CN2851550Y - Novel multifunctional oil thief end cap - Google Patents
Novel multifunctional oil thief end cap Download PDFInfo
- Publication number
- CN2851550Y CN2851550Y CN 200520105696 CN200520105696U CN2851550Y CN 2851550 Y CN2851550 Y CN 2851550Y CN 200520105696 CN200520105696 CN 200520105696 CN 200520105696 U CN200520105696 U CN 200520105696U CN 2851550 Y CN2851550 Y CN 2851550Y
- Authority
- CN
- China
- Prior art keywords
- valve rod
- valve seat
- main body
- plug
- oil
- 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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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a novel multifunctional oil sample sampling end plug sheathed with an oil well, an oil pumping machine well and a well mouth lip, which is mainly composed of a main body of the end plug, a valve rod 1, a valve rod 2, a valve seat, a meter joint, an oil sample sampling mouth, a handle, etc., wherein an oil flow passage controlled by the two valve rods which are connected in series is arranged in the main body of the end plug. The handle with a square hole and a handle rod are operated to cause two valves to be opened or tightly closed, thereby, the multiple functions of seeing pressure, sampling oil samples and emptying pressure are realized. The utility model efficiently solves problem that the utility model has difficulty in seeing pressure and sampling oil samples because of freezing the well opening in winter, and has the advantages of simple structure, easy use, safety, etc.
Description
Affiliated technical field
The utility model relates to a kind of plug that draws oil sample, and belongs to oilfield, rod-pumped well well head mouthpiece cover corollary apparatus annex.
Background technology
The plug of oil well, rod-pumped well well head mouthpiece suit is to be made of the main body of being with screw thread at present, and its effect only is the effect of playing shutoff mouthpiece cover.Well head pressure table, oil sampling nozzle respectively are installed on the front and back position of mouthpiece cover, and used pipe fitting is many, and pipeline is long, and freeze winter easily, and the build-up of pressure table is malfunctioning, and difficulty draws oil sample.
Summary of the invention
In order to overcome the shortcoming of prior art, the utility model provides a kind of multifunctional choke plug for oil sample fetching.
The technical scheme that its technical problem that solves the utility model adopts is: be provided with the path of two valve rods series connection control in the plug main body, path is formed by cavity main bodies in two, valve seat one, valve rod one, valve seat one inner chamber, intercommunicating pore, dead plug, valve seat two, valve rod two, valve seat two inner chambers, oil sampling nozzle, meter connector.They are respectively to be threaded on two interior cavity main bodies.Be provided with between two valve seat paths by adorning manometric meter connector, meter connector communicates with path.The joint that draws oil sample is located on the valve seat two aperture paths of being controlled by valve rod two.Valve rod one is being controlled the Push And Release in valve seat one aperture.Valve rod two is being controlled the Push And Release in valve seat two apertures.
The another kind of technical scheme that its technical problem that solves the utility model adopts is: be provided with the path of two valve rods series connection control in the plug main body, path is formed by cavity main body, valve seat, long valve rod, short valve rod oil sampling nozzle in single.Inner chamber communicates respectively at valve seat, meter connector, oil sampling nozzle.Valve seat is provided with an inclined to one side hole, and an end in hole is interior six sides holes, and the other end is the valve seat aperture, opens or close dead by the end-cone face control of long valve rod.The cavity main body setting screw on the end face that is threaded with valve seat in single.The front end of short valve rod is provided with the oblique taper seat of inclination backward that matches with the valve rod aperture, is used for controlling the unlatching of oil sampling nozzle or closes dead.They are respectively by being threaded on single interior cavity main body.
The beneficial effects of the utility model are: when valve rod two is closed, open valve rod one and can see pressure value, open valve rod two again and can draw oil sample, when valve rod one is closed, the emptying pressure meter made zero when valve rod two was opened, can efficiently solve winter well head endure cold see pressure draw oil sample the difficulty problem.
Description of drawings:
Below in conjunction with drawings and Examples the utility model is further specified:
Fig. 1, be structural representation of the present utility model
Fig. 2, be another structural representation of the present utility model.
Among Fig. 1: 1. pressure meter, 2. meter connector, 3. pair in cavity main body, 4. square hole handgrip, 5. nut, 6. handle stem, 7. nut, 8. handwheel body, 9. oil sampling nozzle, 10. valve seat two inner chambers, 11. valve rods two, 12. valve seat two apertures, 13. valve seats, two, 14. intercommunicating pores, 15. valve rod one, 16. valve seat one inner chamber, 17. valve seats, one aperture, 18. the dead plug of valve seat one .19., 20. sealing rings, 21. sealing rings.
Among Fig. 2: 22. pressure meters, 23. meter connectors, 24. single interior cavity main bodies, 25. the square hole handgrip, 26. nuts, 27. nuts, 28. the handwheel body, 29. handle stems, 30. sealing rings, 31. sealing ring, 32. oil sampling nozzles, 33. valve rod apertures, 34. short valve rod, 35. cavitys, 36. long valve rods, 37. the valve seat aperture, 38. valve seats, 39. dog screws.
The specific embodiment:
Among Fig. 1, multifunctional choke plug for oil sample fetching puts to be threaded in the oil well mouthpiece, and meter connector 2 and valve seat one inner chamber 16 communicate.The taper seat of valve rod one 15 forward ends contacts with valve seat one aperture 17, in order to close or to connect.Valve seat one 18 centers of making are through hole, and an end is interior six sides, and for loading and unloading usefulness, an end is valve seat one aperture 17.Be threaded in addition on two interior cavity main bodies 3.Valve rod one 15 one ends are taper seat, and the other end is provided with square hole handgrip 4, and the screw thread that the middle part is provided with and two interior cavity main body 3 matches reaches the groove that matches with sealing ring 21.Oil sampling nozzle 9 is to be threaded in valve seat two inner chambers 10.Valve seat 2 13 centers of making are through hole, and an end is that interior six sides supply loading and unloading usefulness, and an end is valve seat two apertures 12, is threaded in addition in the screwed hole on two interior cavity main bodies 3.Valve rod 2 11 1 ends are taper seat, by with the contacting of valve seat two apertures 12, oil sampling nozzle 9 is closed or is connected in realization, the other end is provided with for the handwheel body 8 of operation usefulness and handle stem 6 etc., the screw thread that the middle part is provided with and two interior cavity main body 3 matches, reach the groove that matches with sealing ring 20, interior six sides that dead plug 19 outer ends are provided with for loading and unloading usefulness cheat.Communicate with intercommunicating pore 14, valve seat 2 13 at dead plug 19 formed inner chambers.
In Fig. 2 by cavity main body 24, valve seat 38 formed inner chambers in single, being communicated with the taper seat that meter connector 23, oil well mouthpiece cover, oil sampling nozzle 32, valve seat 38 be provided with valve seat aperture 37 and long valve rod 36 respectively matches, and on same straight line, valve seat 38 front ends are made interior six sides hole for loading and unloading usefulness, are threaded in addition on single interior cavity main body 24.Oil sampling nozzle 32 is controlled by short valve rod 34.It is cone shape that long valve rod 36 is made an end, and other end band tetragonal body and square hole handgrip 25 match, middle to be threaded on single interior cavity main body 24.Be provided with the groove that matches with sealing ring 31, short valve rod 34 is designed to an end oblique taper seat of inclination backward, the other end is provided with for tetragonal body and handwheel body 28 by dress handle stem 29 usefulness, the front portion is provided with elongated slot, the middle part is established left hand thread and is connected on single interior cavity main body 24, and be provided with the groove that matches with sealing ring 30, with antiseep.
Claims (7)
1, is used for the oil field shaft mouth multifunctional choke plug for oil sample fetching, it is characterized in that: be provided with the path of being controlled by the series connection of two needle valves in the plug main body, path can be designed to respectively be formed by cavity main body (3) valve seat one (18), valve rod one (15), valve seat one inner chamber (16), intercommunicating pore (14), dead plug (19), valve seat two (13), valve rod two (11), valve seat two inner chambers (10), oil sampling nozzle (9) in two; Cavity main body (24) valve seat (38), cavity (35), long valve rod (36), short valve rod (34) oil sampling nozzle (32) form in single.
2, the plug that draws oil sample according to claim 1, it is characterized in that: cavity main body (3) can design the through hole of two different-diameters in two, through hole two head part are not provided with internal thread, in be provided with intercommunicating pore (14), periphery one end of cavity main body (3) is an external screw thread in two, one end is cubic body, and central part is established the meter connector (2) and the internal thread that is connected oil sampling nozzle (9) that connects pressure meter (1).
3, the plug that draws oil sample according to claim 1 is characterized in that: valve seat one (18), valve seat two (13) centers are through hole, and an end is interior hexagon, and external surface is an external screw thread.
4, the plug that draws oil sample according to claim 1 is characterized in that: an end of valve rod one (15), valve rod two (11) is a cylinder, and end face is a taper seat, the middle part have and two in the external screw thread that cooperates of cavity main bodies (3), and and the groove of sealing ring (21) cooperation.
5, the plug that draws oil sample according to claim 1 is characterized in that: the outer face of dead plug (19) is provided with interior six sides hole, and external screw thread is established on the face of cylinder.
6, the plug that draws oil sample according to claim 1, it is characterized in that: by cavity main body (24) in single, the formed inner chamber of valve seat (38), be communicated with meter connector (23) respectively, oil well mouthpiece cover, oil sampling nozzle (32), it is that the taper seat of valve seat aperture (37) and long valve rod (36) matches that valve seat (38) is provided with inclined to one side through hole one end, and on a concentric straight line, valve seat (38) front end is made interior six sides hole, be threaded in addition on single interior cavity main body (24), it is cone shape that long valve rod (36) is made an end, the other end has tetragonal body and square hole handgrip (25) matches, be threaded in beyond middle on single interior cavity main body (24), short valve rod (34) is designed to an end oblique taper seat of inclination backward, the other end is established for the tetragonal body by dress handwheel body (28), the front portion is provided with elongated slot, the middle part is established left hand thread and is connected on single interior cavity main body (24), at the groove that the middle part is provided with and sealing ring (31) cooperates of long valve rod (36) and short valve rod (34).
7, the plug that draws oil sample according to claim 6 is characterized in that handwheel body (28) is that an end face is the pipe of inner convex platform, and boss is a square, and there are two holes of symmetry the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520105696 CN2851550Y (en) | 2005-09-01 | 2005-09-01 | Novel multifunctional oil thief end cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520105696 CN2851550Y (en) | 2005-09-01 | 2005-09-01 | Novel multifunctional oil thief end cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2851550Y true CN2851550Y (en) | 2006-12-27 |
Family
ID=37585506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520105696 Expired - Fee Related CN2851550Y (en) | 2005-09-01 | 2005-09-01 | Novel multifunctional oil thief end cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2851550Y (en) |
-
2005
- 2005-09-01 CN CN 200520105696 patent/CN2851550Y/en not_active Expired - Fee Related
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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: 20061227 |