CN207516210U - Porosity and permeability test device under a kind of simulation stratum condition - Google Patents
Porosity and permeability test device under a kind of simulation stratum condition Download PDFInfo
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- CN207516210U CN207516210U CN201721337197.3U CN201721337197U CN207516210U CN 207516210 U CN207516210 U CN 207516210U CN 201721337197 U CN201721337197 U CN 201721337197U CN 207516210 U CN207516210 U CN 207516210U
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- pressure
- core chamber
- manifold
- porosity
- control valve
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Abstract
The utility model discloses porosity and permeability test devices under a kind of simulation stratum condition,It is related to oilfield prospecting developing technical field,The technical problems such as core porosity and permeability test cannot be completed simultaneously 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,Confining 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 connect with normal pressure room,Core chamber connects with back-pressure compression pump sets control valve one and pressure gauge one on manifold,Setting control valve two and pressure gauge two in core chamber and axis pressure pressure pump connection manifold,Core chamber connects with confining 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 utility model passes through simulated formation axis pressure,Confining pressure and temperature conditions,Complete porosity and permeability test simultaneously on a table apparatus.
Description
Technical field
The utility model is related to oilfield prospecting developing technical fields, more particularly relate to a kind of simulation stratum condition lower opening
Porosity and permeability 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, allow fluid (oil, gas and water) by performance.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 variation of the axial compressive force of landing surface, confining 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 has recognised rock
Anisotropic and anisotropism, measurement result are also relatively more direct, accurate.At present, test rock sample permeability method is relatively more, greatly
Majority is the permeability of rock sample to be tested under conditions of normal temperature and pressure or only by on-load pressure without adding into trip temperature
It carries.Before testing permeability, the analysis test that porosity is carried out to the rock sample is generally all obtained.In the prior art, it adopts
Porosity, the reference cell connected including air source, with air source and sample room and pressure sensor are measured with special measuring instrument
Deng.
At present, the triaxial pressure loading experiment or permeability that can only individually complete rock in existing equipment in the market are surveyed
Examination experiment, but porosity cannot be tested and both permeability test experiments with pressure test combine, in a table apparatus
Upper progress, meanwhile, in existing equipment can not simulated formation temperature situation.Therefore, design one kind can complete hole simultaneously
Porosity is tested and the device of permeability test experiments just seems particularly necessary.
Utility model content
The purpose of this utility model is that：Core porosity and permeability cannot be completed simultaneously in order to solve existing equipment
The technical problems such as test, the utility model provide porosity and permeability test device under a kind of simulation stratum condition.
The utility model specifically uses following technical scheme to achieve these goals：
Porosity and permeability test device under a kind of simulation stratum condition, including core chamber, vacuum machine, normal pressure
Room, core chamber are responsible for fixation and the loading of rock sample, and rock sample room size, which can meet, places a diameter of 2.5 inches, length 10cm
Rock sample, core chamber bottom connects vacuum machine and normal pressure room by manifold respectively, and vacuum machine is vacuumized for rock sample room, makes rock
Specimen chamber is in vacuum environment, and being connected with axis pressure pressure by manifold at the top of the core chamber pumps, and passes through pipe at the top of the core chamber
Remittance is also associated with back-pressure compression pump, and the core chamber middle part is connected with confining pressure compression pump, the core chamber and standard by manifold
Pore pressure compression pump is also associated on the manifold of balancing gate pit's connection, the core chamber connects with back-pressure compression pump and control is provided on manifold
Control valve two and pressure gauge two, institute are provided on valve one and pressure gauge one processed, the core chamber and axis pressure pressure pump connection manifold
It states core chamber and is connected with confining pressure compression pump and control valve three and pressure gauge three are provided on manifold, the core chamber and normal pressure room
Control valve four and pressure gauge four are provided on connection manifold.Axis pressure pressure pump, confining pressure compression pump, anti-is set respectively outside core chamber
Pressure pressure pump and pore pressure compression pump, core porosity is tested first, closing control valve one, control valve two, control valve three,
Control valve four and control valve six open control valve five, by controlling control valve five that vacuum machine is coordinated to extract rock core room air out,
Core chamber is made to be in vacuum environment, closing control valve one and control valve five, opens control valve two and control valve three, is pressed using axis
Power pumps and axis pressure is carried out to rock core for confining pressure compression pump and confining pressure loads, and while axis pressure confining pressure constantly loads, opens control valve
Six, pore pressure is injected to rock core using pore pressure compression pump, opens control valve four, core porosity is surveyed using Standard rock sample room
Amount, after testing core porosity, closing control valve four, control valve six, by confining pressure compression pump and axis pressure pressure pump to rock core
Room constantly carries out pressure-loaded, simulated formation axial compressive force and stratum confining pressure, by adjusting control valve two, control valve three to pressure
The test pressure of needs is adjusted, the axis pressure around rock sample room is recorded and read respectively using pressure gauge two and pressure gauge three
And confining pressure, core chamber is slowly heated using carbon crystal heating insulation layer, heating periphery for room temperature to 150 degrees Celsius, simulation
Formation temperature conditions, according to the situation of simulated formation axial compressive force, confining pressure and formation temperature, testing rock core permeability with axis pressure,
Confining pressure, the situation of change of temperature, are 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 condition, 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 condition.
Further, viton seal ring is provided at the top of the core chamber, viton seal ring plays sealing core chamber
Effect, core chamber is made to be in vacuum environment, influences permeability test result.
Further, the core chamber, which is connect with vacuum machine on manifold, is provided with vacuum meter, the vacuum machine and vacuum meter
Between be additionally provided with control valve five, vacuum meter is for adjusting the pressure condition in record vacuum machine, by the way that control valve five is controlled to match
It closes vacuum machine to extract rock core room air out, core chamber is made to be 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
Material can bear maximum axial compressive force as 200Mpa, maximum confining pressure 100Mpa, and rock core is made to receive axis pressure and confining pressure loading
When, do not damage core chamber.
Further, the normal pressure room is set as 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, which is connect with pore pressure compression pump on manifold, is provided with control valve six, passes through adjusting
Control valve six reaches the injection pressure needed for testing rock core porosity.
The beneficial effects of the utility model 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 confining pressure loading to rock core, carries out porosity test using Standard rock sample room, the utility model passes through to rock core
Loading axis pressure and confining pressure simultaneously are carried out, injection hole pressure carries out core porosity test, on the basis of core porosity analysis test,
Axial compressive force, confining pressure and formation temperature under simulation stratum condition, under the conditions of analyzing Different Strata pressure and temperature, rock core infiltration
The situation of change of rate realizes the test to core permeability, completes in a test device to core porosity and permeability
While test.
2nd, the utility model by outside core chamber set carbon crystal heating insulation layer, core chamber is slowly heated,
Simulated formation temperature condition coordinates the asbestos layer of core chamber, plays the role of maintaining stable experimental temperature.
3rd, the utility model core porosity and permeability test simplify operating process, and data are more easy to read and record.
4th, core chamber described in the utility model is made of high pressure resistant stainless steel material, and rock core is made to receive axis pressure and confining pressure
Core chamber is not damaged during loading, makes experimental results more accurate.
5th, the utility model can reach kinds of experiments effect, while complete core porosity and infiltration by a table apparatus
The test experiments of rate, have reached multi-purpose machine, have saved place and correlative charges.
Description of the drawings
Fig. 1 is porosity and permeability test device structure diagram under a kind of simulation stratum condition of the utility model；
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- confining 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.
Specific embodiment
In order to which those skilled in the art are better understood from the utility model, below in conjunction with the accompanying drawings with following embodiment to this
Utility model is described in further detail.
As shown in Figure 1, the present embodiment provides porosity and permeability test device under a kind of simulation stratum condition, including rock
Ventricle 10, vacuum machine 16, normal pressure room 12,10 bottom of core chamber connect vacuum machine 16 and normal pressure room by manifold respectively
12,10 top of core chamber is connected with axis pressure pressure pump 4 by manifold, and 10 top of core chamber is also associated with by manifold
Back-pressure compression pump 1,10 middle part of core chamber are connected with confining pressure compression pump 7, the core chamber 10 and normal pressure by manifold
Pore pressure compression pump 11 is also associated on the manifold that room 12 connects, the core chamber 10 and back-pressure compression pump 1 connect to be set on manifold
There are control valve 1 and pressure gauge 1, control valve 26 and pressure are provided on 4 connection manifold of the core chamber 10 and axis pressure pressure pump
Power table 25, the core chamber 10 and confining pressure compression pump 7 connect and are provided with control valve 3 17 and pressure gauge 38, the rock on manifold
Ventricle 10 and normal pressure room 12 connect and are 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.
10 top of core chamber is provided with viton seal ring.
The core chamber 10, which is connect with vacuum machine 16 on manifold, 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 set as the stainless steel tank body that volume is 10ml.
The normal pressure room 12, which is connect with pore pressure compression pump 11 on manifold, is provided with control valve 6 19.
During utility model works：The rock sample for needing to test is placed in core chamber, 2.5 inches of diameter of usually boring sample is long
The rock core of 10cm is spent, after treating that rock core is placed, core chamber is sealed using viton seal ring, outside core chamber respectively
Axis pressure pressure pump, confining 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
Cooperation vacuum machine extracts rock core room air out, and core chamber is made to be in vacuum environment, closing control valve one and control valve five, opens
Control valve two and control valve three carry out axis pressure to rock core using axis pressure pressure pump and confining pressure compression pump and confining pressure load, and 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
Confining pressure compression pump and axis pressure pressure pump constantly carry out core chamber pressure-loaded, simulated formation axial compressive force and stratum confining 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 confining 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 condition, according to simulated formation axial compressive force, confining pressure and stratum temperature
The situation of degree, testing rock core permeability are analyzed under different condition of formation pressure with axis pressure, confining pressure, the situation of change of temperature,
The changing rule of rock sample permeability.
The preferred embodiment of the above, only the utility model, is not intended to limit the utility model, the utility model
Scope of patent protection be subject to claims, what every specification and accompanying drawing content with the utility model was made is equal
Structure change similarly should be included in the scope of protection of the utility model.
Claims (8)
1. a kind of porosity and permeability test device under simulation stratum condition, including core chamber (10), vacuum machine (16), standard
Balancing gate pit (12), core chamber (10) bottom connect vacuum machine (16) and normal pressure room (12) by manifold respectively, and feature exists
In：Axis pressure pressure is connected with by manifold at the top of the core chamber (10) and pumps (4), at the top of the core chamber (10) by manifold also
Back-pressure compression pump (1) is connected with, core chamber (10) middle part is connected with confining pressure compression pump (7), the core chamber by manifold
(10) pore pressure compression pump (11), the core chamber (10) and back-pressure pressure are also associated on the manifold being connect with normal pressure room (12)
Control valve one (3) and pressure gauge one (2), the core chamber (10) and axis pressure pressure pump (4) are provided on power pump (1) connection manifold
Control valve two (6) and pressure gauge two (5), the core chamber (10) and confining pressure compression pump (7) connecting tube are provided on connection manifold
Control valve three (17) and pressure gauge three (8) are provided in remittance, the core chamber (10) and normal pressure room (12) are connected on manifold
It is provided with control valve four (13) and pressure gauge four (14).
2. porosity and permeability test device under simulation stratum condition according to claim 1, it is characterised in that：It is described
Carbon crystal heating insulation layer (9) is provided with outside core chamber (10).
3. porosity and permeability test device under simulation stratum condition according to claim 1 or 2, it is characterised in that：
Core chamber (10) inner wall is provided with asbestos layer.
4. porosity and permeability test device under simulation stratum condition according to claim 1 or 2, it is characterised in that：
Viton seal ring is provided at the top of the core chamber (10).
5. porosity and permeability test device under simulation stratum condition according to claim 1, it is characterised in that：It is described
Core chamber (10), which is connect with vacuum machine (16) on manifold, is provided with vacuum meter (18), the vacuum machine (16) and vacuum meter (18) it
Between be additionally provided with control valve five (15).
6. porosity and permeability test device under simulation stratum condition according to claim 1, it is characterised in that：It is described
Core chamber (10) is made of high pressure resistant stainless steel material.
7. porosity and permeability test device under simulation stratum condition according to claim 1, it is characterised in that：It is described
Normal pressure room (12) is set as the stainless steel tank body that volume is 10ml.
8. porosity and permeability test device under the simulation stratum condition according to claim 1 or 7, it is characterised in that：
The normal pressure room (12), which is connect with pore pressure compression pump (11) on manifold, is provided with control valve six (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721337197.3U CN207516210U (en) | 2017-10-17 | 2017-10-17 | Porosity and permeability test device under a kind of simulation stratum condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721337197.3U CN207516210U (en) | 2017-10-17 | 2017-10-17 | Porosity and permeability test device under a kind of simulation stratum condition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207516210U true CN207516210U (en) | 2018-06-19 |
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ID=62534665
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721337197.3U Expired - Fee Related CN207516210U (en) | 2017-10-17 | 2017-10-17 | Porosity and permeability test device under a kind of simulation stratum condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207516210U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761046A (en) * | 2018-08-21 | 2018-11-06 | 西南石油大学 | A kind of rock-fluid reciprocation experimental system for simulating |
| CN108982333A (en) * | 2018-10-18 | 2018-12-11 | 四川富利斯达石油科技发展有限公司 | A kind of gas survey core porosity device |
| CN109060634A (en) * | 2018-09-14 | 2018-12-21 | 重庆科技学院 | Based on gas permeability evaluation slippery water to the method for shale permeability impact effect |
-
2017
- 2017-10-17 CN CN201721337197.3U patent/CN207516210U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761046A (en) * | 2018-08-21 | 2018-11-06 | 西南石油大学 | A kind of rock-fluid reciprocation experimental system for simulating |
| CN108761046B (en) * | 2018-08-21 | 2024-03-08 | 西南石油大学 | Rock-fluid interaction simulation experiment system |
| CN109060634A (en) * | 2018-09-14 | 2018-12-21 | 重庆科技学院 | Based on gas permeability evaluation slippery water to the method for shale permeability impact effect |
| CN108982333A (en) * | 2018-10-18 | 2018-12-11 | 四川富利斯达石油科技发展有限公司 | A kind of gas survey core porosity device |
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| 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: 20180619 Termination date: 20191017 |