CN207923594U - 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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- CN207923594U CN207923594U CN201820426226.1U CN201820426226U CN207923594U CN 207923594 U CN207923594 U CN 207923594U CN 201820426226 U CN201820426226 U CN 201820426226U CN 207923594 U CN207923594 U CN 207923594U
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- erosion
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- shell
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- collection device
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Abstract
The utility model embodiment discloses a kind of erosion device, including：Shell, rack and nozzle, rack is built in shell and the erosion chamber in shell is separated to form the first erosion chamber and the second erosion chamber, and the holding tank for installing sample is provided on rack, the first leakage fluid dram and the second leakage fluid dram being connected to respectively with the first erosion chamber and the second erosion chamber are offered on shell, nozzle include jet pipe and with the closed nozzle being connected in jet pipe one end, the direction first increases and then decreases that the internal diameter of nozzle is flowed along fluid, jet pipe is connected to the inlet of shell, the outlet end face holding tank of nozzle.The sample erosive wear speed measurement equipment of the utility model 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 utility model is related to the experimental provision field of oil well completion valuator device more particularly to erosion devices and sample
Erosive wear speed measurement equipment.
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.
Utility model content
The purpose of the utility model is to overcome above-mentioned technical deficiency, a kind of erosion device and sample erosive wear are proposed
Speed measurement equipment, 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, the utility model embodiment provides a kind of erosion device and sample erosion mill
Speed measurement equipment is damaged, which includes：Shell, rack and nozzle, rack are built in shell and will be in shells
Erosion chamber is separated to form the first erosion chamber and the second erosion chamber, and the holding tank for installing sample, shell are provided on rack
On offer the first leakage fluid dram and the second leakage fluid dram being connected to respectively with the first erosion chamber and the second erosion chamber, nozzle includes jet pipe
With the direction first increases and then decreases flowed along fluid with the internal diameter of the closed nozzle being connected in jet pipe one end, nozzle, jet pipe is connected to
The inlet of shell, the outlet end face holding tank of nozzle；Wherein, rack is movably connected on shell and can adjust itself and nozzle
Spacing.
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；
Oil tank is cleaned, the pipeline being connected between oil storage tank and pump.
Compared with prior art, the utility model has the advantages that：The sample erosive wear speed of the utility model
Rate measuring apparatus can not only simulate jet impulse and two kinds of erosion situations of slit erosion, and can be tested on this set of equipment
Relationship between the variables such as erosion rate and gravel speed, fluid properties, gravel size, grit content, impact angle, simulation is not
Same working condition has more extensive and comprehensive application performance, complete equipment can be easily rinsed after the completion of experiment,
Reduce maintenance difficulties.
Description of the drawings
Fig. 1 is the structural schematic diagram of sample erosive wear speed measurement equipment provided by the utility model；
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 utility model is connect with detection module
Block diagram.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.
Fig. 1 is referred to, Fig. 1 is the structural schematic diagram of sample erosive wear speed measurement equipment provided by the utility model.
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, cleaning oil tank 7, 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 includes jet pipe 321 and is connected with jet pipe outlet end
Nozzle 322, jet pipe 321 passes through the holding tank on inlet and the outlet end face rack 35 of nozzle 322, jet pipe 321 into
Liquid end is located at outside erosion chamber, and with pump 2 outlet, be tightly connected by sealing ring 36 between jet pipe 321 and inlet.Spray
First 322 be single port nozzle, and internal diameter, along fluid flow direction first increases and then decreases, nozzle 322 has different models, replaceable
The nozzle 322 of different sizes or opening shape simulates borehole on down-hole casing and casing deforms under by unevenly stress
Borehole.Pedestal 33 includes base body 331, interconnecting piece 332 and saturating plate 333.Base body 331 be cyclic structure, surrounding with
Ring flange 34 is detachably connected.Interconnecting piece 332 is tubular structure, and one end is connect with 331 coaxial vertical of base body, is intercalated in punching
Lose intracavitary.Saturating plate 333 is connect with the inner ring removable seal of base body 331, and sample 100 is replaced when for testing.Rack 35
Including retracting cylinder 351, ring body 352, cramping body 353 and intermediate plate 354, wherein retracting cylinder 351, ring body 352 and clamping
Body 353 is an integral molding structure.Retracting cylinder 351 is tubular, and one end is flexibly connected with interconnecting piece 352, connection type include but
It is not limited to screw thread engagement connection, sliding slot is connected, as long as realizing that retracting cylinder 351 can be axially movable.Ring body 352
For annular, internal diameter is less than retracting cylinder 351,351 other end of coaxially connected retracting cylinder.Cramping body 353 is also annular, and internal diameter is small
In ring body 352,352 one end of coaxially connected ring body.354 one end of intermediate plate connection, 353 other end of ring body, ring body 352,
Cramping body 353 and intermediate plate 354 cooperatively form holding tank, and sample 100 is positioned in holding tank, 354 other end of intermediate plate and clamping
Body 353 is matched for clamping tightly sample 100.Erosion chamber is divided into the first erosion chamber and the second erosion chamber by rack 35, the first erosion chamber and
Second erosion chamber is connected to by holding tank.Be provided on outer cover body 31 connection the first erosion chamber the first leakage fluid dram 311, first
Single-way switch 312 is provided on leakage fluid dram 311.The second leakage fluid dram 331 of the second erosion chamber of connection is provided on interconnecting piece 332.
Observation window 37 is set to the middle part of outer cover body 31, and when testing progress, laboratory technician can pass through observation window 37 and observe sample 100
Washed out situation.Annular spotlight 38 is built in erosion intracavitary, is irradiated towards rack 35 so that observer observes more
It is clear.
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.
Clean oil tank 7 be connected to oil storage tank 1 and pump 2 between pipeline, cleaning 7 memory of oil tank be placed with it is same in oil storage tank 1
Kind fluid.After experiment, oil storage tank 1 is closed, opens cleaning oil tank 7, pump 2 pumps out the fluid cleaned in oil tank 7, rinses
Remaining gravel on equipment inner wall.
Fig. 4 is referred to, Fig. 4 is computing module and the inspection of sample erosive wear speed measurement equipment provided by the utility model
It surveys module and 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 the
On pipeline between flow meters 81 and nozzle 32, and after the branch of connection resevoir sand tank 4, for acquiring body containing sand flow
Pressure value.
Mass sensor 84 is set to the bottom of the second collection device 52, for measuring 52 mass of the second collection device
Real-time change.Laser Measuring particle size analyzer 85 and image sensing there are one being respectively provided with outside first collection device 51 and the second collection device 52
Device 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 be observed 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 set
It is placed in outer cover body 31 and is respectively arranged on nozzle 32 and rack 35, is used for close to one end of nozzle 32, range sensor 88
More accurately adjust the relative position of 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 going out for the first collection device 51 respectively
Fineness of sand α1Go out fineness of sand α with second collection device 522, the α of different moments is recorded after gathered data1With α2Ratio, pass through
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 cleaning oil tank 7, and gravel is positioned in resevoir sand tank 4.Then the nozzle mouth-shaped simulated as needed
And pitch angle selects suitable nozzle 32.Plate 333 is opened, passes through through-hole that sample 100 is installed, and clamped using intermediate plate 36
Sample 100.Rack 35 is adjusted so that the distance between sample 100 and nozzle 32 reach requirement of experiment.Finally all parts are pressed
It is connected according to above-mentioned connection relation.
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.Oil storage tank 1 is closed after the completion of experiment,
Cleaning oil tank 7 is opened, pump 2 pumps out the fluid cleaned in oil tank 7, rinses remaining gravel on cleaning equipment inner wall.
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
Single-way switch 312 is opened, is adjusted to pump 2 to test required power, body containing sand flow is sprayed with testing required higher rate
Onto sample 100, the erosion situation of test sample.
Implement the utility model embodiment, has the advantages that：The sample erosive wear rate of the utility model is surveyed
Amount equipment can not only simulate jet impulse and two kinds of erosion situations of slit erosion, and can test erosion on this set of equipment
Relationship between the variables such as rate and gravel speed, fluid properties, gravel size, grit content, impact angle, is simulated different
Working condition has more extensive and comprehensive application performance, complete equipment can be easily rinsed after the completion of experiment, reduces
Maintenance difficulties.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (7)
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 offers the first leakage fluid dram being connected to respectively with the first erosion chamber and the second erosion chamber and the second drain on the shell
Mouthful, the nozzle include jet pipe and with the closed nozzle being connected in described jet pipe one end, what the internal diameter of the nozzle was flowed along fluid
Direction first increases and then decreases, the jet pipe are connected to the inlet of the shell, are clamped described in the outlet end face of the nozzle
Slot；Wherein, the rack is movably connected on the shell and can adjust the spacing of itself and nozzle.
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；
Clean oil tank, the pipeline being connected between the oil storage tank and the pump.
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
It calculates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820426226.1U CN207923594U (en) | 2018-03-28 | 2018-03-28 | Erosion device and sample erosive wear speed measurement equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820426226.1U CN207923594U (en) | 2018-03-28 | 2018-03-28 | Erosion device and sample erosive wear speed measurement equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207923594U true CN207923594U (en) | 2018-09-28 |
Family
ID=63596718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820426226.1U Expired - Fee Related CN207923594U (en) | 2018-03-28 | 2018-03-28 | Erosion device and sample erosive wear speed measurement equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207923594U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112782016A (en) * | 2019-11-11 | 2021-05-11 | 中国石油天然气股份有限公司 | Device and method for evaluating erosion degree of casing hole |
| CN115355112A (en) * | 2022-10-20 | 2022-11-18 | 北京星河动力装备科技有限公司 | Nozzle supersonic velocity zone thermal ablation degree test device and thermal ablation evaluation method |
-
2018
- 2018-03-28 CN CN201820426226.1U patent/CN207923594U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112782016A (en) * | 2019-11-11 | 2021-05-11 | 中国石油天然气股份有限公司 | Device and method for evaluating erosion degree of casing hole |
| CN112782016B (en) * | 2019-11-11 | 2022-12-02 | 中国石油天然气股份有限公司 | Device and method for evaluating erosion degree of sleeve hole |
| CN115355112A (en) * | 2022-10-20 | 2022-11-18 | 北京星河动力装备科技有限公司 | Nozzle supersonic velocity zone thermal ablation degree test device and thermal ablation evaluation method |
| CN115355112B (en) * | 2022-10-20 | 2023-03-03 | 北京星河动力装备科技有限公司 | Test device for thermal ablation degree of supersonic velocity zone of spray pipe and thermal ablation evaluation method |
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Granted publication date: 20180928 Termination date: 20210328 |