CN202381056U - Uniflow valve for oil production by layers - Google Patents
Uniflow valve for oil production by layers Download PDFInfo
- Publication number
- CN202381056U CN202381056U CN2011204761535U CN201120476153U CN202381056U CN 202381056 U CN202381056 U CN 202381056U CN 2011204761535 U CN2011204761535 U CN 2011204761535U CN 201120476153 U CN201120476153 U CN 201120476153U CN 202381056 U CN202381056 U CN 202381056U
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- Prior art keywords
- oil
- flow channels
- layers
- oil production
- valve
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- Expired - Fee Related
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Abstract
The utility model discloses a uniflow valve for oil production by layers, which can achieve oil production operation by the layers of a superimposition oil layer. An overflowing channel and a center channel for connecting a ball valve assembly are arranged in the valve, and the oil production operation by the layers of a plumb shaft, a directional oil well and a highly-deviated well on the upper-and-lower superimposition oil layer is achieved. The uniflow valve is simple in structure, strong in stability, convenient in site operation and capable of avoiding output loss caused by pressure interface between the superimposition oil layers, can be matched with a packer and an oil well pump to work, and improves output of a single well.
Description
Technical field
The utility model relates to a kind of oil production by layer ball-and-seat, belongs to oil gas well oil recovery technique field.
Background technology
The ball-and-seat of on oil well, using has polytype, and like adjustable pressure ball-and-seat, multi-functional single current valve, centrifugal pump anti-plugging check valve etc., but these ball-and-seat structure more complicated have only a flow channels usually, and its purpose mainly realizes the one-way flow of fluid.Realize oil production by layer to the superimposed oil well of upper and lower oil reservoir through the ball-and-seat form, also do not have suitable ball-and-seat structure types to meet the demands at present.
Summary of the invention
The purpose of the utility model is to provide a kind of oil production by layer ball-and-seat, and it can realize the superimposed straight well of upper and lower oil reservoir, directed oil well, high angle hole are carried out the oil production by layer operation.
The concrete technology contents of the utility model is following:
The logical seat of bridge upper and lower connects top connection and lower contact respectively, and the junction is provided with sealing ring.The logical seat of bridge is provided with center flow channels, and the center flow channels side connects inlet opening, and center flow channels top is provided with ball valve and spring, and the center flow channels top is provided with liquid outlet.The center flow channels next door is provided with flow channels.
After completion set, packer was divided into separately independently system with each oil reservoir, and each oil reservoir production fluid passes through the inlet opening entering center flow channels of ball-and-seat separately; Under certain energy pressure; Spring is compressed, and valve ball is opened, and the oil reservoir production fluid gets into oil pipe from liquid outlet; And valve ball can prevent that oil pipe fluid from pouring in down a chimney the oil return layer when closing.Because the connection effect of the utility model flow channels converges each oil reservoir production fluid, and is lifted to ground with oil well pump in the oil pipe under the oil well pump.
The utility model is simple in structure; Compliance is strong; The operation convenient andmeasured cooperates packer and oil well pump, can realize the superimposed straight well of upper and lower oil reservoir, directed oil well, high angle hole are carried out the oil production by layer operation; Avoid causing the phenomenon of production loss, improve well yield because of the pressure disturbances of heat bodied oil interlayer.
Description of drawings
Fig. 1 is an oil production by layer ball-and-seat structural representation.
Fig. 2 adopts tubing string work sketch map for oil well delamination oil recovery ball-and-seat branch.
The specific embodiment
Embodiment:
With reference to Fig. 1 and 2 the embodiment of the utility model is further specified:
The logical seat of bridge 8 upper and lowers be threaded respectively top connection 1 and lower contact 9, the junction is provided with sealing ring 6.The logical seat 8 of bridge is provided with center flow channels, and the center flow channels side connects inlet opening 7, and center flow channels top is provided with ball valve 4 and spring 3, and the center flow channels top is provided with liquid outlet 2.The center flow channels next door is provided with flow channels 5.
Claims (1)
1. oil production by layer ball-and-seat is characterized in that:
The logical seat of bridge (a 8) upper and lower be threaded respectively top connection (1) and lower contact (9), the junction is provided with sealing ring (6); The logical seat of bridge (8) is provided with center flow channels, and the center flow channels side connects inlet opening (7), and center flow channels top is provided with ball valve (4) and spring (3), and the center flow channels top is provided with liquid outlet (2); The center flow channels next door is provided with flow channels (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204761535U CN202381056U (en) | 2011-11-25 | 2011-11-25 | Uniflow valve for oil production by layers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204761535U CN202381056U (en) | 2011-11-25 | 2011-11-25 | Uniflow valve for oil production by layers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202381056U true CN202381056U (en) | 2012-08-15 |
Family
ID=46629569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204761535U Expired - Fee Related CN202381056U (en) | 2011-11-25 | 2011-11-25 | Uniflow valve for oil production by layers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202381056U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089583A (en) * | 2015-07-30 | 2015-11-25 | 中国石油天然气股份有限公司 | Layered controllable oil production pipe column |
| CN105089556A (en) * | 2015-07-30 | 2015-11-25 | 中国石油天然气股份有限公司 | Adjustable slicing mining valve |
-
2011
- 2011-11-25 CN CN2011204761535U patent/CN202381056U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089583A (en) * | 2015-07-30 | 2015-11-25 | 中国石油天然气股份有限公司 | Layered controllable oil production pipe column |
| CN105089556A (en) * | 2015-07-30 | 2015-11-25 | 中国石油天然气股份有限公司 | Adjustable slicing mining valve |
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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: 20120815 Termination date: 20201125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |