CN206300877U - A kind of specific surface of rock measurement apparatus - Google Patents
A kind of specific surface of rock measurement apparatus Download PDFInfo
- Publication number
- CN206300877U CN206300877U CN201621386503.8U CN201621386503U CN206300877U CN 206300877 U CN206300877 U CN 206300877U CN 201621386503 U CN201621386503 U CN 201621386503U CN 206300877 U CN206300877 U CN 206300877U
- Authority
- CN
- China
- Prior art keywords
- specific surface
- glass container
- holding unit
- rock
- measurement apparatus
- 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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Abstract
The utility model discloses a kind of specific surface of rock measurement apparatus, including core holding unit, hand pump and glass container, one end of the core holding unit is connected by fluid pipeline with the hand pump, for giving core holding unit pressurization, the other end is connected by gas pipeline with the glass container, and the water discharge in the glass container is carried out into specific surface of rock measurement after being pressurized for the core holding unit.The mode that will be pressurizeed to core holding unit with nitrogen originally, makes water filling pressuring method into, it is to avoid was pressurizeed to annular space with nitrogen in the past and caused the rubber case crimp seal not tight, so as to influence the progress issue of experiment.
Description
【Technical field】
The utility model belongs to petroleum works technical field, and in particular to a kind of to be surveyed using the experimental principle for more optimizing
Measure the device of specific surface of rock.
【Background technology】
The measure of specific surface of rock has a highly important status in terms of petroleum works, the permeability of rock, fluid and rock
Flow resistance in rock of superficial phenomenon, fluid when stone is contacted all with this relating to parameters of specific surface of rock, use conventional method
When determining specific surface of rock, experiment success rate is low, and measured result error is larger, in order to solve produced problem in testing, it is necessary to
Original device is improved, specific surface of rock can be more accurately measured, for oil-gas field development from now on provides reliable
Geologic basis.
【Utility model content】
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, there is provided one kind is more
Accurately, the device of efficient measurement specific surface of rock, solve experiment success rate existing for existing measurement specific surface of rock device it is low and
The larger shortcoming of measurement error.
The utility model uses following technical scheme：
A kind of specific surface of rock measurement apparatus, including core holding unit, hand pump and glass container, the core holding unit
One end is connected by fluid pipeline with the hand pump, and for giving core holding unit pressurization, the other end passes through gas pipeline
It is connected with the glass container, the water discharge in the glass container is carried out into rock ratio after being pressurized for the core holding unit
Planar survey.
Further, the hand pump is connected with plastic containers by water injection valve, for the hand pump water adding.
Further, it is provided with pressurizing valve on the fluid pipeline.
Further, relief valve is provided between the pressurizing valve and the core holding unit and for surveying annular pressure
Pressure gauge.
Further, the glass container lower end is provided with metering units, and the metering units are used to measure the glass
The flow of water in container.
Further, the metering units include flow control valve and flowmeter, and the glass container lower end is through inflow-rate of water turbine
Regulating valve connects the flowmeter, and the flowmeter is connected with water drum.
Further, pressure sensor is provided with the glass container, the pressure sensor is connected with pressure gauge.
Further, the glass container upper end is provided with priming valve, and lower end is provided with discharging valve.
Further, the core holding unit lower end is provided with air outlet valve.
Compared with prior art, the utility model at least has the advantages that：
A kind of specific surface of rock measurement apparatus of the utility model, the mode that will be pressurizeed to core holding unit with nitrogen originally changes
Into water filling pressuring method in the past, it is to avoid pressurizeed to annular space with nitrogen and caused the rubber case crimp seal not tight, so as to influence
The progress issue of experiment；
Further, the water of plastic containers is added in the middle of the annular space of core holding unit by hand pump, and is passed through
Pressure gauge observes the pressure registration of annular space, by pressurizing valve and relief valve can accurate control pressure, it is easy to operate.
Further, the device measures glass using pinpoint accuracy, highly sensitive pressure sensor and pressure display instrument
Pressure in glass water receptacle, improves experimental precision, solves and calculated pressure according to difference in height in the past, causes reading to be forbidden, real
Test the larger problem of resultant error.
Further, the device installs a flow indicator in water export, directly reads the flow after waterflow stabilization,
Save in the past with graduated cylinder and stopwatch come the time of calculated flow rate, improve the accuracy of experiment.
Present apparatus experiment success rate is high in sum, and measurement result is more accurate, is effectively saved the time.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
【Brief description of the drawings】
Fig. 1 is structural representation of the present utility model.
Wherein：1. hand pump；2. water injection valve；3. plastic containers；4. pressurizing valve；5. relief valve；6. pressure gauge；7. liquid line
Road；8. core holding unit；9. air outlet valve；10. gas pipeline；11. priming valves；12. pressure sensors；13. pressure gauges；14. glass
Glass container；15. flow control valves；16. discharging valves；17. flowmeters；18. water drums.
【Specific embodiment】
Refer to shown in Fig. 1, the utility model discloses a kind of specific surface of rock measurement apparatus, including core holding unit 8, hand
Pump 1 and glass container 14 are shaken, one end of the core holding unit 8 is connected by fluid pipeline 7 with the hand pump 1, for giving
The core holding unit 8 is pressurizeed, and the other end is connected by gas pipeline 10 with the glass container 14, for rock core clamping
Water discharge in the glass container 14 is carried out specific surface of rock measurement by device 8 after being pressurized.
Wherein, the hand pump 1 is connected with plastic containers 3 by water injection valve 2, for being added water to the hand pump 1.It is described
Pressurizing valve 4 is provided with fluid pipeline 7.Relief valve 5 is provided between the pressurizing valve 4 and the core holding unit 8 and is used for
Survey the pressure gauge 6 of annular pressure.
Preferably, the lower end of the glass container 14 is provided with metering units, and the metering units are used to measure the glass
The flow of water in container 14.The metering units include flow control valve 15 and flowmeter 17, the lower end of the glass container 14 warp
Excessively stream adjustable valve 15 connects the flowmeter 17, and the flowmeter is connected with water drum 18.
Pressure sensor 12 is provided with the glass container 14, the pressure sensor 12 is connected with pressure gauge 13.Institute
State the upper end of glass container 14 and be provided with priming valve 11, lower end is provided with discharging valve 16.The lower end of the core holding unit 8 is provided with out
Air valve 9.
The core holding unit 8 of the device is connected with hand pump 1 by fluid pipeline 7 and accommodates device pressurization to rock core, hand
Water injection valve 2 is installed on the right of pump 1, plastic containers 3 are installed to hand pump water adding in the top of water injection valve 2,7 installations add on fluid pipeline
Pressure valve 4, is equipped with relief valve 5 and the pressure gauge 6 for surveying annular pressure between pressurizing valve 4 and core holding unit 8；In rock core folder
A transparent glass container 14 is installed on the right of holder 8, and core holding unit 8 and transparent glass container are connected with gas pipeline 10
14, one priming valve 11 is installed in the upper end of glass container 14, pressure sensor 12 is installed in glass container 14, and by leading
Line is connected with pressure gauge 13, flow control valve 15 is installed in the lower end of glass container 14, in 15 times installation flowmeters of flow control valve
17, flowmeter 17 is connected with water drum 18, and discharging valve 16 is finally installed under glass container.
The utility model rock core specific surface experimental provision, when in use：
First to water filling in plastic containers 3 and glass container 14, to the water that about 2/3 is noted in glass container 14, rock core
It is put into core holding unit, the water of plastic containers 3 is added in the middle of the annular space of core holding unit 8 by hand pump 1, and lead to
Excess pressure table 6 observes the pressure registration of the annular space, and Stress control is carried out by pressurizing valve 4 and relief valve 5, makes pressure control
System now opens flow control valve 15 in 0.7~1.4MPa, the water in glass container 14 is flowed out with certain flow, works as stream
During amount stabilization, the registration Q of now the registration P of pressure gauge 13 and flow indicator 17 is read.
Wherein rock specific superficial area S determines formula：
In formula：The porosity of-rock sample, decimal；A-rock sample sectional area, cm2；L-rock sample length, cm；μ-at room temperature
The viscosity of air, mPa.s；Q-by the air mass flow of rock core, cm3/s；The density of ρ-water, g/cm3；G- acceleration of gravity, N/
kg；P1- room pressure, Mpa；Pressure in P- glass containers, Mpa.
Knowable to from formula, when porosity, it is known that the A and L of rock sample can directly use vernier caliper measurement, μ is by tabling look-up
Arrive, as long as P1 room pressures are, it is known that the density of water by pressure, it is known that measure to obtain pressure P and corresponding flow Q in glass container
Just the specific surface of rock sample can be calculated.
Above content is only explanation technological thought of the present utility model, it is impossible to limit protection model of the present utility model with this
Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical scheme each falls within this reality
Within protection domain with new claims.
Claims (9)
1. a kind of specific surface of rock measurement apparatus, it is characterised in that：Including core holding unit (8), hand pump (1) and glass container
(14), one end of the core holding unit (8) is connected by fluid pipeline (7) with the hand pump (1), for the rock core
Clamper (8) is pressurizeed, and the other end is connected by gas pipeline (10) with the glass container (14), for the core holding unit
(8) the water discharge in the glass container (14) is carried out into specific surface of rock measurement after being pressurized.
2. a kind of specific surface of rock measurement apparatus according to claim 1, it is characterised in that：The hand pump (1) is by note
Water valve (2) is connected with plastic containers (3), for being added water to the hand pump (1).
3. a kind of specific surface of rock measurement apparatus according to claim 1, it is characterised in that set on the fluid pipeline (7)
It is equipped with pressurizing valve (4).
4. a kind of specific surface of rock measurement apparatus according to claim 3, it is characterised in that：The pressurizing valve (4) with it is described
Relief valve (5) and the pressure gauge (6) for surveying annular pressure are provided between core holding unit (8).
5. a kind of specific surface of rock measurement apparatus according to claim 1, it is characterised in that：Glass container (14) lower end
Metering units are provided with, the metering units are used to measure the flow of the glass container (14) interior water.
6. a kind of specific surface of rock measurement apparatus according to claim 5, it is characterised in that：The metering units include flow
Regulating valve (15) and flowmeter (17), glass container (14) lower end connect the flowmeter by flow control valve (15)
(17), the flowmeter is connected with water drum (18).
7. a kind of specific surface of rock measurement apparatus according to claim 1, it is characterised in that：Set on the glass container (14)
Pressure sensor (12) is equipped with, the pressure sensor (12) is connected with pressure gauge (13).
8. a kind of specific surface of rock measurement apparatus according to claim 1, it is characterised in that：Glass container (14) upper end
Priming valve (11) is provided with, lower end is provided with discharging valve (16).
9. a kind of specific surface of rock measurement apparatus according to claim 1, it is characterised in that：Under the core holding unit (8)
End is provided with air outlet valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621386503.8U CN206300877U (en) | 2016-12-16 | 2016-12-16 | A kind of specific surface of rock measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621386503.8U CN206300877U (en) | 2016-12-16 | 2016-12-16 | A kind of specific surface of rock measurement apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206300877U true CN206300877U (en) | 2017-07-04 |
Family
ID=59214171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621386503.8U Expired - Fee Related CN206300877U (en) | 2016-12-16 | 2016-12-16 | A kind of specific surface of rock measurement apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206300877U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827850A (en) * | 2018-04-18 | 2018-11-16 | 辽宁石油化工大学 | Measure rock core specific surface and porosity and the relational approach of rock cross-sectional area and instrument |
-
2016
- 2016-12-16 CN CN201621386503.8U patent/CN206300877U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827850A (en) * | 2018-04-18 | 2018-11-16 | 辽宁石油化工大学 | Measure rock core specific surface and porosity and the relational approach of rock cross-sectional area and instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170704 Termination date: 20171216 |