CN206592093U - Change wellhead connector in oil field four - Google Patents
Change wellhead connector in oil field four Download PDFInfo
- Publication number
- CN206592093U CN206592093U CN201720266318.3U CN201720266318U CN206592093U CN 206592093 U CN206592093 U CN 206592093U CN 201720266318 U CN201720266318 U CN 201720266318U CN 206592093 U CN206592093 U CN 206592093U
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- CN
- China
- Prior art keywords
- pressure cap
- butt tube
- packing
- tube
- big pressure
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- 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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Abstract
Wellhead connector is changed in a kind of oil field four, including：Central tube, body, imported valve, butt tube, big pressure cap, packing, gland, small pressure cap, outlet valve.The body is " ten " character form structure, the upper and lower intermediate symmetry of body is provided with temperature and pressure interface and import, import is provided with imported valve, body two ends are provided with external screw thread, and central tube is located at the centre bore left part of body, and butt tube is located at the centre bore right part of body, butt tube right part be threadedly coupled with big pressure cap center through, provided with annular packing between butt tube left end and big pressure cap, the right of packing is provided with gland, and small pressure cap is threadedly coupled with big pressure cap and compresses packing.Butt tube right-hand member is threadedly coupled with outlet valve.The utility model is applied to oil well without stop well and carries out well yield demarcation, solves the problem of flow connection is cumbersome during the production of oil well mark, and easy to operate, safe and reliable, wide adaptability improves operating efficiency, increases crude output, alleviate worker's labor intensity.
Description
Technical field
The utility model is related to oil field tree yield field calibration wellhead connection device, and well is changed in specifically a kind of oil field four
Mouth connector.
Background technology
, it is necessary to often carry out yield scene mark with weight method and volumetric method to oil well during the metaplasia production of current oil field four
It is fixed.Need that oil well first is stopped into well during nominal output, close production valve and back pressure valve, laid down after emptying at resistance oil nozzle sleeve
Temperature, pressure transmitter, connecting pipeline, open production valve, after driving a well well liquid enter scale car carry out nominal output, demarcation
After yield terminates, then the flow that returns to normal production successively.Field Force's labor intensity in this operating process is carried out is big, stops well
Time is long, and influence oil well is normally produced, and frequently dismounting temperature, pressure transmitter easily causes damage, causes measurement accuracy
Reduction, increases the expenditure of exoil field cost.
The content of the invention
The purpose of this utility model changes wellhead connector aiming at above-mentioned weak point there is provided a kind of oil field four.
The purpose of this utility model is realized by following technical proposals:
The utility model includes：Central tube, body, imported valve, butt tube, big pressure cap, packing, gland, small pressure cap, go out
Mouth valve.The body be " ten " character form structure, the upper and lower intermediate symmetry of body be provided with temperature and pressure interface and import, import be provided with into
Mouth valve, body two ends are provided with external screw thread, and central tube is located at the centre bore left part of body, and the centre bore that butt tube is located at body is right
Portion, butt tube right part is threadedly coupled with big pressure cap center through provided with annular packing, packing between butt tube left end and big pressure cap
The right be provided with gland, small pressure cap is threadedly coupled with big pressure cap and compresses packing, and butt tube right-hand member is threadedly coupled with outlet valve.
The central tube left end that above-mentioned oil field four is changed in wellhead connector is provided with external screw thread, and right-hand member is provided with tapered hole.
The butt tube that above-mentioned oil field four changes in wellhead connector is ladder pipe, and right part is three-level ladder, diameter from the right side to
A left side is increased step by step, and the right part second level is identical with left part diameter, and left end is set to cone, is coordinated with the tapered hole of central tube, right-hand member
Provided with external screw thread.
The big pressure cap that above-mentioned oil field four changes in wellhead connector is three-level ladder pipe overlaying structure, diameter from right to left by
Level is increased, and right-hand member is provided with external screw thread, and center is two-stage shoulder hole, and left part internal diameter is more than right part internal diameter, is equipped with internal thread.
The beneficial effects of the utility model are：Well yield demarcation is carried out suitable for oil well without stop well, the production of oil well mark is solved
The problem of Shi Liucheng connections are cumbersome, extends temperature, pressure transmitter service life, easy to operate, time saving and energy saving, improves work effect
Rate, increases crude output, alleviates worker's labor intensity.
Brief description of the drawings
Fig. 1-the utility model main view full section structural representation
Fig. 2-the utility model field application structural representation
In accompanying drawing, 1. central tubes, 2. bodies, 2-1. temperature and pressure interfaces, 2-2. imports；3. imported valve, 4. butt tubes, 5. is big
Pressure cap, 6. packings；7. gland, 8. small pressure caps, 9. outlet valves, 10. pumping well heads, 11. resistance oil nozzle sleeves, 12. temperature, pressures become
Send device, 13. inlet hoses, 14. scale cars, 15. demarcation measurement instruments, 16. outlet hoses；Y. oil nozzle hole, Z. tapered holes.
Embodiment
Below in conjunction with the accompanying drawings, the utility model will be further described：
As shown in Figure 1 and Figure 2, wellhead connector is changed by central tube 1, body 2, imported valve 3, butt tube 4, big in oil field four
Pressure cap 5, packing 6, gland 7, small pressure cap 8, outlet valve 9 are constituted.The body 2 is " ten " character form structure, during body 2 is upper and lower
Between be arranged with temperature and pressure interface 2-1 and import 2-2, import 2-2 is provided with imported valve 3, and the two ends of body 2 are provided with external screw thread, center
Pipe 1 is located at the centre bore left part of body 2, and the right-hand member of central tube 1 is provided with tapered hole Z, and butt tube 4 is located at the centre bore right part of body 2,
The left end of butt tube 4 is set to cone, coordinates with the tapered hole Z of central tube 1, the right part of butt tube 4 is threadedly coupled with the big center of pressure cap 5
Pass through, provided with annular packing 6 between the left end of butt tube 4 and big pressure cap 5, the right of packing 6 is provided with gland 7, small pressure cap 8 and big pressure
Cap 5, which is threadedly coupled, compresses packing 6, and the right-hand member of butt tube 4 is threadedly coupled with outlet valve 9.
Install and use
First, central tube 1 is threadedly coupled with the oil nozzle hole Y of resistance oil nozzle sleeve 11, body 2 and the plug screw thread of resistance oil nozzle sleeve 11
Connection, temperature, pressure transmitter 12 is installed in the temperature and pressure interface 2-1 of body 2；Next, plus good packing 6, tighten big pressure cap 5；The
Three, butt tube 4 is rotated clockwise, the conical end of butt tube 4 is disengaged with the tapered hole Z of central tube 1, imported valve 3 is closed, goes out
Mouth valve 9, oil well can be produced normally；4th, during oil wells in field nominal output, scale car 14 reaches well site, and demarcation is measured
The inlet hose 13 of utensil 15, outlet hose 16 are connected with outlet valve 9 and imported valve 3 respectively；5th, rotate clockwise pair
Adapter 4, makes the conical end of butt tube 4 be docked with the tapered hole Z of central tube 1, opens outlet valve 9, and produced liquid in oil well enters mark
Determine measurement instrument 15；6th, after metering terminates, outlet valve 9 is closed, butt tube 4 is rotated clockwise, makes the circular cone of butt tube 4
End and the tapered hole Z of central tube 1 are disengaged, and are opened imported valve 3, are returned the well liquid demarcated in measurement instrument 15 using screw pump
Main line, closes imported valve 3；7th, inlet hose 13, outlet hose 16 are pulled down, yield demarcation terminates.In the production of oil well output mark
During, temperature, pressure transmitter 12 is not required to dismounting, so as to extend service life, solves flow connection during the production of oil well mark cumbersome
The problem of, it is easy to operate, it is time saving and energy saving, raising operating efficiency is reached, increases crude output, alleviates the mesh of worker's labor intensity
's.
Claims (4)
1. wellhead connector is changed in a kind of oil field four, including：Central tube（1）, body（2）, imported valve（3）, butt tube（4）, it is big
Pressure cap（5）, packing（6）, gland（7）, small pressure cap（8）, outlet valve（9）；It is characterized in that：The body（2）For " ten " font
Structure, body（2）Upper and lower intermediate symmetry is provided with temperature and pressure interface（2-1）And import（2-2）, import（2-2）Provided with imported valve
（3）, body（2）Two ends are provided with external screw thread, central tube（1）Positioned at body（2）Centre bore left part, butt tube（4）Positioned at body
（2）Centre bore right part, butt tube（4）Right part and big pressure cap（5）Center is threadedly coupled through butt tube（4）Left end and big pressure
Cap（5）Between provided with annular packing（6）, packing（6）The right be provided with gland（7）, small pressure cap（8）With big pressure cap（5）Screw thread connects
Connect packing（6）Compress, butt tube（4）Right-hand member and outlet valve（9）Threaded connection.
2. wellhead connector is changed in oil field four according to claim 1, it is characterized in that：The central tube（1）Left end is provided with outer
Screw thread, right-hand member is provided with tapered hole（Z）.
3. wellhead connector is changed in oil field four according to claim 1, it is characterized in that：The butt tube（4）For ladder pipe, the right side
Portion is three-level ladder, and diameter is increased step by step from right to left, and the right part second level is identical with left part diameter, and left end is set to cone, with
Central tube（1）Tapered hole（Z）Coordinate, right-hand member is provided with external screw thread.
4. wellhead connector is changed in oil field four according to claim 1, it is characterized in that：The big pressure cap（5）For three-level ladder
Pipe overlaying structure, diameter is increased step by step from right to left, and right-hand member is provided with external screw thread, and center is two-stage shoulder hole, and left part internal diameter is more than
Right part internal diameter, is equipped with internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720266318.3U CN206592093U (en) | 2017-03-18 | 2017-03-18 | Change wellhead connector in oil field four |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720266318.3U CN206592093U (en) | 2017-03-18 | 2017-03-18 | Change wellhead connector in oil field four |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206592093U true CN206592093U (en) | 2017-10-27 |
Family
ID=60123534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720266318.3U Expired - Fee Related CN206592093U (en) | 2017-03-18 | 2017-03-18 | Change wellhead connector in oil field four |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206592093U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958405A (en) * | 2017-12-26 | 2019-07-02 | 中国石油化工股份有限公司 | Well mouth of oil well does not stop production and replaces flow path device |
| CN110500075A (en) * | 2019-09-04 | 2019-11-26 | 北京大业嘉成科技有限公司 | A kind of resistance oil nozzle sleeve connector, gas injection well head fluid monitoring pipeline and system |
-
2017
- 2017-03-18 CN CN201720266318.3U patent/CN206592093U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958405A (en) * | 2017-12-26 | 2019-07-02 | 中国石油化工股份有限公司 | Well mouth of oil well does not stop production and replaces flow path device |
| CN109958405B (en) * | 2017-12-26 | 2023-09-12 | 中国石油化工股份有限公司 | Oil well wellhead non-stop production replacement flow device |
| CN110500075A (en) * | 2019-09-04 | 2019-11-26 | 北京大业嘉成科技有限公司 | A kind of resistance oil nozzle sleeve connector, gas injection well head fluid monitoring pipeline and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171027 Termination date: 20180318 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |