CN201367897Y - Hydraulic oil volume compression coefficient test device - Google Patents
Hydraulic oil volume compression coefficient test device Download PDFInfo
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- CN201367897Y CN201367897Y CNU200920106070XU CN200920106070U CN201367897Y CN 201367897 Y CN201367897 Y CN 201367897Y CN U200920106070X U CNU200920106070X U CN U200920106070XU CN 200920106070 U CN200920106070 U CN 200920106070U CN 201367897 Y CN201367897 Y CN 201367897Y
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- hydraulic oil
- testing arrangement
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Abstract
The utility model provides a hydraulic oil volume compression coefficient test device which comprises a high pressure seal body, wherein both ends of the shell body of the high pressure seal body are respectively provided with an upper plug and a lower plug, the upper plug is provided with a high pressure port connected with the high pressure equipment; a balance piston is arranged in the shell body, one lateral end surface of the balance piston and the upper plug construct a medium cavity in the shell body, the other lateral end surface of the balance piston and the lower plug construct a hydraulic oil cavity in the shell body; a mobile rod is arranged in the hydraulic oil cavity, the head part of the mobile rod is connected with the balance piston, the tail part of the mobile rod is nested in the through hole of the lower plug in horizontal movement manner. The hydraulic oil volume compression coefficient test device can obtain the volume compression coefficient of hydraulic oil under certain temperature accurately and conveniently and also provide basis for designing underground instrument hydraulic balance system.
Description
Technical field
The utility model relates to a kind of downhole instrument testing arrangement, more specifically, relates to a kind of hydraulic oil coefficient of cubical compressibility testing arrangement.
Background technology
The coefficient of cubical compressibility of hydraulic oil is the important parameter of downhole instrument hydraulic balance system design.Coefficient of cubical compressibility for hydraulic oil under the test uniform temperature need apply high pressure (as 170MPa) to hydraulic oil, and the volume compression amount under the testing high voltage.
Existing hydraulic oil coefficient of cubical compressibility testing arrangement is complex structure on the one hand, and is dangerous on the other hand high, the very big difficulty of having given calibration tape.
Be illustrated in figure 1 as existing a kind of hydraulic oil coefficient of cubical compressibility testing arrangement, it mainly is made of pressure meter 1, high pressure sealing cavity 2, displacement transducer 4, piston 5, turn-screw 6, control circuit 7 and turning handle 8, and hydraulic oil 3 to be tested is positioned at high pressure sealing cavity 2.Its operating principle is as follows: drive turn-screw 6 by turning handle 8, promoting piston 5 by turn-screw 6 advances, thereby the volume of compression hydraulic oil 3, draw the pressure that turn-screw 6 produces by pressure meter 1, obtain the volume compression amount by control circuit 7 and displacement transducer 4, draw the coefficient of cubical compressibility of hydraulic oil to be measured again according to the corresponding calculated formula.
Complicated and the dangerous imbody of this hydraulic oil coefficient of cubical compressibility testing arrangement is as follows:
Needed power is very big when (1) compressing because of hydraulic oil, often needs tens tons power, and therefore, the turning handle 8 of this mechanism and turn-screw 6 volumes are very huge; Big turn-screw difficulty of processing is very big, and tends to cause the leading screw counter motion because of stressed excessive in motion process, the injury experimenter;
(2) the volume compression amount of existing apparatus is finished by displacement transducer and correspondent control circuits, and this has increased the complexity of device greatly.
The utility model content
The technical problems to be solved in the utility model provides a kind of hydraulic oil coefficient of cubical compressibility testing arrangement, and is simple in structure, safe and reliable.
In order to address the above problem, the utility model provides a kind of hydraulic oil coefficient of cubical compressibility testing arrangement, comprise the high pressure sealing body, the two ends of the housing of described high pressure sealing body are respectively equipped with upper plug head and lower end cap, and described upper plug head is provided with the high-pressure mouth that links to each other with high-tension apparatus; Described enclosure interior is provided with a dummy piston, and a side end face and the described upper plug head of described dummy piston constitute a medium chamber in described enclosure interior, and the opposite side end face and the described lower end cap of described dummy piston constitute a hydraulic oil chamber in described enclosure interior; Be provided with carriage release lever in the described hydraulic oil chamber, the head of described carriage release lever links to each other with described dummy piston, and the afterbody of described carriage release lever can be placed in the through hole that is provided with on the described lower end cap linearly.
Further, above-mentioned hydraulic oil coefficient of cubical compressibility testing arrangement also can have following characteristics: described testing arrangement is provided with displacement transducer, is used to test the displacement of described carriage release lever.
Further, above-mentioned hydraulic oil coefficient of cubical compressibility testing arrangement also can have following characteristics: described high-tension apparatus is provided with the pressure meter that shows the force value that it produced.
Further, above-mentioned hydraulic oil coefficient of cubical compressibility testing arrangement also can have following characteristics: described lower end cap is provided with oil-in, by described oil-in hydraulic oil is injected described hydraulic oil chamber.
Further, above-mentioned hydraulic oil coefficient of cubical compressibility testing arrangement also can have following characteristics: realize sealing by sealing ring between described dummy piston and the described housing.
Adopt hydraulic oil coefficient of cubical compressibility testing arrangement of the present utility model can obtain the coefficient of cubical compressibility of hydraulic oil under the uniform temperature accurately and easily, for the design of downhole instrument hydraulic balance system provides foundation.
Description of drawings
Fig. 1 is the structural representation of hydraulic oil coefficient of cubical compressibility testing arrangement of the prior art;
Fig. 2 is the structural representation of hydraulic oil coefficient of cubical compressibility testing arrangement of the present utility model.
The specific embodiment
As shown in Figure 1, hydraulic oil coefficient of cubical compressibility testing arrangement of the present utility model mainly comprises the high-tension apparatus (not shown), high pressure sealing body, dummy piston 13 and carriage release lever more than 20 parts.Wherein, the two ends of the housing 21 of high pressure sealing body by the upper plug head 22 and lower end cap 15 sealings of high pressure sealing stifled 17, seal by sealing ring 11 between housing 21 and the upper plug head 22 respectively.Upper plug head 22 links to each other with high-tension apparatus, and high-tension apparatus produces high-voltage power supply by high-pressure mouth 10.The present technology of wherein employed high-tension apparatus is very ripe, and safety is very high.
The dummy piston 13 that is positioned at housing 21 inside is divided into two chambers that separate with housing 21 inside, i.e. the medium chamber that is made of the end face and the upper plug head 22 of dummy piston 13, and the hydraulic oil chamber that is made of another end face and the lower end cap 15 of dummy piston 13.Realize sealing by sealing ring 14 between dummy piston 13 and the housing 21.Hydraulic oil 19 is by the hydraulic oil chamber of oil-in 16 injection housings 21 inside, and dummy piston 13 can be eliminated the high pressure that is applied on the hydraulic oil 19, avoid producing dangerous.One end of dummy piston 13 is connected with carriage release lever 20, and the other end of carriage release lever 20 (afterbody) is realized sealing with lower end cap 15 by through hole on the lower end cap 15 and sealing ring 18.When dummy piston 13 moves, the carriage release lever 20 that head is attached thereto also moves thereupon, just can obtain the decrement of hydraulic oil 19 accurately and easily by the displacement (displacement) of carriage release lever 20, thereby obtain the coefficient of cubical compressibility under the uniform temperature, for the design of downhole instrument hydraulic balance system provides foundation.Wherein, the displacement of carriage release lever 20 can be realized by multiple common technique means such as displacement transducer are set, not repeat them here.
The test process and the operating principle of hydraulic oil coefficient of cubical compressibility testing arrangement of the present utility model are as follows: squeeze into high pressure by high-tension apparatus from high-pressure mouth 10, then the medium 12 in the medium chamber (for example water etc.) will promote dummy piston 13 and carriage release lever 20 moves forward; By measuring the displacement of carriage release lever 20, obtain the volume compression amount; According to force value shown on the high-tension apparatus, and utilize corresponding formulas can calculate the coefficient of cubical compressibility of hydraulic oil.
Claims (5)
1, a kind of hydraulic oil coefficient of cubical compressibility testing arrangement is characterized in that, comprise the high pressure sealing body, the two ends of the housing of described high pressure sealing body are respectively equipped with upper plug head and lower end cap, and described upper plug head is provided with the high-pressure mouth that links to each other with high-tension apparatus; Described enclosure interior is provided with a dummy piston, and a side end face and the described upper plug head of described dummy piston constitute a medium chamber in described enclosure interior, and the opposite side end face and the described lower end cap of described dummy piston constitute a hydraulic oil chamber in described enclosure interior; Be provided with carriage release lever in the described hydraulic oil chamber, the head of described carriage release lever links to each other with described dummy piston, and the afterbody of described carriage release lever can be placed in the through hole that is provided with on the described lower end cap linearly.
2, hydraulic oil coefficient of cubical compressibility testing arrangement as claimed in claim 1 is characterized in that described testing arrangement is provided with displacement transducer, is used to test the displacement of described carriage release lever.
3, hydraulic oil coefficient of cubical compressibility testing arrangement as claimed in claim 1 is characterized in that, described high-tension apparatus is provided with the pressure meter that shows the force value that it produced.
4, hydraulic oil coefficient of cubical compressibility testing arrangement as claimed in claim 1 is characterized in that described lower end cap is provided with oil-in, by described oil-in hydraulic oil is injected described hydraulic oil chamber.
5, hydraulic oil coefficient of cubical compressibility testing arrangement as claimed in claim 1 is characterized in that, realizes sealing by sealing ring between described dummy piston and the described housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920106070XU CN201367897Y (en) | 2009-03-06 | 2009-03-06 | Hydraulic oil volume compression coefficient test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920106070XU CN201367897Y (en) | 2009-03-06 | 2009-03-06 | Hydraulic oil volume compression coefficient test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201367897Y true CN201367897Y (en) | 2009-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200920106070XU Expired - Fee Related CN201367897Y (en) | 2009-03-06 | 2009-03-06 | Hydraulic oil volume compression coefficient test device |
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| Country | Link |
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| CN (1) | CN201367897Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105482A (en) * | 2012-11-15 | 2013-05-15 | 中国石油大学(华东) | Method for testing compression characteristics of gelled crude oil |
| CN103308446A (en) * | 2013-05-31 | 2013-09-18 | 重庆大学 | Fluid compressibility test device based on corrugated pipes |
| 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 |
| CN103940731A (en) * | 2014-04-18 | 2014-07-23 | 中国海洋石油总公司 | Hydraulic oil elasticity modulus and thermal expansion coefficient measuring device |
| CN105699592A (en) * | 2015-10-16 | 2016-06-22 | 中国计量科学研究院 | System and method for measuring compressibility coefficient ratio of liquid under constant entropy and constant temperature condition |
| CN106771094A (en) * | 2017-01-17 | 2017-05-31 | 中国石油大学(华东) | A kind of gelled crude compression system safety testing device and method based on hermetically sealed method |
| CN108005643A (en) * | 2017-11-21 | 2018-05-08 | 中国石油集团渤海钻探工程有限公司 | The oil-filled pressure-bearing type acoustic logging instrument injection flow computational methods of capsule |
| CN110566183A (en) * | 2019-09-23 | 2019-12-13 | 中国海洋石油集团有限公司 | Underground oil level detection device |
-
2009
- 2009-03-06 CN CNU200920106070XU patent/CN201367897Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105482A (en) * | 2012-11-15 | 2013-05-15 | 中国石油大学(华东) | Method for testing compression characteristics of gelled crude oil |
| CN103105482B (en) * | 2012-11-15 | 2015-02-25 | 中国石油大学(华东) | Method for testing compression characteristics of gelled crude oil |
| CN103308446A (en) * | 2013-05-31 | 2013-09-18 | 重庆大学 | Fluid compressibility test device based on corrugated pipes |
| CN103308446B (en) * | 2013-05-31 | 2016-01-20 | 重庆大学 | Based on the fluid compressible system safety testing device of corrugated tube |
| 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 |
| CN103940731A (en) * | 2014-04-18 | 2014-07-23 | 中国海洋石油总公司 | Hydraulic oil elasticity modulus and thermal expansion coefficient measuring device |
| CN105699592A (en) * | 2015-10-16 | 2016-06-22 | 中国计量科学研究院 | System and method for measuring compressibility coefficient ratio of liquid under constant entropy and constant temperature condition |
| CN105699592B (en) * | 2015-10-16 | 2017-11-03 | 中国计量科学研究院 | Liquid compresses the measuring system and method for coefficient ratio value under permanent entropy and constant temperature |
| CN106771094A (en) * | 2017-01-17 | 2017-05-31 | 中国石油大学(华东) | A kind of gelled crude compression system safety testing device and method based on hermetically sealed method |
| CN106771094B (en) * | 2017-01-17 | 2018-10-02 | 中国石油大学(华东) | A kind of gelled crude compression system safety testing device and method based on hermetically sealed method |
| CN108005643A (en) * | 2017-11-21 | 2018-05-08 | 中国石油集团渤海钻探工程有限公司 | The oil-filled pressure-bearing type acoustic logging instrument injection flow computational methods of capsule |
| CN108005643B (en) * | 2017-11-21 | 2021-01-01 | 中国石油天然气集团有限公司 | Method for calculating oil injection amount of capsule oil-filled pressure-bearing type acoustic logging instrument |
| CN110566183A (en) * | 2019-09-23 | 2019-12-13 | 中国海洋石油集团有限公司 | Underground oil level detection device |
| US11788405B2 (en) | 2019-09-23 | 2023-10-17 | China Oilfield Services Limited | Downhole oil level detection device |
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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: 20091223 Termination date: 20170306 |