CN203066923U - Fast installed simple casing head - Google Patents
Fast installed simple casing head Download PDFInfo
- Publication number
- CN203066923U CN203066923U CN 201220756694 CN201220756694U CN203066923U CN 203066923 U CN203066923 U CN 203066923U CN 201220756694 CN201220756694 CN 201220756694 CN 201220756694 U CN201220756694 U CN 201220756694U CN 203066923 U CN203066923 U CN 203066923U
- Authority
- CN
- China
- Prior art keywords
- shell body
- hanger
- casing head
- housing
- cap
- 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 - Lifetime
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Abstract
The utility model discloses a fast installed simple casing head. The fast installed simple casing head comprises a shell body, a hanger, a big splicing cap, seal rings, an inner connector, a discharging control valve, and a casing cap, wherein the shell body of the casing head is a four-way hollow cylinder with the upper portion being thick and the lower portion being thin, the bottom face of the shell body is a tapered threaded hole with the large diameter, the upper face of the shell body is a stepped hole with a large diameter with a large diameter, two tapered threaded holes with relatively small diameters are respectively formed in two sides of the shell body, the hanger and two to three seal rings of the hollow cylinder with the upper portion being thick and the lower portion being thin are pressed tightly in the stepped hole of the upper face of the shell body by the big splicing cap which is hung on the upper portion of the shell body and is connected with the upper end of the shell body in a threaded mode, the inner connector and the discharging valve are arranged inside one tapered threaded hole in one side of the shell body, the casing cap is arranged inside the other threaded hole in the other side of the shell body, and two casing caps can also be respectively arranged inside the tapered threaded holes in the two sides of the shell body. Due to the fact that the big splicing cap tightly presses the hanger, the fast installed simple casing head is very convenient and fast to dismantle and install. Due to the fact that the hanger of the hollow cylinder is installed through the stepped hole, the fast installed simple casing head is high in coaxiality, good in stability, not prone to swing, and is beneficial to well opening sealing.
Description
Technical field
The utility model relates to petroleum machinery, oil recovery (gas) drilling well control head.
Background technology
When the recovery of subterranean oil and natural gas, for the simple well of shallow well, low pressure well and casing programme, simple and easy casing head commonly used is cemented the well.Existing simple and easy casing head is various informative, but comparatively generally adopts upper flange, protecting cover or gland, and a plurality of thread connector carries out the encapsulation of hanger top; In use exist the dismounting trouble, waste time and energy; But also there are sealing effectiveness and the relatively poor problem of safety.
Summary of the invention
The purpose of this utility model is to design a kind of easy accessibility, quick, and good sealing effect, the simple and easy casing head of the reliable a kind of Fast Installation of safety more.
The utility model by housing, hanger, greatly piece together cap, sealing ring, spigot, row controls valve and pipe plug is formed, its unique distinction is: the housing of casing head is for slightly going up thin four-way hollow cylinder down, the bottom surface is a large diameter conical screw hole, be large diameter shoulder hole above, respectively there is a conical screw hole that diameter is less both sides; Hanger and 2～3 road sealing rings of slightly going up thin hollow cylinder down by a big assembly cap that is enclosed within hanger top, uses screw thread and housing upper end to connect, are pressed in the shoulder hole above the housing; In the conical screw hole of housing both sides, spigot, row's control valve and pipe plug are housed respectively.
Because the utility model only compresses hanger with a big assembly cap that is positioned at the housing upper end, so the dismounting hanger is very convenient; In the upper end of housing, with shoulder hole the down thick hanger of thin hollow cylinder is installed, have the axiality height, good stability is difficult for swing, more is conducive to the sealing ring sealing.
Description of drawings
Accompanying drawing 1 is general structure full section schematic diagram of the present utility model;
Accompanying drawing 2 is that the A of upper surface among the utility model Fig. 1 is to schematic diagram;
Component title in the accompanying drawing shown in the label is as follows:
1, housing, 2, hanger, 3, sealing ring, 4, piece together cap greatly, 5, spigot, 6, row's control valve, 7, pipe plug.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
Among Fig. 1, Fig. 2, the utility model is except sealing ring, and all the other are metallic element.Wherein: the housing of casing head (1), hanger (2), piece together cap (4) greatly and sealing ring (3) is major part, constitute agent structure of the present utility model; Spigot (5), row's control valve (6) and pipe plug (7) are related components, can adjust according to customer demand.The housing of casing head (1) is for slightly going up thin four-way hollow cylinder down: the bottom surface is a large diameter conical screw hole, is used for connecting with surface pipe; Be a shoulder hole above, communicate with the major diameter conical screw hole of bottom surface, be used for installing hanger (2); In the thick diameter both sides at housing (1) position, lower middle, the top of bottom surface major diameter conical screw hole, be two radial taper screwed holes that diameter is less, be used for installing spigot (5), row control valve (6) and pipe plug (7) respectively; On the thinner cylindrical of housing (1) upper end diameter, be processed with one section external screw thread, be used for connecting big assembly cap (4).Hanger (2) also is down slightly hollow cylinder thin, with the level, above and below be two relative and communicate conical screw holes, top conical screw hole is for installation, following conical screw hole is used for connecting inner sleeve; On the cylindrical of the thick diameter in hanger (2) below, cut 2～3 road sealing grooves, be used for installing sealing ring (3).Big cap (4) profile of piecing together is oblate, goes up following chamfering, and uniform 3～6 place's radial projection on the circumference are in order to use the instrument dismounting; Be the major thread hole below the big assembly cap (4), use with the external screw thread of housing (1) upper end to connect; Be the less circular hole of diameter above, be used for being enclosed within on the thinner cylinder in hanger (2) top.
When dispatching from the factory assembling, in the seal groove of hanger (2), all add sealing ring (3), a thick end is put into the shoulder hole above the housing (1) downwards, will piece together cap (4) then greatly and be enclosed within on the thinner cylinder in the top of hanger, and connect reliably with the external screw thread of housing (1) upper end.The conical screw hole of housing (1) both sides, measure-alike, a side is installed spigot (5) and row's control valve (6), and opposite side is installed pipe plug (7); Also can in the conical screw hole of housing (1) both sides, two pipe plugs (7) be installed according to customer demand.
Claims (3)
1. simple and easy casing head of Fast Installation, by housing, hanger, greatly piece together cap, sealing ring, spigot, row controls valve and pipe plug is formed, it is characterized in that: the housing of casing head (1) is for slightly going up thin four-way hollow cylinder down, the bottom surface is a large diameter conical screw hole, be large diameter shoulder hole above, respectively there is a conical screw hole that diameter is less both sides; Hanger (2) and 2～3 road sealing rings (3) of slightly going up thin hollow cylinder down by a big assembly cap (4) that is enclosed within hanger (2) top, uses screw thread and housing (1) upper end to connect, are pressed in the shoulder hole above the housing (1); In the conical screw hole of housing (1) both sides, spigot (5), row's control valve (6) and pipe plug (7) are housed respectively.
2. the simple and easy casing head of Fast Installation according to claim 1 is characterized in that: in the conical screw hole of housing (1) both sides, two pipe plugs (7) are installed.
3. the simple and easy casing head of Fast Installation according to claim 1 is characterized in that: it is oblate to piece together cap (4) profile greatly, goes up following chamfering, uniform 3～6 place's radial projection on the circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220756694 CN203066923U (en) | 2012-12-26 | 2012-12-26 | Fast installed simple casing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220756694 CN203066923U (en) | 2012-12-26 | 2012-12-26 | Fast installed simple casing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203066923U true CN203066923U (en) | 2013-07-17 |
Family
ID=48765733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220756694 Expired - Lifetime CN203066923U (en) | 2012-12-26 | 2012-12-26 | Fast installed simple casing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203066923U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989315A (en) * | 2015-05-26 | 2015-10-21 | 美钻能源科技(上海)有限公司 | Center hole sealing and locking apparatus for tubing hanger of underwater horizontal Christmas tree |
| CN105587272A (en) * | 2016-01-28 | 2016-05-18 | 太仓市高泰机械有限公司 | Casing head easy to disassemble and assemble |
| CN108252667A (en) * | 2018-02-27 | 2018-07-06 | 江苏宏泰石化机械有限公司 | A kind of Combined casing head abrasionproof bushing takes out tool |
-
2012
- 2012-12-26 CN CN 201220756694 patent/CN203066923U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989315A (en) * | 2015-05-26 | 2015-10-21 | 美钻能源科技(上海)有限公司 | Center hole sealing and locking apparatus for tubing hanger of underwater horizontal Christmas tree |
| CN105587272A (en) * | 2016-01-28 | 2016-05-18 | 太仓市高泰机械有限公司 | Casing head easy to disassemble and assemble |
| CN108252667A (en) * | 2018-02-27 | 2018-07-06 | 江苏宏泰石化机械有限公司 | A kind of Combined casing head abrasionproof bushing takes out tool |
| CN108252667B (en) * | 2018-02-27 | 2023-11-21 | 江苏宏泰石化机械有限公司 | Combined casing head wear-resistant bushing taking-out tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |
|
| CX01 | Expiry of patent term |