CN204252918U - A kind of wellhead for production - Google Patents
A kind of wellhead for production Download PDFInfo
- Publication number
- CN204252918U CN204252918U CN201420779037.4U CN201420779037U CN204252918U CN 204252918 U CN204252918 U CN 204252918U CN 201420779037 U CN201420779037 U CN 201420779037U CN 204252918 U CN204252918 U CN 204252918U
- Authority
- CN
- China
- Prior art keywords
- tubing hanger
- arranges
- wellhead
- hole
- oil transportation
- 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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- Earth Drilling (AREA)
Abstract
The utility model relates to a kind of wellhead for production, comprise four entire bodies, described four entire body lower ends are lower flange face end, upper end is upper flange surface end, the pilot hole connecting lower flange face end and upper flange surface end center is set in described four entire bodies, in described pilot hole, tubing hanger is set, the lower end of described tubing hanger is reducing tapered portion, the cylindrical surface of the top end face of tubing hanger arranges protruding circle portion, and described tubing hanger arranges the first sealing ring at the cylindrical surface near reducing tapered portion, tubing hanger arranges the second sealing ring at the cylindrical surface up and down in projection circle portion, the center of described tubing hanger arranges oil transportation hole along its length, and tubing hanger is symmetrical arranged the side opening be communicated with oil transportation hole.The utility model compact conformation, reduces manufacturing cost, and good airproof performance effectively reduces crude oil leakage, avoids energy waste, decreases environment pollution.
Description
Technical field
The utility model relates to oil extraction in oil field wellhead equipment technical field, particularly relates to a kind of wellhead for production.
Background technology
At present, the aboveground widely used wellhead assembly of oil extraction in oil field is conventional wellhead for production, and control head during this oil well operation, has the advantages such as pressure-bearing is high, easy to operate, not only can be used for recovering the oil, the underground work such as water filling, pressure break, acidifying, well-flushing can also be used for, but existing wellhead assembly to there is structure not compact, volume is large, the problem of sealing difference, often there is the phenomenon of leakage of oil in wellhead assembly, not only wastes energy, and contaminated environment.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of wellhead for production, compact conformation, reduces manufacturing cost, good airproof performance, effectively reduce crude oil leakage, avoid energy waste, decrease environment pollution.
The utility model is achieved through the following technical solutions: a kind of wellhead for production, comprise four entire bodies, described four entire body lower ends are lower flange face end, upper end is upper flange surface end, the pilot hole connecting lower flange face end and upper flange surface end center is set in described four entire bodies, in described pilot hole, tubing hanger is set, the lower end of described tubing hanger is reducing tapered portion, the cylindrical surface of the top end face of tubing hanger arranges protruding circle portion, and described tubing hanger arranges the first sealing ring at the cylindrical surface near reducing tapered portion, tubing hanger arranges the second sealing ring at the cylindrical surface up and down in projection circle portion, the center of described tubing hanger arranges oil transportation hole along its length, and tubing hanger is symmetrical arranged the side opening be communicated with oil transportation hole.
Further, end end face center, described lower flange face arranges slotted eye.
Further, described upper flange surface end connects top cover labyrinth.
Further, the shape of described pilot hole and tubing hanger profile match.
Further, the upper end, oil transportation hole of described tubing hanger arranges upper conical connecting hole, and the bottom in oil transportation hole arranges inferior pyramidal connecting hole, described upper conical connecting hole tube connector joint.
Further, the side opening in described oil transportation hole docks with the four-way pipeline of four entire bodies.
Compared with prior art, the beneficial effects of the utility model are: the utility model is made up of the tubing hanger in four entire bodies and four entire bodies, device compact overall structure, reduce manufacturing cost, wherein the pilot hole shape of four entire bodies and tubing hanger profile match, and the bottom of tubing hanger is designed to reducing tapered portion, and the first sealing ring is being set at the cylindrical surface near reducing tapered portion, and protruding circle portion is set at the cylindrical surface of the top end face of tubing hanger, and the second sealing ring is set at the cylindrical surface up and down in projection circle portion, tubing hanger and four entire body connection sealings good, and the design of the projection circle portion of tubing hanger, facilitate tubing hanger and four entire body accurate assemblies, effectively reduce crude oil leakage, avoid energy waste, decrease environment pollution.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of a kind of wellhead for production of the utility model;
Fig. 2 is the cross-sectional view of the utility model four entire body;
Fig. 3 is the cross-sectional view of the utility model tubing hanger.
Wherein: 1, four entire bodies; 2, tubing hanger; 3, union; 4, top cover labyrinth; 5, lower flange face end; 6, upper flange surface end; 7, slotted eye; 8, four-way pipeline; 9, oil transportation hole; 10, inferior pyramidal connecting hole; 11, the first sealing ring; 12, side opening; 13, protruding circle portion; 14, the second sealing ring; 15, upper conical connecting hole; 16, reducing tapered portion; 17, pilot hole.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As Figure 1-3, the utility model relates to a kind of wellhead for production, comprise four entire bodies 1, described four entire body 1 lower ends are lower flange face end 5, upper end is upper flange surface end 6, the pilot hole 17 connecting lower flange face end 5 and upper flange surface end 6 center is set in described four entire bodies 1, in described pilot hole 17, tubing hanger 2 is set, the lower end of described tubing hanger 2 is reducing tapered portion 16, the cylindrical surface of the top end face of tubing hanger 2 arranges protruding circle portion 13, and described tubing hanger 2 arranges the first sealing ring 11 at the cylindrical surface near reducing tapered portion 16, tubing hanger 2 arranges the second sealing ring 14 at the cylindrical surface up and down in projection circle portion 13, the center of described tubing hanger 2 arranges oil transportation hole 9 along its length, and tubing hanger 2 is symmetrical arranged the side opening 12 be communicated with oil transportation hole 9, end 5 end face center, described lower flange face arranges slotted eye 7, described upper flange surface end 6 connects top cover labyrinth 4, shape and tubing hanger 2 profile of described pilot hole 17 match, the upper end, oil transportation hole 9 of described tubing hanger 2 arranges upper conical connecting hole 15, the bottom in oil transportation hole 9 arranges inferior pyramidal connecting hole 10, described upper conical connecting hole 15 tube connector joint 3, the side opening 12 in described oil transportation hole 9 docks with the four-way pipeline 8 of four entire bodies 1.
In sum, the utility model is made up of the tubing hanger 2 in four entire bodies 1 and four entire bodies 1, device compact overall structure, reduce manufacturing cost, wherein pilot hole 17 shape of four entire bodies 1 and tubing hanger 2 profile match, and the bottom of tubing hanger 2 is designed to reducing tapered portion 16, and the first sealing ring 11 is being set at the cylindrical surface near reducing tapered portion 16, and protruding circle portion 13 is set at the cylindrical surface of the top end face of tubing hanger 2, and the second sealing ring 14 is set at the cylindrical surface up and down in projection circle portion 13, tubing hanger 2 and four entire body 1 connection sealings good, and the projection circle portion 13 of tubing hanger 2 designs, facilitate tubing hanger 2 and four entire body 1 accurate assemblies, effectively reduce crude oil leakage, avoid energy waste, decrease environment pollution.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a wellhead for production, comprise four entire bodies (1), it is characterized in that, described four entire bodies (1) lower end is lower flange face end (5), upper end is upper flange surface end (6), the pilot hole (17) connecting lower flange face end (5) and upper flange surface end (6) center is set in described four entire bodies (1), tubing hanger (2) is set in described pilot hole (17), the lower end of described tubing hanger (2) is reducing tapered portion (16), the cylindrical surface of tubing hanger (2) top end face arranges protruding circle portion (13), and described tubing hanger (2) arranges the first sealing ring (11) at the cylindrical surface near reducing tapered portion (16), tubing hanger (2) arranges the second sealing ring (14) at the cylindrical surface up and down in projection circle portion (13), the center of described tubing hanger (2) arranges oil transportation hole (9) along its length, and tubing hanger (2) is symmetrical arranged the side opening (12) be communicated with oil transportation hole (9).
2. a kind of wellhead for production according to claim 1, is characterized in that, end (5) end face center, described lower flange face arranges slotted eye (7).
3. a kind of wellhead for production according to claim 1, is characterized in that, described upper flange surface end (6) connects top cover labyrinth (4).
4. a kind of wellhead for production according to claim 1, is characterized in that, shape and tubing hanger (2) profile of described pilot hole (17) match.
5. a kind of wellhead for production according to claim 1, it is characterized in that, oil transportation hole (9) upper end of described tubing hanger (2) arranges upper conical connecting hole (15), the bottom in oil transportation hole (9) arranges inferior pyramidal connecting hole (10), described upper conical connecting hole (15) tube connector joint (3).
6. a kind of wellhead for production according to claim 1, is characterized in that, the side opening (12) of described oil transportation hole (9) docks with the four-way pipeline (8) of four entire bodies (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420779037.4U CN204252918U (en) | 2014-12-02 | 2014-12-02 | A kind of wellhead for production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420779037.4U CN204252918U (en) | 2014-12-02 | 2014-12-02 | A kind of wellhead for production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204252918U true CN204252918U (en) | 2015-04-08 |
Family
ID=52957238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420779037.4U Expired - Fee Related CN204252918U (en) | 2014-12-02 | 2014-12-02 | A kind of wellhead for production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204252918U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863631A (en) * | 2015-04-22 | 2015-08-26 | 南华大学 | Optimization method for reducing harm of uranium ore gaseous effluents to surrounding environment |
-
2014
- 2014-12-02 CN CN201420779037.4U patent/CN204252918U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863631A (en) * | 2015-04-22 | 2015-08-26 | 南华大学 | Optimization method for reducing harm of uranium ore gaseous effluents to surrounding environment |
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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: 20150408 Termination date: 20151202 |
|
| EXPY | Termination of patent right or utility model |