CN203531813U - Metal sealing slip-type casing hanger - Google Patents
Metal sealing slip-type casing hanger Download PDFInfo
- Publication number
- CN203531813U CN203531813U CN201320600583.2U CN201320600583U CN203531813U CN 203531813 U CN203531813 U CN 203531813U CN 201320600583 U CN201320600583 U CN 201320600583U CN 203531813 U CN203531813 U CN 203531813U
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- metal
- slip
- slips
- ring
- housing
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- Expired - Fee Related
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Abstract
The utility model discloses a metal sealing slip-type casing hanger. A slip-type casing hanger body (2) comprises a slip shell (2-5) and a slip (2-6), wherein the slip (2-6) is located on the upper portion of the slip-type casing hanger body (2), the outer wall of the slip (2-6) is embedded into the inner wall of the slip shell (2-5), the lower side of the slip shell (2-5) is provided with a supporting base (2-3), a rubber sealing ring (2-4) is arranged between the slip shell (2-5) and the supporting base (2-3), the lower side of the supporting base (2-3) is provided with a metal outer taper ring (2-1) and a metal inner taper ring (2-2), the inner wall of the metal outer taper ring (2-1) and the outer wall of the metal inner taper ring (2-2) are in contact, and the upper edge of the metal inner taper ring (2-2) is not lower than the upper edge of the metal outer taper ring (2-1). By means of the two metal taper rings, the metal sealing slip-type casing hanger has high temperature resistance and low temperature resistance, the reserved rubber sealing ring achieves dual sealing protective functions, and safety performance is further improved.
Description
Technical field
The utility model relates to oil drilling field of mechanical technique, specifically a kind of in oil drilling process for the metal sealing slip-type sleeve hanger of suspension sleeve.
Background technology
At present, the sealing of the slip-type sleeve hanger of known casing head adopts rubber seal more, and this sealing Applicable temperature scope is narrower, and when running into high temperature and low temperature, sealing place there will be seepage, and effect is undesirable.
Summary of the invention
The purpose of this utility model is can not be high temperature resistant and the deficiency of low temperature for the rubber seal of existing slip-type sleeve hanger, and a kind of metal sealing slip-type sleeve hanger that makes it have high-and low-temperature resistance performance by metal sealing and rubber seal is provided.
The purpose of this utility model solves by the following technical programs:
A kind of metal sealing slip-type sleeve hanger, it is characterized in that described slip-type sleeve hanger comprises metal outer cone ring, conical ring in metal, supporting seat, rubber seal, slips housing and slips, slips is arranged in the inwall of the top of slip-type sleeve hanger and the outer wall of slips embedding slips housing, the downside of slips housing is provided with between supporting seat and slips housing and supporting seat and is provided with rubber seal, the downside of supporting seat is provided with conical ring in metal outer cone ring and metal, the upper edge that the outer wall of conical ring and the inwall of metal outer cone ring contacts conical ring in connected and metal in metal is not less than the upper edge of metal outer cone ring.
Bulge loop on described supporting seat embeds the bottom of slips housing through rubber seal.
Between the inwall of the outer wall of described slips and slips housing, be provided with joint ring.
Described slips inwall is provided with zigzag steel tooth.
The utility model has the following advantages compared to existing technology:
The utility model as the encapsulant of slip-type sleeve hanger bottom, makes it have high temperature resistant and performance low temperature by conical ring and metal outer cone ring in the metal of use metal material; Still retain rubber seal, play double seal protective effect, further improved security performance simultaneously.
Accompanying drawing explanation
Accompanying drawing 1 is slip-type sleeve hanger structural representation of the present utility model;
Accompanying drawing 2 is slip-type sleeve hanger installment state schematic diagram of the present utility model;
Accompanying drawing 3 is the I part structure for amplifying schematic diagram in accompanying drawing 2;
Accompanying drawing 4 is the not structure for amplifying schematic diagram before pretension of I in accompanying drawing 2 part.
Wherein: 1-housing; 2-slip-type sleeve hanger; 3-jackscrew; 4-sleeve pipe; 2-1-metal outer cone ring; Conical ring in 2-2-metal; 2-3-supporting seat; 2-4-rubber seal; 2-5-slips housing; 2-6-slips.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is further described.
As shown in Figure 1: a kind of metal sealing slip-type sleeve hanger, this slip-type sleeve hanger 2 comprises conical ring 2-2, supporting seat 2-3, rubber seal 2-4, slips housing 2-5 and slips 2-6 in metal outer cone ring 2-1, metal, slips 2-6 is arranged in the inwall of the top of slip-type sleeve hanger 2 and the outer wall of slips 2-6 embedding slips housing 2-5, and the inwall of slips 2-6 is provided with between the outer wall of zigzag steel tooth and slips 2-6 and the inwall of slips housing 2-5 and is provided with joint ring simultaneously; At the downside of slips housing 2-5, be provided with between supporting seat 2-3 and slips housing 2-5 and supporting seat 2-3 and be provided with rubber seal 2-4 in addition, the bottom that bulge loop on supporting seat 2-3 embeds slips housing 2-5 through rubber seal 2-4 is with reinforced seal effect, the downside of supporting seat 2-3 is provided with conical ring 2-2 in metal outer cone ring 2-1 and metal, and the upper edge that in metal, the outer wall of conical ring 2-2 and the inwall of metal outer cone ring 2-1 contacts conical ring 2-2 in connected and metal is not less than the upper edge of metal outer cone ring 2-1.
Structural representation when the utility model is used as shown in Figure 2, slip-type sleeve hanger 2 is placed on to the upright opening top of housing 1, sleeve pipe 4 is placed in housing 1, now the inwall of the interior conical ring 2-2 of slips 2-6, slips housing 2-5, rubber seal 2-4, supporting seat 2-3 and metal all contacts with the outer wall of sleeve pipe 4 and is connected, and the outer wall of slips housing 2-5, rubber seal 2-4, supporting seat 2-3 and metal outer cone ring 2-1 all contacts with the inwall of housing 1 and is connected, under the effect of sleeve pipe 4 gravity, slips 2-6 can locking sleeve 4, the many jackscrews 3 that housing 1 top arranges are in addition positioned at the top, outside of slips housing 2-5 and the lower edge of jackscrew 3 lower than the upper edge of the slips housing 2-5 in relaxation state, jackscrew 3 is the interior precession of phase housing 1 under artificial or mechanism, jackscrew 3 compresses on the conical ring 2-2 in gravity is delivered to the metal of slip-type sleeve hanger 2 bottoms gradually and metal outer cone ring 2-1 of the active force of slips housing 2-5 and sleeve pipe 4, under the double action of jackscrew 3 and sleeve pipe 4, in metal, between conical ring 2-2 and metal outer cone ring 2-1, deform, in metal, conical ring 2-2 moves down inwall and the sleeve pipe 4 of conical ring 2-2 in metal is adjacent to, the outer wall of metal outer cone ring 2-1 and housing 1 inwall are adjacent to, in metal, the outer wall of conical ring 2-2 and the inwall of metal outer cone ring 2-1 are adjacent to, thereby reach the effect of metal and metal sealing, in addition, the rubber seal 2-4 of slip-type sleeve hanger 2 interior settings is as auxiliary seal, under the effect of making a concerted effort, make rubber seal 2-4 deform in the above, the inwall of rubber seal 2-4 and sleeve pipe 4 are adjacent to, the inwall of the outer wall of rubber seal 2-4 and housing 1 is adjacent to, and the contact surface of rubber seal 2-4 and supporting seat 2-3 and slips housing 2-5 is adjacent to, thereby reach the effect of auxiliary seal.Fig. 3 is the local sectional drawing in Fig. 2 in addition, and its amplification has shown that slip-type sleeve hanger is arranged on the state in housing, and now in metal, the upper edge of conical ring 2-2 is mutually concordant with the upper edge of metal outer cone ring 2-1; Fig. 4 is also the local sectional drawing in Fig. 2, and its amplification has shown state when slip-type sleeve hanger is placed in housing but does not adopt jackscrew pretension, now in metal the upper edge of conical ring 2-2 higher than the upper edge of metal outer cone ring 2-1.
The utility model as the encapsulant of slip-type sleeve hanger 2 bottoms, makes it have high temperature resistant and performance low temperature by conical ring 2-2 and metal outer cone ring 2-2 in the metal of use metal material; Still retain rubber seal 2-4, play double seal protective effect, further improved security performance simultaneously.
Above embodiment is only explanation technological thought of the present utility model, can not limit protection domain of the present utility model with this, every technological thought according to the utility model proposes, any change of doing on technical scheme basis, within all falling into the utility model protection domain; The technology that the utility model does not relate to all can be realized by prior art.
Claims (4)
1. a metal sealing slip-type sleeve hanger, it is characterized in that described slip-type sleeve hanger (2) comprises metal outer cone ring (2-1), conical ring (2-2) in metal, supporting seat (2-3), rubber seal (2-4), slips housing (2-5) and slips (2-6), slips (2-6) is arranged in the inwall of the top of slip-type sleeve hanger (2) and the outer wall of slips (2-6) embedding slips housing (2-5), the downside of slips housing (2-5) is provided with between supporting seat (2-3) and slips housing (2-5) and supporting seat (2-3) and is provided with rubber seal (2-4), the downside of supporting seat (2-3) is provided with conical ring (2-2) in metal outer cone ring (2-1) and metal, in metal, the outer wall of conical ring (2-2) and the inwall of metal outer cone ring (2-1) contact the upper edge that upper edge connected and the interior conical ring (2-2) of metal is not less than metal outer cone ring (2-1).
2. metal sealing slip-type sleeve hanger according to claim 1, is characterized in that the bulge loop on described supporting seat (2-3) embeds the bottom of slips housing (2-5) through rubber seal (2-4).
3. metal sealing slip-type sleeve hanger according to claim 1, is characterized in that being provided with joint ring between the outer wall of described slips (2-6) and the inwall of slips housing (2-5).
4. according to the metal sealing slip-type sleeve hanger described in claim 1 or 3, it is characterized in that the inwall of described slips (2-6) is provided with zigzag steel tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320600583.2U CN203531813U (en) | 2013-04-26 | 2013-09-27 | Metal sealing slip-type casing hanger |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320253051.6 | 2013-04-26 | ||
| CN201320253051 | 2013-04-26 | ||
| CN201320600583.2U CN203531813U (en) | 2013-04-26 | 2013-09-27 | Metal sealing slip-type casing hanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203531813U true CN203531813U (en) | 2014-04-09 |
Family
ID=50418035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320600583.2U Expired - Fee Related CN203531813U (en) | 2013-04-26 | 2013-09-27 | Metal sealing slip-type casing hanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203531813U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443066A (en) * | 2014-09-24 | 2016-03-30 | 中国石油天然气股份有限公司 | Low temperature-resistant oil pipe hanger |
| CN108979613A (en) * | 2018-09-04 | 2018-12-11 | 盐城市崇达石化机械有限公司 | A kind of energy conservation combined pressure device for fracturing wellhead |
| CN110107247A (en) * | 2019-05-30 | 2019-08-09 | 广州加士特密封技术有限公司 | A kind of slip seals structure |
-
2013
- 2013-09-27 CN CN201320600583.2U patent/CN203531813U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443066A (en) * | 2014-09-24 | 2016-03-30 | 中国石油天然气股份有限公司 | Low temperature-resistant oil pipe hanger |
| CN105443066B (en) * | 2014-09-24 | 2018-02-02 | 中国石油天然气股份有限公司 | A kind of low temperature resistant boll-weevil hanger |
| CN108979613A (en) * | 2018-09-04 | 2018-12-11 | 盐城市崇达石化机械有限公司 | A kind of energy conservation combined pressure device for fracturing wellhead |
| CN110107247A (en) * | 2019-05-30 | 2019-08-09 | 广州加士特密封技术有限公司 | A kind of slip seals structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20180927 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |