CN201159063Y - Novel simple casing head - Google Patents
Novel simple casing head Download PDFInfo
- Publication number
- CN201159063Y CN201159063Y CNU200820089287XU CN200820089287U CN201159063Y CN 201159063 Y CN201159063 Y CN 201159063Y CN U200820089287X U CNU200820089287X U CN U200820089287XU CN 200820089287 U CN200820089287 U CN 200820089287U CN 201159063 Y CN201159063 Y CN 201159063Y
- Authority
- CN
- China
- Prior art keywords
- casing head
- ring platform
- head housing
- wall
- shell body
- 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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- Earth Drilling (AREA)
Abstract
A novel simple casing head relates to a control device of a well head of an oil natural gas drilling well, which comprises a casing head shell body (1), a hanging assembly (2) and a flange cover (3), wherein a flange (4) is arranged on the upper end of the casing head shell body (1), connecting threads are arranged on the lower end of the casing head shell body (1), an inner cone is arranged on the upper portion of the inner wall of the casing head shell body (1), a pipe line connecting mouth (5) is arranged on the outer wall of the casing head shell body (1), the hanging assembly is a pipe body whose both ends are provided with the connecting threads, a ring platform (6) is arranged on the outer wall of the pipe body, the outer wall of the ring platform (6) is a male cone with big upper portion and small lower portion and is provided with a sealing element (7), the hanging assembly (2) is arranged in the casing head shell body (1), the male cone of the ring platform (6) of the ring platform is matched with the inner cone of the casing head shell body (1), and the hanging assembly (2) is fixed with the casing head shell body (1) through the flange cover (3). The utility model has simple structure, low cost, convenient assembly, safe use and reliability.
Description
Technical field
The utility model relates to the oil and gas well drilling control head, particularly a kind of novel simple casing head.
Background technology
Simple and easy casing head belongs to the oil and gas well drilling control head, is used for the use that is connected between sleeve pipe and the wellhead blowout preventor.Existing simple and easy casing head exist or simple in structure, cost is high, or install and use convenient inadequately, or safe and reliable inadequately shortcoming.
The utility model content
The purpose of this utility model is: a kind of simple in structure, cheap, easy for installation, safe and reliable novel simple casing head is provided.
Technical solution of the present utility model is: it comprises the casing head housing, hang assembly and blind flange, described casing head housing upper end is provided with flange, casing head housing lower end is provided with connecting thread, casing head inner walls top is provided with up big and down small inner conical surface, casing head housing outer wall is provided with the pipeline connector, the pipeline connector is provided with connecting thread, described suspension assembly is the body that two ends are provided with connecting thread, its outer wall is provided with the ring platform, ring platform outer wall is that up big and down small male cone (strobilus masculinus) and ring platform outer wall is provided with seal, hanging assembly places in the casing head housing, the ring platform male cone (strobilus masculinus) that hangs assembly matches with the inner conical surface of casing head housing, hangs assembly and fixes by blind flange and casing head housing.
Technique effect of the present utility model is: it has simple in structure, cheap, easy for installation, safe and reliable advantage.
Description of drawings
Accompanying drawing is a sectional structure chart of the present utility model.
The specific embodiment
As shown in drawings, it comprises casing head housing 1, hang assembly 2 and blind flange 3, described casing head housing 1 upper end is provided with flange 4, casing head housing 1 lower end is provided with connecting thread, casing head housing 1 upper inside wall is provided with up big and down small inner conical surface, casing head housing 1 outer wall is provided with pipeline connector 5, pipeline connector 5 is provided with connecting thread, described suspension assembly 2 is provided with the body of connecting thread for two ends, its outer wall is provided with ring platform 6, ring platform 6 outer walls are that up big and down small male cone (strobilus masculinus) and ring platform 6 outer walls are provided with seal 7, hanging assembly 2 places in the casing head housing 1, ring platform 6 male cone (strobilus masculinus)s that hang assembly 2 match with the inner conical surface of casing head housing 1, hang assembly 2 and fix by blind flange 3 and casing head housing 1.The pipeline connector of establishing on the casing head housing 15 is three circumferential uniform interfaces.Ring platform 6 is the branch body structure that is spirally connected with hanging assembly 2.Ring platform 6 upper surfaces are processed with locating notch.Seal 7 is a copper ring.Blind flange 3 is provided with alignment pin 8.
Claims (6)
1, the novel simple casing head, comprise casing head housing (1), hang assembly (2) and blind flange (3), it is characterized in that, described casing head housing (1) upper end is provided with flange (4), casing head housing (1) lower end is provided with connecting thread, casing head housing (1) upper inside wall is provided with up big and down small inner conical surface, casing head housing (1) outer wall is provided with pipeline connector (5), pipeline connector (5) is provided with connecting thread, described suspension assembly (2) is provided with the body of connecting thread for two ends, its outer wall is provided with ring platform (6), ring platform (6) outer wall is that up big and down small male cone (strobilus masculinus) and ring platform (6) outer wall is provided with seal (7), hanging assembly (2) places in the casing head housing (1), ring platform (6) male cone (strobilus masculinus) that hangs assembly (2) matches with the inner conical surface of casing head housing (1), hangs assembly (2) and fixes by blind flange (3) and casing head housing (1).
2, novel simple casing head as claimed in claim 1 is characterized in that, the pipeline connector of establishing on the described casing head housing (1) (5) is three circumferential uniform interfaces.
3, novel simple casing head as claimed in claim 1 is characterized in that, described ring platform (6) is the branch body structure that is spirally connected with hanging assembly (2).
As claim 1 or 3 described novel simple casing heads, it is characterized in that 4, described ring platform (6) upper surface is processed with locating notch.
5, novel simple casing head as claimed in claim 1 is characterized in that, described seal (7) is a copper ring.
6, novel simple casing head as claimed in claim 1 is characterized in that, described blind flange (3) is provided with alignment pin (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820089287XU CN201159063Y (en) | 2008-02-18 | 2008-02-18 | Novel simple casing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820089287XU CN201159063Y (en) | 2008-02-18 | 2008-02-18 | Novel simple casing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201159063Y true CN201159063Y (en) | 2008-12-03 |
Family
ID=40109649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820089287XU Expired - Lifetime CN201159063Y (en) | 2008-02-18 | 2008-02-18 | Novel simple casing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201159063Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2018227454A1 (en) * | 2017-06-15 | 2018-12-20 | 曹炜 | Oilfield sleeving pipe cap |
-
2008
- 2008-02-18 CN CNU200820089287XU patent/CN201159063Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2018227454A1 (en) * | 2017-06-15 | 2018-12-20 | 曹炜 | Oilfield sleeving pipe cap |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Mudanjiang northern Oilfield Machinery Co., Ltd. Assignor: Yang Hongwei Contract record no.: 2015230000050 Denomination of utility model: Simple casing head Granted publication date: 20081203 License type: Exclusive License Record date: 20150513 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081203 |