CN108507893A - Erosion device and sample erosive wear speed measurement equipment - Google Patents
Erosion device and sample erosive wear speed measurement equipment Download PDFInfo
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- CN108507893A CN108507893A CN201810261430.7A CN201810261430A CN108507893A CN 108507893 A CN108507893 A CN 108507893A CN 201810261430 A CN201810261430 A CN 201810261430A CN 108507893 A CN108507893 A CN 108507893A
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- erosion
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- shell
- rack
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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
- G01N3/56—Investigating resistance to wear or abrasion
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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
- 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
- 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
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
-
- 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
- G01N3/56—Investigating resistance to wear or abrasion
- G01N3/567—Investigating resistance to wear or abrasion by submitting the specimen to the action of a fluid or of a fluidised material, e.g. cavitation, jet abrasion
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- 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
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
-
- 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
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
Abstract
The embodiment of the invention discloses a kind of erosion devices, including：Shell, rack and nozzle, there are one erosion chambers for enclosure formation, rack is set in shell, it is telescopically connected with shell, erosion chamber is divided into the first erosion chamber and the second erosion chamber, the holding tank of connection the first erosion chamber and the second erosion chamber is provided on rack, sample is set in holding tank, it is provided with the first leakage fluid dram of the first erosion chamber of connection on shell and is connected to the second leakage fluid dram of the second erosion chamber, nozzle passes through shell one end, and it is interior and towards rack that water outlet is located at shell.The sample erosive wear speed measurement equipment of the present invention can not only simulate jet impulse and two kinds of erosion situations of slit erosion, and it can be on this set of equipment, test the relationship between the variables such as erosion rate and gravel speed, fluid properties, gravel size, grit content, impact angle, different working conditions is simulated, there is more extensive and comprehensive application performance.
Description
Technical field
The present invention relates to the experimental provision field of oil well completion valuator device more particularly to erosion device and sample erosions
Rate of depreciation measuring apparatus.
Background technology
Erosive wear refer to material by loose particle impacting when, there is a kind of wear phenomenon destroyed in surface.Screen casing
It is an important underground component in sand control completion, in the long-term use, due to being acted on by body containing sand flow, screen casing office
Portion, which will appear erosion attack, leads to screen sand control disabler.Actual production shows that erosive wear is that screen sand control is caused to fail
Major reason.Therefore sand control screen erosive wear is studied, by measuring screen casing rate of depreciation to estimate the use of screen casing
Service life, can prevent or reduce in actual production due to screen failure shakes out and caused by lose, be of great significance.
In perforation completion operation, erosion can be carried out to screen casing when fluid sand-carrying passes through borehole.The erosion attack master of screen casing
There are two kinds of forms：First, when not forming layer of sand outside screen casing, high-velocity fluid carries sand grains and is directly injected to screen casing from borehole
Screen casing is broken through on surface, referred to as jet impulse；Second is that after forming sand bridge layer of sand outside screen casing, Partial filtration unit blocks,
Fluid carries fine sand high speed by the slit of unplugged filter element, and erosive wear is carried out to slit inner wall, causes between slit
Gap becomes larger, referred to as slit erosion.In practical work process, above two erosion mode exists simultaneously, therefore needs to design erosion
Device measures the erosion property of sample.And it is required that different erosion conditions can be changed.The erosion speed of sample in actual production
The factors such as rate and gravel speed, fluid properties, gravel size, grit content, impact angle are related.At present to screen cutting device
Design studies are still deficiency, and most of existing erosion device is to be tested for the erosion under the conditions of certain certain materials；And
Jet impulse and slit erosion cannot be simulated simultaneously.
Invention content
It is an object of the invention to overcome above-mentioned technical deficiency, a kind of erosion device and sample erosive wear rate are proposed
Measuring apparatus, the technical issues of jet impulse is with slit erosion cannot be simulated simultaneously by solving experimental facilities in the prior art.
In order to reach above-mentioned technical purpose, an embodiment of the present invention provides a kind of erosion device and sample erosive wear speed
Rate measuring apparatus, a kind of erosion device include：Shell, rack and nozzle, rack are built in shell and by the erosions in shell
Chamber is separated to form the first erosion chamber and the second erosion chamber, and the holding tank for installing sample is provided on rack, on shell
It offers the first leakage fluid dram being connected to respectively with the first erosion chamber and the second erosion chamber and the second leakage fluid dram, nozzle is connected to shell
Inlet and its outlet end face holding tank；Wherein, rack is movably connected on shell and can adjust the spacing of itself and nozzle.
The sample erosive wear speed measurement equipment includes：
Oil storage tank；
The erosion device of any one of claim 1-4；
Pump, inlet communication oil storage tank, the water inlet of outlet nozzle；
Resevoir sand tank, the pipeline between connection pump and nozzle；
Collection device comprising the first collection device and the second collection device, the first collection device are connected to the first leakage fluid dram,
Second collection device is connected to the second leakage fluid dram, the top at least partly structured transparent of the first collection device and the second collection device.
Compared with prior art, the present invention has the advantages that：The sample erosive wear speed measurement of the present invention is set
It is standby to simulate jet impulse and two kinds of erosion situations of slit erosion, and erosion rate can be tested on this set of equipment
With the relationship between the variables such as gravel speed, fluid properties, gravel size, grit content, impact angle, different production is simulated
Condition has more extensive and comprehensive application performance.
Description of the drawings
Fig. 1 is the structural schematic diagram of sample erosive wear speed measurement equipment provided by the invention；
Fig. 2 is the drawing in side sectional elevation of erosion device in Fig. 1；
Fig. 3 is the partial enlarged view of rack in Fig. 2；
Fig. 4 is that the computing module of sample erosive wear speed measurement equipment provided by the invention connect frame with detection module
Figure.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes.
Fig. 1 is referred to, Fig. 1 is the structural schematic diagram of sample erosive wear speed measurement equipment provided by the invention.
Sample erosive wear speed measurement equipment includes：Oil storage tank 1, pump 2, erosion device 3, resevoir sand tank 4, collection device 5,
Oil/sand separator 6, detection module (not indicating) and computing module 9.
Experimental different needs, are perfused different types of fluid in oil storage tank 1.
The inlet communication oil storage tank 1 of pump 2, outlet erosion device 3.
Fig. 2, Fig. 3 are referred to, Fig. 2 is the drawing in side sectional elevation of erosion device in Fig. 1；Fig. 3 is the partial enlargement of rack in Fig. 2
Figure.
Erosion device 3 includes outer cover body 31, nozzle 32, pedestal 33, ring flange 34, rack 35, sealing ring 36, observation window
37 and annular spotlight 38.
Outer cover body 31 is tubular structure, and one end offers inlet, another end opening, and open end is fixed with ring flange 34
Connection forms installing port, and 33 part of pedestal is intercalated in outer cover body 31, and is detachably connected with ring flange 34, forms one
Erosion chamber, erosion intracavitary diameter uniformly increase towards the direction of pedestal 33.Nozzle 32 passes through inlet and its outlet end face rack 35
On holding tank, liquid feeding end is located at outside erosion chamber, and with the outlet of pump 2, pass through sealing between nozzle 32 and inlet
Circle 36 is tightly connected.Nozzle 32 is one hole nozzle, and the erosion nozzle of replaceable difference size or opening shape covers to simulate underground
The borehole that borehole and casing on pipe deform under by unevenly stress.Pedestal 33 include base body 331, interconnecting piece 332 with
And plate 333 thoroughly.Base body 331 is cyclic structure, and surrounding is detachably connected with ring flange 34.Interconnecting piece 332 is tubular structure,
One end is connect with 331 coaxial vertical of base body, is intercalated in erosion intracavitary.Saturating plate 333 and the inner ring of base body 331 are detachable
It being tightly connected, sample 100 is replaced when for testing.Rack 35 includes retracting cylinder 351, ring body 352, cramping body 353 and folder
Piece 354, wherein retracting cylinder 351, ring body 352 and cramping body 353 are an integral molding structure.Retracting cylinder 351 is tubular, one end
It is flexibly connected with interconnecting piece 352, connection type includes but not limited to screw thread engagement connection, and sliding slot is connected, as long as realizing
Retracting cylinder 351 can be axially movable.Ring body 352 is annular, and internal diameter is less than retracting cylinder 351, coaxially connected retracting cylinder
351 other ends.Cramping body 353 is also annular, and internal diameter is less than ring body 352,352 one end of coaxially connected ring body.Intermediate plate 354
One end connects 353 other end of ring body, and ring body 352, cramping body 353 and intermediate plate 354 cooperatively form holding tank, sample 100
It is positioned in holding tank, 354 other end of intermediate plate is matched for clamping tightly sample 100 with cramping body 353.Erosion chamber is divided by rack 35
One erosion chamber and the second erosion chamber, the first erosion chamber and the second erosion chamber are connected to by holding tank.It is provided on outer cover body 31
It is connected to the first leakage fluid dram 311 of the first erosion chamber, single-way switch 312 is provided on the first leakage fluid dram 311.It is set on interconnecting piece 332
It is equipped with the second leakage fluid dram 331 of the second erosion chamber of connection.Observation window 37 is set to the middle part of outer cover body 31, is carried out in experiment
When, laboratory technician can observe 100 washed out situation of sample by observation window 37.Annular spotlight 38 is built in erosion intracavitary,
It is irradiated towards rack 35 so that observer observes clearer.
Pipeline between the connection of resevoir sand tank 4 pump 2 and nozzle 32, it is internal to be needed to place unlike material, different rulers according to experiment
Very little gravel.
Collection device 5 includes the first collection device 51 and the second collection device 52.First collection device 51 is connected to first row
Liquid mouth 311, the second collection device 52 are connected to the second leakage fluid dram 331.The top of first collection device 51 and the second collection device 52
At least partly structured transparent preferably uses all-transparent material such as organic glass in the present embodiment, makes collection device 5,
The gravel situation in the first collection device 51 and the second collection device 52 is observed convenient for experimenter, also allows for laboratory apparatus acquisition
Image in first collection device 51 and the second collection device 52.
6 input end of oil/sand separator is respectively communicated with the first collection device 51 and the second collection device 52, oil circuit outlet
It is connected to oil storage tank 1, sand road outlet resevoir sand tank 4 forms a closed circuit so that fluid and gravel can be set in experiment
Standby interior reuse.
Fig. 4 is referred to, Fig. 4 is the computing module and detection mould of sample erosive wear speed measurement equipment provided by the invention
Block connects block diagram.
Detection module includes first flowmeter 81, second flowmeter 82, and pressure monitoring device 83, swashs at mass sensor 84
Flash ranging particle size analyzer 85, imaging sensor 86, rangefinder 87 and range sensor 88.
First flowmeter 81 be set to pump 2 and nozzle 32 between pipeline on, and positioned at connection resevoir sand tank 4 branch it
Before, the flow velocitys for pumping out fluid for acquiring pump 2, when flow velocity reaches requirement of experiment value and then opens the valve on resevoir sand tank 4,
The negative pressure given birth to using fluid stream movable property, the gravel in resevoir sand tank 4 is drawn into fluid.Second flowmeter 82 is set to second
On pipeline between collection device 52 and the second leakage fluid dram 331, it is used to acquire the body containing sand flow for flowing into the second collection device 52
Flow velocity.Pressure monitoring device 83 is the combination of pressure gauge, pressure-control valve or pressure gauge and pressure-control valve, is set to first
On pipeline between flowmeter 81 and nozzle 32, and after the branch of connection resevoir sand tank 4, the pressure for acquiring the body containing sand flow
Power numerical value.
Mass sensor 84 is set to the bottom of the second collection device 52, the reality for measuring 52 mass of the second collection device
Shi Bianhua.Laser Measuring particle size analyzer 85 and imaging sensor there are one being respectively provided with outside first collection device 51 and the second collection device 52
86, and towards the transparent part of the first collection device 51 and the second collection device 52, internal gravel is acquired through transparent part
Image.Laser Measuring particle size analyzer 85 can calculate that the granularity of gravel particles, imaging sensor 86 can observe sand according to the distribution of scattering light
Gravel disperses situation, the substantially particle size range of sample and bulky grain or little particle with the presence or absence of low content.Rangefinder 87 is arranged
In being respectively arranged on nozzle 32 and rack 35 close to one end of nozzle 32, range sensor 88 in outer cover body 31, for more
Add the relative position for accurately adjusting nozzle 32 and rack 35.
Computing module 9 collects collected data in detection module, and is calculated by following method：
Evaluation method one is averaged silt concertation η as 100 grades of grittiness energy of screen casing sample using the fluid across sample 100
Evaluation parameter, for characterizing the erosive wear situation of sample：Wherein, V=Qi+1-Qi；M=MAlways-ρLiquidV, i.e.,：η=
[MAlways/(Qi+1-Qi)]-ρLiquid.Wherein, m is to pass through the total sand production rate of sample 100, MAlwaysFor the body containing sand flow in the second collection device 52
Gross mass is directly measured by mass sensor 84 and is obtained, ρLiquidIt is the density of fluid, is known quantity, V is to pass through screen casing sample
100 total fluid volumes, Qi+1It is the i+1 moment by the flow of screen casing sample 100, is directly measured by second flowmeter 82
It obtains, QiTest period for the i-th moment measures flow.
Evaluation method two, Laser Measuring particle size analyzer 85 and imaging sensor 86 measure shaking out for the first collection device 51 respectively
Granularity α1Go out fineness of sand α with second collection device 522, the α of different moments is recorded after gathered data1With α2Ratio, pass through meter
Calculate the opposite variation of the two, i.e. λ=α1/α2As sample erosive wear index；
After the completion of experiment, sample wash is dried for evaluation method three, records and compare the matter of erosion ethmoid canal,anterior sample 100
Measure m1With the quality m of erosion ethmoid canal,posterior coupons 1002, calculate mass percent reduction θ=1-m of screen casing coupons 1002/
m1, the index as evaluation 100 erosive wear of sample.
In practical operation, the current conditions first simulated as needed choose corresponding suitable fluid and gravel, and will stream
Body is poured into oil storage tank 1, and gravel is positioned in resevoir sand tank 4.Then the nozzle mouth-shaped and pitch angle simulated as needed
Degree selects suitable nozzle 32.Plate 333 is opened, passes through through-hole that sample 100 is installed, and sample 100 is clamped using intermediate plate 36.It adjusts
Section rack 35 is so that the distance between sample 100 and nozzle 32 reach requirement of experiment.Finally by all parts according to above-mentioned connection
Relationship connects.
During the experiment, the rate for adjusting the power change fluid of pump 2 reaches requirement of experiment, when first flowmeter 81 is supervised
After velocity measurement meets the requirements, the valve of resevoir sand tank 4 is opened, by valve opening and closing size, the silt content for controlling fluid meets experiment
It is required that.Then pass through the erosion situation of above-mentioned three kinds of evaluation method comprehensive descisions sample 100.
When simulating jet impulse, single-way switch 312 is opened, is directly adjusted to pump 2 to test required power, sand flow will be contained
Body is directly injected on sample 100, the erosion situation of test sample.
When simulating slit erosion, single-way switch 312 is closed, pump 2 is now adjusted to a firm power, it will not with one
The safe rate of Wear specimens 100 will contain sand flow body and be ejected on sample 100, after forming sand bridge layer of sand on sample 100, then beat
Opening one-way switch 312 is adjusted to pump 2 to test required power, body containing sand flow is ejected into testing required higher rate
On sample 100, the erosion situation of test sample.
Implement the embodiment of the present invention, has the advantages that：The sample erosive wear speed measurement equipment of the present invention is not
Simulation jet impulse and two kinds of erosion situations of slit erosion are only capable of, and erosion rate and sand can be tested on this set of equipment
Relationship between the variables such as gravel speed, fluid properties, gravel size, grit content, impact angle simulates different production items
Part has more extensive and comprehensive application performance.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (9)
1. a kind of erosion device, which is characterized in that including shell, rack and nozzle, the rack is built in the shell and will
Erosion chamber in shell is separated to form the first erosion chamber and the second erosion chamber, and is provided on the rack for installing sample
Holding tank, offer the first leakage fluid dram and second row being connected to respectively with the first erosion chamber and the second erosion chamber on the shell
Liquid mouth, the nozzle are connected to holding tank described in the inlet of the shell and its outlet end face；Wherein, the rack activity
It is connected to the shell and the spacing of itself and nozzle can be adjusted.
2. erosion device according to claim 1, which is characterized in that the shell includes outer cover body and pedestal, described
Outer cover body one end offers inlet, the other end is formed with an installing port, and the pedestal is removably connected to outer cover body phase
To installing port one end, the rack is connect with the pedestal；Wherein, the cross-sectional area of the outer cover body is by the inlet end
Gradually increase to the installing port end, and is embedded at a transparent observation window on its side wall.
3. erosion device according to claim 2, which is characterized in that the pedestal includes in a ring and part is inserted in institute
State the interconnecting piece in installing port, the base body extended outward to form far from inlet one end outer rim by base body and with it is described
Interconnecting piece is detachably connected far from the saturating plate that edge is tightly connected in inlet one end, the interconnecting piece with the outer cover body.
4. erosion device according to claim 3, which is characterized in that the rack include be cylindrical in shape and with the pedestal sheet
The retracting cylinder of internal wall flexible connection and the holding ring being connect far from described interconnecting piece one end with retracting cylinder, the holding ring inner wall
It is formed with a holding tank in a ring, the holding ring includes ring body, the folder that is extended inwardly to form by ring body one end inner wall
Body and at least two intermediate plates are held, the intermediate plate is arranged about the holding ring axisymmetrical, and one end connects with the ring body
It connects, the other end protrudes from the ring body inner wall and surrounds to form the holding tank with the cramping body, the ring body.
5. a kind of sample erosive wear speed measurement equipment, which is characterized in that the sample erosive wear speed measurement equipment packet
It includes：
Oil storage tank；
Erosion device described in any one of claim 1-4；
It pumps, oil storage tank described in inlet communication, the water inlet of nozzle described in outlet；
Resevoir sand tank, the pipeline being connected between the pump and the nozzle；
Collection device comprising the first collection device and the second collection device, first collection device are connected to the first row
Liquid mouth, second collection device are connected to second leakage fluid dram.
6. sample erosive wear speed measurement equipment according to claim 5, which is characterized in that the sample erosive wear
Speed measurement equipment further includes an oil/sand separator, and input end is respectively communicated with first collection device and described second
Collection device, oil storage tank described in oil circuit outlet, resevoir sand tank described in sand road outlet.
7. sample erosive wear speed measurement equipment according to claim 6, which is characterized in that the sample erosive wear
Speed measurement equipment further includes detection module and computing module, and the detection module includes described pumping out fluid for acquiring
The first flowmeter of flow velocity, the second flowmeter for acquiring the second leakage fluid dram inner fluid speed enter the spray for acquiring
The pressure monitoring device of the Fluid pressure containing sand of mouth, the mass sensor for measuring the second collection device quality, for acquiring
The Laser Measuring particle size analyzer and imaging sensor of gravel granularity in the collection device, for measure the rack and the nozzle it
Between distance laser range finder and range sensor, computing module is for collecting in the detection module collected data simultaneously
What the fluid being calculated in second collection device was averaged sand content η and the first collection device goes out fineness of sand α1With second
Collection device goes out fineness of sand α2Ratio λ.
8. sample erosive wear speed measurement equipment according to claim 7, which is characterized in that the calculation formula of the η
For：η=[MAlways/(Qi+1-Qi)]-ρLiquid.Wherein, MAlwaysFor the gross mass of the body containing sand flow in second collection device, pass through the matter
Quantity sensor is directly measured and is obtained, ρLiquidIt is the density of fluid, is known quantity, Qi+1Pass through the stream of screen casing sample for the i+1 moment
Amount, QiTest period for the i-th moment measures flow, is directly measured and is obtained by the second flowmeter.
9. sample erosive wear speed measurement equipment according to claim 7, which is characterized in that the calculation formula of the λ
For：λ=α1/α2Wherein α1And α2The granularity of gravel, passes through in respectively described first collection device and second collection device
The Laser Measuring particle size analyzer and described image sensor, which directly measure, to be obtained.
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| CN201810261430.7A CN108507893B (en) | 2018-03-28 | 2018-03-28 | Erosion device and sample erosion wear rate measuring apparatus |
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| CN201810261430.7A CN108507893B (en) | 2018-03-28 | 2018-03-28 | Erosion device and sample erosion wear rate measuring apparatus |
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| CN109682707A (en) * | 2019-01-30 | 2019-04-26 | 中国海洋石油集团有限公司 | Sand control screen Anti-erosion experimental provision |
| CN112945703A (en) * | 2021-02-04 | 2021-06-11 | 西南石油大学 | Liquid-solid two-phase flow visual erosion simulation device |
| CN113252521A (en) * | 2021-05-08 | 2021-08-13 | 浙江理工大学 | Gas-solid two-phase flow deposition characteristic experimental device with automatic particle size screening function |
| CN113260461A (en) * | 2018-12-31 | 2021-08-13 | 瑞士金马有限公司 | Dilute phase powder pump |
| CN114112760A (en) * | 2020-09-01 | 2022-03-01 | 中国石油化工股份有限公司 | Erosion wear test method |
| CN115370329A (en) * | 2021-05-18 | 2022-11-22 | 中国石油天然气股份有限公司 | Gas well sand prevention evaluation experimental device and sand production prediction method |
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