CN203742584U - Oil well pressure gage anti-freezing pressure obtaining device - Google Patents
Oil well pressure gage anti-freezing pressure obtaining device Download PDFInfo
- Publication number
- CN203742584U CN203742584U CN201420089211.2U CN201420089211U CN203742584U CN 203742584 U CN203742584 U CN 203742584U CN 201420089211 U CN201420089211 U CN 201420089211U CN 203742584 U CN203742584 U CN 203742584U
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- CN
- China
- Prior art keywords
- pressure
- oil well
- seal bellows
- insulating
- pressure gage
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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
The utility model discloses an oil well pressure gage anti-freezing pressure obtaining device. The oil well pressure gage anti-freezing pressure obtaining device comprises a protecting shell, a pressure gage, a thermal insulation pipe and a thermal insulation pipe joint arranged on a pipeline, wherein the upper end of the thermal insulation pipe is in threaded connection with the bottom of the protecting shell, and the bottom end of the thermal insulation pipe is in threaded connection with the thermal insulation pipe joint; the inside of the thermal insulation pipe is covered with a seal corrugated pipe, the bottom end of the seal corrugated pipe is connected with a pipeline joint through a first valve, and the upper end of the seal corrugated pipe is arranged inside the protecting shell and is connected with a three-way connector; the first outlet of the three-way connector is connected with a second valve which is connected with a pressure gage joint, the pressure gage joint is connected with the pressure gage, and the second outlet of the three-way joint is connected with a seal head; a plunger is arranged inside the seal corrugated pipe, and anti-freezing liquid is poured in the upper side of the plunger; the upper end and the lower end of the seal corrugated pipe are provided with an injection port and a discharging port respectively. The oil well pressure gage anti-freezing pressure obtaining device is simple in structure, safe, practical, and capable of effectively preventing the pressure gage from being frozen, obviously improves pressure obtaining accuracy during production in winter, and reduces damage to the pressure gage.
Description
Technical field
The utility model relates to oil production equipment technical field, relates in particular to the antifreeze pressure obtaning device of a kind of oil well pressure table.
Background technology
In oilfield exploitation oil process, the on-the-spot working pressure table of frequent outdoor working pressure table, particularly water injection well is very general.Be arranged on ducted pressure tapping and just carry out transmission of pressure by the duct in meter connector, the liquid in pipeline enters in pressure tapping by duct, makes the pressure in gauge hand instruction pipeline.If in the time running into low temperature environment, thereby the liquid that makes to enter in pressure tapping freezes, and by freezing pressure meter or pressure misregister, brings to production, the particularly oil well production in oil field many unfavorable.Often cause oil well pressure table phenomenon freezing or that generation pressure meter numerical value does not conform to actual numerical value to occur.Have a strong impact on workman on duty and enroll at the scene force value, bring much inconvenience to oil well production management, the freezing cost of production that also increased of pressure meter, has also increased workload simultaneously.
Summary of the invention
The problem existing for above-mentioned prior art, the utility model provides a kind of oil well pressure table antifreeze pressure obtaning device.
To achieve these goals, the technical solution adopted in the utility model is: the antifreeze pressure obtaning device of oil well pressure table, comprise containment vessel, pressure meter, insulating tube and be located at the heat-insulating pipe joint on pipeline, insulating tube upper end is connected with containment vessel bottom thread, and insulating tube bottom is threaded with heat-insulating pipe joint; In insulating tube, be coated with seal bellows, seal bellows bottom is connected with pipe joint by the first valve, and seal bellows upper end is located in containment vessel and is connected with tee junction; The first outlet of tee junction is connected with the second valve, the second valve Bonding pressure meter connector, pressure tapping Bonding pressure table, the second outlet connecting sealed head of tee junction; Plunger is installed in seal bellows, above plunger, is poured into anti-icing fluid; Seal bellows upper and lower side has inlet and outlet opening.
As preferably, the outer wall of plunger is equipped with sealing ring.
As preferably, insulating tube comprise insulation inner tube, insulation outer tube and be arranged on insulation inner tube and insulation outer tube between insulating rubber plastic layer.
As preferably, between insulation inner tube and seal bellows, be provided with yielding rubber layer.
As preferably, containment vessel inwall is provided with insulating rubber plastic layer, has observation port on containment vessel.
Compared with prior art, the utility model has the advantage of: simple in structure, safe and practical, in plunger upper part seal bellows cavity, be perfused with anti-icing fluid and block with the liquid that enters seal bellows and contact by plunger, seal bellows overcoat has insulating tube simultaneously, pressure meter overcoat has containment vessel, effectively prevent that pressure meter is damaged by frost, obviously improved the accuracy of force value admission while production winter, reduced manometric damage, reduce cost of production, alleviated workman's workload; Between seal bellows and insulating tube, be provided with yielding rubber layer, when job execution, can alleviate vibrations, make pressure meter accurate reading; Seal bellows upper and lower side has inlet and outlet opening, and the access of tee junction, and pressure release that can be very fast is taken off the closed head that tee junction second exports and changes cut-in pressure table, further improves the safety of operation.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that the A-A of Fig. 1 is to cross-sectional view.
In figure: 1, containment vessel; 2, pressure meter; 3, insulating tube; 4, heat-insulating pipe joint; 5, seal bellows; 6, the first valve; 7, pipe joint; 8, tee junction; 9, the first outlet; 10, the second valve; 11, pressure tapping; 12, the second outlet; 13, closed head; 14, plunger; 15, anti-icing fluid; 16, inlet; 17, outlet opening; 18, sealing ring; 19, yielding rubber layer; 20, insulating rubber plastic layer; 21, observation port; 31, insulation inner tube; 32, insulation outer tube; 33, insulating rubber plastic layer.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As a kind of embodiment of the present utility model, consult Fig. 1, comprise containment vessel 1, pressure meter 2, insulating tube 3 and be located at the heat-insulating pipe joint 4 on pipeline, insulating tube 3 upper ends are connected with containment vessel 1 bottom thread, and insulating tube 3 bottoms are threaded with heat-insulating pipe joint 4; In insulating tube 3, be coated with seal bellows 5, seal bellows 5 bottoms are connected with pipe joint 7 by the first valve 6, and seal bellows 5 upper ends are located in containment vessel 1 and are connected with tee junction 8; The first outlet 9 of tee junction 8 is connected with the second valve 10, the second valve 10 Bonding pressure meter connectors 11, pressure tapping 11 Bonding pressure tables 2, the second outlet 12 connecting sealed heads 13 of tee junction 8; Plunger 14 is installed in seal bellows 5, above plunger 14, is poured into anti-icing fluid 15; Seal bellows 5 upper and lower sides have inlet 16 and outlet opening 17.
The outer wall of plunger 14 is equipped with sealing ring 18.
Insulating tube 3 comprises insulation inner tube 31, insulation outer tube 32 and is arranged on insulation inner tube 31 and is incubated the insulating rubber plastic layer 33 between outer tube 32.
Between insulation inner tube 31 and seal bellows 5, be provided with yielding rubber layer 19.
Containment vessel 1 inwall is provided with insulating rubber plastic layer 20, has observation port 21 on containment vessel 1.
While installing and using, in plunger 14 top seal bellows 5 cavitys, be perfused with anti-icing fluid 15 and contact with the liquid that enters seal bellows 5 by plunger 14 blocking-up, seal bellows 5 overcoats have insulating tube 3 simultaneously, pressure meter 2 overcoats have containment vessel 1, effectively prevent that pressure meter 2 is damaged by frost, obviously improved the accuracy of force value admission while production winter, reduced the damage of pressure meter 2, reduce cost of production, alleviated workman's workload; Between seal bellows 5 and insulating tube 3, be provided with yielding rubber layer 19, when job execution, can alleviate vibrations, make pressure meter 2 accurate readings; Seal bellows 5 upper and lower sides have inlet 16 and outlet opening 17, and the access of tee junction 8, and pressure release that can be very fast is taken off the closed head 13 of tee junction 8 second outlets 12 and changes cut-in pressure table 2, further improves the safety of operation.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be limited to these embodiment shown in this article, but will accord with principle disclosed herein and features of novelty the widest consistent scope.
Claims (5)
1. the antifreeze pressure obtaning device of oil well pressure table, it is characterized in that: comprise containment vessel, pressure meter, insulating tube and be located at the heat-insulating pipe joint on pipeline, described insulating tube upper end is connected with containment vessel bottom thread, and described insulating tube bottom is threaded with heat-insulating pipe joint; In described insulating tube, be coated with seal bellows, described seal bellows bottom is connected with pipe joint by the first valve, and described seal bellows upper end is located in containment vessel and is connected with tee junction; The first outlet of tee junction is connected with the second valve, described the second valve Bonding pressure meter connector, described pressure tapping Bonding pressure table, the second outlet connecting sealed head of tee junction; In described seal bellows, plunger is installed, above plunger, is poured into anti-icing fluid; Described seal bellows upper and lower side has inlet and outlet opening.
2. the antifreeze pressure obtaning device of oil well pressure table according to claim 1, is characterized in that: the outer wall of described plunger is equipped with sealing ring.
3. the antifreeze pressure obtaning device of oil well pressure table according to claim 1, is characterized in that: described insulating tube comprises insulation inner tube, insulation outer tube and is arranged on insulation inner tube and is incubated the insulating rubber plastic layer between outer tube.
4. the antifreeze pressure obtaning device of oil well pressure table according to claim 3, is characterized in that: between described insulation inner tube and seal bellows, be provided with yielding rubber layer.
5. the antifreeze pressure obtaning device of oil well pressure table according to claim 1, is characterized in that: described containment vessel inwall is provided with insulating rubber plastic layer, has observation port on containment vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420089211.2U CN203742584U (en) | 2014-02-28 | 2014-02-28 | Oil well pressure gage anti-freezing pressure obtaining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420089211.2U CN203742584U (en) | 2014-02-28 | 2014-02-28 | Oil well pressure gage anti-freezing pressure obtaining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203742584U true CN203742584U (en) | 2014-07-30 |
Family
ID=51342401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420089211.2U Expired - Fee Related CN203742584U (en) | 2014-02-28 | 2014-02-28 | Oil well pressure gage anti-freezing pressure obtaining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203742584U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404276A (en) * | 2016-12-13 | 2017-02-15 | 苏州天沃科技股份有限公司 | Pressure gauge installation structure |
-
2014
- 2014-02-28 CN CN201420089211.2U patent/CN203742584U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404276A (en) * | 2016-12-13 | 2017-02-15 | 苏州天沃科技股份有限公司 | Pressure gauge installation structure |
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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: 20140730 Termination date: 20150228 |
|
| EXPY | Termination of patent right or utility model |