CN111766168A - Elastic performance evaluation device for particle profile control agent - Google Patents
Elastic performance evaluation device for particle profile control agent Download PDFInfo
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- CN111766168A CN111766168A CN202010591760.XA CN202010591760A CN111766168A CN 111766168 A CN111766168 A CN 111766168A CN 202010591760 A CN202010591760 A CN 202010591760A CN 111766168 A CN111766168 A CN 111766168A
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- 239000002245 particle Substances 0.000 title claims abstract description 39
- 238000011156 evaluation Methods 0.000 title claims abstract description 5
- 230000000007 visual effect Effects 0.000 claims abstract description 32
- 238000006073 displacement reaction Methods 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims 1
- 238000013508 migration Methods 0.000 abstract description 4
- 230000005012 migration Effects 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 2
- 238000011084 recovery Methods 0.000 description 7
- 238000007906 compression Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- 239000011148 porous material Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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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
- G01N3/40—Investigating hardness or rebound hardness
-
- 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
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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
- G01N3/02—Details
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of oil extraction engineering, belongs to a device for evaluating the elastic property of a particle profile control agent, and solves the defect caused by the fact that the existing equipment only inspects the strength of a through hole in the aspect of evaluating the particle property. The device consists of a visual cylinder (1), a high-precision displacement detection device (2), a piston rod (3), a piston (4), a control valve (5), a four-way valve (6), a data transmission line (7), a data acquisition unit (8) and an isco pump (9). The method has the advantages of improving the defect that the plugging capability of the particle profile control agent is single in parameter through strength evaluation, providing technical support for evaluation of deep migration capability of the particle profile control agent, and the like.
Description
Technical Field
The invention relates to the technical field of oil extraction engineering, and belongs to a device for evaluating the elastic property of a particle profile control agent.
Background
The particles pass through the pore throats during the migration process of the stratum and are broken, deformed and passed in the mode of the pore throats, and the most ideal mode is deformed and passed through the pore throats. The blocking capacity of the particles passing through the deformation is superior to that of a crushing mode, and the particles passing through the pore throat can be transported to the deep part of an oil layer due to the strong elastic capacity of the particles, so that effective blocking is formed, and the purpose of adjusting the section is achieved. The broken particles have strong rigidity and poor elastic capability, subsequent fluid can seep through gaps among the particles, and the reservoir damage is easily caused because the stratum is difficult to restart once being plugged.
Thus, elasticity is an important characterizing quantity in describing a particulate profile control agent. The traditional compressive strength of the via hole only describes the maximum displacement pressure borne by the broken via hole of the particle singly, and the pressure fluctuation of the particle in the measurement process is large, so that the elastic surface of the particle cannot be completely represented.
In order to fully realize the deformation performance of the simulated particle profile control agent in the deep migration of the stratum, the invention provides the device for evaluating the elastic performance of the particle profile control agent, and solves the problem that the traditional method evaluates the particle strength and the elastic parameters by means of the compressive strength of the via hole and the artificial rolling pressure.
Disclosure of Invention
The invention aims to provide a device for evaluating the elastic property of a particle profile control agent, which can accurately measure the compression and recovery displacement by adopting an infrared locator so as to further evaluate the elastic property of particles.
The technical scheme of the invention is as follows: a device for evaluating the elastic performance of a particle profile control agent comprises a visual cylinder, a high-precision displacement detection device, a piston rod, a piston, a control valve, a four-way valve, a data transmission line, data acquisition and an isco pump; the visual cylinder is connected with the piston rod, and the high-precision displacement detection device is fixedly connected with the piston rod; the control valve is connected with the piston rod through a piston and a four-way joint, the control valve is connected with the piston rod on the four-way joint, the control valve is connected with the isco pump through a stainless steel pipeline, and a data transmission line is connected with data acquisition; the isco pump is connected with the data acquisition, and the data transmission line and the data acquisition are connected to the isco pump through a cable.
The high-precision displacement detection device consists of a laser displacement sensor, a visual pressure application model, a horizontal rotating disk and a device framework; wherein the laser displacement sensor is fixed on the horizontal rotating disk; the visual pressure applying model is fixed at the bottom of the device framework; the horizontal rotating disk is connected with the device framework through a nut.
The visual cylinder body is a temperature-resistant and pressure-resistant stainless steel body, scales are engraved on the surface of the visual cylinder body, and the piston at the upper end of the visual cylinder body is hydraulically driven in the injection process of the isco pump, so that the condition that particles are compressed in the cylinder body can be observed.
All pipeline materials and the visual window have acid and alkali corrosion resistance.
Compared with the prior art, the invention has the following beneficial effects:
1) the device can measure the elastic property of the particles, and avoids the problem that the rigidity characteristic of the particles is only investigated by the strength of the conventional via hole, and the deformation and migration capability of the particles in the stratum cannot be represented.
2) The invention utilizes the isco pump to continuously and accurately control the displacement pressure, adopts the infrared positioning instrument to accurately measure the compression distance and the recovery displacement, continuously collects the relationship between the pressure and the displacement of the particles in the compression and recovery processes in real time, and accurately calculates the elastic property of the particles in the compression-rebound processes.
3) The device guides the application and the inspection work of the particle profile control of more than 1000 tons in Daqing oil field, and regulates the use of the particle profile control agent.
Description of the drawings: FIG. 1 is a schematic illustration of an experimental set-up according to the present invention; FIG. 2 is a schematic view of a high precision displacement sensing device; FIG. 3 is a graph of an elastic compression-recovery test of an example of an implementation test.
In the figure: 1-a visual cylinder, 2-a high-precision displacement detection device, 3-a piston rod, 4-a piston, 5-a control valve, 6-a four-way valve, 7-a data transmission line, 8-data acquisition and 9-an isco pump;
2-1 laser displacement sensor, 2-2 visual pressure model, 2-3 horizontal rotating disc and 2-4 device framework.
The specific implementation mode is as follows: the invention is further described with reference to the accompanying drawings in which: a device for evaluating the elastic performance of a particle profile control agent comprises a visual cylinder 1, a high-precision displacement detection device 2, a piston rod 3, a piston 4, a control valve 5, a four-way valve 6, a data transmission line 7, a data acquisition unit 8 and an isco pump 9; wherein the visual cylinder 1 is connected with the piston rod 3, and the high-precision displacement detection device 2 is fixedly connected with the piston rod 3; the control valve 5 is connected with the piston rod 3 through the piston 4 and the four-way valve 6, the control valve 5 and the piston rod 3 are connected on the four-way valve 6, the control valve 5 is connected with the isco pump 9 through a stainless steel pipeline, and the data transmission line 7 is connected with the data acquisition 8; the isco pump 9 is connected with the data acquisition unit 8, and the data transmission line 7 and the data acquisition unit 8 are connected to the isco pump 9 through cables.
The high-precision displacement detection device 2 consists of a laser displacement sensor 2-1, a visual pressure application model 2-2, a horizontal rotating disk 2-3 and a device framework 2-4; wherein the laser displacement sensor 2-1 is fixed on the horizontal rotating disk 2-3; the visual pressure applying model 2-2 is fixed at the bottom of the device framework 2-4; the horizontal rotating disk 2-3 is connected with the device framework 2-4 through a nut.
The visual cylinder body 1 is a temperature-resistant and pressure-resistant stainless steel body, scales are engraved on the surface of the visual cylinder body, and the piston at the upper end of the visual cylinder body is hydraulically driven in the injection process of the isco pump 9, so that the condition that particles are compressed in the cylinder body can be observed.
All the pipeline materials and the visual window have the acid and alkali corrosion resistance.
When the device is used in a laboratory, the device is started at first, 60g of particle samples are transferred into the visual barrel body 1, the device is adjusted, the infrared displacement position determining plate is covered, the liquid discharging port below the visual barrel body 1 can discharge redundant moisture in particles, the laser displacement sensor 2-1 determines the original point at the moment, and the device is startedThe isco pump 9 presses down the cylinder plunger piston through the piston rod 3 at the injection speed of 1ml/min, the control valve 5 is in a closed state, other valves of the four-way valve 6 are opened, the visual pressure model 2-2 applies pressure to particles, when the pressure acquired by the data acquisition 8 reaches 0.03MPa, the high-precision displacement detection device 2 transmits data to the data acquisition 8 through the data transmission line 7, and the laser displacement sensor 2-1 automatically records the initial height H of the sample at the moment0. Secondly, the isco pump 9 continues to press down the cylinder plunger piston through the piston rod 3 at the speed of 1ml/min, the control valve 5 is still in a closed state at the moment, the displacement stop pressure is set to be 5MPa, when the pressure reaches the set pressure, the visual pressure application model 2-2 transmits data to the data acquisition 8 through the data transmission line 7, the data acquisition 8 sends an instruction to control the isco pump 9 to automatically stop liquid discharge, the laser displacement sensor 2-1 transmits the data to the data acquisition 8 to record the height H of the sample at the moment1. Then the control valve 5 is opened, the pressure is unloaded, the piston rod 3 naturally rises, the particles in the visual cylinder 1 rebound to the high degree and do not change, the high-precision displacement detection device 2 transmits data to the data acquisition device 8 through the data transmission line 7, and the data acquisition device 8 records the sample height H at the moment2(ii) a And after the data are stabilized for 5min, closing the experimental device and the data acquisition system, cleaning the experimental instrument, and ending the experiment. Height difference (H) in which the particles are pressed down0- H1) And an initial height H0The ratio of (a) to (b) is the elastic compression of the particles; height difference of recovery (H)2-H1) Height difference from pressing (H)0- H1) The ratio of (A) to (B) is the amount of elastic recovery.
The index requirement is as follows: the elastic compression is more than or equal to 10 percent, and the elastic recovery is more than or equal to 20 percent.
Claims (4)
1. The utility model provides a granule profile control agent elasticity performance evaluation device which characterized in that: the device consists of a visual cylinder (1), a high-precision displacement detection device (2), a piston rod (3), a piston (4), a control valve (5), a four-way valve (6), a data transmission line (7), a data acquisition unit (8) and an isco pump (9); wherein the visual cylinder (1) is connected with the piston rod (3), and the high-precision displacement detection device (2) is fixedly connected with the piston rod (3); the control valve (5) is connected with the piston rod (3) through the piston (4) and the four-way valve (6), the control valve (5) and the piston rod (3) are connected on the four-way valve (6), the control valve (5) is connected with the isco pump (9) through a stainless steel pipeline, and the data transmission line (7) is connected with the data acquisition unit (8); the isco pump (9) is connected with the data acquisition unit (8), and the data transmission line (7) and the data acquisition unit (8) are connected to the isco pump (9) through cables.
2. The apparatus for evaluating the elastic property of a granular profile control agent according to claim 1, wherein: the high-precision displacement detection device (2) consists of a laser displacement sensor (2-1), a visual pressure application model (2-2), a horizontal rotating disk (2-3) and a device framework (2-4); wherein the laser displacement sensor (2-1) is fixed on the horizontal rotating disk (2-3); the visual pressure applying model (2-2) is fixed at the bottom of the device framework (2-4); the horizontal rotating disk (2-3) is connected with the device framework (2-4) through a nut.
3. The apparatus for evaluating the elastic property of a granular profile control agent according to claim 1, wherein: the visual cylinder body (1) is a temperature-resistant and pressure-resistant stainless steel body, scales are engraved on the surface of the visual cylinder body, and the piston at the upper end of the visual cylinder body is hydraulically driven in the injection process of the isco pump (9), so that the condition that particles are compressed in the cylinder body can be observed.
4. The apparatus for evaluating the elastic property of a granular profile control agent according to claim 1, wherein: all pipeline materials and the visual window have acid and alkali corrosion resistance.
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CN202010591760.XA CN111766168A (en) | 2020-06-24 | 2020-06-24 | Elastic performance evaluation device for particle profile control agent |
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CN202010591760.XA CN111766168A (en) | 2020-06-24 | 2020-06-24 | Elastic performance evaluation device for particle profile control agent |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114964670A (en) * | 2022-08-01 | 2022-08-30 | 宇一精工科技(南通)有限公司 | Method for detecting defects of sealing rubber ring |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114964670A (en) * | 2022-08-01 | 2022-08-30 | 宇一精工科技(南通)有限公司 | Method for detecting defects of sealing rubber ring |
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