CN107917867A - A kind of multi-functional rock sample test device - Google Patents
A kind of multi-functional rock sample test device Download PDFInfo
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- CN107917867A CN107917867A CN201710967827.3A CN201710967827A CN107917867A CN 107917867 A CN107917867 A CN 107917867A CN 201710967827 A CN201710967827 A CN 201710967827A CN 107917867 A CN107917867 A CN 107917867A
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- pressure
- core chamber
- manifold
- control valve
- core
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- 239000011435 rock Substances 0.000 title claims abstract description 63
- 238000012360 testing method Methods 0.000 title claims abstract description 50
- 230000006835 compression Effects 0.000 claims abstract description 34
- 238000007906 compression Methods 0.000 claims abstract description 34
- 239000011148 porous material Substances 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 239000013078 crystal Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 229920002449 FKM Polymers 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000010425 asbestos Substances 0.000 claims description 4
- 229910052895 riebeckite Inorganic materials 0.000 claims description 4
- 230000035699 permeability Effects 0.000 abstract description 26
- 230000015572 biosynthetic process Effects 0.000 abstract description 21
- 238000002474 experimental method Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000011545 laboratory measurement Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/088—Investigating volume, surface area, size or distribution of pores; Porosimetry
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fluid Mechanics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of multi-functional rock sample test device,It is related to oilfield prospecting developing technical field,The technical problem such as core porosity and permeability test cannot be completed at the same time for solving existing equipment,Including core chamber,Vacuum machine,Normal pressure room,Pass through manifold connecting shaft pressure pressure pump and back-pressure compression pump at the top of core chamber,Confined pressure compression pump is connected by manifold in the middle part of core chamber,Connecting hole pressure pressure pumps on the manifold that core chamber is connected with normal pressure room,Core chamber connects with back-pressure compression pump sets control valve one and pressure gauge one on manifold,Control valve two and pressure gauge two are set on core chamber and axis pressure pressure pump connection manifold,Core chamber connects with confined pressure compression pump sets control valve three and pressure gauge three on manifold,Core chamber connects with normal pressure room sets control valve four and pressure gauge four on manifold,The present invention passes through simulated formation axis pressure,Confined pressure and formation temperature situation,Complete core porosity and permeability test at the same time on a table apparatus.
Description
Technical field
The present invention relates to oilfield prospecting developing technical field, more particularly relates to a kind of multi-functional rock sample test device.
Background technology
In oil and gas recovery process, there is the flow performance of underground fluid, the medium of fluid flowing is storage
Layer rock, flowing of the reservoir fluid in formation rock relates to the test of every physical features of formation core sample, wherein just
Including porosity, permeability.Porosity determines the storage and collection performance of rock, and permeability represents reservoir rock in certain pressure difference
Under, it is allowed to the performance that fluid (oil, gas and water) passes through.It is oil and gas resource evaluation and development plan design to accurately measure permeability
Geological foundation, infiltrative accurate calibration directly affect oil, gas well yield.
The permeability on stratum can change with the change of the axial compressive force of landing surface, confined pressure and formation temperature.Rock oozes
Saturating rate parameter is mainly obtained from core analysis, earthquake, well logging and well testing, and the method for laboratory measurement permeability have recognised rock
Anisotropic and anisotropism, measurement result are also relatively more direct, accurate.At present, it is relatively more to test rock sample permeability method, greatly
Majority is the permeability that rock sample is tested under conditions of normal temperature and pressure, or only by on-load pressure without adding into trip temperature
Carry.Before testing permeability, the analysis that porosity generally must be all carried out to the rock sample is tested.In the prior art, adopt
Porosity is measured with special measuring instrument, including source of the gas, the reference cell and sample room and pressure sensor that are connected with source of the gas
Deng.
At present, the triaxial pressure loading experiment or permeability that rock can only be individually completed in the existing equipment of in the market are surveyed
Examination experiment, but porosity cannot be tested and both permeability test experiments with pressure test combine, in an equipment
Upper progress, meanwhile, in existing equipment can not simulated formation temperature situation.Therefore, design one kind can complete hole at the same time
Porosity is tested and the multi-functional rock sample test device of permeability test experiments just seems particularly necessary.
The content of the invention
It is an object of the invention to：The test of rock porosity and permeability cannot be completed at the same time in order to solve existing equipment
Etc. technical problem, the present invention provides a kind of multi-functional rock sample test device.
The present invention specifically uses following technical scheme to achieve these goals：
A kind of multi-functional rock sample test device, including core chamber, vacuum machine, normal pressure room, core chamber are responsible for rock sample
Fix and load, rock sample room size can meet to place a diameter of 2.5 inches, and length is the rock sample of 10cm, and core chamber bottom leads to
Cross manifold and connect vacuum machine and normal pressure room respectively, vacuum machine vacuumizes for rock sample room, rock sample room is in vacuum environment, institute
State and axis pressure pressure pump is connected with by manifold at the top of core chamber, the core chamber top is also associated with back-pressure pressure by manifold
Pump, is connected with confined pressure compression pump in the middle part of the core chamber by manifold, on the manifold that the core chamber is connected with normal pressure room
Pore pressure compression pump is also associated with, the core chamber connects with back-pressure compression pump and control valve one and pressure gauge one is provided with manifold,
Control valve two and pressure gauge two, the core chamber and confined pressure pressure are provided with the core chamber and axis pressure pressure pump connection manifold
Control valve three and pressure gauge three are provided with pump connection manifold, the core chamber connects with normal pressure room and control is provided with manifold
Valve four and pressure gauge four processed.Axis pressure pressure pump, confined pressure compression pump, back-pressure compression pump and pore pressure pressure are set respectively outside core chamber
Pump, first tests core porosity, closing control valve one, control valve two, control valve three, control valve four and control valve
Six, control valve five is opened, by controlling control valve five to coordinate vacuum machine to extract rock core room air out, core chamber is in vacuum
Environment, closing control valve one and control valve five, open control valve two and control valve three, utilize axis pressure pressure pump and confined pressure compression pump
Axis pressure and confined pressure loading are carried out to rock core, while axis pressure confined pressure constantly loads, control valve six is opened, utilizes pore pressure compression pump
Pore pressure is injected to rock core, control valve four is opened, core porosity is measured using Standard rock sample room, tests rock core hole
After degree, closing control valve four, control valve six, constantly carry out core chamber pressure and are added by confined pressure compression pump and axis pressure pressure pump
Carry, simulated formation axial compressive force and stratum confined pressure, needs are adjusted by adjusting control valve two, control valve three to pressure
Test pressure, records and reads respectively axis pressure and the confined pressure around rock sample room, using carbon crystal using pressure gauge two and pressure gauge three
Heating insulation layer is slowly heated core chamber, and heating periphery is room temperature to 150 degrees Celsius, simulated formation temperature conditionss, root
According to the situation of simulated formation axial compressive force, confined pressure and formation temperature, testing rock core permeability with axis pressure, confined pressure, temperature change
Situation, is analyzed under different condition of formation pressure, the changing rule of rock sample permeability.
Further, carbon crystal heating insulation layer is provided with outside the core chamber, carbon crystal heating insulation layer is covered in rock sample
Outdoor, is slowly heated core chamber, heating periphery for room temperature to 150 degrees Celsius, can with simulated formation temperature conditionss, use
In core permeability of the test under formation temperature conditions.
Further, the rock core chamber interior walls are provided with asbestos layer, when carbon crystal heating layer heats core chamber, stone
Cotton layer plays the role of maintaining stable experimental temperature, simulated formation temperature conditionss.
Further, viton seal ring is provided with the top of the core chamber, viton seal ring plays sealing core chamber
Effect, core chamber is in vacuum environment, influence permeability test result.
Further, the core chamber is connected on manifold with vacuum machine is provided with vacuum meter, the vacuum machine and vacuum meter
Between be additionally provided with control valve five, vacuum meter is used to adjust the pressure condition in record vacuum machine, by controlling control valve five to match somebody with somebody
Close vacuum machine to extract rock core room air out, core chamber is in vacuum environment.
Further, the core chamber is made of high pressure resistant stainless steel material, and core chamber uses high pressure resistant stainless steel
The axial compressive force that material can bear maximum is 200Mpa, maximum confined pressure 100Mpa, rock core is being received axis pressure and confined pressure loading
When, do not damage core chamber.
Further, the normal pressure room is arranged to the stainless steel tank body that volume is 10ml, and normal pressure room is used to survey
Measure the porosity of rock core.
Further, the normal pressure room is connected on manifold with pore pressure compression pump is provided with control valve six, passes through adjusting
Control valve six reaches the injection pressure needed for testing rock core porosity.
Operation principle of the present invention：The rock core for needing to test is placed in core chamber first, tests 2.5 English of diameter of rock sample
Very little, length 10cm, after treating that rock core is placed, seals core chamber using viton seal ring, outside core chamber respectively
Axis pressure pressure pump, confined pressure compression pump, back-pressure compression pump and pore pressure compression pump are set, core porosity is tested first, is closed
Control valve one, control valve two, control valve three, control valve four and control valve six are closed, control valve five is opened, by controlling control valve five
Coordinate vacuum machine to extract rock core room air out, core chamber is in vacuum environment, closing control valve one and control valve five, open
Control valve two and control valve three, carry out axis pressure to rock core using axis pressure pressure pump and confined pressure compression pump and confined pressure load, axis pressure is enclosed
While pressure constantly loads, control valve six is opened, pore pressure is injected to rock core using pore pressure compression pump, opens control valve four, utilizes
Standard rock sample room measures core porosity, and after testing core porosity, closing control valve four, control valve six, pass through
Confined pressure compression pump and axis pressure pressure pump constantly carry out core chamber pressure-loaded, simulated formation axial compressive force and stratum confined pressure, lead to
Overregulate control valve two, pressure is adjusted the test pressure of needs in control valve three, utilize pressure gauge two and pressure gauge three
Axis pressure and the confined pressure around rock sample room are recorded and read respectively, core chamber is slowly heated using carbon crystal heating insulation layer,
Heating periphery is room temperature to 150 degrees Celsius, simulated formation temperature conditionss, according to simulated formation axial compressive force, confined pressure and stratum temperature
The situation of degree, testing rock core permeability are analyzed under different condition of formation pressure with axis pressure, confined pressure, the situation of change of temperature,
The changing rule of rock sample permeability.
Beneficial effects of the present invention are as follows：
1st, before testing rock core permeability, analysis test is usually carried out to core porosity, conventional core porosity is surveyed
Method for testing only carries out confined pressure loading to rock core, carries out porosity test using Standard rock sample room, the present invention is by carrying out rock core
Loading axis pressure and confined pressure at the same time, injection hole pressure carry out core porosity test, on the basis of core porosity analysis test, simulation
Axial compressive force, confined pressure and formation temperature under formation condition, under the conditions of analyzing Different Strata pressure and temperature, core permeability
Situation of change, realizes the test to core permeability, completes in a test device to the same of core porosity and permeability
When test.
2nd, the present invention is slowly heated core chamber, simulates by setting carbon crystal heating insulation layer outside core chamber
Formation temperature conditions, coordinate the asbestos layer of core chamber, play the role of maintaining stable experimental temperature.
3rd, core porosity of the present invention and permeability test simplify operating process, and data are more easy to read and record.
4th, core chamber of the present invention is made of high pressure resistant stainless steel material, rock core is being received axis pressure and confined pressure loading
When do not damage core chamber, make experimental results more accurate.
5th, the present invention can reach kinds of experiments effect by a table apparatus, while complete core porosity and permeability
Test experiments, have reached multi-purpose machine, have saved place and correlative charges.
Brief description of the drawings
Fig. 1 is a kind of multi-functional rock sample test device structure diagram of the present invention；
Reference numeral：1- back-pressure compression pumps, 2- pressure gauges one, 3- control valves one, 4- axis pressure pressure pump, 5- pressure gauges two,
6- control valves two, 7- confined pressure compression pumps, 8- pressure gauges three, 9- carbon crystal heating insulation layers, 10- core chamber, 11- pore pressure compression pumps,
12- normal pressures room, 13- control valves four, 14- pressure gauges four, 15- control valves five, 16- vacuum machines, 17- control valves three, 18- is true
Sky meter, 19- control valves six.
Embodiment
In order to which those skilled in the art are better understood from the present invention, below in conjunction with the accompanying drawings with following embodiments to the present invention
It is described in further detail.
As shown in Figure 1, the present embodiment provides a kind of multi-functional rock sample test device, including core chamber 10, vacuum machine 16, mark
Quasi- balancing gate pit 12,10 bottom of core chamber connect vacuum machine 16 and normal pressure room 12 by manifold respectively, and the core chamber 10 pushes up
Portion is connected with axis pressure pressure pump 4 by manifold, and the top of core chamber 10 is also associated with back-pressure compression pump 1 by manifold, described
The middle part of core chamber 10 is connected with confined pressure compression pump 7 by manifold, on the manifold that the core chamber 10 is connected with normal pressure room 12
Pore pressure compression pump 11 is also associated with, the core chamber 10 and back-pressure compression pump 1 connect and be provided with control valve 1 and pressure on manifold
Table 1, the core chamber 10 and axis pressure pressure pump 4 connect is provided with control valve 26 and pressure gauge 25, the rock core on manifold
Room 10 and confined pressure compression pump 7 connect and are provided with control valve 3 17 and pressure gauge 38, the core chamber 10 and normal pressure on manifold
Room 12 connects and is provided with control valve 4 13 and pressure gauge 4 14 on manifold.
Carbon crystal heating insulation layer 9 is provided with outside the core chamber 10.
10 inner wall of core chamber is provided with asbestos layer.
The top of core chamber 10 is provided with viton seal ring.
The core chamber 10 is connected on manifold with vacuum machine 16 is provided with vacuum meter 18, the vacuum machine 16 and vacuum meter 18
Between be additionally provided with control valve 5 15.
The core chamber 10 is made of high pressure resistant stainless steel material.
The normal pressure room 12 is arranged to the stainless steel tank body that volume is 10ml.
The normal pressure room 12 is connected on manifold with pore pressure compression pump 11 is provided with control valve 6 19.
The above, is only presently preferred embodiments of the present invention, is not intended to limit the invention, patent protection model of the invention
Enclose and be subject to claims, the equivalent structure change that every specification and accompanying drawing content with the present invention is made, similarly
It should include within the scope of the present invention.
Claims (8)
1. a kind of multi-functional rock sample test device, including core chamber (10), vacuum machine (16), normal pressure room (12), core chamber
(10) bottom connects vacuum machine (16) and normal pressure room (12) by manifold respectively, it is characterised in that：The core chamber (10)
Top is connected with axis pressure pressure pump (4) by manifold, and core chamber (10) top is also associated with back-pressure compression pump by manifold
(1), confined pressure compression pump (7), the core chamber (10) and normal pressure room are connected with by manifold in the middle part of the core chamber (10)
(12) pore pressure compression pump (11), the core chamber (10) and back-pressure compression pump (1) connection manifold are also associated with the manifold of connection
On be provided with control valve one (3) and pressure gauge one (2), is set on the core chamber (10) and axis pressure pressure pump (4) connection manifold
There are control valve two (6) and pressure gauge two (5), control is provided with the core chamber (10) and confined pressure compression pump (7) connection manifold
Control valve four is provided with valve three (17) and pressure gauge three (8), the core chamber (10) and normal pressure room (12) connection manifold
(13) and pressure gauge four (14).
2. multi-functional rock sample test device according to claim 1, it is characterised in that：Set outside the core chamber (10)
There is carbon crystal heating insulation layer (9).
3. multi-functional rock sample test device according to claim 1 or 2, it is characterised in that：Core chamber (10) inner wall
It is provided with asbestos layer.
4. multi-functional rock sample test device according to claim 1 or 2, it is characterised in that：At the top of the core chamber (10)
It is provided with viton seal ring.
5. multi-functional rock sample test device according to claim 1, it is characterised in that：The core chamber (10) and vacuum machine
(16) connect on manifold and be provided with vacuum meter (18), control valve five is additionally provided between the vacuum machine (16) and vacuum meter (18)
(15)。
6. multi-functional rock sample test device according to claim 1, it is characterised in that：The core chamber (10) uses resistance to height
Pressure stainless steel material is made.
7. multi-functional rock sample test device according to claim 1, it is characterised in that：The normal pressure room (12) is set
It is the stainless steel tank body of 10ml for volume.
8. the multi-functional rock sample test device according to claim 1 or 7, it is characterised in that：The normal pressure room (12)
It is connected with pore pressure compression pump (11) on manifold and is provided with control valve six (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710967827.3A CN107917867A (en) | 2017-10-17 | 2017-10-17 | A kind of multi-functional rock sample test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710967827.3A CN107917867A (en) | 2017-10-17 | 2017-10-17 | A kind of multi-functional rock sample test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107917867A true CN107917867A (en) | 2018-04-17 |
Family
ID=61894770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710967827.3A Withdrawn CN107917867A (en) | 2017-10-17 | 2017-10-17 | A kind of multi-functional rock sample test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107917867A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110531052A (en) * | 2019-09-17 | 2019-12-03 | 中国石油大学(华东) | It is a kind of to cover pressure supercentrifuge high temperature and pressure core chamber and its bindiny mechanism for the measurement of rock core irreducible water saturation |
| CN110596159A (en) * | 2019-09-19 | 2019-12-20 | 中国科学院广州地球化学研究所 | Rock on-line heating porosity test additional device |
| CN117538236A (en) * | 2024-01-08 | 2024-02-09 | 中国地质大学（武汉） | Shale overburden pore infiltration combined measurement device and method |
-
2017
- 2017-10-17 CN CN201710967827.3A patent/CN107917867A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110531052A (en) * | 2019-09-17 | 2019-12-03 | 中国石油大学(华东) | It is a kind of to cover pressure supercentrifuge high temperature and pressure core chamber and its bindiny mechanism for the measurement of rock core irreducible water saturation |
| CN110596159A (en) * | 2019-09-19 | 2019-12-20 | 中国科学院广州地球化学研究所 | Rock on-line heating porosity test additional device |
| CN117538236A (en) * | 2024-01-08 | 2024-02-09 | 中国地质大学（武汉） | Shale overburden pore infiltration combined measurement device and method |
| CN117538236B (en) * | 2024-01-08 | 2024-04-09 | 中国地质大学（武汉） | Shale overburden pore infiltration combined measurement device and method |
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180417 |