CN200958991Y - Rock air permeability examiner - Google Patents
Rock air permeability examiner Download PDFInfo
- Publication number
- CN200958991Y CN200958991Y CN 200620073619 CN200620073619U CN200958991Y CN 200958991 Y CN200958991 Y CN 200958991Y CN 200620073619 CN200620073619 CN 200620073619 CN 200620073619 U CN200620073619 U CN 200620073619U CN 200958991 Y CN200958991 Y CN 200958991Y
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- Prior art keywords
- pressure
- mentioned
- gas permeability
- rock
- vernier caliper
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Abstract
The utility model discloses a rock gas permeability determinator which comprises a gas loading system, an automatic measuring system, data processing system, wherein the automatic measuring system is composed of a core clamp fastener, a flow elbow, a vacuum pumping device, wherein the core clamp fastener is internally provided with a measuring core. The signal is sent into the data processing system via a pressure differential signal transmitter, a pressure loading signal transmitter and vernier calipers. The flow elbow is in a cone shape. The utility model has advantages of automatically accumulating data, operating conveniently, good repetitiveness of measuring, less error and large range of measurement.
Description
Technical field
The utility model relates to a kind ofly to be tested or the device of analysis of material by means of the character of measuring material, more particularly relates to a kind of instrument that is used to measure the subsurface rock gas permeability.
Background technology
Rock gas permeability is the necessary important foundation parameter of oil-field development energy force evaluating, is the research reservoir quality, carries out correlation of oil beds, analyzes the dynamic main foundation of oil reservoir.The existing rock gas permeability detector that uses adopts reducing cascade flow buret mostly, change reducing cascade flow buret according to artificial experience during measurement, adopt the timing of card table simultaneously, and the artificial treatment data, this analyzer operation is loaded down with trivial details, measuring error is big, measurement range is little.
Summary of the invention
The purpose of this utility model is to provide a kind of novel rock gas permeability detector, its energy automatic data collection, and easy to operate, measuring repeatability is good, measuring error is little, and measurement range is big.
The utility model is to solve the problems of the technologies described above to realize by following technical proposal, above-mentioned rock gas permeability detector, comprise gas-loaded system, automatic measurement system, data handling system, above-mentioned automatic measurement system comprises core holding unit, flowtube, vacuum extractor, rock core places above-mentioned core holding unit, difference is, above-mentioned automatic measurement system also comprises differential pressure signal transmitter, pressure-loaded signal transmitting device, vernier caliper, data-signal through vernier caliper measurement is sent into data handling system, and above-mentioned flowtube is the conical flow buret.
The above-mentioned gas loading system is by the pressure-stabilized air source air feed, and control loop pressure transfer valve, interior pressure transfer valve load air pressure to automatic measurement system respectively by ring pressure electromagnetic valve, interior pressure electromagnetic valve.
Be equipped with between above-mentioned vacuum extractor and the flowtube and vacuumize solenoid valve, be used for controlling the action of vacuum extractor.
Above-mentioned vernier caliper is digital vernier caliper.
Above-mentioned gas loading system 1 bleed pressure is 1.1-1.6Mpa.
Rock gas permeability detector of the present utility model has following advantage compared with prior art:
1, this rock gas permeability detector has adopted the flowtube of pyramidal structure, and measurement range is widened, and low-permeability is by 0.01-40 * 10
-3μ m
2Widen 0.001-1 * 10
-3μ m
2, high permeability is by 40-8000 * 10
-3μ m
2Widen 0.1-10000 * 10
-3μ m
2It is little to have solved measurement range, need select permeability range by rule of thumb during measurement.
2, this rock gas permeability detector has adopted automatic measurement system, the pressure of flowtube is changed and time of decline of water table is transferred to automatic measurement system, by pressure-loaded signal transmitting device the output pressure value of gas-loaded system is transferred to automatic measurement system by the differential pressure signal transmitter, diameter and the length of measuring rock core simultaneously adopt digital vernier caliper to measure simultaneously, and measurement data directly is transferred to automatic measurement system, the error of having avoided the manual read to fetch data, easy to operate, measuring repeatability is good, measuring error is little.
Description of drawings
Fig. 1 is the structural representation of the utility model rock gas permeability detector.
Embodiment
Embodiment
As shown in Figure 1, described rock gas permeability detector, comprise gas-loaded system 1, automatic measurement system 2, data handling system 3, above-mentioned gas loading system 1 is by pressure-stabilized air source 11 air feed, by ring pressure electromagnetic valve 14, interior pressure electromagnetic valve 15 control loop is respectively pressed transfer valve 12, the interior transfer valve 13 of pressing loads air pressure to automatic measurement system 2, above-mentioned automatic measurement system 2 comprises core holding unit 21, flowtube 22, vacuum extractor 23, differential pressure signal transmitter 24, pressure-loaded signal transmitting device 25, vernier caliper 26, send into data handling system 3 through the data-signal that vernier caliper 26 is measured, rock core places above-mentioned core holding unit 21, be equipped with between above-mentioned vacuum extractor 23 and the flowtube 22 and vacuumize solenoid valve 231, be used for controlling the action of vacuum extractor 23, the physical dimension data of above-mentioned measurement rock core are accurately measured length and the diameter of measuring rock core by vernier caliper 26.Above-mentioned gas loading system 1 bleed pressure is 1.1-1.6Mpa.
During use, turn on the power switch, with core trimming is garden column type (or rectangle), put into vernier caliper and measure its physical dimension (diameter, length or height, width), this moment, the physical dimension data of rock core were input to data handling system 3 automatically, then rock core is put into core holding unit 21, given to add to encircle to be depressed into 0.3-0.6Mpa; Action vacuum extractor 23 rises the water column of flowtube 22, when water column rising electrode points, stop to take out pressure, start differential pressure signal transmitter 24, begin to measure the pressure variation of flowtube and the time of decline of water table, signal is sent into data handling system 3, and pressure-loaded signal transmitting device 25 also is transferred to data handling system 3 with the output pressure value of gas-loaded system 1 simultaneously.Data handling system 3 calculates core permeability according to the pressure variation of the rock core physical dimension that collects, flowtube and time, gas-loaded pressure and other environmental parameter of decline of water table.
Claims (4)
1, a kind of rock gas permeability detector, comprise gas-loaded system, automatic measurement system, data handling system, above-mentioned automatic measurement system comprises core holding unit, flowtube, vacuum extractor, rock core places above-mentioned core holding unit, above-mentioned automatic measurement system also comprises differential pressure signal transmitter, pressure-loaded signal transmitting device, vernier caliper, data-signal through vernier caliper measurement is sent into data handling system, it is characterized in that: above-mentioned flowtube is the conical flow buret.
2, rock gas permeability detector according to claim 1, it is characterized in that: the above-mentioned gas loading system is by the pressure-stabilized air source air feed, and control loop pressure transfer valve, interior pressure transfer valve load air pressure to automatic measurement system respectively by ring pressure electromagnetic valve, interior pressure electromagnetic valve.
3, rock gas permeability detector according to claim 1 is characterized in that: be equipped with between above-mentioned vacuum extractor and the flowtube and vacuumize solenoid valve.
4, rock gas permeability detector according to claim 1 is characterized in that: above-mentioned vernier caliper is digital vernier caliper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620073619 CN200958991Y (en) | 2006-06-09 | 2006-06-09 | Rock air permeability examiner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620073619 CN200958991Y (en) | 2006-06-09 | 2006-06-09 | Rock air permeability examiner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200958991Y true CN200958991Y (en) | 2007-10-10 |
Family
ID=38785873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620073619 Expired - Fee Related CN200958991Y (en) | 2006-06-09 | 2006-06-09 | Rock air permeability examiner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200958991Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985875A (en) * | 2010-09-27 | 2011-03-16 | 中国石油大学(华东) | Hydraulic pulse-assisted reservoir chemical remedial treatment experiment device and method |
| CN102031955A (en) * | 2010-09-27 | 2011-04-27 | 中国石油大学(华东) | Ultrasonic-assisted reservoir stratum chemical blockage removal experimental facility and experimental method |
| CN102435537A (en) * | 2011-11-21 | 2012-05-02 | 中国石油大学(华东) | Measuring device for gas permeability of coal rock core |
| CN101487831B (en) * | 2009-02-06 | 2012-06-20 | 西南石油大学 | Method for fast confirming compact rock core damage |
| CN102621034A (en) * | 2012-03-29 | 2012-08-01 | 中国石油大学(华东) | Reservoir capillary pressure curve determinator under high temperature and pressure |
| CN107063968A (en) * | 2017-05-02 | 2017-08-18 | 三峡大学 | Concrete gas testing permeability device and method |
| CN107703039A (en) * | 2017-09-22 | 2018-02-16 | 中国石油大学(北京) | Rock permeability measurement apparatus |
| CN110296921A (en) * | 2018-03-21 | 2019-10-01 | 中国石油化工股份有限公司 | The test device and test method of steady state method shale gas permeability under reservoir conditions |
-
2006
- 2006-06-09 CN CN 200620073619 patent/CN200958991Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101487831B (en) * | 2009-02-06 | 2012-06-20 | 西南石油大学 | Method for fast confirming compact rock core damage |
| CN101985875A (en) * | 2010-09-27 | 2011-03-16 | 中国石油大学(华东) | Hydraulic pulse-assisted reservoir chemical remedial treatment experiment device and method |
| CN102031955A (en) * | 2010-09-27 | 2011-04-27 | 中国石油大学(华东) | Ultrasonic-assisted reservoir stratum chemical blockage removal experimental facility and experimental method |
| CN102031955B (en) * | 2010-09-27 | 2013-04-17 | 中国石油大学(华东) | Ultrasonic-assisted reservoir stratum chemical blockage removal experimental facility and experimental method |
| CN101985875B (en) * | 2010-09-27 | 2013-05-08 | 中国石油大学(华东) | Hydraulic pulse-assisted reservoir chemical remedial treatment experiment device and method |
| CN102435537A (en) * | 2011-11-21 | 2012-05-02 | 中国石油大学(华东) | Measuring device for gas permeability of coal rock core |
| CN102621034A (en) * | 2012-03-29 | 2012-08-01 | 中国石油大学(华东) | Reservoir capillary pressure curve determinator under high temperature and pressure |
| CN102621034B (en) * | 2012-03-29 | 2014-05-14 | 中国石油大学(华东) | Reservoir capillary pressure curve determinator under high temperature and pressure |
| CN107063968A (en) * | 2017-05-02 | 2017-08-18 | 三峡大学 | Concrete gas testing permeability device and method |
| CN107703039A (en) * | 2017-09-22 | 2018-02-16 | 中国石油大学(北京) | Rock permeability measurement apparatus |
| CN110296921A (en) * | 2018-03-21 | 2019-10-01 | 中国石油化工股份有限公司 | The test device and test method of steady state method shale gas permeability under reservoir conditions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071010 Termination date: 20130609 |