CN203716959U - Plunger sealing mechanism for high-temperature and high-pressure formation fluid analyzer - Google Patents
Plunger sealing mechanism for high-temperature and high-pressure formation fluid analyzer Download PDFInfo
- Publication number
- CN203716959U CN203716959U CN201420083441.8U CN201420083441U CN203716959U CN 203716959 U CN203716959 U CN 203716959U CN 201420083441 U CN201420083441 U CN 201420083441U CN 203716959 U CN203716959 U CN 203716959U
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- CN
- China
- Prior art keywords
- plunger
- seal
- cylindrical shell
- formation fluid
- barrel
- 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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- Measuring Fluid Pressure (AREA)
Abstract
The utility model provides a plunger sealing mechanism for a high-temperature and high-pressure formation fluid analyzer. The plunger sealing mechanism comprises a pressing cap (1), a plunger (4) and a barrel (5), wherein the pressing cap (1) is connected with one end of the barrel (5) through threads; one end of the plunger (4) is arranged in the barrel (5); an annular sealing element (2) is arranged at the joint of the pressing cap (1) and the barrel (5); a support spring (3) is arranged between the sealing element (2) and the barrel (5); liquid (6) is contained in the barrel (5); annular grooves (7) in the inner and outer sides of the sealing element (2); the sealing element (2) is made of a high polymer material. The plunger sealing mechanism has the technical effects that the working temperature of equipment reaches 250 DEG C, the pressure of the equipment reaches 70MPa, and the equipment can run for a long time.
Description
Technical field
The utility model relates to a kind of plunger seal mechanism of HTHP formation fluid analyzer, belongs to fluid analysis technical field.
Background technology
Formation fluid analyzer is mainly the phase Characteristics of measuring dirty oil, viscous crude, natural gas, condensate gas, volatile oil, directly to observe hydrocarbon stratum change at the oil gas of different temperatures pressure condition by a container with transparent windows, by dew-point pressure measures, etc. the process of the test calculating such as appearance exhaustion test, difference condensation arrange out a whole set of analyzing test data.Calculate phasor according to relevant software.
Existing HTHP formation fluid analyzer has following weak point: because running environment is high-temperature high-pressure state, seal in the past can not meet existing duty, temperature can only reach 120 DEG C, and pressure only has 60MPa, can not meet oil field requirement of experiment.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art part, and a kind of plunger seal mechanism of HTHP formation fluid analyzer is provided.
The plunger seal mechanism of HTHP formation fluid analyzer of the present utility model, comprise pressure cap (1), plunger (4) and cylindrical shell (5), described pressure cap (1) is threaded connection the one end in cylindrical shell (5), one end of described plunger (4) is located in cylindrical shell (5), described pressure cap (1) and cylindrical shell (5) junction are provided with annular seal (2), between said seal (2) and cylindrical shell (5), be provided with support spring (3), in described cylindrical shell (5), be provided with liquid (6), inner side and the outside of described seal (2) are equipped with annular groove (7), described seal (2) adopts macromolecular material to make.
Described macromolecular material is polyether-ether-ketone (PEEK).
The plunger seal mechanism of HTHP formation fluid analyzer of the present utility model has following technique effect: adopt macromolecular material to improve seal (2) strength of materials, and be equipped with annular groove (7) by the inner side at seal (2) and outside, entirety is cut down the thickness of seal, the equipment operating temperature of making reaches 250 DEG C, pressure 70MPa long-term operation.
Because the strength ratio of material is higher, the support spring of existing seal is as shown in Figure 3 difficult to recover the distortion of seal, and in addition, entirety is cut down the words of the thickness of seal, existing seal intensity as shown in Figure 3 will entirety decline, and can not meet the requirement of 70MPa.
Brief description of the drawings
Fig. 1 is the structural representation of the plunger seal mechanism of HTHP formation fluid analyzer of the present utility model;
Fig. 2 is the enlarged drawing of seal of the present utility model;
Fig. 3 is the enlarged drawing of the seal of prior art.
Wherein, 1 is pressure cap, and 2 is seal, and 3 is support spring, and 4 is plunger, and 5 is cylindrical shell, and 6 is liquid, and 7 is groove.
Detailed description of the invention
As Fig. 1, shown in 2, the plunger seal mechanism of HTHP formation fluid analyzer of the present utility model, comprise pressure cap (1), plunger (4) and cylindrical shell (5), described pressure cap (1) is threaded connection the one end in cylindrical shell (5), one end of described plunger (4) is located in cylindrical shell (5), described pressure cap (1) and cylindrical shell (5) junction are provided with annular seal (2), between said seal (2) and cylindrical shell (5), be provided with support spring (3), in described cylindrical shell (5), be provided with liquid (6), inner side and the outside of described seal (2) are equipped with annular groove (7), described seal (2) adopts macromolecular material to make.Described macromolecular material is polyether-ether-ketone (PEEK).
Claims (2)
1. the plunger seal mechanism of HTHP formation fluid analyzer, it is characterized in that, comprise pressure cap (1), plunger (4) and cylindrical shell (5), described pressure cap (1) is threaded connection the one end in cylindrical shell (5), one end of described plunger (4) is located in cylindrical shell (5), described pressure cap (1) and cylindrical shell (5) junction are provided with annular seal (2), between said seal (2) and cylindrical shell (5), be provided with support spring (3), in described cylindrical shell (5), be provided with liquid (6), inner side and the outside of described seal (2) are equipped with annular groove (7), described seal (2) adopts macromolecular material to make.
2. the plunger seal mechanism of HTHP formation fluid analyzer according to claim 1, is characterized in that, described macromolecular material is polyether-ether-ketone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420083441.8U CN203716959U (en) | 2014-02-26 | 2014-02-26 | Plunger sealing mechanism for high-temperature and high-pressure formation fluid analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420083441.8U CN203716959U (en) | 2014-02-26 | 2014-02-26 | Plunger sealing mechanism for high-temperature and high-pressure formation fluid analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203716959U true CN203716959U (en) | 2014-07-16 |
Family
ID=51156124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420083441.8U Expired - Fee Related CN203716959U (en) | 2014-02-26 | 2014-02-26 | Plunger sealing mechanism for high-temperature and high-pressure formation fluid analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203716959U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821509A (en) * | 2014-02-26 | 2014-05-28 | 南通市飞宇石油科技开发有限公司 | Plunger sealing mechanism of high-temperature and high-pressure formation fluid analysis meter |
-
2014
- 2014-02-26 CN CN201420083441.8U patent/CN203716959U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821509A (en) * | 2014-02-26 | 2014-05-28 | 南通市飞宇石油科技开发有限公司 | Plunger sealing mechanism of high-temperature and high-pressure formation fluid analysis meter |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20200226 |