CN209053580U - A kind of monoblock type Fast Makeup Casing Head applied to oil and gas extraction wellhead device - Google Patents
A kind of monoblock type Fast Makeup Casing Head applied to oil and gas extraction wellhead device Download PDFInfo
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- CN209053580U CN209053580U CN201821335926.6U CN201821335926U CN209053580U CN 209053580 U CN209053580 U CN 209053580U CN 201821335926 U CN201821335926 U CN 201821335926U CN 209053580 U CN209053580 U CN 209053580U
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- hanger
- casing head
- oil
- mandrel
- gas extraction
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Abstract
The utility model provides a kind of monoblock type Fast Makeup Casing Head applied to oil and gas extraction wellhead device, it includes casing head ontology, mandrel is equipped in casing head ontology, the opposite sides of casing head ontology, which is connected with, is connected separately with the first valve mechanism and the first valve mechanism, tubing head is provided at the top of casing head ontology, tubing head is detachably connected with oil pipe, the first hanger and the second hanger are set on mandrel, multiple sealing rings are provided between the outer wall of mandrel and the inner wall of casing head ontology, the section of sealing ring is in U-shape, multiple convex ribs arranged in parallel are provided in the top planes of sealing ring.The utility model effectively improves the sealing performance of casing head part compared to the prior art.
Description
Technical field
The utility model relates to oil and gas extraction wellhead device fields, and in particular to a kind of applied to the whole of oil and gas extraction wellhead device
Body formula Fast Makeup Casing Head.
Background technique
Oil and gas extraction wellhead device is also known as completion interval of well mouth device, mainly includes recover the oil (gas) tree, tubing head, casing head and phase
Accessory is closed, is oil recovery (gas) equipment for hanging, supporting, control, adjust etc., as the important equipment of production of hydrocarbons, property
Can the superiority and inferiority of energy is related to oil/gas well produce safe and efficiently.It is advanced, with the continuous development of petroleum industry, also to well head
The reliability and controlling of device and valve are put forward higher requirements, this just promotes and wellhead assembly is pushed to be also at constantly
Improvement and development among.
In current oil and gas extraction wellhead device, casing head is mainly used to the well head of fixed drilling well, connects wellhead casing pipe column,
Supporting the gravity of protective casing and production string, the annular space between each layer pipe is sealed, to install preventer, tubing head,
Production tree provides transition connection, and by two side ports on casing head ontology, can carry out mending crowded mud, monitoring and fill flat
Weigh the construction operations such as liquid.In current CASINGHEAD STRUCTURE, casing head ontology sealing performance is not strong.
Utility model content
In consideration of it, the utility model provides a kind of stronger monoblock type applied to oil and gas extraction wellhead device of sealing performance
Fast Makeup Casing Head.
For this purpose, the utility model provides a kind of monoblock type Fast Makeup Casing Head applied to oil and gas extraction wellhead device, packet
Casing head ontology is included, mandrel is equipped in casing head ontology, the opposite sides of casing head ontology, which is connected with, is connected separately with first
Valve mechanism and the second valve mechanism are provided with tubing head at the top of casing head ontology, and tubing head is detachably connected with oil pipe, core
It is set with the first hanger and the second hanger on axis, is provided between the outer wall of mandrel and the inner wall of casing head ontology multiple close
The section of seal, sealing ring is in U-shape, and multiple convex ribs arranged in parallel are provided in the top planes of sealing ring.
Further, the opposite sides face of above-mentioned sealing ring forms "eight" shape structure.
Further, above-mentioned first hanger is W-shaped slips hanger.
Further, above-mentioned second hanger is mandrel type hanger.
Further, third hanger is set on above-mentioned mandrel, the second hanger is located at the first hanger and third is outstanding
Between hanging device, third hanger is slips hanger.
A kind of monoblock type Fast Makeup Casing Head applied to oil and gas extraction wellhead device provided by the utility model, it is main to be arranged
Casing head ontology is equipped with mandrel in casing head ontology, and the opposite sides of casing head ontology is connected with is connected separately with first
Valve mechanism and the first valve mechanism are provided with tubing head at the top of casing head ontology, and tubing head is detachably connected with oil pipe, core
It is set with the first hanger and the second hanger on axis, is provided between the outer wall of mandrel and the inner wall of casing head ontology multiple close
The section of seal, sealing ring is in U-shape, and multiple convex ribs arranged in parallel are provided in the top planes of sealing ring；Pass through above-mentioned knot
The improvement of structure cooperates the setting of multiple hangers so that casing head sealing performance is stronger using the structure setting of multiple sealing rings,
To effectively improve the sealing performance of casing head part compared to the prior art.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this
Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is a kind of monoblock type Fast Makeup Casing Head applied to oil and gas extraction wellhead device provided by the embodiment of the utility model
Structural schematic diagram；
Fig. 2 is the enlarged drawing in the portion A in Fig. 1.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
Embodiment one:
Referring to Fig. 1 to Fig. 2, one kind that the offer of the utility model embodiment one is shown in figure is filled applied to oil and gas extraction wellhead
The monoblock type Fast Makeup Casing Head set comprising casing head ontology 1 is equipped with mandrel 11, casing head ontology 1 in casing head ontology 1
Opposite sides be connected with and be connected separately with the first valve mechanism 2 and the second valve mechanism 3, the top setting of casing head ontology 1
There is tubing head 4, tubing head 4 is detachably connected with oil pipe, the first hanger 12 and the second hanger 13 are set on mandrel 11, the
One hanger 12 is W-shaped slips hanger, and the second hanger 13 is mandrel type hanger, the outer wall and casing head ontology of mandrel 11
Multiple sealing rings 14 are provided between 1 inner wall, the section of sealing ring 14 is in U-shape, and is provided in the top planes of sealing ring 14
Multiple convex ribs 141 arranged in parallel.
Provided a kind of monoblock type Fast Makeup Casing Head applied to oil and gas extraction wellhead device provided by the present embodiment, it is main
It to be provided with casing head ontology, is equipped with mandrel in casing head ontology, the opposite sides of casing head ontology, which is connected with, to be separately connected
There are the first valve mechanism and the first valve mechanism, tubing head is provided at the top of casing head ontology, tubing head is detachable with oil pipe
It connects, is set with the first hanger and the second hanger on mandrel, is arranged between the outer wall of mandrel and the inner wall of casing head ontology
There are multiple sealing rings, the section of sealing ring is in U-shape, and multiple convex ribs arranged in parallel are provided in the top planes of sealing ring；It is logical
The improvement for crossing above structure cooperates the setting of multiple hangers so that casing head seals using the structure setting of multiple sealing rings
Performance is stronger, to effectively improve the sealing performance of casing head part compared to the prior art.
Embodiment two:
Referring to Fig. 1, a kind of applied to oil and gas extraction wellhead device of the utility model embodiment two offer is shown in figure
Monoblock type Fast Makeup Casing Head, the present embodiment are also further made that following as improved skill on the basis of the above embodiments
Art scheme: the opposite sides face 142 of sealing ring 14 forms "eight" shape structure, while can be provided with V-arrangement on side 142
Reinforcing rib can make ring structure more firm, and sealing performance is more preferably.
Embodiment three:
Referring to Fig. 1, a kind of applied to oil and gas extraction wellhead device of the utility model embodiment three offer is shown in figure
Monoblock type Fast Makeup Casing Head, the present embodiment are also further made that following as improved skill on the basis of the above embodiments
Art scheme: being set with third hanger 15 on mandrel 11, the second hanger 13 is located at the first hanger 12 and third hanger 15
Between, third hanger 15 is slips hanger.By the setting of above structure, the installation of mandrel can be made more steady
Gu sealing performance is more preferably.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (5)
1. a kind of monoblock type Fast Makeup Casing Head applied to oil and gas extraction wellhead device, which is characterized in that including casing head ontology
(1), it is equipped with mandrel (11) in described sleeve pipe head ontology (1), the opposite sides of described sleeve pipe head ontology (1) is connected with to be connected respectively
It is connected to the first valve mechanism (2) and the second valve mechanism (3), tubing head (4) are provided at the top of described sleeve pipe head ontology (1),
The tubing head (4) is detachably connected with oil pipe, is set with the first hanger (12) and the second hanger on the mandrel (11)
(13), it is provided with multiple sealing rings (14) between the outer wall of the mandrel (11) and the inner wall of described sleeve pipe head ontology (1), it is described
The section of sealing ring (14) is in U-shape, and is provided with multiple convex ribs arranged in parallel in the top planes of the sealing ring (14)
(141)。
2. a kind of monoblock type Fast Makeup Casing Head applied to oil and gas extraction wellhead device according to claim 1, feature exist
In the opposite sides face (142) of the sealing ring (14) forms "eight" shape structure.
3. a kind of monoblock type Fast Makeup Casing Head applied to oil and gas extraction wellhead device according to claim 1, feature exist
In first hanger (12) is W-shaped slips hanger.
4. a kind of monoblock type Fast Makeup Casing Head applied to oil and gas extraction wellhead device according to claim 1, feature exist
In second hanger (13) is mandrel type hanger.
5. a kind of according to claim 1, monoblock type Fast Makeup Casing Head applied to oil and gas extraction wellhead device described in 3 or 4, special
Sign is, is set with third hanger (15) on the mandrel (11), and second hanger (13) is located at first suspension
Between device (12) and the third hanger (15), the third hanger (15) is slips hanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821335926.6U CN209053580U (en) | 2018-08-17 | 2018-08-17 | A kind of monoblock type Fast Makeup Casing Head applied to oil and gas extraction wellhead device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821335926.6U CN209053580U (en) | 2018-08-17 | 2018-08-17 | A kind of monoblock type Fast Makeup Casing Head applied to oil and gas extraction wellhead device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209053580U true CN209053580U (en) | 2019-07-02 |
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ID=67047542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821335926.6U Expired - Fee Related CN209053580U (en) | 2018-08-17 | 2018-08-17 | A kind of monoblock type Fast Makeup Casing Head applied to oil and gas extraction wellhead device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209053580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387754A (en) * | 2022-08-26 | 2022-11-25 | 江苏腾龙石化机械有限公司 | High-pressure two-stage integral casing head |
-
2018
- 2018-08-17 CN CN201821335926.6U patent/CN209053580U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387754A (en) * | 2022-08-26 | 2022-11-25 | 江苏腾龙石化机械有限公司 | High-pressure two-stage integral casing head |
| CN115387754B (en) * | 2022-08-26 | 2023-05-05 | 江苏腾龙石化机械有限公司 | High-pressure two-stage integral casing head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190702 Termination date: 20210817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |