CN208502721U - Coiled tubing complex function double ram type preventer - Google Patents
Coiled tubing complex function double ram type preventer Download PDFInfo
- Publication number
- CN208502721U CN208502721U CN201821046887.8U CN201821046887U CN208502721U CN 208502721 U CN208502721 U CN 208502721U CN 201821046887 U CN201821046887 U CN 201821046887U CN 208502721 U CN208502721 U CN 208502721U
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- assembly
- slips
- side door
- coiled tubing
- shear
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Abstract
The utility model relates to a kind of coiled tubing complex function double ram type preventers, it includes shell, upper flange, union flange, lower flange, shearing side door assembly, slips side door assembly, shear ram assembly and slip flashboard assembly；Shear side door assembly, slips side door assembly all includes side door, hydraulic drive mechanism and retaining mechanism；Hydraulic drive mechanism includes hydraulic cylinder, end socket, piston and piston rod；Shear ram assembly includes shear ram, shearing top seal assembly, shear blade and shears preceding seal assembly；Slip flashboard assembly includes seal assembly before slip flashboard, slips top seal assembly, slips ontology, slips tooth form tooth and slips.Only shearing, suspension and sealing just can be achieved at the same time with two groups of flashboards in the coiled tubing of the utility model complex function double ram type preventer, and structure is simple, without being equipped with hydraulic control system, low in cost, reliable performance；Slips ontology is easy to dismount, and suspended weights reach the tubing string of 40t and damage to column surface minimum.
Description
Technical field
The utility model relates to petroleum drilling and mining fields, more particularly to coiled tubing complex function double ram type preventer.
Background technique
Ram preventer is the important equipment during well control, usually to control borehole pressure, prevents blowout well kick etc.
The generation of safety accident.Ram preventer used at present usually requires four groups of flashboard composition ability can completelys and realizes shearing, hangs
Extension and sealing function, structure is complicated, and the bodily form is heavy, and manufacturing cost is high.For this problem, to the structure function of ram preventer
It is combined optimization, simplifies its structure, design answering for a kind of shearing that can be achieved at the same time ram preventer, suspension and sealing
It closes function double ram type preventer and is used for continuous oil pipe operation well.
Utility model content
In order to solve the above technical problems, the utility model provides coiled tubing complex function double ram type preventer, only
The function of shearing, suspension and sealing just can be achieved at the same time with two groups of flashboards, structure is simple, manual operation, without being equipped with hydraulic control
System processed, it is low in cost, performance is more reliable.
The technical scheme adopted by the utility model to solve the technical problem is as follows: coiled tubing is anti-with complex function double disc
Spray apparatus, it includes shell, upper flange, union flange, lower flange, shearing side door assembly, slips side door assembly, shear ram assembly
And slip flashboard assembly；The shearing side door assembly, slips side door assembly all include side door, hydraulic drive mechanism and locking machine
Structure；The side door is fixed by the first bolt group with shell；The hydraulic drive mechanism includes hydraulic cylinder, end socket, piston and work
Stopper rod；The shear ram assembly and slip flashboard assembly are all mounted in advance in the oblong cavity of shell；The shear ram is total
At including shear ram and shearing top seal assembly, the side of shear ram is provided with shear blade, the shearing of the two sides of shear blade
The preceding seal assembly of shearing is provided on flashboard；The slip flashboard assembly includes slip flashboard, slips top seal assembly, slips sheet
Body is provided with row's slips tooth form tooth on the inside of slips ontology；The lower part of slips ontology is provided with seal assembly before slips；It is described
The piston rod one end for shearing the hydraulic drive mechanism of side door assembly is cooperatively connected by the T-slot of T connector and shear ram assembly；
Piston rod one end of the hydraulic drive mechanism of the slips side door assembly is cooperated by the T-slot of T connector and slip flashboard assembly
Connection.
The first bolt group is made of cover type nut and studs, when disassembly, for hanging side door.
One end of the piston is formed it with hydraulic with hydraulic cylinder by the second bolt group from end socket；Piston it is another
End is connect with retaining mechanism.
The retaining mechanism includes handle, lock shaft and check lock lever；One end of the lock shaft and the axle center of handle fix,
The other end is connected with check lock lever.
The upper flange is fixedly connected with the casing by third bolt group.
The lower flange is fixedly connected with the casing by the 4th bolt group.
The utility model has the beneficial effects that the coiled tubing of the utility model only uses two with complex function double ram type preventer
The function of shearing, suspension and sealing just can be achieved at the same time in group flashboard, and structure is simple, manual operation, without being equipped with hydraulic control system
System, it is low in cost, performance is more reliable；In addition, slips ontology is easy to dismount, can suspended weights up to 40t tubing string and to tubing string
Surface damage is minimum.
Detailed description of the invention
Fig. 1 is the schematic diagram of the coiled tubing complex function double ram type preventer of embodiment；
Fig. 2 is the schematic diagram of the internal structure of the coiled tubing complex function double ram type preventer of embodiment；
Fig. 3 is the schematic diagram of the slip flashboard assembly of the coiled tubing complex function double ram type preventer of embodiment；
Fig. 4 is the schematic diagram of the shear ram assembly of the coiled tubing complex function double ram type preventer of embodiment；
Fig. 5 is the schematic diagram of the first bolt group of the coiled tubing complex function double ram type preventer of embodiment.
Specific embodiment
In order to deepen the understanding to the utility model, the utility model is done further below in conjunction with drawings and examples
Detailed description, the embodiment are only used for explaining the utility model, do not constitute and limit to the protection scope of the utility model.
Embodiment
As shown in Figures 1 to 5, a kind of coiled tubing complex function double ram type preventer is present embodiments provided, it is wrapped
Include shell 1, upper flange 3, union flange 4, lower flange 5, shearing side door assembly 10, slips side door assembly 11, shear ram assembly
15 and slip flashboard assembly 17；The shearing side door assembly 10, slips side door assembly 11 all include side door 2, hydraulic drive mechanism
And retaining mechanism；The side door is fixed by the first bolt group 19 with shell；The hydraulic drive mechanism includes hydraulic cylinder 6, envelope
First 9, piston 29 and piston rod 30；The shear ram assembly 15 and slip flashboard assembly 17 are all mounted in the oblong of shell 1 in advance
In cavity；The shear ram assembly 15 includes shear ram 25 and shearing top seal assembly 28, and the side of shear ram 25 is set
It is equipped with shear blade 26, seal assembly 27 before shearing is provided on the shear ram 25 of the two sides of shear blade 26；The slip flashboard
Assembly 17 includes slip flashboard 22, slips top seal assembly 21, slips ontology 23, and the inside of slips ontology 23 is provided with row card
Watt tooth form tooth 24；The lower part of slips ontology 23 is provided with seal assembly 20 before slips；The hydraulic drive of the shearing side door assembly 10
30 one end of piston rod of motivation structure is cooperatively connected by the T-slot of T connector and shear ram assembly 15；The slips side door assembly
30 one end of piston rod of 11 hydraulic drive mechanism is cooperatively connected by the T-slot of T connector and slip flashboard assembly 17；Described
One bolt group 19 is made of cover type nut 18 and studs 31, when disassembly, for hanging side door 2；The one of the piston 29
End is formed it with hydraulic with hydraulic cylinder 6 by the second bolt group 12 from end socket 9；The other end and retaining mechanism of piston 29 connect
It connects；The retaining mechanism includes handle 8, lock shaft 7 and check lock lever 13；One end of the lock shaft 7 and the axle center of handle 8 are solid
The fixed, other end is connected with check lock lever 13；The upper flange 3 is fixedly connected by third bolt group 14 with shell 1；The lower flange
5 are fixedly connected by the 4th bolt group 16 with shell 1.
The coiled tubing of the present embodiment complex function double ram type preventer, the handle by rotating retaining mechanism drive lock
Mandrel and check lock lever slewing maneuver shear ram assembly and slip flashboard assembly do round-trip linear motion.
The coiled tubing of the present embodiment complex function double ram type preventer connects side door and shell by the first bolt group
Body, while can be used for hanging side door when dismantling side door, simplify disassembling operations.
The coiled tubing of the present embodiment complex function double ram type preventer, slip flashboard are oblong structure, are being shunt in a well
When slip flashboard assembly can not only hang drilling rod but also sealing wellhead can be played the role of.
The coiled tubing of the present embodiment complex function double ram type preventer, shell are connect by flange with wellhead assembly,
When well kick occurs or when blowout, rotates the handwheel of retaining mechanism, the screw mechanism between lock shaft and check lock lever is by the torsion of handwheel
Square is converted into axial thrust, pushes slip flashboard assembly mobile to well head center from check lock lever, makes the slips of slip flashboard assembly
Preceding seal assembly holds tubing string in well tightly；At this point, before slips seal assembly front end face rubber mutual extrusion, slips top seal assembly
Rubber be closely attached on the oblong cavity top sealing surface of shell, while the tight tubing string of slips tooth form toothholder of slips ontology, hang well
Lower tubular column weight；In the case where an emergency situation is encountered, when needing to cut coiled tubing could shunt in a well safely, then want rotational shear side door total
At retaining mechanism handwheel, push shear ram assembly mobile to well head center, cut the shear blade of shear ram assembly
Drilling rod, seal assembly holds tubing string in well tightly before shearing, and the rubber of shearing top seal assembly is closely attached on the oblong cavity top of shell
Sealing surface controls well cylinder pressure, effectively controls the generation of well kick or gas blowout accident to realize sealing；When needing to drive a well, instead
To rotation retaining mechanism handwheel when first open shear ram assembly and be then turned on slip flashboard assembly.
The coiled tubing of the present embodiment complex function double ram type preventer only just can be achieved at the same time with two groups of flashboards and cut
The function of cutting, hang and seal, structure is simple, and manual operation, without being equipped with hydraulic control system, low in cost, performance is more
Reliably；In addition, slips ontology is easy to dismount, can suspended weights up to 40t tubing string and column surface is damaged minimum.
Above-described embodiment should not in any way limit the utility model, all by the way of equivalent replacement or equivalency transform
The technical solution of acquisition is all fallen in the protection scope of the utility model.
Claims (6)
1. coiled tubing complex function double ram type preventer, it is characterised in that: it include shell, upper flange, union flange, under
Flange, shearing side door assembly, slips side door assembly, shear ram assembly and slip flashboard assembly；The shearing side door assembly, card
Watt side door assembly all includes side door, hydraulic drive mechanism and retaining mechanism；The side door is fixed by the first bolt group with shell；
The hydraulic drive mechanism includes hydraulic cylinder, end socket, piston and piston rod；The shear ram assembly and slip flashboard assembly are all
In the pre- oblong cavity for being mounted in shell；The shear ram assembly includes shear ram and shearing top seal assembly, shears lock
The side of plate is provided with shear blade, and seal assembly before shearing is provided on the shear ram of the two sides of shear blade；The slips lock
Plate assembly includes slip flashboard, slips top seal assembly, slips ontology, and row's slips tooth form is provided on the inside of slips ontology
Tooth；The lower part of slips ontology is provided with seal assembly before slips；The piston rod of the hydraulic drive mechanism of the shearing side door assembly
One end is cooperatively connected by the T-slot of T connector and shear ram assembly；The work of the hydraulic drive mechanism of the slips side door assembly
Stopper rod one end is cooperatively connected by the T-slot of T connector and slip flashboard assembly.
2. coiled tubing according to claim 1 complex function double ram type preventer, it is characterised in that: first spiral shell
Bolt group is made of cover type nut and studs, when disassembly, for hanging side door.
3. coiled tubing according to claim 1 complex function double ram type preventer, it is characterised in that: the piston
One end is formed it with hydraulic with hydraulic cylinder by the second bolt group from end socket；The other end of piston is connect with retaining mechanism.
4. coiled tubing according to claim 1 or 3 complex function double ram type preventer, it is characterised in that: the lock
Tight mechanism includes handle, lock shaft and check lock lever；One end of the lock shaft and the axle center of handle fix, the other end and check lock lever
Linking.
5. coiled tubing according to claim 1 complex function double ram type preventer, it is characterised in that: the upper flange
It is fixedly connected with the casing by third bolt group.
6. coiled tubing according to claim 1 complex function double ram type preventer, it is characterised in that: the lower flange
It is fixedly connected with the casing by the 4th bolt group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821046887.8U CN208502721U (en) | 2018-07-03 | 2018-07-03 | Coiled tubing complex function double ram type preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821046887.8U CN208502721U (en) | 2018-07-03 | 2018-07-03 | Coiled tubing complex function double ram type preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208502721U true CN208502721U (en) | 2019-02-15 |
Family
ID=65282436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821046887.8U Active CN208502721U (en) | 2018-07-03 | 2018-07-03 | Coiled tubing complex function double ram type preventer |
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| Country | Link |
|---|---|
| CN (1) | CN208502721U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259394A (en) * | 2019-07-26 | 2019-09-20 | 盐城市大冈石油工具厂有限责任公司 | Mutual-inserting type variable diameter carries anti-lost pipe clamping device |
| CN111927374A (en) * | 2020-09-09 | 2020-11-13 | 中国石油天然气集团有限公司 | Continuous oil pipe wellhead suspension sealing device |
| 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 |
| CN113775312A (en) * | 2021-10-27 | 2021-12-10 | 四川艾文思创能源科技有限公司 | Rotary load-bearing flashboard |
| CN114109294A (en) * | 2020-08-26 | 2022-03-01 | 中石化胜利石油工程有限公司管具技术服务中心 | Flashboard dismouting device and control system thereof |
| CN114876400A (en) * | 2022-06-20 | 2022-08-09 | 易初机械装备有限公司 | Coiled tubing prevents spouting system |
-
2018
- 2018-07-03 CN CN201821046887.8U patent/CN208502721U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259394A (en) * | 2019-07-26 | 2019-09-20 | 盐城市大冈石油工具厂有限责任公司 | Mutual-inserting type variable diameter carries anti-lost pipe clamping device |
| CN114109294A (en) * | 2020-08-26 | 2022-03-01 | 中石化胜利石油工程有限公司管具技术服务中心 | Flashboard dismouting device and control system thereof |
| CN111927374A (en) * | 2020-09-09 | 2020-11-13 | 中国石油天然气集团有限公司 | Continuous oil pipe wellhead suspension sealing device |
| CN111927374B (en) * | 2020-09-09 | 2022-11-29 | 中国石油天然气集团有限公司 | Continuous oil pipe wellhead suspension sealing device |
| 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 |
| CN113775312A (en) * | 2021-10-27 | 2021-12-10 | 四川艾文思创能源科技有限公司 | Rotary load-bearing flashboard |
| CN114876400A (en) * | 2022-06-20 | 2022-08-09 | 易初机械装备有限公司 | Coiled tubing prevents spouting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230505 Address after: No. 16, Xihenggang Street, Yangchenghu Town, Xiangcheng District, Suzhou City, Jiangsu Province, 215138 Patentee after: Suzhou Dawson Drilling and Production Equipment Co.,Ltd. Address before: 215137 Taiping Town, Suzhou, Jiangsu, Xiangcheng District Patentee before: SUZHOU DOUSON DRILLING & PRODUCTION EQUIPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right |