CN207436990U - A kind of Simple casing head - Google Patents
A kind of Simple casing head Download PDFInfo
- Publication number
- CN207436990U CN207436990U CN201721531204.3U CN201721531204U CN207436990U CN 207436990 U CN207436990 U CN 207436990U CN 201721531204 U CN201721531204 U CN 201721531204U CN 207436990 U CN207436990 U CN 207436990U
- Authority
- CN
- China
- Prior art keywords
- hole
- sealing plate
- suspension assembly
- suspension
- taper plug
- 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.)
- Expired - Fee Related
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- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model discloses a kind of Simple casing heads, are arranged on including body, suspension assembly and taper plug, suspension assembly in body, taper plug is fixed on the both sides of body；Suspension assembly includes suspension housing, pressing plate, sealing plate and studs；Sealing plate is arranged on suspension housing upper end, and pressing plate is arranged on the upside of sealing plate, and studs is also cross sealing plate and pressing plate.Above-mentioned Simple casing head improves its sealing performance by changing the structure of tunica tube head, and then improves its reliability and service life, reduces failure rate and maintenance cost.
Description
Technical field
The utility model is related to oil production equipment fields, and in particular to a kind of Simple casing head.
Background technology
Casing head at land or marine progress drilling well, in order to support, fix the casing string of G.I.H, installs blowout prevention
Device group and other wellhead assemblies, and be connected with screw thread or ring flange with casing top end and be seated a kind of special of outer layer sleeve
Short circuit head.
The casing head of oil exploitation industry is used for the well head of fixed drilling well, wellhead casing pipe column is connected, to support skill
The gravity of art casing and production string seals the annular space between each layer pipe, and for installation preventer, tubing head, production tree provides
Transition connects, and by two side ports on casing head body, can carry out mending the constructions such as crowded mud, monitoring and filling equilibrium liquid
Operation.
Since using the severe of operating mode, the service life and reliability of casing head directly affect the effect of entire oil extraction operation
Rate and cost.
Utility model content
The technical problems to be solved in the utility model is to have overcome the deficiencies of the prior art and provide a kind of Simple casing head,
By changing the structure of tunica tube head, improve its sealing performance, and then improve its reliability and service life, reduce failure rate and
Maintenance cost.
In order to achieve the above objectives, the technical solution adopted in the utility model is：A kind of Simple casing head including body, hangs
Hanging component and taper plug, the suspension assembly are arranged in body, and the taper plug is fixed on the both sides of body；It is described outstanding
Hanging component includes suspension housing, pressing plate, sealing plate and studs；The sealing plate is arranged on suspension housing upper end, the pressure
Plate is arranged on the upside of sealing plate, and the studs is also cross sealing plate and pressing plate.
Further improved as the utility model, the body includes upper flange, suspension assembly fixing groove, taper plug-hole
With conical external screw thread pipe；The upper flange is arranged on the outside of suspension assembly fixing groove, and the taper plug-hole is symmetricly set on suspension
The both sides of component fixing groove, the conical external screw thread pipe are fixed on the downside of suspension assembly fixing groove.
It is further improved as the utility model, 3 grades of stepped holes are equipped in the suspension housing, hole is cone at the middle and upper levels
Shape hole, middle level hole are cylindrical hole with lower floor hole.
Further improved as the utility model, the sealing plate is equipped with locating slot, centre bore and installation through-hole, institute
The both sides that locating slot is symmetricly set on sealing plate are stated, the installation through-hole is evenly distributed on the surrounding of centre bore.
Due to the utilization of above-mentioned technical proposal, the utility model has following advantages compared with prior art：
By changing the structure of tunica tube head, its sealing performance is improved, and then improves its reliability and service life, is reduced
Failure rate and maintenance cost.
Description of the drawings
Technical solutions of the utility model are described further below in conjunction with the accompanying drawings：
Attached drawing 1 is the new schematic cross-sectional view of the utility model；
Attached drawing 2 is the structure diagram of the new central tube of the utility model；
Attached drawing 3 is the broken section structure diagram of the new central tube of the utility model；
Attached drawing 4 is the utility model novel limiting screw bushing structure schematic diagram.
In figure：1st, body；2nd, pressing plate；3rd, studs；4th, sealing plate；5th, taper plug；6th, upper flange；7th, suspension assembly
Fixing groove；8th, taper plug-hole；9th, conical external screw thread pipe；10th, upper strata hole；11st, middle level hole；12nd, lower floor hole；13rd, locating slot；14、
Installation through-hole；15th, centre bore；16th, housing.
Specific embodiment
With reference to specific embodiment, the utility model is described in further detail.
A kind of Simple casing head as shown in Figures 1 to 4, including body 1, suspension assembly and taper plug 5, taper plug
5 have its pressure release effect in emergency circumstances.Long string etc. in suspension assembly is installed, and passes through pressing plate 2 and sealing plate 4 is realized
Connection and sealing.The conical external screw thread pipe 9 of 1 lower end of body is used to connect the equipment such as preventer.
Suspension assembly is arranged in body 1, and taper plug 5 is fixed on the both sides of body 1；Suspension assembly includes suspension housing
16th, pressing plate 2, sealing plate 4 and studs 3；Sealing plate 4 is arranged on 16 upper end of suspension housing, and pressing plate 2 is arranged on sealing plate 4
Upside, studs 3 is also cross sealing plate 4 and pressing plate 2.The quantity of studs 3 determines as needed.
Body 1 includes upper flange 6, suspension assembly fixing groove 7, taper plug-hole 8 and conical external screw thread pipe 9；Upper flange 6 is set
In 7 outside of suspension assembly fixing groove, taper plug-hole 8 is symmetricly set on the lower part both sides of suspension assembly fixing groove 7, conical external screw thread
Pipe 9 is fixed on 7 downside of suspension assembly fixing groove.
It hangs and 3 grades of stepped holes is equipped in housing 16, hole is bellmouth 10 at the middle and upper levels, and middle level hole 11 is circle with lower floor hole 12
Cylindrical hole.Bellmouth 10 has guiding role, middle level hole 11 and lower floor hole 12 and the structure matching of long string.
Sealing plate 4 is equipped with locating slot 13, centre bore 15 and installation through-hole 14, and locating slot 13 is symmetricly set on sealing plate 4
Both sides, installation through-hole 14 is evenly distributed on the surrounding of centre bore 15.Locating slot 13 is matched with hanging the upper flush end of housing 16.
Locating slot 13 is matched with the lower face of pressing plate 4.
It the above is only the concrete application example of the utility model, do not form any limit to the scope of protection of the utility model
System.All technical solutions formed using equivalent transformation or equivalent replacement, all fall within the utility model rights protection scope it
It is interior.
Claims (4)
1. a kind of Simple casing head, it is characterised in that：Including body, suspension assembly and taper plug, the suspension assembly is set
In body, the taper plug is fixed on the both sides of body；The suspension assembly include suspension housing, pressing plate, sealing plate and
Studs；The sealing plate is arranged on suspension housing upper end, and the pressing plate is arranged on the upside of sealing plate, the studs
Also cross sealing plate and pressing plate.
2. a kind of Simple casing head according to claim 1, it is characterised in that：The body includes upper flange, suspension assembly
Fixing groove, taper plug-hole and conical external screw thread pipe；The upper flange is arranged on the outside of suspension assembly fixing groove, the taper plug-hole
The both sides of suspension assembly fixing groove are symmetricly set on, the conical external screw thread pipe is fixed on the downside of suspension assembly fixing groove.
3. a kind of Simple casing head according to claim 1, it is characterised in that：3 grades of stepped holes are equipped in the suspension housing,
Hole is bellmouth at the middle and upper levels for it, and middle level hole is cylindrical hole with lower floor hole.
4. a kind of Simple casing head according to claim 1, it is characterised in that：The sealing plate is equipped with locating slot, center
Hole and installation through-hole, the locating slot are symmetricly set on the both sides of sealing plate, and the installation through-hole is evenly distributed on centre bore
Surrounding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721531204.3U CN207436990U (en) | 2017-11-15 | 2017-11-15 | A kind of Simple casing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721531204.3U CN207436990U (en) | 2017-11-15 | 2017-11-15 | A kind of Simple casing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207436990U true CN207436990U (en) | 2018-06-01 |
Family
ID=62289829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721531204.3U Expired - Fee Related CN207436990U (en) | 2017-11-15 | 2017-11-15 | A kind of Simple casing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207436990U (en) |
-
2017
- 2017-11-15 CN CN201721531204.3U patent/CN207436990U/en not_active Expired - Fee Related
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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: 20180601 Termination date: 20211115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |