CN106246130B - Continuous pipe preventer - Google Patents
Continuous pipe preventer Download PDFInfo
- Publication number
- CN106246130B CN106246130B CN201610685677.2A CN201610685677A CN106246130B CN 106246130 B CN106246130 B CN 106246130B CN 201610685677 A CN201610685677 A CN 201610685677A CN 106246130 B CN106246130 B CN 106246130B
- Authority
- CN
- China
- Prior art keywords
- piston
- continuous pipe
- oil pipe
- seal
- feather key
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 210000003746 feather Anatomy 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 239000000725 suspension Substances 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 5
- 238000010008 shearing Methods 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 61
- 238000010586 diagram Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000346 nonvolatile oil Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid-Damping Devices (AREA)
- Pipe Accessories (AREA)
Abstract
The present invention provides a kind of continuous pipe preventer, it include: at least two groups blowout hookup, an oil pipe access is wherein provided in every group of blowout hookup for lower oil tube, the oil pipe access of at least two groups blowout hookup is connected by universal adjusting device, and universal adjusting device is used to adjust the relative position of oil pipe access and well head.Continuous pipe preventer provided by the invention, in more continuous pipe rountrips, the relative position that different oil pipe accesses and well head are adjusted by universal adjusting device improves the operating efficiency of continuous pipe without apparatus for work is exchanged direction and the replacement and debugging of continuous pipe is repeated.
Description
Technical field
The present invention relates to oil-gas field development technology more particularly to a kind of continuous pipe preventers.
Background technique
Continuous pipe preventer is one kind of wellhead blowout preventor in oil-gas field development field, and continuous pipe preventer can effectively drop
The frequency that gas blowout accident occurs when low continuous pipe operation, to reduce the destruction generated environment and be lost caused by economy.
In the prior art, continuous pipe preventer is usually four ram preventers, during removing continuous pipe, reduces well
The frequency that spray accident occurs.
Using the prior art, when co-continuous pipe operation, need to exchange apparatus for work different directions, and the company of being repeated
The replacement and debugging of continuous pipe, it is inefficient.
Summary of the invention
The present invention provides a kind of continuous pipe preventer, in continuous pipe operation, does not need to exchange apparatus for work different
Direction and the replacement and debugging that continuous pipe is repeated, improve efficiency.
Continuous pipe preventer provided by the invention, comprising: at least two groups blowout hookup, wherein being arranged in every group of blowout hookup
There is an oil pipe access, the oil pipe access is used for lower oil tube；
The oil pipe access of at least two groups blowout hookup is connected by universal adjusting device, and the universal adjusting device is used
In the relative position for adjusting the oil pipe access and well head.
In one embodiment of this invention, continuous pipe preventer includes at least one following device:
Full seal apparatus；
Shear；
Half seal apparatus；
Suspension arrangement.
In an embodiment of the present invention, the full seal apparatus includes:
First full envelope seal receptacle seals rubber parts entirely, seals pressing plate, the first feather key, the first steel cylinder and first piston entirely and the
One cylinder cap；
Described first full envelope seal receptacle, the full envelope rubber parts, the full envelope pressing plate and first feather key pass through the
One is bolted；
The first piston is inserted in first steel cylinder and connect with first cylinder cap, the first piston and described the
One full envelope seal receptacle connection.
In an embodiment of the present invention, the shear includes:
Shear ram, the second feather key, second piston, the second cylinder cap and the second steel cylinder；
The shear ram is bolted with second feather key by second；
The second piston is inserted in second steel cylinder and is connect with second cylinder cap, and the second piston is cut with described
Cut flashboard connection.
In an embodiment of the present invention, half seal apparatus includes:
Rubber parts, pressing plate, third feather key, the second full envelope seal receptacle, third piston, third cylinder cap and third steel cylinder；
The rubber parts, the pressing plate, the third feather key and the second full envelope seal receptacle are connected by third bolt
It connects；
The third piston is inserted in the third steel cylinder and connect with the third cylinder cap, the third piston and described the
Two full envelope seal receptacle connections.
In an embodiment of the present invention, the suspension arrangement includes:
Slips, the 4th feather key, the 4th piston, the 4th steel cylinder, the 4th cylinder cap and third seal seal receptacle entirely；
The slips and the 4th feather key are bolted by the 4th；
4th piston is inserted in the 4th steel cylinder and connect with the 4th cylinder cap, the 4th piston and described the
Three full envelope seal receptacle connections.
In the various embodiments described above of the present invention, further includes:
Hydraulic control system, the hydraulic control system is for controlling at least two groups blowout hookup.
In an embodiment of the present invention, the hydraulic control system includes:
Hydraulic fluid port flange and cylindrical tube NPT silk plug.
In the above embodiment of the present invention, the universal adjusting device includes:
I-shaped attachment base, the first O-ring, the second O-ring, bulb flange assembly, the first nut and the first stud；
First O-ring, second O-ring are mounted on the I-shaped attachment base；
The I-shaped attachment base passes through first nut and first Stud connection；
5th bolt is mounted on the I-shaped attachment base, and the bulb flange assembly is connect with the I-shaped attachment base.
The present invention provides a kind of continuous pipe preventer, comprising: at least two groups blowout hookup, wherein being set in every group of blowout hookup
An oil pipe access is equipped with for lower oil tube, the oil pipe access of at least two groups blowout hookup is connected by universal adjusting device,
Universal adjusting device is used to adjust the relative position of oil pipe access and well head.Continuous pipe preventer provided by the invention, is connecting more
When continuous pipe rountrip, the relative position of different oil pipe accesses and well head is adjusted by universal adjusting device, without that will make
Industry device exchanges direction and the replacement and debugging of continuous pipe is repeated, and improves the operating efficiency of continuous pipe.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the continuous pipe preventer embodiment one of the present invention；
Fig. 2 is the schematic diagram of the section structure in continuous one direction A-A of pipe preventer embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the full seal apparatus embodiment one of the present invention；
Fig. 4 is the structural schematic diagram of shear embodiment one of the present invention；
Fig. 5 is the structural schematic diagram of half seal apparatus embodiment one of the invention；
Fig. 6 is the structural schematic diagram of suspension arrangement embodiment one of the present invention；
Fig. 7 is the structural schematic diagram of hydraulic control system embodiment one of the present invention；
Fig. 8 is the structural schematic diagram of universal adjusting device embodiment one of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Description and claims of this specification and term " first ", " second ", " third ", " in above-mentioned attached drawing
The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage
The data that solution uses in this way are interchangeable under appropriate circumstances, so that the embodiment of the present invention described herein for example can be to remove
Sequence other than those of illustrating or describe herein is implemented.In addition, term " includes " and " having " and theirs is any
Deformation, it is intended that cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, system, production
Product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for this
A little process, methods, the other step or units of product or equipment inherently.
Fig. 1 is the structural schematic diagram of the continuous pipe preventer embodiment one of the present invention, and Fig. 2 is that the continuous pipe preventer of the present invention is real
Apply the schematic diagram of the section structure in one direction A-A of example.As depicted in figs. 1 and 2, the continuous pipe preventer of the present embodiment includes: at least two
Group blowout hookup 1, at least two groups blowout hookup 1 is used to remove continuous pipe prevents the generation of blowout, every group of blowout hookup in the process
In be provided with an oil pipe access 3, oil pipe access 3 is used for lower oil tube, and the oil pipe access 3 of at least two groups blowout hookup 1 passes through
Universal adjusting device 2 connects, and universal adjusting device 2 is used to adjust the relative position of oil pipe access 3 Yu well head.
A kind of possible implementation is that continuous pipe preventer is applied to co-continuous pipe rountrip.Continuous pipe preventer
In include two groups of blowout hookups, be denoted as: the first blowout hookup group and the second blowout hookup group are provided in the first blowout hookup group
First oil pipe access, for removing the first continuous pipe；The second oil pipe access is provided in second blowout hookup group, for removing
Two continuous pipes, the first oil pipe access and the second oil pipe access are connected by universal adjusting device, and pass through universal adjusting device tune
The relative position of the first oil pipe access and the second oil pipe access and well head is saved, then the continuous pipe preventer can be used for co-continuous pipe
Remove.Firstly, adjusting the relative position of the first oil pipe access and well head by universal adjusting device, the first continuous pipe is passed through
The first oil pipe access in first blowout hookup group is removed to stratum predeterminated position, then, passes through universal adjusting device adjustment the
The relative position of two oil pipe accesses and well head removes the second continuous pipe by the second oil pipe access in the second blowout hookup group
To stratum predeterminated position.
Optionally, it is connected between continuous pipe preventer and the valve of well head using 316L ring gasket.To continuous pipe blowout prevention
Device can bear the higher temperature of well head and pressure.
Continuous pipe preventer provided in this embodiment, comprising: at least two groups blowout hookup, wherein being set in every group of blowout hookup
An oil pipe access is equipped with for lower oil tube, the oil pipe access of at least two groups blowout hookup is connected by universal adjusting device,
Universal adjusting device is used to adjust the relative position of oil pipe access and well head.Continuous pipe preventer provided by the invention, is connecting more
When continuous pipe rountrip, the relative position of different oil pipe accesses and well head is adjusted by universal adjusting device, without that will make
Industry device exchanges direction and the replacement and debugging of continuous pipe is repeated, and improves the operating efficiency of continuous pipe.
Further, continuous preventer includes at least at least one following device: full seal apparatus, shear, half encapsulate
It sets and suspension arrangement.Wherein, closing oil pipe access when full seal apparatus is in oil pipe access without continuous pipe, the pressure in shaft bottom is hindered
Every preventing blowout.Shear is for cutting and sealing the continuous pipe removed.Half seal apparatus is used to remove during continuous pipe
Pressure is applied to the continuous pipe in oil pipe access, the risk of blowout is reduced, ensures the safety during continuous pipe removes.Suspension dress
It sets for being used cooperatively with shear, the continuous pipe after preventing shearing drops in well.
Optionally, Fig. 3 is the structural schematic diagram of the full seal apparatus embodiment one of the present invention.As shown in figure 3, full seal apparatus packet
It includes: the first full envelope seal receptacle 301, full envelope rubber parts 302, full envelope pressing plate 303, the first feather key 304, the first steel cylinder 305 and the
One piston 306 and the first cylinder cap 307.Wherein, the first full envelope seal receptacle 301, full envelope rubber parts 302, full envelope pressing plate 303 and first
Feather key 304 is connected by the first bolt 308.First piston 306 is inserted in the first steel cylinder 305 and connect with the first cylinder cap 307, and
And first piston 306 is connect with the described first full envelope seal receptacle 301.It is complete comprising two in continuous pipe preventer as shown in Figure 3
Seal apparatus: the first full seal apparatus 31 and the second full seal apparatus 32, the full envelope rubber of the first full seal apparatus 31 and the second full seal apparatus 32
Glue part is opposite and sets, and includes oil pipe access 3 among two full envelope rubber parts, then when in oil pipe access without continuous pipe, two complete
Envelope rubber parts is in contact, to close oil pipe access, the pressure barrier in shaft bottom is prevented blowout.
Optionally, Fig. 4 is the structural schematic diagram of shear embodiment one of the present invention.As shown in figure 4, shear packet
It includes: shear ram 401, the second feather key 402, second piston 403, the second cylinder cap 404 and the second steel cylinder 405.Wherein, lock is sheared
Plate 401 is connect with the second feather key 402 by the second bolt 406.Second piston 403 is inserted in the second steel cylinder 405 and the second cylinder
Lid 404 connects, and second piston 403 is connect with shear ram 401.It include two in continuous pipe preventer as shown in Figure 4
Shear, the first shear 41 and the second shear 42, the shearing of the first shear 41 and the second shear 42
Flashboard is opposite and sets, and includes oil pipe access 3 among two shear rams, then encounters the emergencies such as blowout when continuous pipe removes
When, two shear rams are in contact, to cut and seal the continuous pipe removed.
Optionally, Fig. 5 is the structural schematic diagram of half seal apparatus embodiment one of the invention.As shown in figure 5, half seal apparatus packet
Include: rubber parts 501, pressing plate 502, third feather key 503, second seal seal receptacle 504, third piston 505, third cylinder cap 506 entirely
With third steel cylinder 507.Wherein, the full envelope seal receptacle 504 of rubber parts 501, pressing plate 502, third feather key 503 and second passes through third
Bolt 508 connects.Third piston 505 is inserted in third steel cylinder 507 and connect with third cylinder cap 506, and third piston 505 and the
Two full envelope seal receptacles 504 connect.It include two and half seal apparatus, the first half seal apparatus 51 in continuous pipe preventer as shown in Figure 5
With the second half seal apparatus 52, the rubber parts of the first half seal apparatus 51 and the second half seal apparatus 52 is opposite and sets, in two rubber parts
Between include oil pipe access 3, then during continuous pipe removes, two rubber parts contact and resist the continuous pipe in oil pipe access,
To apply pressure to the continuous pipe in oil pipe access, the risk of blowout is reduced, ensures the safety during continuous pipe removes.
Optionally, Fig. 6 is the structural schematic diagram of suspension arrangement embodiment one of the present invention.As shown in fig. 6, suspension arrangement packet
Include: slips 601, the 4th feather key 602, the 4th piston 603, the 4th steel cylinder 604, the 4th cylinder cap 605 and third seal seal receptacle entirely
606.Wherein, slips 601 and the 4th feather key 602 are connected by the 4th bolt 607.4th piston 603 is inserted in the 4th steel cylinder 604
It is interior to be connect with the 4th cylinder cap 605, and the 4th piston 603 seals seal receptacle 606 with third entirely and connect.Continuous pipe as shown in Figure 5
It include two suspension arrangements, the first suspension arrangement 61 and the second suspension arrangement 62, the first suspension arrangement 61 and second in preventer
The slips of suspension arrangement 62 is opposite and sets, and includes oil pipe access 3 among two slips, then in shear before use, two cards
Watt the continuous pipe in oil pipe access is contacted and resists, thus the continuous pipe in fixed oil pipe access, the continuous pipe after preventing shearing
It drops in well
Further, in the above embodiments, continuous pipe preventer further include: hydraulic control system.Hydraulic control system
System is for controlling at least two groups blowout hookup.
Optionally, hydraulic control system includes the hydraulic control device being arranged in outside continuous pipe preventer, then operation people
Member realizes the control to blowout hookup in the peripheral operation hydraulic control device of continuous pipe preventer.
Optionally, at least two groups blowout hookup is controlled by remote control hydraulic control system, to ensure that operation people
Operational safety when member's operation.
Optionally, Fig. 7 is the structural schematic diagram of hydraulic control system embodiment one of the present invention.As shown in fig. 7, hydraulic control
System includes: hydraulic fluid port flange 701 and cylindrical tube (National Pipe Thread, referred to as: NPT) silk plug 702, hydraulic fluid port flange
701 are connected to outside continuous pipe preventer by bolt 703.Wherein, hydraulic fluid port flange is for controlling in continuous pipe preventer extremely
Few two groups of blowout hookups, NPT silk plug is for fixing and sealing at least two groups blowout hookup in continuous pipe preventer.
Fig. 8 is the structural schematic diagram of universal adjusting device embodiment one of the present invention.As shown in figure 8, universal adjusting device packet
It includes: I-shaped attachment base 801, the first O-ring 802, the second O-ring 803, bulb flange assembly 804, the first nut 805 and first
Stud 806.Wherein, the first O-ring 802, the second O-ring 803 are mounted on I-shaped attachment base 801, and I-shaped attachment base 801 passes through
First nut 805 and the connection of the first stud 806, the 5th bolt 807 are mounted on I-shaped attachment base 801, bulb flange assembly 804 with
I-shaped attachment base 801 connects.Wherein, I-shaped attachment base 801 is for placing bulb flange assembly 804.First O-ring 802 and
Two O-rings 803 are for the sealing in 804 rotation process of bulb flange assembly.Bulb flange group 804 for adjusting oil pipe access
With the relative position of well head.5th bolt 807 is connect with fixed bulb flange assembly 804, for fixing bulb flange assembly
804。
A kind of possible implementation are as follows: continuous pipe preventer is applied to co-continuous pipe rountrip.Continuous pipe preventer
In include two groups of blowout hookups, be denoted as: the first blowout hookup group and the second blowout hookup group are provided in the first blowout hookup group
First oil pipe access 81, for removing the first continuous pipe；It is provided with the second oil pipe access 82 in second blowout hookup group, is used for
Lower second continuous pipe, the first oil pipe access 81 is connected with the second oil pipe access 82 by universal adjusting device, and passes through universal tune
Regulating device adjusts the relative position of the first oil pipe access and the second oil pipe access and well head, then the continuous pipe preventer can be used for
Co-continuous pipe removes.Firstly, the 5th bolt 807 is separated with bulb flange assembly 804, adjustment bulb flange assembly 804
The phase of the first oil pipe access 81 and well head is adjusted so as to adjust the relative position of the first oil pipe access 81 and well head in relative position
Contraposition postpones, and the 5th bolt 807 is offseted with bulb flange assembly 804, thus bulb flange assembly 801 is fixed, then may be used
First continuous pipe is removed by the first oil pipe access 81 in the first blowout hookup group to stratum predeterminated position.Then, it removes
In first oil pipe access 81 after continuous pipe operation, the 5th bolt 807 is separated with bulb flange assembly 804, adjusts bulb
It is logical to adjust the second oil pipe so as to adjust the relative position of the second oil pipe access 82 and well head in the relative position of flange assembly 804
Behind road 82 and the relative position of well head, the 5th bolt 807 is offseted with bulb flange assembly 804, thus by bulb flange assembly
801 is fixed, then can remove to stratum the second continuous pipe by the second oil pipe access 82 in the second blowout hookup group and preset
Position.
Continuous pipe preventer provided in this embodiment, comprising: at least two groups blowout hookup, wherein being set in every group of blowout hookup
An oil pipe access is equipped with for lower oil tube, the oil pipe access of at least two groups blowout hookup is connected by universal adjusting device,
Universal adjusting device is used to adjust the relative position of oil pipe access and well head.Universal adjusting device includes: I-shaped attachment base, first
O-ring, the second O-ring, bulb flange assembly, the first nut, the first stud and the 5th bolt.Continuous pipe provided in this embodiment
Preventer can adjust different oil pipe accesses and well head by bulb flange assembly in universal adjusting device and the 5th bolt
Relative position, without apparatus for work is exchanged direction in continuous pipe operation and replacement and the tune of continuous pipe is repeated
Examination, improves the operating efficiency of continuous pipe.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (7)
1. a kind of continuous pipe preventer characterized by comprising
At least two groups blowout hookup, wherein being provided with an oil pipe access in every group of blowout hookup, the oil pipe access is used for
Lower oil pipe；
The oil pipe access of at least two groups blowout hookup is connected by universal adjusting device, and the universal adjusting device is for adjusting
Save the relative position of the oil pipe access and well head；
The universal adjusting device includes:
I-shaped attachment base, the first O-ring, the second O-ring, bulb flange assembly, the first nut and the first stud；
First O-ring, second O-ring are mounted on the I-shaped attachment base；
The I-shaped attachment base passes through first nut and first Stud connection；
5th bolt is mounted on the I-shaped attachment base, and the bulb flange assembly is connect with the I-shaped attachment base；Described
Five bolts are connect with the bulb flange assembly, for fixing the bulb flange assembly；
Wherein, every group of blowout hookup includes: full seal apparatus, shear, half seal apparatus and suspension arrangement.
2. continuous pipe preventer according to claim 1, which is characterized in that the full seal apparatus includes:
First full envelope seal receptacle seals rubber parts entirely, seals pressing plate, the first feather key, the first steel cylinder and first piston and the first cylinder entirely
Lid；
Described first full envelope seal receptacle, the full envelope rubber parts, the full envelope pressing plate and first feather key pass through the first spiral shell
It tethers and connects；
The first piston is inserted in first steel cylinder and connect with first cylinder cap, and the first piston is complete with described first
Seal seal receptacle connection.
3. continuous pipe preventer according to claim 1, which is characterized in that the shear includes:
Shear ram, the second feather key, second piston, the second cylinder cap and the second steel cylinder；
The shear ram is bolted with second feather key by second；
The second piston is inserted in second steel cylinder and is connect with second cylinder cap, the second piston and the shearing lock
Plate connection.
4. continuous pipe preventer according to claim 1, which is characterized in that half seal apparatus includes:
Rubber parts, pressing plate, third feather key, the second full envelope seal receptacle, third piston, third cylinder cap and third steel cylinder；
The rubber parts, the pressing plate, the third feather key and the second full envelope seal receptacle are bolted by third；
The third piston is inserted in the third steel cylinder and connect with the third cylinder cap, and the third piston is complete with described second
Seal seal receptacle connection.
5. continuous pipe preventer according to claim 1, which is characterized in that the suspension arrangement includes:
Slips, the 4th feather key, the 4th piston, the 4th steel cylinder, the 4th cylinder cap and third seal seal receptacle entirely；
The slips and the 4th feather key are bolted by the 4th；
4th piston is inserted in the 4th steel cylinder and connect with the 4th cylinder cap, and the 4th piston and the third are complete
Seal seal receptacle connection.
6. continuous pipe preventer according to claim 1-5, which is characterized in that further include:
Hydraulic control system, the hydraulic control system is for controlling at least two groups blowout hookup.
7. continuous pipe preventer according to claim 6, which is characterized in that the hydraulic control system includes:
Hydraulic fluid port flange and cylindrical tube NPT silk plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610685677.2A CN106246130B (en) | 2016-08-18 | 2016-08-18 | Continuous pipe preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610685677.2A CN106246130B (en) | 2016-08-18 | 2016-08-18 | Continuous pipe preventer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106246130A CN106246130A (en) | 2016-12-21 |
| CN106246130B true CN106246130B (en) | 2019-04-09 |
Family
ID=57591670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610685677.2A Active CN106246130B (en) | 2016-08-18 | 2016-08-18 | Continuous pipe preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106246130B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700788A (en) * | 2019-09-29 | 2020-01-17 | 魏海虎 | Broken water pipe reinforcing device |
| CN114704216B (en) * | 2022-06-06 | 2022-09-06 | 山东威盟石油机械有限公司 | Coiled tubing operating system |
| CN114876400B (en) * | 2022-06-20 | 2023-05-26 | 易初机械装备有限公司 | Coiled tubing blowout prevention system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6843463B1 (en) * | 2002-08-30 | 2005-01-18 | Varco I/P/ Inc. | Pressure regulated slip ram on a coil tubing blowout preventer |
| CN201241656Y (en) * | 2008-08-12 | 2009-05-20 | 颜廷杰 | Double-ram blowout preventer of single layer cavity structure |
| CN202215185U (en) * | 2011-05-20 | 2012-05-09 | 中国石油化工股份有限公司 | Five-combination blowout preventer |
| CN202215189U (en) * | 2011-09-10 | 2012-05-09 | 山东临朐乾成石油机械有限公司 | Shearing and full-sealing double-gate-segment blowout preventer for oil field |
| CN102418490A (en) * | 2011-11-28 | 2012-04-18 | 哈尔滨功成科技创业投资有限公司 | Sealing device |
| CN202467747U (en) * | 2012-02-02 | 2012-10-03 | 中国石油化工股份有限公司 | Anti-spraying device of continuous oil pipe working wellhead |
-
2016
- 2016-08-18 CN CN201610685677.2A patent/CN106246130B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106246130A (en) | 2016-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106246130B (en) | Continuous pipe preventer | |
| GB2284840A (en) | Improvements in or relating to oilfield tubular shear ram and method for blowout prevention | |
| CA3045336C (en) | Explosive disconnect | |
| US3589667A (en) | Combination well blowout preventer | |
| CN104675353A (en) | Systems, methods, and devices for isolating portions of a wellhead from fluid pressure | |
| AU2020202613A1 (en) | Advanced blow-out preventer | |
| CN105156060B (en) | Coiled tubing blowout preventer | |
| CN108386154A (en) | Completion becomes encapsulation tube head | |
| CN110306947A (en) | A kind of temporary block apparatus after the pressure suitable for oil/gas well in pit shaft and temporarily block up construction method | |
| CN202215189U (en) | Shearing and full-sealing double-gate-segment blowout preventer for oil field | |
| CN104060963A (en) | Integrated blowout preventer for well repair and drilling | |
| CN209568991U (en) | A kind of hydraulic manual double ram type preventer | |
| CN110281203B (en) | Maintenance and replacement tool for normal-pressure alloy-replacement tool sealing device and use method | |
| CN102444390A (en) | Emergency rescuing device for incontrollable blowout | |
| CN209430131U (en) | Oil/gas well blowout out of control is speedily carried out rescue work with bottom flange slips | |
| CN210589082U (en) | Maintenance and replacement tool for sealing device of normal-pressure alloy-changing cutter | |
| CN202249880U (en) | Pipe shearing device for oil field | |
| CN109372461A (en) | Blowout out of control wellhead assembly remapping method | |
| CN205805531U (en) | Operating Pressure annulus logging wellhead assembly | |
| CN108412447A (en) | Oil/gas well blowout out of control, which is speedily carried out rescue work, uses wellhead assembly | |
| CN105019844B (en) | A kind of shale gas well head main control valve replacing device operated under pressure | |
| RU2164585C2 (en) | Preventer | |
| NZ257615A (en) | Fill-pipe replacement tool having ram passed into fill-pipe to cut it transversely | |
| CN209469631U (en) | A kind of pressurization cylinder structure | |
| CN210134848U (en) | Wellhead resetting device suitable for flange with bottom |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |