CN204532248U - A kind of embedded gate valve type Dual tubing heat extraction wellhead - Google Patents
A kind of embedded gate valve type Dual tubing heat extraction wellhead Download PDFInfo
- Publication number
- CN204532248U CN204532248U CN201520093024.6U CN201520093024U CN204532248U CN 204532248 U CN204532248 U CN 204532248U CN 201520093024 U CN201520093024 U CN 201520093024U CN 204532248 U CN204532248 U CN 204532248U
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- valve
- tubing head
- tubing
- tube
- assembly
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Abstract
The utility model relates to a kind of embedded gate valve type Dual tubing heat extraction wellhead, comprise oil pipe four-way, two-tube tubing head, sealed packing assembly and upper flange composition, described oil pipe four-way upper end is provided with two-tube tubing head, described two-tube tubing head upper end is provided with seal disc assembly, described seal disc assembly is set with upper flange, also comprise secondary tubing nipple assembly, valve seat, valve plate and plug, described secondary tubing nipple assembly is connected with two-tube tubing head looped pipeline one end, described plug is connected with the looped pipeline other end of two-tube tubing head through upper flange, valve seat is provided with between described plug and secondary tubing nipple assembly, valve plate is provided with in described valve seat.The utility model has the following advantages: 1, compact conformation is reasonable, and easy to operate, safety is good; 2, embedded gate valve, reduces tie point, avoids producing with implement of pumping interfering, be convenient to follow-up equipment Installation and Debugging; 3, the adjustable valve plate of annular groove, can carry out micro-change and compensate, avoid variations in temperature to cause seal failure.
Description
Technical field
The utility model relates to oil-field thick-oil thermal recovery well head device, particularly relates to a kind of embedded gate valve type thermal recovery well head device.
Background technology
Along with continually developing of heavy oil wells, Dual tubing heat extraction wellhead is widely used, and can realize oil pumping, steam injection, blowing, well-flushing, sand washing, test, heating mix the oil field operations such as medicine.Test the top that brake valve body is installed on two-tube tubing head body in conventional two-tube thermal production well mouth, communicate with the looped pipeline in two-tube tubing head body; Sealed packing assembly is installed on the top of two-tube tubing head body, communicates with the supervisor in two-tube tubing head body.In Dual tubing heat extraction wellhead use procedure, due to the supervisor in two-tube tubing head body and looped pipeline close together, the oil pumping implement that supervisor connects can produce interference with test brake valve body, be unfavorable for the installation of equipment, the debug time of increase equipment, and can potential safety hazard be caused, be unfavorable for safety in production.
Utility model content
The purpose of this utility model is: provide a kind of gate valve embedded Dual tubing heat extraction wellhead, containing the built-in gate valve controlling looped pipeline connection or close in two-tube tubing head body, be installed on two-tube tubing head side, avoid interfering with implement of pumping, compact conformation, sealing is reliable.
Technical solution of the present utility model is:
A kind of embedded gate valve type Dual tubing heat extraction wellhead, comprise oil pipe four-way, two-tube tubing head, sealed packing assembly and upper flange composition, described oil pipe four-way upper end is provided with two-tube tubing head, described two-tube tubing head upper end is provided with seal disc assembly, described seal disc assembly is set with upper flange, it is characterized in that: also comprise secondary tubing nipple assembly, valve seat, valve plate and plug, described secondary tubing nipple assembly is connected with two-tube tubing head looped pipeline one end, described plug is connected with the looped pipeline other end of two-tube tubing head through upper flange, valve seat is provided with between described plug and secondary tubing nipple assembly, valve plate is provided with in described valve seat.
Further, also comprise annular groove, described annular groove is positioned at the middle part of valve plate.
Further, also comprise main oil pipe pipe nipple, described main oil pipe pipe nipple is connected with the supervisor of two-tube tubing head.
Further, also comprise valve rod and valve gap, described valve rod is connected with valve plate, and described valve gap is sleeved on valve rod.
Further, also comprise test brake valve body body, described test brake valve body body is located at the side of two-tube tubing head, and described valve gap is connected with test brake valve body body.
The utility model has the following advantages: 1, compact conformation is reasonable, and easy to operate, safety is good; 2, embedded gate valve, reduces tie point, avoids producing with implement of pumping interfering, be convenient to follow-up equipment Installation and Debugging; 3, the adjustable valve plate of annular groove, can carry out micro-change and compensate, avoid variations in temperature to cause seal failure.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is valve plate schematic diagram.
Description of reference numerals:
1. oil pipe four-way, 2. main oil pipe pipe nipple, 3. secondary tubing nipple assembly, 4. two-tube tubing head, 5. valve seat, 6. valve plate, 7. valve gap, 8. valve rod, 9. upper flange, 10. plug, 11. sealed packing assemblies, 12. test brake valve body, 13. annular grooves.
Detailed description of the invention
As shown in Figure 1, a kind of embedded gate valve type Dual tubing heat extraction wellhead comprises: oil pipe four-way 1, main oil pipe pipe nipple 2, secondary tubing nipple assembly 3, two-tube tubing head 4, upper flange 9, plug 10, sealed packing assembly 11, test brake valve body body 12, oil pipe four-way 1 is connected with two-tube tubing head 4 bolt and seals with gasket ring, main oil pipe pipe nipple 2 is threaded with the supervisor in two-tube tubing head 4, secondary tubing nipple assembly 3 is threaded with the looped pipeline in two-tube tubing head 4, plug 10 is threaded with two-tube tubing head 4 looped pipeline top through upper flange 7, sealed packing assembly 11 is arranged between two-tube tubing head 4 and upper flange 9, compressed by upper flange 9, upper flange 9 is connected with two-tube tubing head 4 bolt and seals with gasket ring, valve seat 5 is arranged in two-tube tubing head 4 looped pipeline, valve plate 6 is installed in valve seat 5, valve plate 6 is connected with valve rod 8T type groove, valve gap 7 is connected with test brake valve body body 12 bolt and seals with gasket ring.
As shown in Figure 2, wherein annular groove 13 is offered in the middle part of valve plate 6.
When carrying out steam injection oil pumping operation, close test brake valve body, block plug 10; When carrying out test jobs, pull down plug 10, connecting test equipment, open test brake valve body.
Claims (5)
1. an embedded gate valve type Dual tubing heat extraction wellhead, comprise oil pipe four-way, two-tube tubing head, sealed packing assembly and upper flange composition, described oil pipe four-way upper end is provided with two-tube tubing head, described two-tube tubing head upper end is provided with seal disc assembly, described seal disc assembly is set with upper flange, it is characterized in that: also comprise secondary tubing nipple assembly, valve seat, valve plate and plug, described secondary tubing nipple assembly is connected with two-tube tubing head looped pipeline one end, described plug is connected with the looped pipeline other end of two-tube tubing head through upper flange, valve seat is provided with between described plug and secondary tubing nipple assembly, valve plate is provided with in described valve seat.
2. a kind of embedded gate valve type Dual tubing heat extraction wellhead as claimed in claim 1, it is characterized in that: also comprise annular groove, described annular groove is positioned at the middle part of valve plate.
3. a kind of embedded gate valve type Dual tubing heat extraction wellhead as claimed in claim 1, it is characterized in that: also comprise main oil pipe pipe nipple, described main oil pipe pipe nipple is connected with the supervisor of two-tube tubing head.
4. a kind of embedded gate valve type Dual tubing heat extraction wellhead as claimed in claim 1, it is characterized in that: also comprise valve rod and valve gap, described valve rod is connected with valve plate, and described valve gap is sleeved on valve rod.
5. a kind of embedded gate valve type Dual tubing heat extraction wellhead as claimed in claim 4, is characterized in that: also comprise test brake valve body body, described test brake valve body body is located at the side of two-tube tubing head, and described valve gap is connected with test brake valve body body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520093024.6U CN204532248U (en) | 2015-02-09 | 2015-02-09 | A kind of embedded gate valve type Dual tubing heat extraction wellhead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520093024.6U CN204532248U (en) | 2015-02-09 | 2015-02-09 | A kind of embedded gate valve type Dual tubing heat extraction wellhead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204532248U true CN204532248U (en) | 2015-08-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520093024.6U Active CN204532248U (en) | 2015-02-09 | 2015-02-09 | A kind of embedded gate valve type Dual tubing heat extraction wellhead |
Country Status (1)
| Country | Link |
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| CN (1) | CN204532248U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106111915A (en) * | 2016-07-05 | 2016-11-16 | 江苏金石铸锻有限公司 | Two-tube tubing head casting device |
| CN108049836A (en) * | 2017-12-28 | 2018-05-18 | 中国石油天然气集团公司 | Replacement SAGD wellhead assemblies and its replacing options with pressure |
| CN113027349A (en) * | 2021-04-29 | 2021-06-25 | 盐城市大冈石油工具厂有限责任公司 | Multifunctional polish rod converter |
-
2015
- 2015-02-09 CN CN201520093024.6U patent/CN204532248U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106111915A (en) * | 2016-07-05 | 2016-11-16 | 江苏金石铸锻有限公司 | Two-tube tubing head casting device |
| CN106111915B (en) * | 2016-07-05 | 2018-01-30 | 江苏金石铸锻有限公司 | Two-tube tubing head casting device |
| CN108049836A (en) * | 2017-12-28 | 2018-05-18 | 中国石油天然气集团公司 | Replacement SAGD wellhead assemblies and its replacing options with pressure |
| CN108049836B (en) * | 2017-12-28 | 2024-03-26 | 中国石油天然气集团公司 | Pressurized SAGD wellhead replacement device and replacement method thereof |
| CN113027349A (en) * | 2021-04-29 | 2021-06-25 | 盐城市大冈石油工具厂有限责任公司 | Multifunctional polish rod converter |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |