CN205977160U - Flashboard assembly convenient to detach's coiled tubing preventer - Google Patents
Flashboard assembly convenient to detach's coiled tubing preventer Download PDFInfo
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- CN205977160U CN205977160U CN201620879927.1U CN201620879927U CN205977160U CN 205977160 U CN205977160 U CN 205977160U CN 201620879927 U CN201620879927 U CN 201620879927U CN 205977160 U CN205977160 U CN 205977160U
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- flashboard
- flashboard assembly
- piston bar
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Abstract
The utility model discloses a flashboard assembly convenient to detach's coiled tubing preventer, including casing, flashboard assembly and liquid accuse assembly, the flashboard assembly sets up to be connected in the casing and with liquid accuse assembly, liquid accuse assembly includes flange and piston rod, flange and casing pass through flange bolt fixed connection, the one end and the casing of piston rod are connected, and the other end passes through sealing sleeve for flange sliding connection to realize the separation or the combination of liquid accuse assembly and casing under liquid accuse condition, the piston rod includes two, and one of them sets up at flange left side top, and another sets up in flange right side bottom, and the two sets up and form the withdrawal space that is used for dismantling the flashboard assembly with flange diagonal symmetry. The utility model discloses the withdrawal space can be increased to improve the maintenance work efficiency of a flashboard assembly convenient to detach's coiled tubing preventer flashboard assembly, reduce work step and work load, and can whole height of effectual reduction and weight.
Description
Technical field
This utility model is related to a kind of oil drilling corollary equipment and in particular to a kind of flashboard assembly is easy-to-dismount continuous
Oil pipe blowout device.
Background technology
At present, coiled tubing preventer is the key component of well logging apparatus, is mainly used in well logging, well workover, formation testing etc.
During control well head pressure, effectively prevent gas blowout accident occur, realize safe construction.
Coiled tubing preventer is to control borehole pressure using the closure of flashboard assembly.For can effectively control in well
Pressure, coiled tubing preventer has been divided into four sets of flashboard assemblies under upper, is followed successively by blind rams assembly, shear ram total
One-tenth, slip flashboard assembly, half envelope flashboard assembly.Selected different flashboard assemblies to be controlled according to different hole conditions in well.
Because of situation in complicated well, under the comprehensive function of borehole pressure, corrosive conditions and various debris, flashboard assembly especially lock
Plate glue core can be subject to damaging in varying degrees after a period of operation, and this requires periodically flashboard assembly to be carried out more
Change or overhaul.
Due to the restriction of field operation situation, the structure of current coiled tubing preventer is mostly compact, since control
The height of coiled tubing preventer and weight.Thus bring a problem, needing to coiled tubing ram block assembly
When being changed or overhauling, the flashboard assembly of the only the superiors has keeped in repair flashboard since can individually opening its hydraulic control assembly.Other
The maintenance work of flashboard assembly, not only needs to open its corresponding hydraulic control assembly in addition it is also necessary to open its adjacent hydraulic control assembly, very
To being whole hydraulic control assemblies.This results in flashboard assembly maintenance activity task and increases, and reduces construction operation work on the spot effect
Rate simultaneously increased workload.
Content of the invention
The purpose of this utility model is aiming at the defect of prior art presence, provides a kind of rational in infrastructure, can increase and tear open
Unloading space, thus improving the service work efficiency of coiled tubing ram block assembly, reducing job step and workload, and energy
Effectively reduce the coiled tubing preventer of whole height and weight.
Its technical scheme is：A kind of easy-to-dismount coiled tubing preventer of flashboard assembly, including housing, flashboard assembly and
Hydraulic control assembly, described flashboard assembly is arranged in housing and is connected with hydraulic control assembly, and described hydraulic control assembly includes flange and piston
Bar, described flange is fixedly connected by flange bolt with housing, and one end of described piston rod is connected with housing, and the other end passes through close
Big envelope cylinder is slidably connected with respect to flange, and realizes hydraulic control assembly under the conditions of hydraulic control and separate with housing or combination, described
Piston rod includes two, and one of them is arranged on flange left side top, and another is arranged on flange bottom right side, and the two is with method
Blue diagonal is symmetrical arranged and forms the withdrawal space for dismantling flashboard assembly.
Described flange is square structure.
The ram piston being provided with the ram piston bar being sequentially connected with flashboard assembly in described flange and being located at piston intracavity.
Described piston rod is included for by flange and the detached First piston bar of housing be used for combining flange and housing
Second piston bar；
The middle part of described First piston bar is provided with first passage, and described flange is provided with first connecting with plunger shaft side
Oil circuit, described first passage is connected with the first oil circuit；
The middle part of described second piston bar is provided with second channel, and described flange is provided with connecting with plunger shaft opposite side
Two oil circuits, described second channel is connected by the annular oil cavity between seal sleeve and second piston bar with the second oil circuit；
The free end of described First piston bar and second piston bar is all fixed with and slides with respect to seal sleeve inner surface
Valve piston.
Described flange bolt is four, and two of which is distributed in the top of the First piston bar of bottom, two other distribution
Above the second piston bar on top.
Described First piston bar and second piston bar are distributed with the upper and lower skew symmetry of flashboard center line plane of flashboard assembly.
Described flashboard assembly includes four sets, is followed successively by blind rams assembly, shear ram assembly, slip flashboard from top to bottom
Assembly, half envelope flashboard assembly.
This utility model compared with prior art, has advantages below：By arranging First piston bar and second piston
The relative position of bar, it is not necessary to open its adjacent flashboard assembly to provide the withdrawal space, can improve a kind of flashboard assembly and be easy to tear open
The service work efficiency of the coiled tubing ram block assembly unloading, reduce job step and workload, meanwhile, because it is saved
Space, the whole height of coiled tubing preventer has obtained certain reduction, alleviates the weight of whole equipment.
Brief description
It is presented herein below and in conjunction with the accompanying drawings and embodiments this utility model is further illustrated.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the sectional view at flange position；
Fig. 3 is the use state figure that this utility model dismantles flashboard assembly；
In figure：1. housing；2. flashboard assembly；3. flange；4. flange bolt；5. seal sleeve；6. the withdrawal space；7. piston
Chamber；8. ram piston bar；9. ram piston；10. First piston bar；11. second piston bars；12. first passages；13. first oil
Road；14. second channels；15. second oil circuits；16. annular oil cavities.
Specific embodiment
Reference picture 1- Fig. 3, a kind of easy-to-dismount coiled tubing preventer of flashboard assembly, including housing 1, flashboard assembly 2
With hydraulic control assembly.
Wherein, flashboard assembly 2 includes four sets, is followed successively by blind rams assembly, shear ram assembly, slips lock from top to bottom
Plate assembly, half envelope flashboard assembly.Flashboard assembly 2 is arranged in housing 1 and is connected with hydraulic control assembly, and hydraulic control assembly includes flange 3
And piston rod.Flange 3 is fixedly connected by flange bolt 4 with housing 1, and flange bolt 4 is four, and two of which is distributed in bottom
First piston bar 10 top, two other is distributed in the top of the second piston bar 11 on top.
One end of piston rod is connected with housing 1, and the other end is slidably connected with respect to flange 3 by seal sleeve 5, and
Realize hydraulic control assembly under the conditions of hydraulic control to separate or combination with housing 1.Wherein, piston rod includes two, First piston bar 10 He
With second piston bar 11, second piston bar 11 is arranged on flange 3 left side top, and First piston bar 10 is arranged on flange 3 right side bottom
Portion, and the two is symmetrical arranged with flange 3 diagonal and forms the withdrawal space 6 for dismantling flashboard assembly 2, as shown in Figure 3.Method
Blue 3 is square structure, and is by interconnective two flange plate structures of seal sleeve 5, arranges between two ring flanges
There is plunger shaft 7.
There is ram piston 9, ram piston 9 is connected with flashboard assembly 2 by ram piston bar 8 in plunger shaft 7.By flashboard
Piston 9 can drive flashboard assembly 2 to be turned on and off.
It is provided with first passage 12 at the middle part of First piston bar 10, flange 3 is provided with first connecting with plunger shaft 7 side
Oil circuit 13, first passage 12 is connected with the first oil circuit；Fluid is from the first passage 12 of First piston bar 10 through the first oil circuit 13
Enter the left side of the plunger shaft 7 of ram piston 9, promote ram piston 9 to move right, close flashboard assembly 2；Now fluid continues
Flow into, acted on by fluid control pressure, at this moment fluid promotes flange 3 with respect to First piston bar 10 to left movement, at this moment flange 3
Separate with housing 1, flange 3 drives flashboard assembly 2 to take out of in housing 1 by ram piston bar 8.
It is provided with second channel 14 at the middle part of second piston bar 11, flange 3 is provided with and connects with plunger shaft 7 opposite side
Second oil circuit 15, second channel 14 and the second oil circuit 15 pass through the annular oil cavity 16 between seal sleeve 5 and second piston bar 11
It is connected；Hydraulic control assembly is to oiling in the second channel 14 in second piston bar 11, the then annular oil of the sealed sleeve of fluid 5
Chamber 16 enters the right side of plunger shaft 7 by the second oil circuit 15, promotes ram piston 9 to left movement, opens flashboard assembly 2；Now
Fluid continues to flow into, and is acted on by fluid control pressure, and at this moment fluid promotes flange 3 to move right with respect to second piston bar 11,
At this moment flange 3 is combined with housing 1, and flashboard assembly 2 enters in housing 1.
All it is fixed with the free end of First piston bar 10 and second piston bar 11 and slide with respect to seal sleeve 5 inner surface
Dynamic valve piston.The annular oil cavity being formed with piston rod in seal sleeve 5 can be sealed by valve piston, thus realizing
The impetus to flange 3 for the fluid.
First piston bar 10 and second piston bar 11 are distributed with the upper and lower skew symmetry of flashboard center line plane of flashboard assembly 2.
So enable the maximization of the withdrawal space 6, be easy to take out flashboard assembly 2.
When flashboard assembly 2 needs maintenance, dismantle four flange bolts 4 first, fluid is from the first of First piston bar 10
Passage 12 enters the left side of the plunger shaft 7 of ram piston 9 through the first oil circuit 13, promotes ram piston 9 to move right, closes flashboard
Assembly 2；Now fluid continues to flow into, and is acted on by fluid control pressure, and at this moment fluid promotes flange 3 with respect to First piston bar 10
To left movement, at this moment flange 3 is separated with housing 1, and flange 3 drives flashboard assembly 2 to take out of in housing 1 by ram piston bar 8,
In the withdrawal space 6, flashboard assembly 2 can directly be removed.After maintenance finishes, need by flange 3 when housing 1 is combined, liquid
To oiling in the second channel 14 of second piston bar 11, then the annular oil cavity 16 of the sealed sleeve of fluid 5 passes through the to control assembly
Two oil circuit 15 enters the right side of plunger shaft 7, promotes ram piston 9 to left movement, opens flashboard assembly 2；Now fluid continues stream
Enter, acted on by fluid control pressure, at this moment fluid promotes flange 3 to move right with respect to second piston bar 11, at this moment flange 3 with
Housing 1 combines, and flashboard assembly 2 enters in housing 1, finally tightens four flange bolts 4.
By this utility model overhaul a certain flashboard assembly when it is not necessary to be carried by opening its adjacent flashboard assembly again
For space.Meanwhile, the space saved because of it, a kind of whole height of the easy-to-dismount coiled tubing preventer of flashboard assembly obtains
Arrive certain reduction, alleviate the weight of whole equipment.
This utility model is not limited to above-mentioned embodiment, in the ken that those skilled in the art possess,
Can also make a variety of changes on the premise of without departing from this utility model objective, the content after change still falls within this utility model
Protection domain.
Claims (7)
1. the easy-to-dismount coiled tubing preventer of a kind of flashboard assembly, including housing, flashboard assembly and hydraulic control assembly, described lock
Plate assembly is arranged in housing and is connected with hydraulic control assembly, and described hydraulic control assembly includes flange and piston rod, described flange and shell
Body is fixedly connected by flange bolt, and one end of described piston rod is connected with housing, and the other end passes through seal sleeve with respect to method
Orchid is slidably connected, and realize under the conditions of hydraulic control hydraulic control assembly separate with housing or combine it is characterised in that：Described piston
Bar includes two, and one of them is arranged on flange left side top, and another is arranged on flange bottom right side, and the two is with flange pair
Linea angulata is symmetrical arranged and forms the withdrawal space for dismantling flashboard assembly.
2. the easy-to-dismount coiled tubing preventer of flashboard assembly according to claim 1 it is characterised in that：Described flange
For square structure.
3. the easy-to-dismount coiled tubing preventer of flashboard assembly according to claim 1 it is characterised in that：Described flange
The ram piston being inside provided with the ram piston bar being sequentially connected with flashboard assembly and being located at piston intracavity.
4. the easy-to-dismount coiled tubing preventer of flashboard assembly according to claim 3 it is characterised in that：Described piston
Bar is included for by flange and the detached First piston bar of housing be used for the second piston bar combining flange and housing；
The middle part of described First piston bar is provided with first passage, and described flange is provided with the first oil connecting with plunger shaft side
Road, described first passage is connected with the first oil circuit；
The middle part of described second piston bar is provided with second channel, and described flange is provided with the second oil connecting with plunger shaft opposite side
Road, described second channel is connected by the annular oil cavity between seal sleeve and second piston bar with the second oil circuit；
The free end of described First piston bar and second piston bar is all fixed with little with respect to what seal sleeve inner surface slided
Piston.
5. the easy-to-dismount coiled tubing preventer of flashboard assembly according to claim 4 it is characterised in that：Described flange
Bolt is four, and two of which is distributed in the top of the First piston bar of bottom, and two other is distributed in the second piston on top
The top of bar.
6. the easy-to-dismount coiled tubing preventer of flashboard assembly according to claim 4 it is characterised in that：Described first
Piston rod and second piston bar are distributed with the upper and lower skew symmetry of flashboard center line plane of flashboard assembly.
7. the easy-to-dismount coiled tubing preventer of flashboard assembly according to claim 1 it is characterised in that：Described flashboard
Assembly includes four sets, is followed successively by blind rams assembly, shear ram assembly, slip flashboard assembly, half envelope flashboard from top to bottom total
Become.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620879927.1U CN205977160U (en) | 2016-08-15 | 2016-08-15 | Flashboard assembly convenient to detach's coiled tubing preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620879927.1U CN205977160U (en) | 2016-08-15 | 2016-08-15 | Flashboard assembly convenient to detach's coiled tubing preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205977160U true CN205977160U (en) | 2017-02-22 |
Family
ID=59977499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620879927.1U Active CN205977160U (en) | 2016-08-15 | 2016-08-15 | Flashboard assembly convenient to detach's coiled tubing preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205977160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882110A (en) * | 2019-04-30 | 2019-06-14 | 西安宇星石油机械新技术开发有限公司 | Coaxial-type multipurpose ram preventer |
-
2016
- 2016-08-15 CN CN201620879927.1U patent/CN205977160U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882110A (en) * | 2019-04-30 | 2019-06-14 | 西安宇星石油机械新技术开发有限公司 | Coaxial-type multipurpose ram preventer |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 257000 Shengli Industrial Park, Dongying City, Shandong Province, South of the Second South Road and East of the Sixth West Road Patentee after: Weifei Marine Equipment Manufacturing Co., Ltd. Address before: 257000 Shengli Industrial Park, Dongying City, Shandong Province, South of the Second South Road and East of the Sixth West Road Patentee before: Shandong Kerui Well Control System Manufacturing Co., Ltd. |