CN208473702U - A kind of blowout prevention machine carousel - Google Patents
A kind of blowout prevention machine carousel Download PDFInfo
- Publication number
- CN208473702U CN208473702U CN201820754030.5U CN201820754030U CN208473702U CN 208473702 U CN208473702 U CN 208473702U CN 201820754030 U CN201820754030 U CN 201820754030U CN 208473702 U CN208473702 U CN 208473702U
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- self
- rubber core
- sealing rubber
- rotatable mechanism
- working tube
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Abstract
The utility model discloses a kind of blowout prevention machine carousels, including machine carousel (1), outer working tube (2), wherein machine carousel (1) lower end is connect with outer working tube (2) upper end, machine carousel (1) middle position, which is run through, is equipped with turntable (5), self-sealing rubber core (8) and Rotatable mechanism (9) are equipped in the outer working tube (2), wherein self-sealing rubber core (8) upper end is fixed with turntable (5) lower end, the Rotatable mechanism (9) is set to outer working tube (2) inside lower end, wherein the lower end of self-sealing rubber core (8) and Rotatable mechanism (9) are interference fitted, the turntable (5), self-sealing rubber core (8), Rotatable mechanism (9) and outer working tube (2) internal run-through.The utility model effectively prevent set, mill, milling, the well head hydrojet phenomenon in rotary operations construction such as bores, and reduces the security risk and risk of environmental pollution during construction operation.
Description
Technical field
The utility model belongs to technical field of oil field equipment, is related to corollary equipment when a kind of downhole remedial operation, especially
It is a kind of blowout prevention machine carousel, blowout prevention function can be achieved during set, mill, milling, brill construction operation.
Background technique
Oil well often will do it the rotary drillings operation such as set, mill, milling, brill in downhole remedial operation work progress, these
Operation, which requires machine carousel, to be completed, but matched machine carousel does not have blowout prevention function at present, and what well head returned out applies
Work can not be controlled effectively with liquid, cause construction operation difficulty big, and safety and environmental protection risk is high, and solving problems at present, there are no good
Processing method.
Utility model content
The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of blowout prevention machine carousel, can
The well head hydrojet phenomenon in the underground constructions operation process such as set, mill, milling, brill is prevented, solves prior art construction operation difficulty
Greatly, safety and environmental protection risk is high, and seals insecure technical problem.
In order to solve technical problem, the technical solution of the utility model is: a kind of blowout prevention machine carousel, including mechanical turn
Disk, outer working tube, wherein machine carousel lower end is connect with outer working tube upper end, and the machine carousel middle position, which is run through to be equipped with, to be turned
Platform, the outer working tube is interior to be equipped with self-sealing rubber core and Rotatable mechanism, and wherein self-sealing rubber core upper end is fixed with turntable lower end, described
Rotatable mechanism is set to outer working tube inside lower end, and wherein the lower end of self-sealing rubber core and Rotatable mechanism are interference fitted, described
Turntable, self-sealing rubber core, Rotatable mechanism and outer working tube internal run-through.
Preferably, the vertical section of the self-sealing rubber core be " π " type, wherein self-sealing rubber core center be equipped with centre bore, it is described in
The vertical section in heart hole is " π " type, and the turntable lower end surface is equipped with small flange, and the self-sealing rubber core upper end is by supported flange and turns
The small flanged joint of platform lower end surface.
Preferably, the diameter of the centre bore is less than the diameter of drilling tool.
Preferably, the Rotatable mechanism is that inside has the cylindrical body of truncated cone-shaped through-hole, wherein truncated cone-shaped clear size of opening compared with
Big one end and self-sealing rubber core lower end is interference fitted, and the Rotatable mechanism upper surface is equipped with oil sealing, and wherein oil sealing will be rotatable
Mechanism and outer working tube sealing, the Rotatable mechanism lower end surface are equipped with thrust bearing.
Preferably, the oil sealing upper end is equipped with limit circlip.
Preferably, the outer working tube both ends of the surface are equipped with first flange and second flange, and wherein first flange and machinery turn
Disk lower end is fixedly connected, and the second flange is fixedly connected with well head.
Preferably, the outer working tube inner cavity is formed by connecting by two different cylindrical cavities of size, wherein from sealing
Core and Rotatable mechanism are set to that the big cylindrical empty of size is intracavitary, and wherein the small cylindrical cavity end of size connects the second method
It is blue.
Compared with the existing technology, utility model has the advantages that
(1) self-sealing rubber core and Rotatable mechanism are equipped in the utility model machine carousel outer working tube, self-sealing rubber core erects
Section is " π " type, and Rotatable mechanism is the cylindrical body that there is truncated cone-shaped through-hole in inside, and wherein vertical section is the self-sealing rubber core of " π " type
Lower end and the internal Rotatable mechanism for having truncated cone-shaped through-hole be interference fitted, by blowout prevention machine carousel outer working tube lower end when construction
The second flange of face connection is connect with well head, recycles installation to be shorted and the centre bore that drilling tool is introduced through self-sealing rubber core is completed equipment
Installation is interference fitted at this point, the centre bore of drilling tool and " π " type self-sealing rubber core is formed, simultaneously the type self-sealing rubber core lower end " π " with can revolve
Favourable turn is configured to be interference fitted, to realize the sealing of oil jacket annulus, it is therefore prevented that well head hydrojet phenomenon is rotated in machine carousel
In drilling process, the turntable of machine carousel drives self-sealing rubber core and Rotatable mechanism rotation, realizes the sealing in work progress
Blowout prevention function effectively prevent well head hydrojet phenomenon in the rotary operations construction such as set, mill, milling, brill in this way, reduces construction operation mistake
Security risk and risk of environmental pollution in journey；
(2) the utility model Rotatable mechanism upper surface is equipped with oil sealing and seals Rotatable mechanism and outer working tube, sealing
Reliably, and equipment installation is simple, and maintenance cost is low；
(3) the utility model structure is simple and convenient to operate, designs rationally, and stabilized structure.
Detailed description of the invention
The half section structure diagram of Fig. 1, the utility model.
Description of symbols:
1- machine carousel, 2- outer working tube, 3- first flange, 4- second flange, 5- turntable, the small flange of 6-, 7- compress method
Orchid, 8- self-sealing rubber core, 9- Rotatable mechanism, 10- oil sealing, 11- thrust bearing, 12- centre bore, 13- limit circlip.
Specific embodiment
Specific embodiment of the present invention is described with reference to the accompanying drawings and embodiments:
It should be noted that structure, ratio, the size etc. illustrated in this specification institute attached drawing, only to cooperate explanation
The revealed content of book is not intended to limit the utility model enforceable so that those skilled in the art understands and reads
Qualifications, the modification of any structure, the change of proportionate relationship or the adjustment of size, can be generated not influencing the utility model
The effect of and the purpose that can reach under, should all still fall in the range of the revealed technology contents of the utility model can cover.
Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term, also
Only being illustrated convenient for narration, rather than to limit the enforceable range of the utility model, relativeness is altered or modified,
Under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
Embodiment one
As shown in Figure 1, the utility model discloses a kind of blowout prevention machine carousel, including machine carousel 1, outer working tube 2,
Middle 1 lower end of machine carousel is connect with 2 upper end of outer working tube, and 1 middle position of machine carousel, which is run through, is equipped with turntable 5, described outer
Self-sealing rubber core 8 and Rotatable mechanism 9 are equipped in seating nipple 2, wherein 8 upper end of self-sealing rubber core is fixed with 5 lower end of turntable, described to revolve
Rotation mechanism 9 is set to 2 inside lower end of outer working tube, and wherein the lower end of self-sealing rubber core 8 and Rotatable mechanism 9 are interference fitted, described
Turntable 5,2 internal run-through of self-sealing rubber core 8, Rotatable mechanism 9 and outer working tube.The lower end of the self-sealing rubber core and Rotatable mechanism
Interference fit has the function that sealing, and wherein self-sealing rubber core is the material of compressible deformation, such as rubber etc..
As shown in Figure 1, it is preferred that the vertical section of the self-sealing rubber core 8 is " π " type, during wherein 8 center of self-sealing rubber core is equipped with
Heart hole 12, the vertical section of the centre bore 12 are " π " type, and 5 lower end surface of turntable is equipped with small flange 6, on the self-sealing rubber core 8
End is connect by supported flange 7 with the small flange 6 of 5 lower end surface of turntable.
As shown in Figure 1, it is preferred that the diameter of the centre bore 12 is less than the diameter of drilling tool, and A direction shown in Fig. 1 is
Drilling tool lead.
As shown in Figure 1, it is preferred that the Rotatable mechanism 9 is the cylindrical body that there is truncated cone-shaped through-hole in inside, wherein truncated cone-shaped
The big one end of clear size of opening and 8 lower end of self-sealing rubber core are interference fitted, and 9 upper surface of Rotatable mechanism is equipped with oil sealing 10, wherein
Oil sealing 10 seals Rotatable mechanism 9 and outer working tube 2, and 9 lower end surface of Rotatable mechanism is equipped with thrust bearing 11.
The thrust bearing is the special bearing for specially bearing axial force, is exactly the axis of the power in the direction parallel with axis
It holds.Thrust bearing is usually to be made of two thrust washers or more and several rolling elements, general thrust washer point
For axis piece and seat piece, the generally most common pattern of rolling element is to be combined by irony or copper holder integral, and the type bearing is most
Common is steel-ball type thrust bearing.Thrust bearing includes end thrust ball bearing, taper roller bearing, spheric roller bearing and roller thrust
Bearing.End thrust ball bearing includes one-way planar bearing, unidirectional deep-groovebearing and two-way deep-groovebearing.
As shown in Figure 1, it is preferred that 10 upper end of oil sealing is equipped with limit circlip 13, and the Rotatable mechanism 9 utilizes limit
Circlip 13 is limited.
As shown in Figure 1, it is preferred that 2 both ends of the surface of outer working tube are equipped with first flange 3 and second flange 4, wherein first
Flange 3 is fixedly connected with 1 lower end of machine carousel, and the second flange 4 is fixedly connected with well head.
As shown in Figure 1, it is preferred that 2 inner cavity of outer working tube is formed by connecting by two different cylindrical cavities of size,
Wherein self-sealing rubber core 8 and Rotatable mechanism 9 are set to that the big cylindrical empty of size is intracavitary, wherein the small cylindrical cavity end of size
Portion connects second flange 4.
Embodiment two
As shown in Figure 1, the utility model discloses a kind of blowout prevention machine carousel, including machine carousel 1, outer working tube 2,
Middle 1 lower end of machine carousel is connect with 2 upper end of outer working tube, and 1 middle position of machine carousel, which is run through, is equipped with turntable 5, described outer
Self-sealing rubber core 8 and Rotatable mechanism 9 are equipped in seating nipple 2, wherein 8 upper end of self-sealing rubber core is fixed with 5 lower end of turntable, described to revolve
Rotation mechanism 9 is set to 2 inside lower end of outer working tube, and wherein the lower end of self-sealing rubber core 8 and Rotatable mechanism 9 are interference fitted, described
The lower end of self-sealing rubber core and Rotatable mechanism interference fit have the function that sealing, the turntable 5, self-sealing rubber core 8, rotary apparatus
2 internal run-through of structure 9 and outer working tube.
Preferably, the vertical section of the self-sealing rubber core 8 is " X " type, and wherein 8 center of self-sealing rubber core is equipped with centre bore 12, institute
The vertical section for stating centre bore 12 is " X " type, and 5 lower end surface of turntable is equipped with small flange 6, and 8 upper end of self-sealing rubber core passes through pressure
Tight flange 7 is connect with the small flange 6 of 5 lower end surface of turntable.
Preferably, the Rotatable mechanism 9 is that inside has the cylindrical body of hemispherical through-hole, wherein hemispherical clear size of opening compared with
Big one end and 8 lower end of self-sealing rubber core is interference fitted, and 9 upper surface of Rotatable mechanism is equipped with oil sealing 10, and wherein oil sealing 10 will
Rotatable mechanism 9 and outer working tube 2 seal, and 9 lower end surface of Rotatable mechanism is equipped with thrust bearing 11.
Preferably, 2 both ends of the surface of outer working tube are equipped with first flange 3 and second flange 4, wherein first flange 3 and machine
1 lower end of tool turntable is fixedly connected, and the second flange 4 is fixedly connected with well head.
Preferably, 2 inner cavity of outer working tube is formed by connecting by two different square cavities of size, wherein self-sealing rubber core
8 and Rotatable mechanism 9 be set in the big square cavity of size, wherein the small square cavity end of size connects second flange 4.
Embodiment three
As shown in Figure 1, the utility model discloses a kind of blowout prevention machine carousel, including machine carousel 1, outer working tube 2,
Middle 1 lower end of machine carousel is connect with 2 upper end of outer working tube, and 1 middle position of machine carousel, which is run through, is equipped with turntable 5, described outer
Self-sealing rubber core 8 and Rotatable mechanism 9 are equipped in seating nipple 2, wherein 8 upper end of self-sealing rubber core is fixed with 5 lower end of turntable, described to revolve
Rotation mechanism 9 is set to 2 inside lower end of outer working tube, and wherein the lower end of self-sealing rubber core 8 and Rotatable mechanism 9 are interference fitted, described
The lower end of self-sealing rubber core and Rotatable mechanism interference fit have the function that sealing, the turntable 5, self-sealing rubber core 8, rotary apparatus
2 internal run-through of structure 9 and outer working tube.
Preferably, the vertical section of the self-sealing rubber core 8 is rectangular, and wherein 8 center of self-sealing rubber core is equipped with centre bore 12, described
The vertical section of centre bore 12 be it is rectangular, 5 lower end surface of turntable be equipped with small flange 6,8 upper end of self-sealing rubber core pass through compression method
Orchid 7 connect with the small flange 6 of 5 lower end surface of turntable.
Preferably, the diameter of the centre bore 12 is less than the diameter of drilling tool.
Preferably, the Rotatable mechanism 9 is that inside has the cylindrical body of truncated cone-shaped through-hole, wherein truncated cone-shaped clear size of opening compared with
Big one end and 8 lower end of self-sealing rubber core is interference fitted, and 9 upper surface of Rotatable mechanism is equipped with oil sealing 10, and wherein oil sealing 10 will
Rotatable mechanism 9 and outer working tube 2 seal, and 9 lower end surface of Rotatable mechanism is equipped with thrust bearing 11.
The working principle of the utility model is as follows:
The utility model blowout prevention machine carousel includes machine carousel 1, and 1 shell lower end surface of machine carousel connects outer working tube 2,
The lower end surface of outer working tube 2 is equipped with and second flange 4 and connect with well head, equipped with self-sealing rubber core 8 and rotatable inside outer working tube 2
Mechanism 9,9 side wall of Rotatable mechanism are sealed with 2 inner cavity of outer working tube by oil sealing 10, and 9 lower end surface of Rotatable mechanism is equipped with thrust
Bearing 11,9 upper end of Rotatable mechanism are limited by limit circlip 13, and the lower end surface of turntable 5 is equipped with small flange 6, under small flange 6
End is fixed with rubber head on " π " type self-sealing rubber core 8 by supported flange, and the lower rubber head of self-sealing rubber core 8 and Rotatable mechanism 9 realize interference
Cooperation has the function that sealing, and centre bore 12 is equipped among " π " type self-sealing rubber core 8, and drilling tool used in operation is drawn by installing to be shorted
Enter centre bore 12 and forms interference fit realization sealing.
Utility model works process are as follows: the second flange for connecting blowout prevention machine carousel outer working tube lower end surface when construction
It is connect with wellhead flange, recycles installation to be shorted the installation that the centre bore that drilling tool is introduced through self-sealing rubber core is completed to equipment, at this point, boring
The centre bore of tool and " π " type self-sealing rubber core, which is formed, to be interference fitted, and the type self-sealing rubber core lower end " π " and rotary apparatus were configured to simultaneously
It is full of cooperation, to realize the sealing of oil jacket annulus, it is therefore prevented that well head hydrojet phenomenon, during machine carousel rotary drilling,
The turntable of machine carousel drives self-sealing rubber core and Rotatable mechanism rotation, realizes the sealing blowout prevention function in work progress, this
Sample effectively prevent well head hydrojet phenomenon in the rotary operations construction such as set, mill, milling, brill, reduces the safety during construction operation
Risk and risk of environmental pollution.
The utility model Rotatable mechanism upper surface is equipped with oil sealing and seals Rotatable mechanism and outer working tube, and sealing can
It leans on, and equipment installation is simple, maintenance cost is low；The utility model structure is simple and convenient to operate, designs rationally, and ties
Structure is firm.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the utility model is not limited to
Above embodiment can also not depart from the utility model within the knowledge of a person skilled in the art
It is made a variety of changes under the premise of objective.
Many other changes and modifications may be made without departing from the spirit and scope of the utility model.It should be appreciated that this reality
It is not limited to specific embodiment with novel, the scope of the utility model is defined by the following claims.
Claims (7)
1. a kind of blowout prevention machine carousel, it is characterised in that: including machine carousel (1), outer working tube (2), wherein machine carousel (1)
Lower end is connect with outer working tube (2) upper end, and machine carousel (1) middle position, which is run through, is equipped with turntable (5), the outer working tube
(2) self-sealing rubber core (8) and Rotatable mechanism (9) are equipped in, wherein self-sealing rubber core (8) upper end is fixed with turntable (5) lower end, described
Rotatable mechanism (9) is set to outer working tube (2) inside lower end, wherein the lower end of self-sealing rubber core (8) and Rotatable mechanism (9) mistake
It is full of cooperation, the turntable (5), self-sealing rubber core (8), Rotatable mechanism (9) and outer working tube (2) internal run-through.
2. a kind of blowout prevention machine carousel according to claim 1, it is characterised in that: the vertical section of the self-sealing rubber core (8)
For " π " type, wherein self-sealing rubber core (8) center is equipped with centre bore (12), and the vertical section of the centre bore (12) is " π " type, described
Turntable (5) lower end surface is equipped with small flange (6), and self-sealing rubber core (8) upper end passes through supported flange (7) and turntable (5) lower end surface
Small flange (6) connection.
3. a kind of blowout prevention machine carousel according to claim 2, it is characterised in that: the diameter of the centre bore (12) is less than
The diameter of drilling tool.
4. a kind of blowout prevention machine carousel according to claim 1, it is characterised in that: the Rotatable mechanism (9) is inside
There is the cylindrical body of truncated cone-shaped through-hole, wherein the big one end of truncated cone-shaped clear size of opening and self-sealing rubber core (8) lower end are interference fitted, described
Rotatable mechanism (9) upper surface is equipped with oil sealing (10), and wherein oil sealing (10) seals Rotatable mechanism (9) and outer working tube (2),
Rotatable mechanism (9) lower end surface is equipped with thrust bearing (11).
5. a kind of blowout prevention machine carousel according to claim 4, it is characterised in that: oil sealing (10) upper end is equipped with limit
Circlip (13).
6. described in any item a kind of blowout prevention machine carousels according to claim 1~5, it is characterised in that: the outer working tube (2)
Both ends of the surface are equipped with first flange (3) and second flange (4), and wherein first flange (3) is fixedly connected with machine carousel (1) lower end,
The second flange (4) is fixedly connected with well head.
7. a kind of blowout prevention machine carousel according to claim 6, it is characterised in that: outer working tube (2) inner cavity is by two
The different cylindrical cavity of a size is formed by connecting, and wherein self-sealing rubber core (8) and Rotatable mechanism (9) are set to the big circle of size
In cylindrical cavity, wherein the small cylindrical cavity end of size connects second flange (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820754030.5U CN208473702U (en) | 2018-05-21 | 2018-05-21 | A kind of blowout prevention machine carousel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820754030.5U CN208473702U (en) | 2018-05-21 | 2018-05-21 | A kind of blowout prevention machine carousel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208473702U true CN208473702U (en) | 2019-02-05 |
Family
ID=65218122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820754030.5U Active CN208473702U (en) | 2018-05-21 | 2018-05-21 | A kind of blowout prevention machine carousel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208473702U (en) |
-
2018
- 2018-05-21 CN CN201820754030.5U patent/CN208473702U/en active Active
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