CN203729937U - Well head device - Google Patents
Well head device Download PDFInfo
- Publication number
- CN203729937U CN203729937U CN201320817760.2U CN201320817760U CN203729937U CN 203729937 U CN203729937 U CN 203729937U CN 201320817760 U CN201320817760 U CN 201320817760U CN 203729937 U CN203729937 U CN 203729937U
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- China
- Prior art keywords
- wellhead assembly
- lubricator
- preventer
- main body
- assembly according
- 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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- 238000004519 manufacturing process Methods 0.000 claims abstract description 30
- 230000003405 preventing effect Effects 0.000 claims abstract description 10
- 229930195733 hydrocarbon Natural products 0.000 claims description 6
- 150000002430 hydrocarbons Chemical class 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 5
- 241000191291 Abies alba Species 0.000 abstract 3
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000021152 breakfast Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a well head device which comprises a Christmas tree and a blowout preventing device. The Christmas tree is used for controlling and adjusting production of oil and gas, and the blowout preventing device is used for preventing blowout. A blowout preventing pipe used for storing bridge plugs of different sizes is detachably connected between the Christmas tree and the blowout preventing device. The inner diameter of the blowout preventing pipe ranges from 130mm to 200mm. The well head device has the advantages that the bridge plugs of the large size can pass through the well head device, and the defect that the bridge plugs can not trip in the well head device in the construction process is avoided; moreover, the well head device has the advantages of being simple in structure and convenient to operate.
Description
Technical field
The utility model relates to oil exploration equipment, relates in particular to a kind of wellhead assembly.
Background technology
Bore in bridging plug pressure break fast, common bridging plug has supporting wellhead assembly at present, if but run into larger sized bridging plug, wellhead assembly just can not meet the demands so, only way is changed a whole set of wellhead assembly exactly, reaches construction requirement, will cause like this construction to stagnate, affect construction progress, and it is very high to change package unit cost.
Utility model content
The technical problems to be solved in the utility model is, can not be by defects such as wellhead assemblies for large scale bridging plug in prior art, a kind of simple in structure, and wellhead assembly that can make large scale bridging plug pass through is provided.
The utility model solves the technical scheme that its technical problem adopts: a kind of wellhead assembly is provided, comprise for controlling and regulate the production tree of production of hydrocarbons and for preventing the preventer of blowout, between described production tree and described preventer, be removably connected with the lubricator for installing different size bridging plug, wherein, the internal diameter of described lubricator is 130mm～200mm.
In wellhead assembly described in the utility model, also comprise the connector being arranged between described lubricator and described production tree, described connector comprises and is fixed on base in the form of annular discs on described production tree; Described base offers perforation vertically, and at least one is around the connecting hole of described perforation; Described base is fixedly connected with described production tree by described connecting hole.
In wellhead assembly described in the utility model, described connector also comprises the circumferential lateral margin court connecting portion that extend to form away from a side of described base and for being connected with described lubricator along described perforation.
In wellhead assembly described in the utility model, described connector is crossover flange.
In wellhead assembly described in the utility model, described lubricator comprises main body, and described main body is penetrated with the through hole for installing described bridging plug vertically;
One end of described main body is for being connected with described preventer is dismountable, and the other end of described main body is for being connected with described connecting portion is dismountable.
In wellhead assembly described in the utility model, on the circumferential lateral wall of described main body one end, be provided with the external screw thread for being connected with described preventer, described preventer is provided with the internal thread suitable with described external screw thread for the one end being connected with described lubricator.
In wellhead assembly described in the utility model, one end of described main body offers the draw-in groove for being connected with described preventer, and described preventer is provided with the buckle suitable with described draw-in groove for the one end being connected with described lubricator.
In wellhead assembly described in the utility model, described main body is also provided with annular protrusion, dismountable the linking together of mode that described connecting portion and described annular protrusion are threaded connection for the other end being connected with described connecting portion.
In wellhead assembly described in the utility model, described preventer is three lock preventers.
In wellhead assembly described in the utility model, described production tree comprises casing head, tubing head and the production tree body for controlling and regulate production of hydrocarbons.
Implement wellhead assembly described in the utility model, there is following beneficial effect: by adopting the larger lubricator of internal diameter size, the bridging plug of large-size can be passed through, solve prior art in work progress, the defect that large-sized bridging plug can not be lowered to, and have simple in structure, the feature of handled easily.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of the wellhead assembly that provides according to one of the utility model preferred embodiment;
Fig. 2 is the structural representation of the lubricator of wellhead assembly shown in Fig. 1;
Fig. 3 is the structural representation of the connector of wellhead assembly shown in Fig. 1.
Detailed description of the invention
In prior art, bridging plug has supporting wellhead assembly, and bridging plug installs in the lubricator of wellhead assembly.In the time needing the bridging plug of large-size, need wellhead assembly to be replaced with the wellhead assembly suitable with this large-size bridging plug, can cause like this construction to stagnate, and it is very high to change the cost of a whole set of wellhead assembly.In order to solve these defects of the prior art, the utility model provides a kind of wellhead assembly, and described wellhead assembly adopts the larger lubricator of internal diameter, and large-size bridging plug can be arranged in this lubricator.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, a kind of wellhead assembly that one of the utility model preferred embodiment provides, described wellhead assembly comprises for controlling and regulate the production tree 1 of production of hydrocarbons and for preventing the preventer 2 of blowout, between production tree 1 and preventer 2, be removably connected with the lubricator 3 for installing different size bridging plug (not indicating on figure), wherein, the internal diameter of lubricator 3 is 130mm～200mm, lubricator 3 the passing through applicable to more large-sized bridging plug of this size.
As Fig. 2 and in conjunction with as shown in Fig. 1, lubricator 3 is roughly the cylinder-like structure of hollow, and it comprises cylindrical main body 31, is penetrated with vertically through hole 32 in main body 31, lubricator 3 is mainly used in installing different size bridging plug, makes different size bridging plug can pass through hole 32.The features such as further, the Main Function of bridging plug is Oil/gas Well sealing, and it has, and working procedure is few, the cycle is short, card envelope position is accurate, because bridging plug is prior art, do not repeat them here.Because the outside dimension of general bridging plug is in the scope of 100mm～130mm, therefore the lubricator 3 of internal diameter within the scope of 130mm～200mm is enough to pass through for the bridging plug of large-size.In the present embodiment, the internal diameter of lubricator 3 is 160mm.
In actual use procedure, one end of lubricator 3 is connected with production tree 1, the other end of lubricator 3 is connected with preventer 2.Concrete, one end of lubricator 3 is fixedly connected with production tree 1 by connector 4, and in the present embodiment, connector 4 is crossover flange.As shown in Figure 4, connector 4 mainly comprises base 41, perforation 42, connecting hole 43 and connecting portion 44.Base 41 is roughly in the form of annular discs, and base 41 offers perforation 42 and at least one connecting hole 43 around described perforation 42 vertically, and base 41 is fixed on production tree 1 by connecting hole 43.Further, the circumferential lateral margin of perforation 42 is towards the connecting portion 44 extending to form away from a side of base 41 for removably connecting with lubricator 3.
Further, main body 31 is fixedly connected with annular protrusion 33 for the one end removably connecting with connecting portion 44, annular protrusion 33 and main body 31 coaxial lines, and the diameter of annular protrusion 33 is greater than the diameter of main body 31.In concrete assembling process, annular protrusion 33 can connect by plug, be threaded or the mode such as snapping and main body 31 is dismountable links together.In addition, described annular protrusion 33 can adopt welding, the mode such as bonding or one-body molded to be fixed on one end of main body 31, or annular protrusion 33 adopts the dismountable one end that is connected to main body 31 of mode such as be threaded.By annular protrusion 33 is set, facilitate the assembling between connecting portion 44 and main body 31.In the present embodiment, the mode being threaded connection between connecting portion 44 and annular protrusion 33 is fixedly connected with, and annular protrusion 33 links together with main body 31 is dismountable, when connecting portion 44 and the uncomfortable timing of annular protrusion 33, annular protrusion 33 is replaced with to the annular protrusion 33 suitable with described connecting portion 44.
Concrete, the other end of lubricator 3 can be threaded connection or the mode such as snapping is connected with preventer 2 is dismountable.In the present embodiment, on the circumferential lateral wall of main body 31 one end, offer the external screw thread (not indicating on figure) for being connected with preventer 2, therefore offer the internal thread suitable with this external screw thread (not indicating on figure) at preventer 2 for the corresponding position being connected with lubricator 3, the mode that preventer 2 is threaded connection is fixedly connected with lubricator 3.
Be understandable that, in other embodiments, on the circumferential lateral wall of main body 31 one end of lubricator 3, offer the draw-in groove (not indicating on figure) for being connected with preventer 2, preventer 2 is provided with the buckle suitable with draw-in groove (not indicating on figure) for the one end being connected with described lubricator 3, and preventer 2 is fixedly connected with lubricator 3 by the mode of snapping.
Concrete, in the present embodiment, preventer 2 adopts three lock preventers, three lock preventers are devices of the conventional security seal that prevents blowout in oil field, are mainly used in closing well head in the operation process such as formation testing, well workover, completion, prevent that gas blowout accident from occurring, and well blowout preventing effect fine, there is the features such as simple in structure, easy to operate, high pressure resistant.Further, production tree 1 mainly comprises casing head, tubing head and the production tree body for controlling and regulate production of hydrocarbons.Because production tree 1 and preventer 2 are prior art, do not repeat them here.
In assembling process, first, lubricator 3 and preventer 2 are fixed together; Secondly, crossover flange is fixed on to production tree 1 one end for being connected with lubricator 3; The 3rd, lubricator 3 and preventer 2 are sling and bridging plug packed in the through hole 31 of lubricator 3; Finally, lubricator 3 is fixedly connected with crossover flange.
In sum, wellhead assembly described in the utility model adopts the larger lubricator 3 of internal diameter size, and the bridging plug of large-size can be passed through, avoided in work progress, the defect that bridging plug can not be lowered to, and have simple in structure, the feature of handled easily.
Although the utility model describes by specific embodiment, it will be appreciated by those skilled in the art that, in the situation that not departing from the utility model scope, can also carry out various conversion and be equal to alternative the utility model.In addition, for particular condition or material, can make various amendments to the utility model, and not depart from scope of the present utility model.Therefore, the utility model is not limited to disclosed specific embodiment, and should comprise the whole embodiments that fall within the scope of the utility model claim.
Claims (10)
1. a wellhead assembly, comprise production tree (1) for controlling and regulate production of hydrocarbons and for preventing the preventer (2) of blowout, it is characterized in that, between described production tree (1) and described preventer (2), be removably connected with the lubricator (3) for installing different size bridging plug, wherein, the internal diameter of described lubricator (3) is 130mm～200mm.
2. wellhead assembly according to claim 1, it is characterized in that, also comprise the connector (4) being arranged between described lubricator (3) and described production tree (1), described connector (4) comprises that being fixed on described production tree (1) goes up base (41) in the form of annular discs; Described base (41) offers perforation (42) vertically, and at least one connecting hole around described perforation (42) (43); Described base (41) is fixedly connected with described production tree (1) by connecting hole described in each (43).
3. wellhead assembly according to claim 2, it is characterized in that, described connector (4) also comprises the circumferential lateral margin court connecting portion (44) that extend to form away from a side of described base (41) and for being connected with described lubricator (3) along described perforation (42).
4. wellhead assembly according to claim 3, is characterized in that, described connector (4) is crossover flange.
5. wellhead assembly according to claim 3, is characterized in that, described lubricator (3) comprises main body (31), and described main body (31) is penetrated with the through hole (32) for installing described bridging plug vertically;
One end of described main body (31) is used for and dismountable connection of described preventer (2), and the other end of described main body (31) is used for and dismountable being connected of described connecting portion (44).
6. wellhead assembly according to claim 5, it is characterized in that, on the circumferential lateral wall of described main body (31) one end, be provided with the external screw thread for being connected with described preventer (2), described preventer (2) is provided with the internal thread suitable with described external screw thread for the one end being connected with described lubricator (3).
7. wellhead assembly according to claim 5, it is characterized in that, one end of described main body (31) offers the draw-in groove for being connected with described preventer (2), and described preventer (2) is provided with the buckle suitable with described draw-in groove for the one end being connected with described lubricator (3).
8. wellhead assembly according to claim 5, it is characterized in that, described main body (31) is also provided with annular protrusion (33) for the other end being connected with described connecting portion (44), dismountable the linking together of mode that described connecting portion (44) and described annular protrusion (33) are threaded connection.
9. wellhead assembly according to claim 1, is characterized in that, described preventer (2) is three lock preventers.
10. wellhead assembly according to claim 1, is characterized in that, described production tree (1) comprises casing head, tubing head and the production tree body for controlling and regulate production of hydrocarbons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320817760.2U CN203729937U (en) | 2013-12-12 | 2013-12-12 | Well head device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320817760.2U CN203729937U (en) | 2013-12-12 | 2013-12-12 | Well head device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203729937U true CN203729937U (en) | 2014-07-23 |
Family
ID=51200017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320817760.2U Expired - Lifetime CN203729937U (en) | 2013-12-12 | 2013-12-12 | Well head device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203729937U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386253A (en) * | 2017-08-02 | 2019-02-26 | 中国石油天然气股份有限公司 | Continuous wax removal system |
| CN110206507A (en) * | 2019-07-01 | 2019-09-06 | 深圳金浦商业运营管理有限公司 | Intelligent well controlled blowout-proof device |
-
2013
- 2013-12-12 CN CN201320817760.2U patent/CN203729937U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386253A (en) * | 2017-08-02 | 2019-02-26 | 中国石油天然气股份有限公司 | Continuous wax removal system |
| CN109386253B (en) * | 2017-08-02 | 2021-08-31 | 中国石油天然气股份有限公司 | Continuous paraffin removal system |
| CN110206507A (en) * | 2019-07-01 | 2019-09-06 | 深圳金浦商业运营管理有限公司 | Intelligent well controlled blowout-proof device |
| CN110206507B (en) * | 2019-07-01 | 2024-03-12 | 深圳金浦商业运营管理有限公司 | Intelligent well control blowout preventer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161219 Address after: Chen Jiang Street 516006 Guangdong province Huizhou City Zhongkai high tech Zone Hui Yuan Road No. 10 Building No. Patentee after: BAIQIN ENERGY TECHNOLOGY (HUIZHOU) CO.,LTD. Address before: 518054 Guangdong city of Shenzhen province Nanshan District Hyde three days of the Central Business Plaza, 7 floor Patentee before: PETRO-KING OILFIELD TECHNOLOGY Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |