CN208777944U - A kind of well cementation well head connection sealing device - Google Patents
A kind of well cementation well head connection sealing device Download PDFInfo
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- CN208777944U CN208777944U CN201821390834.8U CN201821390834U CN208777944U CN 208777944 U CN208777944 U CN 208777944U CN 201821390834 U CN201821390834 U CN 201821390834U CN 208777944 U CN208777944 U CN 208777944U
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- sealing ring
- head
- well
- wall
- cementing
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Abstract
The utility model relates to reinforcing oil well technical field, in particular to a kind of well cementation connects sealing device with well head.The cementing head ready-packaged joint lower end surface lower end installation sealing ring of the device simultaneously seals between sealing ring, sealing ring end face lower end setting vulcanization component, landing joint upper end holds out against the vulcanization component and forms sealing between sealing ring, lock sleeve is articulated on cementing head ready-packaged joint outer wall end face, landing joint outer wall end face is placed on connection chassis interior step surface, and lock sleeve is connected with pedestal is connect.The utility model, which realizes, can quickly connect cementing cement head and landing joint, and it is firm to connect, and sealing performance is reliable, on-site personnel operation is very simple and safe, has evaded operating risk, and used unit is fabricated using high-strength alloy structural steel, bearing strength is high, and service life is guaranteed.
Description
Technical field:
The utility model relates to reinforcing oil well technical field, in particular to a kind of well cementation connects sealing device with well head.
Background technique:
Currently, the wellhead assembly that cementing operation both at home and abroad uses is mainly cementing cement head, realized by cementing cement head
The cementing operations such as the note of cement slurry replaces, well head builds the pressure.By field research, it is found that cementing cement head is outstanding when connecting with landing joint
It is large scale cementing cement head, there is a problem of screwed connection difficulty, directly affects the operation of cementing head in-site installation and cement
Head sealed pressure, once can not tighten in place completely there are screw thread, operation pressure is excessively high to will lead to seal failure, liquid
Body thorn leakage even cementing head collapses the engineering safety problem of well head out.
Utility model content:
The technical problem to be solved by the present invention is to provide a kind of well cementation well heads to connect sealing device, which realizes
Cementing cement head and landing joint can be quickly connected, it is firm to connect, and sealing performance is reliable, and on-site personnel operation is very simple
Single safety has evaded operating risk, and used unit is fabricated using high-strength alloy structural steel, and bearing strength is high, uses the longevity
It orders guaranteed.Existing cementing cement head and the direct screwed connection of landing joint are overcome, connection is difficult, is not connected firmly and leans on, easily leads to
The deficiency of seal failure.
Technical solution adopted in the utility model is: a kind of well cementation well head connection sealing device, including cementing head are fast
Joint, cementing head ready-packaged joint lower end surface lower end installation sealing ring simultaneously seal, sealing ring end face lower end between sealing ring
Setting vulcanization component, landing joint upper end hold out against the vulcanization component and form sealing between sealing ring, and lock sleeve is articulated in cement
On head ready-packaged joint outer wall end face, landing joint outer wall end face is placed on connection chassis interior step surface, lock sleeve with connect pedestal
It is connected.
Vulcanize component to be arranged between sealing ring outer wall and cementing head ready-packaged joint inner wall, landing joint upper end is inserted into sealing
Between ring outer wall and cementing head ready-packaged joint inner wall.
It is sealed between sealing steel ring and cementing head ready-packaged joint by sealing ring.
It is connected between lock sleeve and connection pedestal by trapezoidal thread.
The step surface for capableing of stress is provided on lock sleeve outer wall.
Cementing head ready-packaged joint, lock sleeve, connection pedestal, sealing ring are all made of 35CrMo structural alloy steel and are made.
Vulcanizing component includes skeleton and the saturated nitrile rubber vulcanized on skeleton.
The beneficial effects of the utility model are: the utility model, which realizes, can quickly connect cementing cement head and landing
Section, it is firm to connect, and sealing performance is reliable, and on-site personnel operation is very simple and safe, has evaded operating risk, used unit
It is fabricated using high-strength alloy structural steel, bearing strength is high, and service life is guaranteed.
Detailed description of the invention:
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment:
As shown in Figure 1, a kind of well cementation connects sealing device, including cementing head ready-packaged joint 1, the fast attaching of cementing head with well head
First 1 lower end surface lower end installation sealing ring 3 simultaneously seals between sealing ring 3,3 end face lower end of sealing ring setting vulcanization component 4, connection
7 upper end of epimerite holds out against the vulcanization component 4 and forms sealing between sealing ring 3, and lock sleeve 2 is articulated in cementing head ready-packaged joint 1
On outer wall end face, 7 outer wall end face of landing joint is placed on connection 5 interior step face of pedestal, and lock sleeve 2 is connected with pedestal 5 is connect.
Vulcanize component 4 to be arranged between 1 inner wall of 3 outer wall of sealing ring and cementing head ready-packaged joint, 7 upper end of landing joint is inserted into
Between 1 inner wall of 3 outer wall of sealing ring and cementing head ready-packaged joint.
It is sealed between sealing steel ring 3 and cementing head ready-packaged joint 1 by sealing ring 6.
It is connected between lock sleeve 2 and connection pedestal 5 by trapezoidal thread.
The step surface for capableing of stress is provided on 2 outer wall of lock sleeve.
Cementing head ready-packaged joint 1, lock sleeve 2, connection pedestal 5, sealing ring 3 are all made of 35CrMo structural alloy steel and are made,
Anti- load intensity is high.
Vulcanization component 4 includes skeleton and the saturated nitrile rubber that vulcanizes on skeleton, rubber material intensity is high, it is corrosion-resistant,
Sealability is good.
It is screwed by 2 trapezoidal thread of lock sleeve and firmly connects cementing head ready-packaged joint 1, connection pedestal 5, landing joint 7, and
7 end face of landing joint and vulcanization component 4 form reliable axial seal.It, only need to be on 1 top of cementing head ready-packaged joint when execute-in-place
It is inserted into cementing head ontology, connection manifold can carry out cementing operation operation.
It is understood that being merely to illustrate the utility model above with respect to the specific descriptions of the utility model and not being
It is limited to technical solution described in the utility model embodiment, those skilled in the art should understand that, it still can be with
It modifies to the utility model or equivalent replacement, to reach identical technical effect；Needs are used as long as meeting, all in this reality
Within novel protection scope.
Claims (7)
1. a kind of well cementation connects sealing device with well head, it is characterised in that: including cementing head ready-packaged joint (1), cementing head fast-assembling
Connector (1) lower end surface lower end installation sealing ring (3) simultaneously seals between sealing ring (3), and sulphur is arranged in sealing ring (3) end face lower end
Change component (4), landing joint (7) upper end holds out against the vulcanization component (4) and forms sealing between sealing ring (3), and lock sleeve (2) is hung
It connecing on cementing head ready-packaged joint (1) outer wall end face, landing joint (7) outer wall end face is placed on connection pedestal (5) interior step face,
Lock sleeve (2) is connected with pedestal (5) is connect.
2. well cementation described in accordance with the claim 1 connects sealing device with well head, it is characterised in that: the vulcanization component (4) sets
It sets between sealing ring (3) outer wall and cementing head ready-packaged joint (1) inner wall, landing joint (7) upper end is inserted into sealing ring (3) outer wall
Between cementing head ready-packaged joint (1) inner wall.
3. well cementation described in accordance with the claim 1 connects sealing device with well head, it is characterised in that: the sealing ring (3) and water
It is sealed between mud head ready-packaged joint (1) by sealing ring (6).
4. well cementation described in accordance with the claim 1 connects sealing device with well head, it is characterised in that: the lock sleeve (2) and company
It connects and is connected between pedestal (5) by trapezoidal thread.
5. well cementation described in accordance with the claim 1 connects sealing device with well head, it is characterised in that: lock sleeve (2) outer wall
On be provided with the step surface for capableing of stress.
6. well cementation described in accordance with the claim 1 connects sealing device with well head, it is characterised in that: the cementing head ready-packaged joint
(1), lock sleeve (2), connection pedestal (5), sealing ring (3) are all made of 35CrMo structural alloy steel and are made.
7. well cementation described in accordance with the claim 1 connects sealing device with well head, it is characterised in that: vulcanization component (4) packet
The saturated nitrile rubber for including skeleton and vulcanizing on skeleton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821390834.8U CN208777944U (en) | 2018-08-28 | 2018-08-28 | A kind of well cementation well head connection sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821390834.8U CN208777944U (en) | 2018-08-28 | 2018-08-28 | A kind of well cementation well head connection sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208777944U true CN208777944U (en) | 2019-04-23 |
Family
ID=66158697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821390834.8U Active CN208777944U (en) | 2018-08-28 | 2018-08-28 | A kind of well cementation well head connection sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208777944U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116066007A (en) * | 2022-11-08 | 2023-05-05 | 中国石油天然气集团有限公司 | Cement head sealing device and sealing method |
-
2018
- 2018-08-28 CN CN201821390834.8U patent/CN208777944U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116066007A (en) * | 2022-11-08 | 2023-05-05 | 中国石油天然气集团有限公司 | Cement head sealing device and sealing method |
| CN116066007B (en) * | 2022-11-08 | 2024-03-22 | 中国石油天然气集团有限公司 | Cement head sealing device and sealing method |
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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: 20201109 Address after: No. 6, liupukang, Xicheng District, Beijing 100120 Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: China National Petroleum Corporation Great Wall Drilling Engineering Co.,Ltd. Address before: 124010 Xinglongtai, Liaoning Province, oil street, No. 96, No. Patentee before: China National Petroleum Corporation Great Wall Drilling Engineering Co.,Ltd. |
|
| TR01 | Transfer of patent right |