-10 | 2011-09-10 | Pipe shearing device for oil field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202249880U true CN202249880U (en) | 2012-05-30 |
Family
ID=46111139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203389780U Expired - Fee Related CN202249880U (en) | 2011-09-10 | 2011-09-10 | Pipe shearing device for oil field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202249880U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510902A (en) * | 2012-06-25 | 2014-01-15 | 中国石油化工股份有限公司 | Oil pipe cutting device |
| US9739110B2 (en) | 2013-05-24 | 2017-08-22 | Eni S.P.A. | Emergency valve assembly for extraction wells, well equipped with said valve and process for managing an extraction well with said valve under emergency conditions |
| CN112983331A (en) * | 2021-03-24 | 2021-06-18 | 大庆市天德忠石油科技有限公司 | Hydraulic double-gate plate well plugging device |
-
2011
- 2011-09-10 CN CN2011203389780U patent/CN202249880U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510902A (en) * | 2012-06-25 | 2014-01-15 | 中国石油化工股份有限公司 | Oil pipe cutting device |
| US9739110B2 (en) | 2013-05-24 | 2017-08-22 | Eni S.P.A. | Emergency valve assembly for extraction wells, well equipped with said valve and process for managing an extraction well with said valve under emergency conditions |
| CN112983331A (en) * | 2021-03-24 | 2021-06-18 | 大庆市天德忠石油科技有限公司 | Hydraulic double-gate plate well plugging device |
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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: 20120530 Termination date: 20120910 |