CN201218096Y - Multifunctional installation apparatus for oil extraction gas well mouth oil jacket pressure cap - Google Patents
Multifunctional installation apparatus for oil extraction gas well mouth oil jacket pressure cap Download PDFInfo
- Publication number
- CN201218096Y CN201218096Y CNU2008200643171U CN200820064317U CN201218096Y CN 201218096 Y CN201218096 Y CN 201218096Y CN U2008200643171 U CNU2008200643171 U CN U2008200643171U CN 200820064317 U CN200820064317 U CN 200820064317U CN 201218096 Y CN201218096 Y CN 201218096Y
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- CN
- China
- Prior art keywords
- oil
- trap
- pressure
- piston
- stop valve
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- Expired - Fee Related
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Abstract
The utility model provides a multifunctional mounting device used for mounting the end head of an oil jacket at an oil-gas recovering well head. The device mainly comprises a mounting flange, a high-pressure stop valve, a plug and a pressure gauge, a conversion joint is arranged between the high-pressure stop valve and the mounting flange, an oil-trap comprising an oil-trap outer jacket, an oil-trap mandril, a filter screen and a clamping bolt is arranged in an inner cavity at the lower end of the conversion joint, a medium inlet hole is arranged at the periphery of the oil-trap outer jacket, the oil-trap mandril is arranged in the inner cavity of the oil-trap outer jacket, the filter screen is assembled at the tail part of the oil-trap mandril, and is fastened by the clamping bolt, and a through hole is arranged in the clamping bolt. Compared with the prior art, the utility model has the advantages that the impacting and blocking harms of a high-pressure medium acted on the industrial pressure gauge are effectively reduced, the sealing reliability of the device is improved, and the labor intensity of field operating personnel is reduced.
Description
Technical field
The utility model relates to the multi-functional erecting device in oil and gas extraction wellhead oil pressure termination of the on-the-spot usefulness of a kind of petroleum gas production testing operation.
Background technology
At present, in petroleum gas pilot production scene, the frame mode that adopt oil and gas extraction wellhead oil pressure cover termination is: the high pressure high-pressure stop valve directly is connected with mounting flange by plug, connect industrial pressure meter again in the high-pressure stop valve upper end, though it is simple in structure, but the deficiency that exists is: the one, and cause high-pressure medium to manometric direct impact and obstruction injury easily, there is potential safety hazard.The 2nd, because the connecting thread of mounting flange inner chamber and the characteristic threads that the connecting thread on the plug all adopts the plain end oil well pipe button, not only bonding strength difficulty of processing less than normal but also accurate is big, causes bonding strength to be affected, and causes industrial accident.The 3rd, field worker labour intensity is big.
The utility model content
In order to overcome above-mentioned the deficiencies in the prior art, the purpose of this utility model provides the oil and gas extraction wellhead oil jacket pressure side multi-functional erecting device that a kind of safety is good, be easy to accurately process good airproof performance.
Realize that the measure that above-mentioned purpose adopts is: the utility model comprises mounting flange, the high pressure high-pressure stop valve, plug, pressure meter, assembling one crossover sub between high-pressure stop valve and mounting flange, one end spinning of crossover sub is connected in the mounting flange inner chamber, the other end links to each other with high-pressure stop valve by plug, assembling one oil-trap in the inner chamber of crossover sub lower end, oil-trap comprises the oil-trap overcoat, the oil-trap axle, filter screen and hold-down bolt, the periphery of oil-trap overcoat is provided with medium and enters the hole, the oil-trap axle is assemblied in the inner chamber of oil-trap overcoat, and between the inwall of oil-trap overcoat medium channel is arranged, and afterbody is provided with step, filter screen is assemblied on the oil-trap axle afterbody step, and is fastening by hold-down bolt; Be provided with the 3D sealing ring in the lower end of crossover sub spinning in the mounting flange inner chamber, in the thread groove of upper end O-ring seals be set; The central authorities of described hold-down bolt are provided with through hole; The lower end of plug is provided with the 3D sealing ring, is provided with O-ring seals in the upper end snail groove, by screwing in crossover sub upper end inner chamber, crossover sub is linked to each other with the high-pressure stop valve lower end.
A kind of improvement as this programme: on high-pressure stop valve with between the pressure meter, be connected in series a pressure-bearing swivel joint, pressure-bearing spinning joint comprises that piston support seat, piston, piston press cover, the piston support seat is rotatably connected in the high-pressure stop valve inner chamber, piston inserts in the piston support seat central bore, upper end surface at the piston support seat is provided with sealing mat, by the piston clamping sleeve piston is pressed on this end, establishes stop collar in piston support seat outside; In the described piston support seat O-ring seals is set; Escape place, described piston clamping sleeve upper end is provided with through hole.
Advantage of the present utility model is: can effectively reduce high-pressure medium to manometric impact of industry and obstruction injury, prolong service life of equipment, reduced the manufacturing requirement of former special thread, the interchangeability and the versatility of screw thread have been improved, also improved simultaneously the sealing reliability of device, reduce production costs, alleviate site operation personnel's labour intensity.
Description of drawings
Below in conjunction with drawings and embodiments the utility model is described further:
Fig. 1 is the utility model structural representation.
Among the figure: 1, mounting flange, 2, the 3D sealing ring, 3, the oil-trap overcoat, 4, hold-down bolt, 5, oil-trap axle, 6, O type circle, 7, crossover sub, 8, the 3D sealing ring, 9, O type circle, 10, plug, 11, filter screen, 12, high-pressure stop valve, 13, the pressure-bearing swivel joint, 14, the piston support seat, 15, O type circle, 16, piston, 17, sealing mat, 18, piston clamping sleeve, 19, stop collar, 20, industrial pressure meter.
The specific embodiment
As shown in Figure 1, the utility model comprises mounting flange 1, high-pressure stop valve 12, plug 10, industry pressure meter 20, assembling one crossover sub 7 between high-pressure stop valve 12 and mounting flange 1, one end spinning of crossover sub 7 is connected in mounting flange 1 inner chamber, the other end links to each other with high-pressure stop valve 12 by plug 10, assembling one oil-trap in crossover sub 7 lower end inner chambers, oil-trap comprises oil-trap overcoat 3, oil-trap axle 5, filter screen 11 and hold-down bolt 4, the periphery of oil-trap overcoat 3 is provided with medium and enters the hole, oil-trap axle 5 is assemblied in the inner chamber of oil-trap overcoat 3, and between the inwall of oil-trap overcoat 3 medium channel is arranged, and afterbody is provided with step, and filter screen 11 is assemblied on the afterbody step of oil-trap axle 5, and is fastening by hold-down bolt 4.Be provided with 3D sealing ring 2 in the lower end of crossover sub 7 spinnings in mounting flange 1 inner chamber, O-ring seals 6 is set in the thread groove of upper end.Central authorities at hold-down bolt 4 are provided with through hole.The lower end of plug 10 is provided with 3D sealing ring 8, is provided with O-ring seals 9 in the upper end snail groove, by screwing in crossover sub 7 upper end inner chambers, crossover sub 7 is linked to each other with high-pressure stop valve 12 lower ends.
In order to alleviate labor intensity of operating personnel, a kind of improvement as this programme: can between high-pressure stop valve 12 upper ends and industrial pressure meter 20, be connected in series a pressure-bearing swivel joint 13, pressure-bearing spinning joint 13 comprises piston support seat 14, piston 16, piston presses cover 18, piston support seat 14 is rotatably connected in high-pressure stop valve 12 inner chambers, piston 16 inserts in piston support seat 14 central bore, in the upper end surface of piston support seat 14 sealing mat 17 is set, by piston clamping sleeve 18 piston 16 is pressed on this end, outside spacing at piston support seat 14 with stop collar 19, the O-ring seals 15 of packing in piston support seat 14, the escape place is provided with through hole in piston clamping sleeve 18 upper end.
Claims (7)
1, an a kind of oil and gas extraction wellhead oil jacket pressure side multi-functional erecting device, comprise mounting flange (1), high-pressure stop valve (12), plug (10), industry pressure meter (20), it is characterized in that: assembling one crossover sub (7) between high-pressure stop valve (12) and mounting flange (1), one end spinning of crossover sub (7) is connected in mounting flange (1) inner chamber, the other end links to each other with high-pressure stop valve by plug (10), assembling one oil-trap in the inner chamber of crossover sub (7) lower end, oil-trap comprises oil-trap overcoat (3), oil-trap axle (5), filter screen (11) and hold-down bolt (4), the periphery of oil-trap overcoat (3) is provided with medium and enters the hole, oil-trap axle (5) is assemblied in the inner chamber of oil-trap overcoat (3), and between the inwall of oil-trap overcoat (3) medium channel is arranged, and afterbody is provided with step, filter screen (11) is assemblied on oil-trap axle (5) the afterbody step, and is fastening by hold-down bolt (4).
2, an oil and gas extraction wellhead oil jacket pressure side multi-functional erecting device according to claim 1, it is characterized in that: be provided with 3D sealing ring (2) in the lower end of crossover sub (7) spinning in mounting flange (1) inner chamber, O-ring seals (6) is set in the thread groove of upper end.
3, an oil and gas extraction wellhead oil jacket pressure side multi-functional erecting device according to claim 1, it is characterized in that: the central authorities of described hold-down bolt (4) are provided with through hole.
4, an oil and gas extraction wellhead oil jacket pressure side multi-functional erecting device according to claim 1, it is characterized in that: the lower end of plug (10) is provided with 3D sealing ring (8), be provided with O-ring seals (9) in the upper end snail groove, by screwing in crossover sub (7) upper end inner chamber, crossover sub (7) is linked to each other with high-pressure stop valve (12) lower end.
5, an oil and gas extraction wellhead oil jacket pressure side multi-functional erecting device according to claim 1, it is characterized in that: on high-pressure stop valve (12) with between the industrial pressure meter (20), be connected in series a pressure-bearing swivel joint (13), pressure-bearing spinning joint (13) comprises piston support seat (14), piston (6), piston presses cover (18), piston support seat (14) is rotatably connected in high-pressure stop valve (12) inner chamber, piston (16) inserts in piston support seat (14) central bore, in the upper end surface of piston support seat (14) sealing mat (15) is set, by piston clamping sleeve (18) piston (16) is pressed on this end, establishes stop collar (19) in piston support seat (14) outside.
6, an oil and gas extraction wellhead oil jacket pressure side multi-functional erecting device according to claim 5 is characterized in that: O-ring seals (15) is set in the described piston support seat (14).
7, an oil and gas extraction wellhead oil jacket pressure side multi-functional erecting device according to claim 5 is characterized in that: escape place, described piston clamping sleeve (18) upper end is provided with through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200643171U CN201218096Y (en) | 2008-07-15 | 2008-07-15 | Multifunctional installation apparatus for oil extraction gas well mouth oil jacket pressure cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200643171U CN201218096Y (en) | 2008-07-15 | 2008-07-15 | Multifunctional installation apparatus for oil extraction gas well mouth oil jacket pressure cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201218096Y true CN201218096Y (en) | 2009-04-08 |
Family
ID=40540933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200643171U Expired - Fee Related CN201218096Y (en) | 2008-07-15 | 2008-07-15 | Multifunctional installation apparatus for oil extraction gas well mouth oil jacket pressure cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201218096Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016089612A1 (en) * | 2014-12-01 | 2016-06-09 | Cameron International Corporation | Control line termination assembly |
-
2008
- 2008-07-15 CN CNU2008200643171U patent/CN201218096Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016089612A1 (en) * | 2014-12-01 | 2016-06-09 | Cameron International Corporation | Control line termination assembly |
| US9976377B2 (en) | 2014-12-01 | 2018-05-22 | Cameron International Corporation | Control line termination assembly |
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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: 20090408 Termination date: 20150715 |
|
| EXPY | Termination of patent right or utility model |