CN205990899U - Diverting agent turns to and proppant sedimentation simulation visual experimental apparatus - Google Patents
Diverting agent turns to and proppant sedimentation simulation visual experimental apparatus Download PDFInfo
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- CN205990899U CN205990899U CN201621005038.9U CN201621005038U CN205990899U CN 205990899 U CN205990899 U CN 205990899U CN 201621005038 U CN201621005038 U CN 201621005038U CN 205990899 U CN205990899 U CN 205990899U
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Abstract
The utility model discloses a kind of diverting agent turns to and proppant sedimentation simulation visual experimental apparatus, including agitator tank group, visual man-made fracture, filtering tank, control system, acquisition system, camera system, wherein, described agitator tank group connects visual man-made fracture, visual man-made fracture connects filtering tank, load fluid controls the visual man-made fracture of injection through control system, acquisition system mixes tank group with being arranged on, detecting element in visual man-made fracture and filtering tank connects, camera system is installed on visual man-made fracture side, load fluid enters filtering tank after visual man-made fracture, clear water after filtration is recycled in agitator tank group.This utility model enables Dynamic injection and the closure of diverting agent, true simulated field practical situation, and accurately metering diverting agent closure pressure, obtains and temporarily block up indexes of capability evaluation, improves accurate testing degree, streamline operation.
Description
Technical field
This utility model is related to oil-gas field development technical field, specifically relates to diverting agent and turns to and proppant sedimentation mould
Intend visual experimental apparatus.
Background technology
With a large amount of exploitations of domestic and international oil gas field, more and more hypotonic, fine and close oil-gas reservoir is difficult to be opened with usual manner
Adopt.Unconventional petroleum resources including shale gas generally requires to carry out stimulation work using fracturing.Fracturing
In order to obtain high yield, one way in which is to make shale form seam web frame to technology, but the stress due to stratum,
The stratum having pressed is filled with without proppant fracture, and after fracturing fluid recovery (backflow), crack can close again；With
When proppant be to there is certain particle size and natural sand that level is joined or artificial high-strength ceramic granule, effective proppant is laid not only
Crack can be supported prevents formation closure, and will form higher flow conductivity, allows the petroleum resources in stratum can be preferably
Through crack arrival ground, so that oil gas field obtains higher yield.Meanwhile, in fracturing work, affected by factors,
The first fracturing of part producing well is poorly efficient or loses efficacy, and has had a strong impact on the normal exploitation of oil gas field, to this kind of well, in order to obtain
High yield and economic exploitation benefit are it is necessary to carry out refracturing.The oil gas that Low Permeability Oil/gas ensconce first Crack Control is basic
It is plucked out of, pressure break needs to extrude new crack again, will be more meaningful with the petroleum resources employed beyond old Crack Control area.Engineering
Generally old crack is temporarily blocked using temporarily blocking up diversion agent in practice, to realize stress interference and reach allowing crack turn to mesh
, ensure refracturing effect, wherein, the intensity of temporarily blocking up of old crack diversion agent is to ensure the key that crack turns to.
For these reasons, diverting agent turns to and the effectively laid research of proppant is also just particularly important.Diverting agent turns to
Adopting single tube or parallel two-tube rock core or the closure of sandpack column flowing simulated experiment device qualitative evaluation diversion agent experimental provision more
Ability, but exist cannot simulation fracture condition, and because injection problem can not simulate granular pattern, fibrous type diversion agent closure etc. ask
Topic.And multi-angle seam net proppant visualization device at home and abroad study less, substantially depend on software simulation proppant seam
Laid in net, lack enough experiment auxiliary.Even if there being a small amount of experiment, On-the-spot factor is few, experiment condition to there is also consideration
Situations such as excessively idealization, experimental model are excessively simple is it is difficult to the real situation in reflection scene.Both experiments can be taken into account simultaneously
Device, at present on the market never occur it is impossible to meet experiment demand, therefore, research and development one kind can meet diverting agent turn to and
The device of proppant sedimentation simulation, for improving oil-gas field development technology, makes great sense.
Content of the invention
This utility model aims to the defect and deficiency existing for above-mentioned prior art, provide a kind of diverting agent to turn to and
Proppant sedimentation simulation visual experimental apparatus, this utility model enables Dynamic injection and the closure of diverting agent, true simulation
On-site actual situations, accurately metering diverting agent closure pressure, obtains and temporarily blocks up indexes of capability evaluation, improves accurate testing degree, simplifies
Operating process.
This utility model is by being realized using following technical proposals：
A kind of diverting agent turn to and proppant sedimentation simulation visual experimental apparatus it is characterised in that：Including agitator tank group,
Visual man-made fracture, filtering tank, control system, acquisition system, camera system, wherein, described agitator tank group connects visual people
Work crack, visual man-made fracture connects filtering tank, and load fluid controls through control system and injects visual man-made fracture, acquisition system with
It is arranged on the detecting element mixing in tank group, visual man-made fracture and filtering tank to connect, camera system is installed on visual man-made fracture
Side, load fluid enters filtering tank after visual man-made fracture, and the clear water after filtration is recycled in agitator tank group.
Preferably, described agitator tank group includes clean water tank, agitator tank one, agitator tank two and three electromagnetic valves, tank outlet
End is respectively equipped with described electromagnetic valve, and outlet line is parallel-connected to input channel, and input channel is provided with effusion meter, by injection
Pump connects ascending pipe；Agitator tank one is provided with mixing pump one, and agitator tank two is provided with mixing pump two；Agitator tank one and agitator tank two
Structure is identical, and tank body top is equipped with gaza's mouth, adds fiber mouth, adds fracturing fluid mouth, for filling raw material.Raw material is in agitator tank
After the completion of filling, open mixing pump one and mixing pump two makes raw material mix homogeneously.
Preferably, described visual man-made fracture include suction line one, suction line two, entrance pit shaft, upper crack, under split
Seam, horizontal branch seam, vertical branch's seam, 45 degree branches stitch, outlet line one and outlet line two；Suction line one, inlet tube
It is equipped with electromagnetic valve and piezometer on line two, outlet line one and outlet line two；Suction line one is connected by entrance pit shaft
Upper crack, suction line two passes through entry well cylinder and connects lower crack, and entrance pit shaft upper end is provided with swivel joint, drives visually artificial
Crack rotates in 0～60 degree, and entrance pit shaft itself is two-layer cylinder pit shaft, is divided into inner core and outer tube, is distributed with and penetrates on inner core
Hole eyelet, preforation tunnel is the aperture of uneven distribution, simulation oil well preforation tunnel；Upper crack and lower crack are two blocks of tempering
The gap that glass plate laminating is formed, armorplate glass surrounding gluing, sealing bar, and pass through fastening bolt fixing seal；Split on multigroup
Seam and lower crack separately constitute crack Zu Hexia crack group, each gap UNICOM between the group of upper crack, and fluid can flow freely,
Individual gap UNICOM between the group of lower crack, fluid can flow freely；Completely cut off between upper crack and lower crack；The two blocks of tempering in upper crack
Spacing between spacing between glass plate and two pieces of lower crack armorplate glass all can be adjusted by adjusting fastening bolt；Outward
Annular space between cylinder and inner core is connected with the gap between upper crack and lower crack；The armorplate glass of lower crack side is provided with
Article 3, connecting sewing, is connected and installs the horizontal branch seam being formed using two pieces of armorplate glass laminatings, vertical branch's seam, 45 degree of branches
Seam；Horizontal branch seam, vertical branch's seam, 45 degree of branch's seam end remittance in parallel discharge lines；Upper crack exports connection outlet pipe
Line one, lower crack exports connection outlet pipeline two, and outlet line one and outlet line two are equipped with electromagnetic valve, outlet line one
Import discharge line with outlet line two.
Preferably, the employing flange between the group of described upper crack connects, and the employing flange between the group of lower crack connects, each
On block, the armorplate glass lower end of crack and lower crack side is equipped with 3 Butterworth Hatch, and Butterworth Hatch is provided with seal plug.
Preferably, described upper crack and lower crack are installed perpendicular to the ground, and upper fracture height is 300mm, and lower fracture height is
500mm, upper crack Zu Hexia crack group total length is 8000mm；Horizontal branch seam with ground keep level, vertical branch seam with
Ground keeps vertical, 45 degree of inclinations of 45 degree of branch's seams and ground holdings, and horizontal branch seam, vertical branch's seam, 45 degree of branch's seams are grown
Spend for 500mm, width is 300mm.
Preferably, the seam in described upper crack and lower crack is wide is set as 3～8mm, sets seam between upper crack and lower crack
Width differs, and the connecting sewing between lower crack and horizontal branch seam, vertical branch's seam, 45 degree of branch's seams stitches a width of 4mm.
Preferably, described filtering tank entrance connects discharge line, and filtering tank outlet connects recovery channel by circulating pump, returns
The clean water tank of closed tube road connection agitator tank group, agitator tank one, agitator tank two, each connecting pipeline are equipped with electromagnetic valve, lead to
Overregulate electromagnetic valve to select the required tank body sent into of the clear water after filtering.
Preferably, described camera system includes two photographic head；One photographic head installation site just to upper crack and under split
Seam, for observing the laid situation in upper crack and lower crack for the proppant；One photographic head installation site is just stitched to 45 degree of branches,
For observing the laid situation that proppant stitches in horizontal branch seam, vertical branch's seam, 45 degree of branches.
Preferably, described acquisition system includes piezometer, effusion meter, by the data transfer collecting to control system,
On suction line one, suction line two, outlet line one and outlet line two, piezometer is installed, by this four manometric fingers
Number change, measures diverting agent turning efficiency；Piezometer by being arranged on filtering tank ensures filtering safe simultaneously；By flow
Count control flow and time.
Preferably, described diverting agent turns to and proppant sedimentation simulates all devices of visual experimental apparatus all by control
System processed connects control, full-automatic operation.
Compared with prior art, what this utility model was reached has the beneficial effect that：
This utility model passes through appropriate design suction line, wellbore shape, perforation size and incipient crack opening degree, real
The Dynamic injection of existing diverting agent and closure, true simulated field practical situation, by arranging effusion meter and piezometer, accurately measures
Diverting agent blocks pressure, obtains and temporarily blocks up indexes of capability evaluation, improves accurate testing degree, streamline operation.
This utility model is failed to understand for current fracturing rear support agent settlement law, improved effect cannot real obtain
To the problem evaluated, take into full account fracturing features and strata condition, simulation Different Strata gap angle and stratum gap width, look into
The migration rule of bright proppant, the parameter optimization for fracturing work provides guidance.
Brief description
Below in conjunction with specification drawings and specific embodiments, the utility model is described in further detail, its
In：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of visual man-made fracture of the present utility model；
Fig. 3 is entrance shaft structure schematic diagram top view of the present utility model；
Fig. 4 is entrance shaft structure schematic diagram front view of the present utility model；
Fig. 5 is control mode schematic diagram of the present utility model.
Shown in figure：1 is clean water tank, and 2 is agitator tank one, and 3 is mixing pump one, and 4 is agitator tank two, and 5 is mixing pump two, 6
For input channel, 7 is injection pump, and 8 is suction line one, and 9 is suction line two, and 10 is entrance pit shaft, and 101 is inner core, and 102 are
Outer tube, 103 is preforation tunnel, and 11 is upper crack, and 12 is lower crack, and 13 is horizontal branch seam, and 14 is vertical branch's seam, and 15 is 45
Degree branch seam, 16 is outlet line one, and 17 is outlet line two, and 18 is discharge line, and 19 is filtering tank, and 20 is circulating pump, 21
For recovery channel.
Specific embodiment
With reference to Figure of description and embodiment, the present invention is described in detail, but not limited to this.
As shown in Figure 1 to 4, a kind of diverting agent turns to and proppant sedimentation simulation visual experimental apparatus, including stirring
Tank group, visual man-made fracture, filtering tank 19, control system, acquisition system, camera system；Agitator tank group connects visually manually to be split
Seam, visual man-made fracture connects filtering tank, by controlling pump and the valve in aforementioned system, load fluid injection is visually manually split
Seam, and the data of the detecting element being arranged in each system is collected by acquisition system, analysis judges diverting agent turning efficiency, leads to
Cross the laid situation of proppant that camera system gathers in the visual man-made fracture of image viewing, load fluid is after visual man-made fracture
Enter filtering tank, the clear water after filtration is recycled in agitator tank group, so that experimental provision is turned to and proppant sedimentation mould in diverting agent
During draft experiment, clear water recycles.
Described agitator tank group includes clean water tank 1, agitator tank 1,24, three electromagnetic valves of agitator tank；Tank outlet end is respectively
It is provided with electromagnetic valve, outlet line is parallel-connected to input channel 6, input channel 6 is provided with effusion meter, connects by injection pump 7
Ascending pipe 8；Agitator tank 1 is provided with mixing pump 1, and agitator tank 24 is provided with mixing pump 25；Agitator tank 1 and agitator tank two
4 structures are identical, and tank body top is equipped with gaza's mouth, adds fiber mouth, adds fracturing fluid mouth, and for filling raw material, raw material is in agitator tank
After the completion of interior filling, open mixing pump 1 and mixing pump 25 makes raw material mix homogeneously.Described visual man-made fracture includes entrance
Pipeline 1, suction line 29, entrance pit shaft 10, upper crack 11, lower crack 12, horizontal branch seam 13, vertical branch's seam 14,45
Degree branch seam 15, outlet line 1 and outlet line 2 17；Suction line 1, suction line 29, outlet line 1 and
Electromagnetic valve and piezometer are equipped with outlet line 2 17；Suction line 1 passes through entrance pit shaft 10 and connects upper crack 11, entrance
Pipeline 29 passes through entrance pit shaft 10 and connects lower crack 12, and entrance pit shaft 10 upper end is provided with swivel joint, drives visual man-made fracture
Rotate in 0～60 degree, 10, entrance pit shaft, as two-layer cylinder pit shaft, is divided into inner core 101 and outer tube 102, inner core 101 divides
It is furnished with preforation tunnel 103, preforation tunnel 103 is the aperture of uneven distribution, the eyelet of simulation oil well perforation；Upper crack 11 and under
Crack 12 is the gap that two pieces of armorplate glass laminatings are formed, armorplate glass surrounding gluing, sealing bar, and passes through to fasten spiral shell
Bolt fixing seal；Multigroup upper crack 11 and lower crack 12 separately constitute crack Zu Hexia crack group, each between the group of upper crack
Gap UNICOM, fluid can flow freely, the individual gap UNICOM between the group of lower crack, and fluid can flow freely；Upper crack 11 and under
Completely cut off between crack 12；Between spacing between the 11 two pieces of armorplate glasses in upper crack and 12 two pieces of lower crack armorplate glass
Spacing all can be adjusted by adjusting fastening bolt；Annular space between outer tube 102 and inner core 101 and upper crack 11 and lower crack 12
Between gap connect；The armorplate glass of lower crack 12 side is provided with 3 connecting sewings, connects and installs using two pieces of tempering glass
14,45 degree of branch's seams 15 stitch in the horizontal branch seam 13 that glass plate laminating is formed, vertical branch；Horizontal branch seam 13, vertical branch's seam
14th, 45 degree of branch's seam 15 end remittance in parallel discharge lines 18；Upper crack 11 exports connection outlet pipeline 1, and lower crack 12 goes out
Mouthful connection outlet pipeline 2 17, outlet line 1 and outlet line 2 17 be equipped with electromagnetic valve, outlet line 1 and going out
Mouth pipeline 2 17 imports discharge line 18.Employing flange between the group of described upper crack connects, the employing method between the group of lower crack
Blue connection, the armorplate glass lower end of each piece of upper crack 11 and lower crack 12 side is equipped with 3 Butterworth Hatch, and Butterworth Hatch sets
There is seal plug.Described upper crack 11 and lower crack 12 are installed perpendicular to the ground, and upper crack 11 height is 300mm, and lower crack 12 is high
Spend for 500mm, upper crack Zu Hexia crack group total length is 8000mm；Horizontal branch seam 13 with ground keep level, vertical divide
Prop up seam 14 and keep vertical, 45 degree of inclinations of 45 degree of branches' seams 15 and ground holdings, horizontal branch seam 13, vertical branch's seam with ground
14th, 15 length are stitched by 45 degree of branches is 500mm, and width is 300mm.The seam in described upper crack 11 and lower crack 12 is wide to be set as 3～
8mm, between upper crack 11 and lower crack 12 set seam width differ, lower crack 12 and horizontal branch seam 13, vertical branch seam 14,
Connecting sewing between 45 degree of branch's seams 15 stitches a width of 4mm.Described filtering tank 19 entrance connects discharge line 18, and filtering tank 19 exports
By the clean water tank 1 of circulating pump 20 connection recovery channel 21 connection agitator tank group, agitator tank 1, agitator tank 24, each company
It is equipped with electromagnetic valve, the tank body sent into needed for the clear water after selecting to filter by electromagnetic valve for adjusting on adapter line.Described shooting
System includes two photographic head；One photographic head installation site, just to upper crack 11 and lower crack 12, exists for observing proppant
Upper crack 11 and the laid situation in lower crack 12；One photographic head installation site just stitches 15 to 45 degree of branches, supports for observing
Agent stitches, in horizontal branch, the laid situation that 14,45 degree of branch's seams 15 stitch in 13, vertical branch.Described acquisition system includes piezometer,
Effusion meter, by the data transfer collecting to control system, in suction line 1, suction line 29, outlet line 1 and
Piezometer is installed on outlet line 2 17, by this four manometric index variations, measures diverting agent turning efficiency；Lead to simultaneously
Cross the piezometer being arranged on filtering tank 19 and ensure filtering safe；Flow and time are controlled by flow meter data.Described temporarily block up
The all devices of agent steering and proppant sedimentation simulation visual experimental apparatus all connect control by control system, full-automatic
Operation.
As shown in Fig. 2 upper crack 11, lower crack 12 and three groups of branch of different shapes seams represent differently slabbing respectively
Seam, proppant in sedimentation simulation experiment, laid situation in Different Strata crack, all can be by transparent visual man-made fracture
Observe, during analog composite sand fracturing, specifically can achieve following function：1）Simulation different fluid carries proppant fortune
Shifting, settlement law, observe the laid state of proppant, grasp the matching relationship of liquid and proppant further；2）Simulation changes sky
So fracture orientation, test orientation changes the impact of convection cell migration and the laid state of proppant.
As shown in Figure 3, Figure 4, by the design of entrance pit shaft 10 shape, realize interlayer and turn to, simulation diverting agent turns to mould
Draft experiment, that is, after diverting agent blocks partial completion eyelet 103, new preforation tunnel 103 can allow fracturing fluid turn to, specifically can be real
Now following function：1）Simulation different fluid replaces the nowed forming injecting in complicated seam net；2）Under the conditions of two kinds of seam width of simulation,
Sealing realizes the temporary stall of temporary plugging ball to simulation, temporarily blocks up preforation tunnel 103 and major fracture entrance.
As shown in Figure 3, Figure 4, by the design of entrance pit shaft 10 shape, realize turning in layer, simulation diverting agent turns to mould
Draft experiment, that is, after diverting agent blocks partial completion eyelet 103, new preforation tunnel 103 can allow fracturing fluid turn to, specifically can be real
Now following function：The solid phase material such as fiber, temporary plugging ball shunting steering state in simulation fracturing fluid.
Turn in diverting agent and proppant sedimentation is simulated in visualized experiment, first turn on control system, check visual people
Seal degree between work flaw level degree, each equipment, instrument numerical value situation etc.；Clear water, agitator tank one is added in clean water tank 1
2 and agitator tank 24 in add clear water, proppant and fiber, that can add a diameter of 1mm temporarily blocks up granule simultaneously, opens mixing pump
1 and mixing pump 25 make raw material mix homogeneously, mixing time be 0.5～1h, load fluid sand concentration range：0～400kg/m3；
Open the electromagnetic valve that agitator tank group each exports as needed, load fluid is sent to suction line 1 respectively by injection pump 7 and enters
Mouth pipeline 29 simultaneously enters entry well cylinder 10, infusion maximum pump discharge：3m3/h, after load fluid enters inner core 101, by preforation tunnel
The annular spaces of 103 entrance outer tube 102, and enter crack 11 and lower crack 12, the armorplate glass between crack be spaced apart 3～
8mm, the crack interval that upper crack 11 is arranged with lower crack 12 is different, and the laid process of proppant is 2000-3000s, and proppant exists
Upper crack 11 and lower crack 12 and horizontal branch seam 13, vertical branch stitch 14,45 degree branches stitch laid in 15 after, load fluid
Flow out to discharge line 18 from outlet line 1 and outlet line 2 17 and be sent to filtering tank 19, the clear water after filtration passes through to follow
Ring pump 20 is transmitted back in agitator tank group, recycles；Acquisition system is by the data feedback of piezometer and effusion meter to control system
In, observe diverting agent turning efficiency, observe the laid situation of proppant simultaneously by camera system.
After the completion of experiment, outlet line 1 and outlet line 2 17 valve closing open armorplate glass Butterworth Hatch
On seal plug, open clean water tank 1 and visual man-made fracture be carried out, proppant is all discharged visual man-made fracture；
Open the back washing device of filtering tank 19, cleaning filtering tank 19 is to can reuse.
The above be only the preferred embodiment of the present invention it is noted that the invention is not limited in aforesaid way,
Without departing from the principles of the invention moreover it is possible to improve further, these improvement also should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of diverting agent turn to and proppant sedimentation simulation visual experimental apparatus it is characterised in that：Including agitator tank group, can
Depending on man-made fracture, filtering tank, control system, acquisition system, camera system, wherein, described agitator tank group connects visually artificial
Crack, visual man-made fracture connects filtering tank, and load fluid controls the visual man-made fracture of injection, acquisition system and peace through control system
It is contained in the detecting element mixing in tank group, visual man-made fracture and filtering tank to connect, camera system is installed on visual man-made fracture one
Side, load fluid enters filtering tank after visual man-made fracture, and the clear water after filtration is recycled in agitator tank group.
2. a kind of diverting agent according to claim 1 turns to and proppant sedimentation simulation visual experimental apparatus, its feature
It is：Described agitator tank group includes clean water tank, agitator tank one, agitator tank two and three electromagnetic valves, and tank outlet end is respectively equipped with
Described electromagnetic valve；Agitator tank one is provided with mixing pump one, and agitator tank two is provided with mixing pump two；Agitator tank one and agitator tank two are tied
Structure is identical, and tank body top is equipped with gaza's mouth, adds fiber mouth, adds fracturing fluid mouth, for filling raw material.
3. a kind of diverting agent according to claim 2 turns to and proppant sedimentation simulation visual experimental apparatus, its feature
It is：Described visual man-made fracture includes suction line one, suction line two, entrance pit shaft, upper crack, lower crack, level are divided
Seam, vertical branch's seam, 45 degree branches stitch, outlet line one and outlet line two；Suction line one, suction line two, outlet
It is equipped with electromagnetic valve and piezometer on pipeline one and outlet line two；Suction line one passes through entrance pit shaft and connects upper crack, enters
Mouthful pipeline two passes through entry well cylinder and connects lower crack, and entrance pit shaft upper end is provided with swivel joint, drive visual man-made fracture 0～
Rotate in 60 degree, entrance pit shaft itself is two-layer cylinder pit shaft, is divided into inner core and outer tube, preforation tunnel is distributed with inner core, penetrates
Hole eyelet is the aperture of uneven distribution, simulation oil well preforation tunnel；Upper crack and lower crack are two pieces of armorplate glass patches
Close the gap being formed, armorplate glass surrounding gluing, sealing bar, and pass through fastening bolt fixing seal；Multigroup upper crack and under split
Seam separately constitutes crack Zu Hexia crack group, each gap UNICOM between the group of upper crack, the individual gap connection between the group of lower crack
Logical；Completely cut off between upper crack and lower crack；Spacing between the two pieces of armorplate glasses in upper crack and two blocks of lower crack safety glass
Spacing between plate all can be adjusted by adjusting fastening bolt；Annular space between outer tube and inner core and upper crack and lower crack it
Between gap connect；The armorplate glass of lower crack side is provided with 3 connecting sewings, connects and installs using two pieces of armorplate glasses
The horizontal branch seam that laminating is formed, vertical branch stitch, 45 degree of branches' seams；Horizontal branch seam, vertical branch's seam, 45 degree of branch's seam ends
End is in parallel to import discharge line；Upper crack exports connection outlet pipeline one, and lower crack exports connection outlet pipeline two, outlet line
One and outlet line two on be equipped with electromagnetic valve, outlet line one and outlet line two import discharge line.
4. a kind of diverting agent according to claim 3 turns to and proppant sedimentation simulation visual experimental apparatus, its feature
It is：Employing flange between the group of described upper crack connects, and the employing flange between the group of lower crack connects, each piece of upper crack and
The armorplate glass lower end of lower crack side is equipped with 3 Butterworth Hatch, and Butterworth Hatch is provided with seal plug.
5. a kind of diverting agent according to claim 4 turns to and proppant sedimentation simulation visual experimental apparatus, its feature
It is：Described upper crack and lower crack are installed perpendicular to the ground；Horizontal branch seam and ground keep level, vertical branch's seam and ground
Keep vertical, 45 degree of inclinations of 45 degree of branch's seams and ground holdings.
6. a kind of diverting agent according to claim 5 turns to and proppant sedimentation simulation visual experimental apparatus, its feature
It is：The seam in described upper crack and lower crack is wide to be set as 3～8mm, sets seam width and differ between upper crack and lower crack, under
Connecting sewing between crack and horizontal branch seam, vertical branch's seam, 45 degree of branch's seams stitches a width of 4mm.
7. a kind of diverting agent according to claim 6 turns to and proppant sedimentation simulation visual experimental apparatus, its feature
It is：Described filtering tank entrance connects discharge line, and filtering tank outlet connects recovery channel by circulating pump, and recovery channel connects
The clean water tank of agitator tank group, agitator tank one, agitator tank two, each connecting pipeline is equipped with electromagnetic valve, by adjusting electromagnetism
Valve is selecting the required tank body sent into of the clear water after filtering.
8. a kind of diverting agent according to claim 7 turns to and proppant sedimentation simulation visual experimental apparatus, its feature
It is：Described camera system includes two photographic head；One photographic head installation site just to upper crack and lower crack, for observing
Proppant is in the laid situation in upper crack and lower crack；One photographic head installation site is just stitched to 45 degree of branches, props up for observing
The laid situation that support agent is stitched in horizontal branch seam, vertical branch's seam, 45 degree of branches.
9. a kind of diverting agent according to claim 8 turns to and proppant sedimentation simulation visual experimental apparatus, its feature
It is：Described acquisition system includes piezometer, effusion meter, by the data transfer collecting to control system, suction line one,
Piezometer is installed on suction line two, outlet line one and outlet line two.
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