CN201377302Y - Oil well casing collection device - Google Patents
Oil well casing collection device Download PDFInfo
- Publication number
- CN201377302Y CN201377302Y CN200920146986U CN200920146986U CN201377302Y CN 201377302 Y CN201377302 Y CN 201377302Y CN 200920146986 U CN200920146986 U CN 200920146986U CN 200920146986 U CN200920146986 U CN 200920146986U CN 201377302 Y CN201377302 Y CN 201377302Y
- Authority
- CN
- China
- Prior art keywords
- well casing
- nozzle
- natural gas
- shell
- housing
- 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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- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
An oil well casing collection device consists of a nozzle, a shell, an intake tube and a mixing tube. The nozzle is connected at the upper part of the shell, the intake tube is installed at the side of the middle part of the shell and the mixing tube is connected with the lower part of the shell by thread. When in use, the oil well casing collection device is installed behind an outlet valve of a Christmas tree, and the intake tube is connected with a sleeve valve. The outlet valve on the Christmas tree is opened to start an oil extractor for production. The extracted liquid with certain pressure enters the oil well casing collection device and the natural gas in the intake tube is sucked to the shell and mixed with the liquid jetted from the nozzle, then enters a collection station through a flow line. When the device is used for collecting natural gas of a pumping well casing, a pump truck is not needed, the equipment expense is not added, the operation is simple, the automation degree is high, the labor intensity is low, the casing gas can be effectively collected, the natural gas can be prevented from being stolen and the natural gas in the casing is prevented from affecting the efficiency of a defueling pump.
Description
One, technical field
The utility model is a kind of wellhead assembly of oil field oil recovery usefulness, is a kind of well casing gas gathering-device.
Two, background technology
In oil field pumping well, all to isolate natural gas in the sleeve pipe, isolated gas pressure is lower than the pressure on the pumpingh well flow line in the sleeve pipe, can not normally be drained on the flow line, natural gas is in sleeve pipe, easy stolen molecule connects away with simple and easy pipeline, causes the wasting of resources, also occurs security incident easily.If the natural gas in the sleeve pipe is not drained, can influence the pump efficiency of oil well pump, even can cause the oil well pump gas lock and can't normally pump, make oil well not fuel-displaced.
Three, summary of the invention
The purpose of this utility model is a kind of well casing gas gathering-device of design, and it can be drained into the sleeve pipe gas of pumpingh well on the flow line, avoids natural gas stolen, avoids the gas influence oil well pump pump efficiency in the sleeve pipe.
The purpose of this utility model is achieved in that it is made up of nozzle, housing, air inlet pipe, mixing tube.Nozzle is connected in housing top, and the bottom of nozzle enters in the housing, and air inlet pipe is installed in side, housing middle part, air inlet pipe and enclosure interior UNICOM, and mixing tube and lower housing portion thread connection, mixing tube top is in the housing.During use, the well casing gas gathering-device is installed in after the fuel-displaced valve on the production tree, can adopts flange to connect, also can adopt welding.Air inlet pipe connects with sleeve valve.When collecting natural gas, open fuel-displaced valve on the production tree, start oil pumper production, the liquid with certain pressure that oil well pump is extracted out enters in the well casing gas gathering-device, spray through nozzle, make it in housing, form low-pressure area, the natural gas in the air inlet pipe is drawn in the housing mixes after flow line enters in the gathering station with the liquid of nozzle ejection.
The beneficial effects of the utility model are: when the utility model is used for oil-pumping well sheath collection natural gas, do not need to use pump truck, do not increase cost of equipment, only need an operator, simple to operate, the automaticity height, labour intensity is low, can effectively collect sleeve pipe gas, can avoid natural gas stolen, avoid the gas influence oil well pump pump efficiency in the sleeve pipe.
Four, description of drawings
Accompanying drawing is the assembling drawing of the utility model embodiment.
Five, the specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described.
Among the figure: the 1st, nozzle, the 2nd, housing, the 3rd, air inlet pipe, the 4th, mixing tube.Be that the utility model is made up of nozzle 1, housing 2, air inlet pipe 3, mixing tube 4.Nozzle 1 is connected in housing 2 tops, and the bottom of nozzle 1 enters in the housing 2, and air inlet pipe 3 is installed in side, housing 2 middle part, air inlet pipe 3 and housing 2 inner UNICOMs, and mixing tube 4 connects with housing 2 lower thread, and mixing tube 4 tops are in the housing 2.During use, the well casing gas gathering-device is installed in after the fuel-displaced valve on the production tree, can adopts flange to connect, also can adopt welding.Air inlet pipe 3 connects with sleeve valve.When collecting natural gas, open fuel-displaced valve on the production tree, start oil pumper production, the liquid of extracting out with certain pressure enters in the well casing gas gathering-device, through nozzle 1 ejection, make it in housing, form low-pressure area, the natural gas in the air inlet pipe is drawn in the housing 2 mixes after flow line enters in the gathering station with the liquid of nozzle 1 ejection.
When the fluid pressure of extracting out not high, when making the utility model can not normally collect natural gas in the sleeve pipe, the fuel-displaced valve on the production tree can be turned down, make it form certain throttling, improve the pressure that enters the liquid in the well casing gas gathering-device, thereby realize the purpose of this utility model.
Claims (1)
1, a kind of well casing gas gathering-device, form by nozzle (1), housing (2), air inlet pipe (3), mixing tube (4), it is characterized in that: nozzle (1) is connected in housing (2) top, the bottom of nozzle (1) enters in the housing (2), air inlet pipe (3) is installed in side, housing (2) middle part, air inlet pipe (3) and the inner UNICOM of housing (2), mixing tube (4) connects with housing (2) lower thread, and mixing tube (4) top is in the housing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920146986U CN201377302Y (en) | 2009-03-26 | 2009-03-26 | Oil well casing collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920146986U CN201377302Y (en) | 2009-03-26 | 2009-03-26 | Oil well casing collection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201377302Y true CN201377302Y (en) | 2010-01-06 |
Family
ID=41517407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920146986U Expired - Fee Related CN201377302Y (en) | 2009-03-26 | 2009-03-26 | Oil well casing collection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201377302Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108181442A (en) * | 2017-12-20 | 2018-06-19 | 中国石油天然气集团公司 | A kind of coal seam gas production well packing CH_4 detection real-time sampling device and its application |
-
2009
- 2009-03-26 CN CN200920146986U patent/CN201377302Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108181442A (en) * | 2017-12-20 | 2018-06-19 | 中国石油天然气集团公司 | A kind of coal seam gas production well packing CH_4 detection real-time sampling device and its application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100106 Termination date: 20110326 |