CN112649305B - Device and method for high-temperature high-pressure core testing - Google Patents
Device and method for high-temperature high-pressure core testing Download PDFInfo
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- CN112649305B CN112649305B CN201910966249.0A CN201910966249A CN112649305B CN 112649305 B CN112649305 B CN 112649305B CN 201910966249 A CN201910966249 A CN 201910966249A CN 112649305 B CN112649305 B CN 112649305B
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- 238000012360 testing method Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 15
- 229910052903 pyrophyllite Inorganic materials 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 9
- 239000000523 sample Substances 0.000 claims description 86
- 239000011888 foil Substances 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 239000011435 rock Substances 0.000 abstract description 16
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/18—Performing tests at high or low temperatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/023—Pressure
- G01N2203/0232—High pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0658—Indicating or recording means; Sensing means using acoustic or ultrasonic detectors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a device for testing a high-temperature high-pressure rock core and a method for testing the high-temperature high-pressure rock core, wherein the device comprises the following components: a sample bin with a high-temperature and high-pressure chamber, a stress strain gauge positioned in the high-temperature and high-pressure chamber and used for being fixed on a core sample, and pyrophyllite used for wrapping the core sample and the stress strain gauge. The method for testing the high-temperature high-pressure rock core comprises the following steps: s1, fixing a stress strain gauge on a core sample; s2, wrapping the core sample fixed with the stress strain gauge by using pyrophyllite and placing the core sample in a high-temperature high-pressure cabin of a sample cabin; s3, filling fluid into the high-temperature high-pressure cabin and heating; and S4, carrying out ultrasonic collection on the core sample. The invention can meet the requirement that the rock ultrasonic test and stress strain measurement can be carried out on the rock core under the pressure of 20-300MPa and the temperature of 20-350 ℃.
Description
Technical Field
The invention belongs to the field of petrophysical experiments, and particularly relates to a device for testing a high-temperature high-pressure rock core.
Background
As is well known, shallow oil and gas resources become less and less with the continuous excavation and exploitation of surface oil and gas fields, people begin to target the exploration of oil and gas resources toward deep oil and gas fields. In order to study deep oil and gas fields, it is necessary to simulate the high-temperature and high-pressure environment deep in the ground. By detecting the physical characteristics of the oil-bearing rock under different pressure and temperature conditions, the generation, the change, the migration and the like of the oil reservoir can be researched, and the data of the oil-bearing rock has important guiding significance for the development of oil and gas fields. The high-temperature and high-pressure test device is equipment for simulating the environment.
The main body of the high-temperature high-pressure detection device is a sealed high-pressure bin. In the bin, the sample to be tested is heated and pressurized. The change in physical properties under different conditions is then detected by a built-in probe. Therefore, the device can measure the characteristics of each stage of the sample, which are different from the characteristics of the sample in the normal-temperature and low-pressure environment. In the petroleum exploration and research sector, to really know the petrophysical characteristics of oil and gas strata, it is an indispensable research means.
However, the existing high-temperature and high-pressure test device which can meet the temperature and pressure requirements and can be used for ultrasonic testing can not reach the highest temperature of 160 ℃, in the prior art, a sample is wrapped by a heat shrinkage tube, but the heat shrinkage tube cannot withstand the high temperature of more than 200 ℃, and the ultrasonic probe cannot be ensured to work normally at the temperature of more than 160 ℃.
Disclosure of Invention
Features and advantages of the invention will be set forth in part in the description which follows, or may be obvious from the description, or may be learned by practice of the invention.
In order to overcome the problems of the prior art, the invention provides a device for testing a high-temperature high-pressure rock core, which comprises: a sample bin with a high-temperature and high-pressure chamber, a stress strain gauge positioned in the high-temperature and high-pressure chamber and used for being fixed on a core sample, and pyrophyllite used for wrapping the core sample and the stress strain gauge.
Optionally, the apparatus further comprises a hose connected to the high temperature and high pressure chamber.
Optionally, the two hoses are provided, one end of each hose passes through the pyrophyllite to be contacted with the upper end and the lower end of the core sample.
Optionally, the device further comprises a guided wave rod, one end of the guided wave rod is used for being connected with the ultrasonic probe, and the other end of the guided wave rod penetrates through the pyrophyllite to be in contact with the core sample.
Optionally, the number of the guided wave rods is two, and the guided wave rods are respectively contacted with the upper end and the lower end of the core sample.
Optionally, the stress foil gauge is 2 pieces and is fixed in the middle of the core sample through high-temperature resistant glue.
Optionally, the outer wall of the pyrophyllite is cylindrical.
The invention provides a method for testing a high-temperature high-pressure rock core, which comprises the following steps:
s1, fixing a stress strain gauge on a core sample;
s2, wrapping the core sample fixed with the stress strain gauge by using pyrophyllite and placing the core sample in a high-temperature high-pressure cabin of a sample cabin;
s3, filling fluid into the high-temperature high-pressure cabin and heating;
s4, carrying out ultrasonic collection on the core sample.
Optionally, in the step S2, the pyrophyllite wraps the core sample with the stress foil gauge fixed into a cylinder.
Optionally, the step S3 includes:
filling fluid into the core sample through a hose communicated with the high-temperature high-pressure cabin to load pore pressure.
The invention provides a device and a method for testing a high-temperature high-pressure rock core, which simulate a rock sample experimental cabin under certain temperature and pressure conditions, and realize rock ultrasonic testing and stress strain measurement under the temperature condition of below 350 megapascals and below 350 ℃. The invention meets the oil and gas reservoir environment simulation with the depth of 6000-10000 meters, provides an effective detection method and detection means for deep oil and gas exploration and research, and meets the physical experiment requirements of deep oil and gas reservoir rocks.
Drawings
Fig. 1 is a schematic structural diagram of an apparatus for high-temperature and high-pressure core testing according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the attached drawing figures:
as shown in fig. 1, the present invention provides a device for high temperature and high pressure core test, comprising a sample chamber 7 with a high temperature and high pressure chamber, a stress foil gauge 4 positioned in the high temperature and high pressure chamber and used for being fixed on a core sample, and a pyrophyllite 5 used for wrapping the core sample 6 and the stress foil gauge 4.
In this embodiment, the sample chamber 7 is a hollow cylinder, and two ends of the sample chamber are sealed by plugs, so as to form a high-temperature and high-pressure chamber for accommodating the core sample 6.
Typically, the stress strain gauge is 2 pieces and is fixed on the middle cylindrical surface of the core sample through high-temperature resistant glue. The data line (not shown) of the stress strain gauge is connected with external equipment by passing through the plug at the end of the sample bin after penetrating out of the pyrophyllite 5. In specific implementation, the stress foil gauge 4 can be fixed by high-temperature resistant glue, and the deformation of the core sample 6 can be measured.
The outer wall of the pyrophyllite 5 is cylindrical, that is, the pyrophyllite 5 wraps the core sample with the stress strain gauge fixed into a cylinder. The core sample wrapped by pyrophyllite is placed in a steel high-temperature and high-pressure cabin, and the pyrophyllite 5 can be used for sealing box heat conduction.
The device further comprises a guided wave rod 3, one end of the guided wave rod 3 is used for being connected with the ultrasonic probe, and the other end of the guided wave rod sequentially penetrates through the plug and the pyrophyllite to be contacted with the end face of the core sample. In this embodiment, two waveguide rods 3 respectively pass through plugs and pyrophyllite 5 at two ends of the sample bin to contact with the upper and lower end surfaces of the core sample 6. The ultrasonic probe is used for transmitting and receiving ultrasonic signals, and the guided wave rod is used for transmitting ultrasonic waves.
The device further comprises a hose 1 connected to the high temperature and high pressure chamber. In this embodiment, two hoses 1 are provided, and one ends of the two hoses respectively pass through plugs and pyrophyllite 5 at two ends of the sample bin to contact with the upper and lower ends of the core sample. The hose 1 is used to charge the inside of the sample with liquid (water, brine, oil), loading the pore pressure.
The outside of the sample bin can be heated by an independent external heating device, for example, a resistance wire heating mode is adopted to heat the whole sample bin, so that the low-temperature environment (the highest temperature is 350 ℃) below the highest temperature born by the sample bin is simulated. The specific heating method is not limited in the present invention.
The invention provides a method for testing a high-temperature high-pressure rock core, which comprises the following steps:
s1, fixing a stress strain gauge on a core sample;
in specific implementation, the stress strain gauge can be fixed by adopting high-temperature resistant glue, and the stress strain gauge is used for measuring the deformation of the core sample.
S2, wrapping the core sample fixed with the stress strain gauge by using pyrophyllite and placing the core sample in a high-temperature high-pressure cabin of a sample cabin;
the sample bin can be a hollow cylinder, and two ends of the sample bin are sealed by plugs to form a high-temperature and high-pressure cabin for accommodating the core sample. Pyrophyllite wraps the core sample with the stress strain gauge fixed into a cylinder. The core sample wrapped by pyrophyllite is placed in a steel high-temperature and high-pressure cabin, and the pyrophyllite can be used for heat conduction of the sealing box. And the data line of the stress strain gauge penetrates through the pyrophyllite and then penetrates through the plug positioned at the end part of the sample bin to be connected with external equipment.
S3, filling fluid into the high-temperature high-pressure cabin and heating;
the method specifically comprises the step of filling fluid into a core sample through a hose communicated with the high-temperature high-pressure cabin to load pore pressure. In this embodiment, two hoses are provided, and one end of each hose passes through the plugs and pyrophyllite at two ends of the sample bin to contact with the upper and lower ends of the core sample. The hose is used to fill the inside of the sample with liquid (water, brine, oil), loading the pore pressure. In practice, the loading of the hoop pressure may be further achieved by filling a fluid between the pyrophyllite and the inner wall of the high temperature and high pressure chamber.
The outside of the sample bin can be heated by an independent external heating device, for example, a resistance wire heating mode is adopted to heat the whole sample bin, so that the low-temperature environment (the highest temperature is 350 ℃) below the highest temperature born by the sample bin is simulated. The specific heating method is not limited in the present invention.
S4, carrying out ultrasonic collection on the core sample.
After the temperature and the pressure meet the requirements, carrying out ultrasonic acquisition on the core sample, and recording data; the ultrasonic wave collection is carried out through the guided wave pole, and the one end of guided wave pole is used for linking to each other with ultrasonic probe, and the other end passes end cap, pyrophyllite in proper order and pastes tightly with the terminal surface of rock core sample. In the embodiment, two guided wave rods respectively penetrate through plugs and pyrophyllites at two ends of the sample bin to be contacted with the upper end face and the lower end face of the core sample. The ultrasonic probe is used for transmitting and receiving ultrasonic signals, and the guided wave rod is used for transmitting ultrasonic waves.
The invention can simulate higher underground temperature and pressure environment, and the highest temperature in the high-temperature high-pressure cabin reaches 350-360 ℃ by heating through the external heating device. The highest pressure achieved by filling the fluid into the high-temperature high-pressure cabin can be raised to 300 megapascals, and the ultrasonic and stress strain experiments are carried out under the multiple actions of pore pressure and temperature.
The invention provides a device for high-temperature high-pressure core test, which adopts pyrophyllite to wrap a sample and improves the experimental temperature, thereby ensuring the normal operation of an ultrasonic probe below 350 ℃ and meeting the experimental requirements of simulating the temperature and pressure of 6000-10000 m depth. Namely, the invention can meet the core elastic parameter test of the core at the pressure of 20-300MPa and the temperature of 20-350 ℃.
The foregoing technical solution is only one embodiment of the present invention, and various modifications and variations can be easily made by those skilled in the art based on the application methods and principles disclosed in the present invention, not limited to the methods described in the foregoing specific embodiments of the present invention, so that the foregoing description is only preferred and not in a limiting sense.
Claims (9)
1. A device for high temperature, high pressure core testing, comprising: a sample bin with a high-temperature high-pressure chamber, a stress strain gauge positioned in the high-temperature high-pressure chamber and used for being fixed on a core sample, and pyrophyllite used for wrapping the core sample and the stress strain gauge;
the device further comprises a guided wave rod, one end of the guided wave rod is used for being connected with the ultrasonic probe, and the other end of the guided wave rod penetrates through the pyrophyllite to be in contact with the core sample.
2. The apparatus for high temperature, high pressure core testing as recited in claim 1, further comprising a hose connected to the high temperature, high pressure cartridge.
3. The apparatus for testing a high temperature and high pressure core according to claim 2, wherein the number of the hoses is two, and one end of each hose passes through the pyrophyllite to be contacted with the upper end and the lower end of the core sample.
4. The apparatus for high temperature and high pressure core testing according to claim 1, wherein the number of the wave guide rods is two, and the wave guide rods are respectively contacted with the upper end and the lower end of the core sample.
5. The apparatus for high temperature and high pressure core testing as defined in claim 1, wherein the stress foil gauge is 2 pieces and is fixed in the middle of the core sample by high temperature resistant glue.
6. The apparatus for high temperature, high pressure core testing as recited in claim 1, wherein the outer wall of the pyrophyllite is cylindrical.
7. A method for testing a high temperature high pressure core, comprising:
s1, fixing a stress strain gauge on a core sample;
s2, wrapping the core sample fixed with the stress strain gauge by using pyrophyllite and placing the core sample in a high-temperature high-pressure cabin of a sample cabin;
s3, filling fluid into the high-temperature high-pressure cabin and heating;
s4, carrying out ultrasonic collection on the core sample.
8. The method for testing the high-temperature and high-pressure core according to claim 7, wherein in the step S2, the pyrophyllite wraps the core sample with the stress strain gauge fixed therein into a cylinder.
9. The method for testing the high-temperature and high-pressure core according to claim 7, wherein the step S3 comprises:
filling fluid into the core sample through a hose communicated with the high-temperature high-pressure cabin to load pore pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910966249.0A CN112649305B (en) | 2019-10-12 | 2019-10-12 | Device and method for high-temperature high-pressure core testing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910966249.0A CN112649305B (en) | 2019-10-12 | 2019-10-12 | Device and method for high-temperature high-pressure core testing |
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| CN112649305A CN112649305A (en) | 2021-04-13 |
| CN112649305B true CN112649305B (en) | 2024-04-09 |
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Families Citing this family (1)
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| CN113340993B (en) * | 2021-06-01 | 2023-07-14 | 中国石油大学(北京) | Ultrasonic monitoring device and method for temperature-controllable pressure control of heavy oil saturated rock sample |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710048A (en) * | 2009-10-21 | 2010-05-19 | 中国矿业大学 | Device and method for heating rock specimen under triaxial pressure |
| CN103868801A (en) * | 2014-02-26 | 2014-06-18 | 中国石油天然气股份有限公司 | Rock performance evaluation device |
| CN104101647A (en) * | 2013-04-15 | 2014-10-15 | 中国石油化工股份有限公司 | System and method for testing supersonic-wave speed of rock under simulated reservoir conditions |
| CN106082350A (en) * | 2016-06-24 | 2016-11-09 | 中国科学院地球化学研究所 | A kind of method preparing siderite at high temperature under high pressure |
| CN106198578A (en) * | 2015-05-30 | 2016-12-07 | 中国石油化工股份有限公司 | A kind of rock core fastener for X-ray detection |
| CN107153032A (en) * | 2016-03-02 | 2017-09-12 | 中国石油化工股份有限公司 | The compressive strength of rock test system and method for a kind of controllable temperature |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6971260B2 (en) * | 2004-01-13 | 2005-12-06 | Coretest Systems, Inc. | Overburden rock core sample containment system |
-
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- 2019-10-12 CN CN201910966249.0A patent/CN112649305B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710048A (en) * | 2009-10-21 | 2010-05-19 | 中国矿业大学 | Device and method for heating rock specimen under triaxial pressure |
| CN104101647A (en) * | 2013-04-15 | 2014-10-15 | 中国石油化工股份有限公司 | System and method for testing supersonic-wave speed of rock under simulated reservoir conditions |
| CN103868801A (en) * | 2014-02-26 | 2014-06-18 | 中国石油天然气股份有限公司 | Rock performance evaluation device |
| CN106198578A (en) * | 2015-05-30 | 2016-12-07 | 中国石油化工股份有限公司 | A kind of rock core fastener for X-ray detection |
| CN107153032A (en) * | 2016-03-02 | 2017-09-12 | 中国石油化工股份有限公司 | The compressive strength of rock test system and method for a kind of controllable temperature |
| CN106082350A (en) * | 2016-06-24 | 2016-11-09 | 中国科学院地球化学研究所 | A kind of method preparing siderite at high temperature under high pressure |
Non-Patent Citations (1)
| Title |
|---|
| 张开洪,陈一健,徐海莹.高温高压岩石气体孔隙度自动测试系统.石油仪器.1995,第9卷(第2期),全文. * |
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