CN206888968U - Experimental instrument for simulating flow distribution and spreading of horizontal well multi-section clustering fracturing propping agent - Google Patents
Experimental instrument for simulating flow distribution and spreading of horizontal well multi-section clustering fracturing propping agent Download PDFInfo
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- CN206888968U CN206888968U CN201720465354.2U CN201720465354U CN206888968U CN 206888968 U CN206888968 U CN 206888968U CN 201720465354 U CN201720465354 U CN 201720465354U CN 206888968 U CN206888968 U CN 206888968U
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Abstract
The utility model relates to a simulation horizontal well multistage clustering fracturing propping agent reposition of redundant personnel and experimental apparatus who spreads, including liquid and the mixed injection module of propping agent, it still includes horizontal shaft analog module and fracturing crack analog module, horizontal shaft analog module includes a plurality of perforation simulation pipe fittings and fracture connection spare, fracturing crack analog module includes plane crack device and flange. The scheme can be used for carrying out proppant shunting and spreading rule simulation under the conditions of different numbers of perforating clusters, perforating cluster intervals, perforating apertures, fracture forms, fracturing fluid injection parameters and the like, can simulate proppant shunting and spreading simulation of single plane fractures of conventional horizontal wells according to the fracture forms, can also be used for proppant shunting and spreading simulation of complex fractures of unconventional reservoirs such as shale or coal bed gas and the like, and solves the research problems under the experimental conditions of different numbers of perforating clusters, perforating cluster intervals, injection displacement, fracture forms, fracture spreading speeds and the like.
Description
Technical field
It the utility model is related to the experiment of oil-gas storage layer fractured horizontal well, specifically a kind of simulation water horizontal well multistage sub-clustering pressure
Split proppant shunting and the laboratory apparatus of spread.
Background technology
China's hyposmosis and untraditional reservoir are widely distributed, and reservoir porosity and permeability are relatively low, development well natural birth
The low and deficiency in economic performance of energy, in order to improve well yield and economic benefit, weight of the hydraulic fracturing into exploitation Low permeable oil and gas reservoirs
Want means and necessary well stimulation, mainly developed with vertical well fracture early stage based on, fracturing reform volume and pressure break scale are limited,
Corresponding exploitation well production is relatively low.Development and constantly progressive, long net horizontal section drilling well and extensive water with development technique
Force to be cleaved into and be generally divided into multistage pressure break for main modification measures, long net horizontal section.In order to increase fracturing reform as far as possible
Volume and lifting well yield, form horizontal well " multistage sub-clustering " pressure break, horizontal well on the basis of horizontal well multistage pressure break
It is divided into several fracturing sections, each fracturing section penetrates more cluster holes, makes every effort to form more cluster fracturing fractures in fracturing process.Part is non-simultaneously
Conventional oil gas reservoir intrinsic fracture such as shale gas is developed, and the chicken-wire cracking of complexity is likely to form in fracturing process, causes crack
Complex shape is changeable and unpredictable.
In horizontal well " multistage sub-clustering " fracturing process, more shower holes of each fracturing section are likely to form fracturing fracture, lead
Fracturing fluid is caused to form shunting in horizontal wellbore, shunting migration also occurs accordingly for proppant, and proppant is in horizontal wellbore
Bifurcated characteristic, determine the support dosage in single cluster complex fracture system.Simultaneously because part Low permeable oil and gas reservoirs intrinsic fracture
Development, may cause the formation of complex fracture network, and proppant equally exists distributary phenomenon in the primary and secondary crack of complex fracture,
Cause follow-up migration and the Distribution Pattern of proppant complicated and changeable.Bifurcated characteristic of the proppant in horizontal wellbore, is determined
The support dosage of each perforation cluster fracturing fracture, causes that the proppant distribution mode of fracturing fracture is different, and concurrent fracturing splits
There is also difference for support dosage in the major fracture of seam and secondary crack.Proppant is in horizontal wellbore and complex fracture primary and secondary crack
In shunting and Distribution Pattern, direct shadow most important for the efficiency assessment of fracturing fracture flow conductivity and fracturing fracture
The determination to the dosage and pressure break infusion program of FRACTURING DESIGN proppant is rung, is related to post-fracturing gas production and production prediction,
Determine can economical and efficient exploitation Low permeable oil and gas reservoirs.
At present, it is corresponding both at home and abroad for shunting of the proppant in horizontal wellbore and complex fracture system and spread problem
Study mechanism and instrument research are relatively fewer, do not form corresponding appraisement system and evaluation method also, proppant is in horizontal well
Shunting mechanism in cylinder and complex fracture primary and secondary crack is still not clear, and Distribution Pattern is not clear, can not be to single cluster fracturing fracture
Quantified and verified with the support dosage in complex fracture primary and secondary crack, so as to limit pressure after crack flow conductivity evaluation
With production prediction after pressure.
The purpose of this utility model is to design a kind of laboratory experiment instrument, can carry out horizontal well " multistage sub-clustering " pressure break
During proppant shunting and Distribution Pattern research, motion and bifurcated characteristic of the proppant in horizontal wellbore can be explored,
Evaluate different perforation cluster cracks, the proppant migration in complex fracture primary and secondary crack and Distribution Pattern, the laboratory apparatus of formation can be with
For horizontal well " multistage sub-clustering " FRACTURING DESIGN, construction and proppant selection reference frame is provided, can be live pressing crack construction with
The supporting crack flow conductivity in crack, which is assessed, after pressure provides reference.
Utility model content
The purpose of this utility model is to provide a kind of simulation water horizontal well multistage sub-clustering fracturing propping agents shunting and spread
Laboratory apparatus, it can be used in point of the proppant in horizontal wellbore and fracturing fracture in horizontal well " multistage sub-clustering " fracturing process
Stream and Distribution Pattern experimental study, solve different perforation number of clusters, perforation cluster spacing, injection discharge capacity, fracture pattern and crack extension
Studying a question under the experiment conditions such as speed.
The technical solution of the utility model is as follows：
A kind of simulation water horizontal well multistage sub-clustering fracturing propping agents shunting and the laboratory apparatus of spread, including liquid and proppant
Injection module is mixed, it also includes horizontal wellbore analog module and fracturing fracture analog module, the horizontal wellbore analog module
Pipe fitting and crack connector are simulated including multi-openings.
The perforation simulated pipe fitting in the vertical direction coaxially passes through connection between distribution and adjacent two perforation simulated pipe fitting
Fastener for connection, it is defeated positioned at the top of the perforation simulated pipe fitting of the top and the liquid of the liquid and mixed with proppants injection module
Go out end connection, positioned at the bottom end seal of the perforation simulated pipe fitting of bottom, the perforation simulated pipe fitting includes outer layer pipe and embedding
The inner layer steel pipe being enclosed in the outer layer pipe, the middle part hollow out of the outer layer pipe, offer in the middle part of the inner layer steel pipe
Preforation tunnel, the both ends of the outer layer pipe and inner layer steel pipe are respectively provided with the first flange for being connected with the joint steel pipe
Disk, the perforation simulated pipe fitting are overlapping with the two first flange disks of one end.
The crack connector includes horizontally disposed steel plate, and the steel plate splits from inward-facing offer in right side for simulation
The crack groove of seam, the left side of the steel plate offer the welding hole run through up and down, and the middle part of the inner layer steel pipe is positioned at described
In welding hole, the top edge of the outer layer pipe hollow-out parts and the upper port edge of welding hole weld, outer layer pipe hollow-out parts
The lower port edge of lower edge and welding hole welds, and the right side through crack groove of the welding hole causes inner layer steel pipe and crack
Groove connects, and the right side of the steel plate is provided with second flange disk.
The fracturing fracture analog module includes plane crack device and adpting flange, the plane crack device level court
Right distribution, plane crack device are connected with the second flange disk of crack connector by adpting flange, adjacent plane crack dress
Connected between putting by adpting flange, the port of export of plane crack device is provided with flow valve and flowmeter.Further, also
Including liquids recovery and using module, the liquids recovery and using module there is recycling tank, liquid to collect pipeline and filter
Mistake collects pipeline, and the port of export of plane crack device is connected with crack outlet connecting pipe, and the crack outlet connecting pipe leads to
Cross liquid collect pipeline with it is described recycling tank be connected, leak-off eyelet, the leak-off are offered on the device of the plane crack
Eyelet collects pipeline by leak-off and is connected with the recycling tank.
Further, the steel plate is welded by upper steel plate and lower steel plate are relative up and down, is provided with the crack groove
For adjusting the regulation cushion block of fracture height.
Further, plane crack device is assembled by poly (methyl methacrylate) plate, is provided with it for adjusting crack
The lucite pad of height.
Further, the liquid and mixed with proppants injection module include blending tank, proppant adding set and liquid
Injection pump, the blending tank have clear water inlet, proppant inlet, recovery inlet and liquid outlet, the recovery
Inlet is connected with recycling tank pipeline, and the proppant inlet is connected with proppant adding set pipeline, the liquid
Delivery outlet is connected with liquid infusion pump pipeline and flow valve and flowmeter is provided with pipeline, the liquid infusion pump with it is described
Flow valve and flowmeter are installed on the upper end pipeline connection of perforation simulated pipe fitting and pipeline.
Further, the perforation number of clusters of the preforation tunnel is designed as two to four clusters.
Further, the adpting flange leads to acting flange, threeway adpting flange and four-way adpting flange including two.
This programme can carry out different perforation number of clusters, perforation cluster spacing, perforation diameter, fracture pattern, fracturing fluid injection ginseng
Proppant shunting and Distribution Pattern simulation under the conditions of number etc., conventional horizontal well single plane crack can be simulated according to fracture pattern
Proppant shunting simulated with spread, the proppant of the complex fracture of the unconventional reservoirs such as shale or coal bed gas can also be carried out
Shunting and spread simulation.Instrument of the present utility model can be that preferred proppant, proppant shunting and the research of distribution mode carry
For service, while can select to provide experiment support for fractured horizontal well conceptual design, pressing crack construction and proppant.
The advantages of this programme, is：
(1) horizontal well that can be simulated under different perforation number of clusters, perforation cluster spacing, perforation diameter and Perforation said conditions is more
The shunting of section sub-clustering fracturing propping agents and characteristics of motion simulation.
(2) migration of typical crack morphological level well multistage sub-clustering fracturing propping agents can be carried out to simulate with spread, can also
The shunting of complex fracture form proppant is carried out to simulate with spread.
(3) the horizontal wellbore simulation of instrument and results of fracture simulation use modularized design, can carry out modularization as needed
Assembling.
(4) rate of discharge in different perforation cluster cracks can be set, simulate the expansion rate in different perforation cluster cracks, from
And simulation fracture expansion rate shunts to proppant and the influence of spread.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of horizontal wellbore analog module of the present utility model；
Fig. 3 is the horizontal cross-section schematic diagram of crack connector of the present utility model；
Fig. 4 is the vertical section schematic diagram of crack connector of the present utility model；
Fig. 5 is that adpting flange of the present utility model is two structural representations when leading to acting flange；
Fig. 6 is the comparison diagram that different angle is set when adpting flange of the present utility model is threeway adpting flange；
Fig. 7 is the comparison diagram that different angle is set when adpting flange of the present utility model is four-way adpting flange.
Embodiment
The utility model will be further described with reference to the accompanying drawings and examples.
A kind of simulation water horizontal well multistage sub-clustering fracturing propping agents shunting and the laboratory apparatus of spread, including liquid and proppant
Injection module is mixed, it also includes horizontal wellbore analog module and fracturing fracture analog module.The horizontal wellbore analog module
Pipe fitting 9 and crack connector 8 are simulated including multi-openings.
Wherein, the in the vertical direction of perforation simulated pipe fitting 9 coaxially leads between distribution and adjacent two perforation simulated pipe fitting 9
Cross joint steel pipe 19 to connect, positioned at the top of the perforation simulated pipe fitting 9 of the top and the liquid and mixed with proppants injection mould
The fluid output port connection of block, positioned at the bottom end seal of the perforation simulated pipe fitting 9 of bottom, can use the envelope of end plug 23
Close.The perforation simulated pipe fitting 9 includes outer layer pipe and the inner layer steel pipe being nested in the outer layer pipe,
The middle part hollow out of the outer layer pipe, preforation tunnel 24, the outer layer steel are offered in the middle part of the inner layer steel pipe
The both ends of pipe and inner layer steel pipe are respectively provided with the first flange disk 20 for being connected with the joint steel pipe 19, the perforation simulated pipe
Part 9 is overlapping with the two first flange disks 20 of one end.
The perforation simulated pipe fitting 9 is formed by nesting inside and outside two steel pipes, and slotted vane is fixed in the both ends of outer and inner tube using screw
It is fixed.The middle part of perforation simulated device sets the eyelet of different size and number, can adjust each perforation cluster crack
Perforation size and hole count quantity, while perforation simulated device can be dismantled easily from attachment means, more convenient simulation is not
Proppant shunting rule under the conditions of same perforating parameter.
The crack connector 8 includes horizontally disposed steel plate 21, and the steel plate 21 is used for from inward-facing offer in right side
The crack groove 25 of simulation fracture, the left side of the steel plate 21 offer the welding hole run through up and down, in the inner layer steel pipe
Portion is located in the welding hole, and the top edge of the outer layer pipe hollow-out parts and the upper port edge of welding hole weld, outer layer steel
The lower edge of pipe hollow-out parts and the lower port edge of welding hole weld, and the right side through crack groove 25 of the welding hole is so that interior
Layer steel pipe connects with crack groove 25, and the right side of the steel plate 21 is provided with second flange disk 17.
The fracturing fracture analog module includes plane crack device 10 and adpting flange 12, plane crack device 10
Level is connected towards right distribution, plane crack device 10 with the second flange disk 17 of crack connector 8 by adpting flange 12, phase
Connected between adjacent plane crack device 10 by adpting flange 12, the port of export of plane crack device 10 is provided with flow valve
And flowmeter.
Fracturing fracture analog module can carry out modularization assembling as needed, simulate different fracture patterns and crack bar
Number.Using modularization assembling, fracturing fracture analog module can both simulate the single crack of conventional plane, can simulate and be applied to again
The complex fracture form of coal bed gas or shale gas fracturing fracture.Crack interference be present in horizontal well " multistage sub-clustering " fracturing process
With the influence of anisotropism, the expansion rate in different perforation cluster cracks there may be difference, corresponding each perforation cluster crack
Liquid inlet volume is also different, and the fast crack liquid inlet volume of rate of crack propagation is big.Therefore, the utility model extends to embody crack
Proppant is shunted speed and the influence of spread, using the flow control valve of each perforation cluster crack end, it is determined that different
The fluid flow in perforation cluster crack, so as to simulate the influence of different expansion rates.
In order to reduce the dosage of experimental liquid, this experimental provision also includes liquids recovery and using module, by experimental liquid
Reclaim and be connected using module with liquid and mixed with proppants injection module, it is possible to achieve test the repetition profit of fracturing liquid
With.The liquids recovery and have using module recycle tank 16, liquid collects pipeline 14 and leak-off collects pipeline 15, described
The port of export of plane crack device 10 is connected with crack outlet connecting pipe 13, and the crack outlet connecting pipe 13 is collected by liquid
Pipeline 14 is connected with the recycling tank 16, and leak-off eyelet, the leak-off eyelet are offered on plane crack device 10
Collect pipeline 11 by leak-off to be connected with the recycling tank 16.
The steel plate 21 is welded by upper steel plate 21 and lower steel plate are relative about 21, and use is provided with the crack groove 25
In the regulation cushion block of regulation fracture height, realize that the fracture width of dummy level wellbore apparatus is adjustable.If the height of crack groove 25 is
15mm, the thickness of optional regulation cushion block cushion block is respectively 5mm and 10mm, is changed using adjusting in cushion block insertion crack attachment means
Fracture height, crack attachment means is formed 5mm, 10mm and 15mm fracture height, be allowed to and fracturing fracture analog module
Fracture width match.
Plane crack device 10 is assembled by poly (methyl methacrylate) plate, glass surrounding bag metal edge frame, is provided with it
For adjusting the lucite pad of fracture height.Six leak-off eyelets are drilled with the poly (methyl methacrylate) plate of plane crack device 10,
Leak-off eyelet connects crack leak-off pipeline 11 and installation flow valve and flowmeter, and leak-off eyelet can be controlled in experimentation
Proppant is shunted with the filtration rate in simulation fracture face for flow and the influence of spread.
The liquid and mixed with proppants injection module include blending tank 3, proppant adding set 4 and liquid infusion pump 7,
The blending tank 3 has clear water inlet 1, proppant inlet 2, recovery inlet and liquid outlet, the recovery injection
Mouth is connected with recycling the pipeline of tank 16, and the proppant inlet 2 is connected with the pipeline of proppant adding set 4, the liquid
Delivery outlet is connected with the pipeline of liquid infusion pump 7 and flow valve 5 and flowmeter 6 is provided with pipeline, the liquid infusion pump 7 with
Flow valve and flowmeter are installed on the upper end pipeline connection of the perforation simulated pipe fitting 9 and pipeline.
The perforation number of clusters of the preforation tunnel 24 is designed as two to four clusters, perforation cluster spacing can set 500mm,
1000mm, 1500mm and 2000mm, random length can be arranged as required to.Meanwhile can be as needed to different perforation showers
The hole perforating parameter such as set different eyelets, hole close.
The adpting flange 12 leads to acting flange 12, threeway adpting flange 12 and four-way adpting flange 12 including two, can be with
Connect the Fracture System of different angle and different shape.In order to meet the needs of fracture width change, the crack of adpting flange 12
Width can also carry out condition to meet the demand of different parallel fracture devices using cushion block.Wherein Fig. 5 leads to connection for two
Orchid 12, it is mainly used in the connection and simulation in conventional single plane crack.Fig. 6 is the threeway adpting flange 12 of different angle, mainly
For simulating complex fracture, the both ends connection major fracture of flange, other end connects secondary crack, wherein the angle in secondary crack
Respectively 30 °, 45 °, 60 ° and 90 °.Fig. 7 is the four-way flange of board slit simulation apparatus, is mainly used in simulating the complex fractures such as shale
Form, the horizontal both ends connection major fracture of device, in addition both ends connect secondary crack, 30-45 ° of simulation, 30-60 °, 30-90 °,
45-60 °, 45-90 °, 60-90 ° of fracture pattern.
With reference to accompanying drawing 1-7, experiment flow of the present utility model is introduced：
(1) experimental program is formulated.1) fracturing fracture form determines.Determined to need the crack shape simulated according to reservoir characteristics
State,
Be that conventional Low permeable oil and gas reservoirs consider single plane results of fracture simulation if necessary to research, if for shale or
Coal bed gas horizontal well is simulated, and complex fracture module may be selected and studied, determine width and the complex fracture master in perforation cluster crack
The width in secondary crack.2) fracturing fluid type selecting.According to the demand at pressure break scene, it is determined that the type and viscosity of live fracturing fluid,
Determine experimental liquid dosage and the dosage of additive.3) selection of proppant is tested.According to the proppant type at scene and construction
The parameters such as the sand ratio change of infusion program, determine type, particle diameter and the support dosage of proppant, and proppant is added added to automatic
Sand device.4) determination of analogue perforation parameter.According to site perforation and completion rule, it is determined that the perforation number of clusters of experiment, perforation cluster
The parameter such as spacing and perforation diameter.5) determination of discharge capacity is tested.Using similarity criterion principle, it is determined that the construction total displacement tested,
Determine the outlet discharge capacity in single perforation cluster crack.
(2) the pipeline connection of experimental provision.1) connection of apparatus for combining liquids.By clear water injection pipeline connection liquid and branch
The blending tank 3 of agent is supportted, then connects blending tank 3 using pipeline with proppant adding set 4.2) blending tank 3 injects with liquid
Pump 7 connects, while connection traffic valve 5, flowmeter 6 and pressure gauge etc..3) connection of horizontal wellbore analog module.By perforation mould
Intend pipe fitting 9 and crack connector 8 to be connected with each other, be assembled into the perforation number of clusters and perforating parameter of needs, then with liquid infusion pump 7
Connection.4) fracturing fracture analog module.Plane crack device 10 and the interconnection of adpting flange 12 are assembled into experimental program and set
The fracture pattern of meter, one end junction steel plate 21 of plane crack device 10, other end connect adpting flange 12, connected on fracture surface
Connect leak-off and collect pipeline 11, corresponding leak-off valve and flowmeter.5) proppant adding set 4 is connected with blending tank 3.By crack
Outlet connecting pipe 13 is connected with each other with recycling tank 16, while is connected tank 16 is recycled with blending tank 3.6) laboratory apparatus
Pressure testing.The laboratory apparatus connected is subjected to liquid injection pressure testing, it is ensured that laboratory apparatus disclosure satisfy that experiment demand.
(3) experimental liquid configures.According to the design requirement of experimental program, it would be desirable to various additives insert blending tank 3
In, clear water is then filled, the mixing of liquid is carried out using agitating device, obtains a certain amount of fracturing fluid of configuration.
(4) proppant prepares.Empirically the proppant type of scheme and weight are inserted in proppant adding set 4, simultaneously
Set according to scheme and add sand speed.
(5) proppant shunting and spread experimental simulation.After the completion of all preparations, empirically flow is supported agent point
Stream and spread experiment, discharge capacity, the outlet discharge capacity in single cluster crack, the filter loss of leak-off eyelet of regulation liquid infusion pump 7, which reach, to be set
Evaluation.The numerical value of all flowmeters and pressure gauge of computer record laboratory apparatus is utilized in experimentation.In experimentation, utilize
Proppant spread situation of change of the camera record per cluster crack.
(6) experimental result observation and analysis.According to experimentation and final proppant spread situation is tested, is tested
As a result analysis, judge perforation number of clusters, perforation cluster spacing, fracture pattern and displacement variation etc. to proppant shunting and the shadow of spread
Ring.
(7) experimental provision cleans.After the completion of experiment, cleaning and the dismantlement work of experimental provision are carried out.
Laboratory apparatus of the present utility model can not only carry out horizontal well " multistage sub-clustering " pressure of conventional Low permeable oil and gas reservoirs
Proppant shunting and Distribution Pattern simulation are split, can also be carried out in the horizontal wells such as shale and coal bed gas " multistage sub-clustering " fracturing process
Proppant in complex fracture form proppant shunting and spread simulation.
Claims (7)
1. a kind of simulation water horizontal well multistage sub-clustering fracturing propping agents shunting and the laboratory apparatus of spread, including liquid and proppant mix
Close injection module, it is characterised in that：Also include horizontal wellbore analog module and fracturing fracture analog module,
The horizontal wellbore analog module includes multi-openings simulation pipe fitting and crack connector；
The perforation simulated pipe fitting in the vertical direction coaxially passes through joint steel pipe between distribution and adjacent two perforation simulated pipe fitting
Connection, positioned at the top of the perforation simulated pipe fitting of the top and the liquid and the fluid output port of mixed with proppants injection module
Connection, positioned at the bottom end seal of the perforation simulated pipe fitting of bottom, the perforation simulated pipe fitting includes outer layer pipe and is nested in
Inner layer steel pipe in the outer layer pipe, the middle part hollow out of the outer layer pipe, perforation is offered in the middle part of the inner layer steel pipe
Eyelet, the both ends of the outer layer pipe and inner layer steel pipe are respectively provided with the first flange disk for being connected with the joint steel pipe, institute
It is overlapping with the two first flange disks of one end to state perforation simulated pipe fitting；
The crack connector includes horizontally disposed steel plate, and the steel plate is offered for simulation fracture from right side is inward-facing
Crack groove, the left side of the steel plate offer the welding hole run through up and down, and the middle part of the inner layer steel pipe is located at the welding
The upper port edge of Kong Zhong, the top edges of the outer layer pipe hollow-out parts and welding hole welds, outer layer pipe hollow-out parts it is following
The lower port edge of edge and welding hole welds, and the right side through crack groove of the welding hole causes inner layer steel pipe to connect with crack groove
Logical, the right side of the steel plate is provided with second flange disk；
The fracturing fracture analog module includes plane crack device and adpting flange, and the plane crack device level is divided towards the right side
Cloth, plane crack device are connected with the second flange disk of crack connector by adpting flange, adjacent plane crack device it
Between connected by adpting flange, the port of export of plane crack device is provided with flow valve and flowmeter.
2. a kind of simulation water horizontal well multistage sub-clustering fracturing propping agents shunting according to claim 1 and the experiment instrument of spread
Device, it is characterised in that：Also include liquids recovery and using module, the liquids recovery and having using module recycle tank,
Liquid collects pipeline and leak-off collects pipeline, and the port of export of plane crack device is connected with crack outlet connecting pipe, described
Crack outlet connecting pipe collects pipeline by liquid and is connected with the recycling tank, and filter is offered on the device of the plane crack
Eyelet is lost, the leak-off eyelet collects pipeline by leak-off and is connected with the recycling tank.
3. a kind of simulation water horizontal well multistage sub-clustering fracturing propping agents shunting according to claim 1 and the experiment instrument of spread
Device, it is characterised in that：The steel plate is welded by upper steel plate and lower steel plate are relative up and down, is provided with and is used in the crack groove
Adjust the regulation cushion block of fracture height.
4. a kind of simulation water horizontal well multistage sub-clustering fracturing propping agents shunting according to claim 3 and the experiment instrument of spread
Device, it is characterised in that：Plane crack device is assembled by poly (methyl methacrylate) plate, is provided with it for adjusting fracture height
Lucite pad.
5. a kind of simulation water horizontal well multistage sub-clustering fracturing propping agents shunting according to claim 4 and the experiment instrument of spread
Device, it is characterised in that：The liquid and mixed with proppants injection module include blending tank, proppant adding set and liquid note
Enter pump, the blending tank has clear water inlet, proppant inlet, recovery inlet and liquid outlet, the recovery note
Entrance is connected with recycling tank pipeline, and the proppant inlet is connected with proppant adding set pipeline, and the liquid is defeated
Outlet is connected with liquid infusion pump pipeline and flow valve and flowmeter is provided with pipeline, and the liquid infusion pump is penetrated with described
Casement is intended being provided with flow valve and flowmeter in the upper end pipeline connection and pipeline of pipe fitting.
6. a kind of shunting of simulation water horizontal well multistage sub-clustering fracturing propping agents and spread according to any one of claim 1-5
Laboratory apparatus, it is characterised in that：The perforation number of clusters of the preforation tunnel is designed as two to four clusters.
7. a kind of simulation water horizontal well multistage sub-clustering fracturing propping agents shunting according to claim 6 and the experiment instrument of spread
Device, it is characterised in that：The adpting flange leads to acting flange, threeway adpting flange and four-way adpting flange including two.
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| CN113790047A (en) * | 2021-09-06 | 2021-12-14 | 中国石油大学(北京) | Proppant wellbore migration experiment simulation system and simulation method thereof |
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| CN110952971A (en) * | 2019-12-03 | 2020-04-03 | 西南石油大学 | Flat plate and experimental device for simulating influence of even fluid loss of reservoir on proppant paving |
| CN113027409A (en) * | 2019-12-23 | 2021-06-25 | 中国石油天然气股份有限公司 | Experimental device for simulating proppant migration in horizontal well fracture network |
| CN111042809A (en) * | 2019-12-27 | 2020-04-21 | 中国石油集团川庆钻探工程有限公司 | Underground stratum complex fracture state and sand blocking simulation device and method |
| CN111042809B (en) * | 2019-12-27 | 2022-04-08 | 中国石油集团川庆钻探工程有限公司 | Underground stratum complex fracture state and sand blocking simulation device and method |
| CN113266328A (en) * | 2020-02-17 | 2021-08-17 | 中国石油天然气股份有限公司 | Method and device for evaluating fracturing effect of shale reservoir |
| CN111594129A (en) * | 2020-05-22 | 2020-08-28 | 西安石油大学 | Visual device for simulating migration rule of proppant in complex seam net |
| CN111811772A (en) * | 2020-06-17 | 2020-10-23 | 中国地质大学（武汉） | Multi-cluster perforation fracturing temporary plugging ball visual migration simulation experiment device |
| CN111577236A (en) * | 2020-07-03 | 2020-08-25 | 西南石油大学 | Multi-section fracturing seepage simulation device for compact oil reservoir horizontal well |
| CN112727424A (en) * | 2021-01-25 | 2021-04-30 | 中国石油大学(北京) | Shaft-fracture experiment system and method for simulating fracturing fluid injection |
| CN113790047A (en) * | 2021-09-06 | 2021-12-14 | 中国石油大学(北京) | Proppant wellbore migration experiment simulation system and simulation method thereof |
| CN115030703A (en) * | 2022-07-05 | 2022-09-09 | 长江大学 | Device and method for simulating horizontal well multistage clustering fracturing proppant distribution |
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