CN104533404A - Observable experiment equipment for simulating propping agent migration in complex fracture network - Google Patents
Observable experiment equipment for simulating propping agent migration in complex fracture network Download PDFInfo
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- CN104533404A CN104533404A CN201410745362.3A CN201410745362A CN104533404A CN 104533404 A CN104533404 A CN 104533404A CN 201410745362 A CN201410745362 A CN 201410745362A CN 104533404 A CN104533404 A CN 104533404A
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- 230000005012 migration Effects 0.000 title claims abstract description 39
- 238000013508 migration Methods 0.000 title claims abstract description 39
- 238000002474 experimental method Methods 0.000 title abstract description 6
- 239000012530 fluid Substances 0.000 claims abstract description 48
- 239000004576 sand Substances 0.000 claims abstract description 41
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 38
- 238000002156 mixing Methods 0.000 claims abstract description 36
- 238000004088 simulation Methods 0.000 claims description 70
- 238000002347 injection Methods 0.000 claims description 23
- 239000007924 injection Substances 0.000 claims description 23
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- 238000001802 infusion Methods 0.000 claims description 19
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 230000007246 mechanism Effects 0.000 abstract description 7
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- 206010017076 Fracture Diseases 0.000 description 114
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
- E21B43/267—Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
Abstract
The invention discloses observable experiment equipment for simulating propping agent migration in a complex fracture network. The observable experiment equipment comprises a fluid supply and sand mixing system, a pump casting system, a pipeline conveyance system, an observable fracture network system, a circulating fluid processing system, a data acquisition system and a control system, wherein the outlet of the fluid supply and sand mixing system is connected with the inlet of the pump casting system through the pipeline conveyance system, the outlet of the pump casting system is connected with the inlet of the observable fracture network system through the pipeline conveyance system, the outlet of the observable fracture network system is connected with the inlet of the circulating fluid processing system through the pipeline conveyance system, and the outlet of the circulating fluid processing system is connected with the inlet of the pump casting system through the pipeline conveyance system so that the data acquisition system for acquiring data is connected with the control system. According to the observable experiment equipment, the propping agent migration rule in the complex fracture network can be truly simulated so that the flow mechanism of the sliminess water fracturing propping agent is explored.
Description
Technical field
The present invention relates to a kind of analogue means, particularly relate to a kind of visual experimental apparatus for Simulation of Complex seam net inner support agent migration in hydraulic fracturing process.
Background technology
The low hole of shale reservoir, hypotonic, bedding, natural microcrack are grown, and are difficult to realize its Efficient Development with routine exploitation means.Horizontal well multistage fracturing technology can form complex fracture network, increase reservoir reconstruction volume, significantly promote gas well output and gas deposit recovery efficiency, especially shale reservoir slippery water fracturing technique, with features such as extensive, high discharge capacities, the more effective raising hydraulic fracture network complexity of energy, increases reservoir reconstruction volume (SRV).But complicated fracture network and slippery water prop-carrying capacity is low all brings tremendous influence to effective support of shale reservoir reconstruction fracture network, the serious Effective Reservoirs that reduces transforms volume (ESRV) and fracture condudtiviy.Therefore, research complicated seam net inner support agent migration rule, for the effective support realizing shale reservoir hydrfracturing complex fracture network, improves fracture condudtiviy and has great importance.
At present for crack inner support agent transported simulation testing arrangement, obviously there is following deficiency and shortcoming:
(1) impact of intrinsic fracture fracture inner support agent migration can not be simulated;
(2) impact of reservoir bedding crack fracture inner support agent migration can not be simulated;
(3) when can not simulate sub-clustering perforating and fracturing, the migration rule of crack inner support agent;
(4), in " batch production " fracturing process, the flow effect that the intersegmental interference between adjacent well is migrated for proppant can not be ignored, do not simulate this process just can not actual response many wells pressure break time proppant migration truth.
Summary of the invention
The object of the invention is to the problems referred to above overcoming prior art existence, provide a kind of Simulation of Complex to stitch the visual experimental apparatus of net inner support agent migration.The present invention can more real Simulation of Complex fracture network inner support agent migration rule, explore slippery water fracturing propping agents flow mechanism, adopt rational operational discharge capacity in order to instruct in shale reservoir hydrfracturing process, add sand model, improve Effective Reservoirs transformation volume (ESRV) and fracture condudtiviy.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of visual experimental apparatus of Simulation of Complex seam net inner support agent migration, it is characterized in that: comprise feed flow and mixing system, infusion system, pipeline transport system, visualized fracture network system, circulation fluid treatment system, data collecting system and control system, the outlet of feed flow and mixing system is connected by the entrance of pipeline transport system with infusion system, the outlet of infusion system is connected by the entrance of pipeline transport system with visualized fracture network system, visualized fracture network system outlet is connected by the entrance of pipeline transport system with circulation fluid treatment system, the outlet of circulation fluid treatment system is connected by the entrance of pipeline transport system with infusion system, data collecting system for image data is connected with control system.
Described visualized fracture network system comprises vertical major fracture and is connected crack, vertical major fracture is two that be arranged in parallel, connect crack to be arranged between two vertical major fractures and to be communicated with two vertical major fractures respectively, vertical major fracture is provided with simulation entrance and simulation exports.
Described connection crack comprises two horizontal bedding seam intrinsic fractures vertical with two, article two, vertical intrinsic fracture and two major fracture connection angles are respectively 90 ° and 45 °, article two, horizontal bedding seam intersects vertically with major fracture, and two horizontal beddings stitch vertical height difference.
Described vertical major fracture comprises two transparent plates arranged in parallel, both sides sealing, and two ends are set to simulation entrance and simulation outlet.
Described connection crack comprises two transparent plates arranged in parallel, and both sides sealing, two ends are communicated with vertical major fracture.
Described feed flow and mixing system comprise the mixing sand tank and auxiliary flow container that are arranged in parallel, infusion system comprises injection pump, the outlet of mixing sand tank, auxiliary flow container is connected with the entrance of injection pump respectively, inject delivery side of pump to be connected with simulation entrance, simulation outlet is connected with the entrance of circulation fluid treatment system, and the outlet of circulation fluid treatment system is connected with the entrance of mixing sand tank, auxiliary flow container respectively.
Described data collecting system comprises flow meter, digital display manometer and high frequency camera shooting machine, flow meter, digital display manometer, high frequency camera shooting machine are all connected with control system by data cable, flow meter is arranged on the pipeline between injection pump and visualized fracture network system, digital display manometer is connected with visualized fracture network system respectively with high frequency camera shooting machine, and high frequency camera shooting machine is for recording the situation of proppant in visualized fracture network system.
Described pipeline transport system comprises electromagnetic valve, inlet valve, emptying valve, outlet valve, circulation fluid valve and pipeline, on the pipeline that electromagnetic valve is arranged on mixing sand tank, auxiliary flow container is connected with injection pump, inlet valve is arranged on the pipeline between flow meter and visualized fracture network system, emptying valve to be connected to bottom major fracture and to be connected with control system, outlet valve is arranged on the pipeline between visualized fracture network system and circulation fluid treatment system, and circulation fluid valve is arranged on circulation fluid treatment system and mixing sand tank, the tank connected pipeline of auxiliary liquid.
Employing the invention has the advantages that:
One, the present invention compared with prior art, has following advantage: (1) can simulate the impact that intrinsic fracture is migrated on proppant; (2) dummy level bedding the impact that proppant is migrated can be stitched; (3) certain distance between offset well can be simulated, impact that individual well bunch spacing is migrated on proppant; (4) impact of the combination fracture inner support agent migration of different proppant concentration, operational discharge capacity and proppant and sand barrier distribution mode can be simulated.
Two, the principle of the invention is reliable, and test accurately, is convenient to observe, can be reflected shale reservoir large scale fracture network distribution mode more really.
Three, the present invention not only may be used for observing and connects crack to the impact of proppant migration rule, sand barrier distribution mode, sand barrier critical height concrete in different crack can also be obtained, the key parameters such as critical flow velocity, the customer service defect of such experimental evaluation technology existing, for research shale reservoir hydrfracturing fracture network inner support agent migration and the laid rule of sand barrier provide a kind of special equipment.
Four, in the present invention, major fracture and connecting sewing can adopt Flange joint, junction proppant migration visual inspection is guaranteed while ensureing sealing, major fracture and connecting sewing set different connection angles, position, to realize complicated fracture network distribution mode, the adjustment flowed to is imported and exported in simulation, stitches the simulation of net inner support agent migration process when realizing individual well/well group pressure break.
Five, the present invention is utilized, can Analysis of Complex fracture network inner support agent migration process and sand barrier distribution mode intuitively, study mechanism is carried out to unconventional shale reservoir slippery water pressure break, provides fundamental basis for shale gas Efficient Development and test support.
Six, the present invention is utilized, shale reservoir hydrfracturing fracture network inner support agent migration rule can be simulated more really, explore slippery water fracturing propping agents flow mechanism, adopt rational operational discharge capacity to instruct in shale reservoir hydrfracturing process, add sand model, improve Effective Reservoirs transformation volume (ESRV) and fracture condudtiviy.
To sum up, present invention achieves the experimental simulation that intrinsic fracture is migrated to proppant; Achieve horizontal bedding seam to the experimental simulation of proppant migration; Effectively solve certain distance between offset well, individual well bunch spacing to the experimental evaluation of proppant migration impact.
Accompanying drawing explanation
Fig. 1 is principle of the invention structural representation
Fig. 2 visualized fracture network system architecture schematic diagram
Fig. 3 visualized fracture network system top view
Be labeled as in figure: 1, mixing sand tank, 2, auxiliary flow container, 3, electromagnetic valve, 4, injection pump, 5, flow meter, 6, inlet valve, 7, digital display manometer, 8, visual Simulation form, 9, emptying valve, 10, outlet valve, 11, circulation fluid treating apparatus, 12, circulation fluid valve, 13, high frequency camera shooting machine, 14, computer, 15, first vertical major fracture, 16, second vertical major fracture, 17, first horizontal bedding seam, 18, second horizontal bedding seam, 19, first vertical intrinsic fracture, 20, second vertical intrinsic fracture, 21, first simulation entrance, 22, second simulation entrance, 23, first simulation outlet, 24, second simulation outlet, 25, Butterworth Hatch.
Detailed description of the invention
Embodiment 1
A kind of visual experimental apparatus of Simulation of Complex seam net inner support agent migration, comprise feed flow and mixing system, infusion system, pipeline transport system, visualized fracture network system, circulation fluid treatment system, data collecting system and control system, the outlet of feed flow and mixing system is connected by the entrance of pipeline transport system with infusion system, the outlet of infusion system is connected by the entrance of pipeline transport system with visualized fracture network system, visualized fracture network system outlet is connected by the entrance of pipeline transport system with circulation fluid treatment system, the outlet of circulation fluid treatment system is connected by the entrance of pipeline transport system with infusion system, data collecting system for image data is connected with control system.
Described visualized fracture network system comprises vertical major fracture and is connected crack, vertical major fracture is two (the vertical major fractures 16 of the first vertical major fracture 15, second) be arrangeding in parallel, connect crack to be arranged between two vertical major fractures and to be communicated with two vertical major fractures respectively, vertical major fracture is provided with simulation entrance and simulation exports.
Described connection crack comprises two horizontal bedding seams (the first horizontal bedding seam 17, second horizontal bedding seam 18) intrinsic fracture vertical with two (the vertical intrinsic fracture 20 of the first vertical intrinsic fracture 19, second), article two, vertical intrinsic fracture and two major fracture connection angles are respectively 90 ° and 45 °, article two, horizontal bedding seam intersects vertically with major fracture, and two horizontal beddings stitch vertical height difference.
Described vertical major fracture comprises two transparent plates arranged in parallel, both sides sealing, and two ends are set to simulation entrance and simulation outlet.
Described connection crack comprises two transparent plates arranged in parallel, and both sides sealing, two ends are communicated with vertical major fracture.
Described visualized fracture network system also comprises visual Simulation form 8, and crack is arranged in visual Simulation form 8.The entrance of visual Simulation form 8 is communicated with simulation entrance, outlet and the simulation outlet of visual Simulation form 8.
Described feed flow and mixing system comprise the mixing sand tank 1 and auxiliary flow container 2 that are arranged in parallel, infusion system comprises injection pump 4, the outlet of mixing sand tank 1, auxiliary flow container 2 is connected with the entrance of injection pump 4 respectively, the outlet of injection pump 4 is connected with simulation entrance, simulation outlet is connected with the entrance of circulation fluid treatment system, and the outlet of circulation fluid treatment system is connected with the entrance of mixing sand tank 1, auxiliary flow container 2 respectively.
Described data collecting system comprises flow meter 5, digital display manometer 7 and high frequency camera shooting machine 13, flow meter 5, digital display manometer 7, high frequency camera shooting machine 13 are all connected with control system by data cable, flow meter 5 is arranged on the pipeline between injection pump 4 and visualized fracture network system, digital display manometer 7 is connected with visualized fracture network system respectively with high frequency camera shooting machine 13, and high frequency camera shooting machine 13 is for recording the situation of proppant in visualized fracture network system.
Described pipeline transport system comprises electromagnetic valve 3, inlet valve 6, emptying valve 9, outlet valve 10, circulation fluid valve 12 and pipeline, electromagnetic valve 3 is arranged on mixing sand tank 1, on the pipeline that auxiliary flow container 2 is connected with injection pump 4, inlet valve 6 is arranged on the pipeline between flow meter 5 and visualized fracture network system, emptying valve 9 to be connected to bottom major fracture and to be connected with control system, outlet valve 10 is arranged on the pipeline between visualized fracture network system and circulation fluid treatment system, circulation fluid valve 12 is arranged on circulation fluid treatment system and mixing sand tank 1, on the pipeline that auxiliary flow container 2 connects.
The system mainly each equipment formed in the present invention and between the improvement made of annexation, software section adopts existing software.What be not described in detail adopts prior art as circulation fluid treatment system etc. is same.
Embodiment 2
A kind of complicated seam net inner support agent transported simulation experimental facilities, primarily of feed flow and mixing system, infusion system, pipeline transport system, visualized fracture network system, data collecting system, control system and circulation fluid treatment system composition.Wherein, visualized fracture network system is made up of 2 vertical major fractures, 4 connection cracks (2 vertical intrinsic fracture, 2 horizontal beddings are stitched), 4 simulation import and export and multiple cracks links, the flowing space that overall formation is airtight, each accessory feature is as follows:
1, by exchanging the position of the first simulation import 21 and the first simulation outlet 23, proppant flow dynamic simulated between, individual well intersegmental to many wells bunch is realized respectively;
2,2 vertical intrinsic fractures, 19,20 and two major fracture connection angles are respectively 90 ° and 45 °, realize angle fracture inner support agent migration impact between crack;
3, two horizontal bedding seams 17,18 and major fracture intersect vertically, and the two vertical height is different, realize diverse location horizontal bedding seam fracture inner support agent migration impact;
4,2 intrinsic fractures, 19,20 and 2 horizontal bedding seams 17,18 are made up of two boards block respectively, are convenient to dismounting, install, and by connecting fracture length adjustment, realize different certain distance, bunch spacing fracture inner support agent migration impact.
5, visualized fracture network system is assembled by poly (methyl methacrylate) plate, be convenient to direct vision, major fracture passes through Flange joint with being connected between crack, be convenient to dismounting, assembling, by major fracture and the dismounting, the combination that are connected crack, more complicated fracture network form can be formed, thus realize complex fracture network to proppant flowing migration impact.
6, the actual fracture network size of complex fracture network system physical dimension design reference Changning H3 platform, applies abnormal geometric similarity criterion, consistent to ensure flow velocity in the two seam, fluidised form.
In the present invention, described pipeline transport system, adopts Large Diameter Pipeline 65mm flexible pipe, avoids the reducing phenomenon in pipeline simultaneously, to ensure that discharge capacity is stablized, avoids pipeline blockage etc.
Embodiment 3
As shown in Figure 1, the visual experimental apparatus of Simulation of Complex seam net inner support agent migration, mainly comprises feed flow and mixing system (mixing sand tank 1, auxiliary flow container 2), infusion system (injection pump 4), pipeline transport system (electromagnetic valve 3, inlet valve 6, emptying valve 9, outlet valve 10, circulation fluid valve 12, pipeline), visualized fracture network system (visual Simulation form 8), circulation fluid treatment system (circulation fluid treating apparatus 11) data collecting system (flow meter 5, digital display manometer 7, high frequency camera shooting machine 13), control system (computer 14) composition; The outlet of mixing sand tank 1, auxiliary flow container 2 is connected with the entrance of injection pump 4, the outlet of injection pump 4 is connected with the entrance of visual Simulation form 8, the outlet of visual Simulation form 8 is connected with the entrance of circulation fluid treating apparatus 11, and the outlet of circulation fluid treating apparatus 11 is connected with the entrance of mixing sand tank 1, auxiliary flow container 2; Flow meter 5, digital display manometer 7, high frequency camera shooting machine 13 are all connected with computer 14 by data cable.
Wherein, two mixing sand tanks 1 are all equipped with sanding device, according to load fluid sand concentration necessary, realize quantitatively adding sand, are equipped with mixing plant, ensure that in tank, load fluid stirs, and is equipped with content gauge outside tank body, convenient observation pot liquid volume; Infusion discharge capacity during pressing crack construction actual in scene is at 10-15m
3/ min, ensure fluid similarity, the maximum infusion displacement requirements of injection pump 4 is 1.94m
3/ h, precision is 0.002m
3/ min, injection pump and feed line diameters 65mm match, and guarantee injection pump displacement constant.
As shown in Figure 2, visualized fracture network system comprises 2 vertical major fractures 15,16, and 4 connect crack (2 horizontal bedding seam 17,18,2 vertical intrinsic fractures 19,20) and 4 simulation import and export (simulation entrances 21,22; Simulation outlet 23,24); Crack is made by transparent resin glass, adopts iron and steel flange and sealing rubber ring to be tightly connected between crack, and major fracture bottom even is provided with 5 Butterworth Hatchs 25 simultaneously, and Butterworth Hatch diameter is 1cm, is convenient to raffinate cleaning; Article two, be provided with 4 emptying valves 9 and digital display manometer 7 bottom major fracture two ends, to monitor pressure in crack, prevent from during blocking in pipeline or seam, causing pressure to exceed seam plate compressive strength (in seam, compressive strength is 1.5MPa), the switch of emptying valve 9 adopts Based Intelligent Control, so that pressure release in the seam in Rapid Implementation superpressure early warning situation.Wherein, split Crack Monitoring result with reference to actual shale air pressure, according to similarity criterion, fracture network physical dimension is as follows:
Article 2, the length of vertical major fracture 15,16 be 4.2m, highly for 0.3m, stitch wide for 0.005m.
Article 2, the length of horizontal bedding seam 17,18 is 0.42m and 0.7m two kinds of specifications, width is 0.3m, seam is high is 0.004m, the distance of the first range simulation entrance 21 is 1.7m, the two is 90 ° with the angle of major fracture, the vertical height of the second horizontal bedding seam 18 is 0.15m, article 2, the vertical position of horizontal bedding seam 17,18 is different, and under can realizing differing heights, horizontal bedding seam is to the simulation of flowing.
The length of the first vertical intrinsic fracture 19 be 0.42m and 0.7m two kinds of specifications, highly for 0.3m, to stitch wide be 0.004m, the distance of the first range simulation outlet 23 is 1.7m, is 90 ° with the angle of major fracture; First vertical intrinsic fracture 20, the distance of distance first simulation outlet 23 is 1.2m, long for 0.594m and 0.99m two kinds of specifications, highly for 0.3m, to stitch wide be 0.004m, it is 45 ° with the angle of major fracture, the two is different from major fracture angle, can realize the impact that different angles intrinsic fracture is migrated on proppant; Article 4, connect crack 17,18,19,20 and all have two kinds of length specifications, adjustment length specification, to realize the impact of bunch spacing and certain distance.
Load fluid is injected by 2 simulation imports respectively, flows out from 2 simulation outlets, disturbs proppant flow dynamic simulated between when can realize individual well multistage fracturing bunch; Exchange the first simulation import 21 of the first vertical major fracture 15 and the position of the first simulation outlet 23, adjustment load fluid flow direction, the second vertical major fracture 16 flow direction is constant, can realize many wells pressure break inter-well interference to proppant flow dynamic simulated.
Utilize the present invention, can Analysis of Complex fracture network inner support agent migration process and sand barrier distribution mode intuitively, study mechanism is carried out, for shale gas Efficient Development is provided fundamental basis and technical support to the migration of shale gas slippery water fracturing propping agents.During concrete use, sand model difference is added according to slippery water pressure break, in mixing sand tank 1, prepare the load fluid of corresponding particle diameter and sand concentration, stir, in auxiliary tank 2, prepare slippery water flushing liquor, by injection pump, inject different slug successively according to adding sand model design, slippery water+proppant enters visualized fracture network system, finally flows into circulation fluid treating apparatus 11, filter proppant, liquid enters mixing system and recycles.In experimentation, the transport conditions of high frequency camera shooting machine record proppant in visualized fracture network system and the distribution mode of sand barrier, in order to analyze its flow mechanism.By experiment simulation simulation softward system, to obtain under different injection rate, proppant concentration, proppant particle diameter, liquid viscosity sand barrier spread DYNAMIC DISTRIBUTION feature in fracture network, by numerical simulation analysis means, set up fracture network inner support agent flow conductivity and equivalent permeability forecast model.
The present invention is comparatively directly perceived, handling safety, easy, forecasting research can be carried out to shale gas slippery water fracturing propping agents migration process and sand barrier distribution mode, sand Exploration on mechanism is taken to slippery water, adding sand model optimization provides experiment to support, for the Efficient Development of shale gas is provided fundamental basis.
Claims (8)
1. the visual experimental apparatus of a Simulation of Complex seam net inner support agent migration, it is characterized in that: comprise feed flow and mixing system, infusion system, pipeline transport system, visualized fracture network system, circulation fluid treatment system, data collecting system and control system, the outlet of feed flow and mixing system is connected by the entrance of pipeline transport system with infusion system, the outlet of infusion system is connected by the entrance of pipeline transport system with visualized fracture network system, visualized fracture network system outlet is connected by the entrance of pipeline transport system with circulation fluid treatment system, the outlet of circulation fluid treatment system is connected by the entrance of pipeline transport system with infusion system, data collecting system for image data is connected with control system.
2. the visual experimental apparatus of Simulation of Complex seam net inner support agent migration according to claim 1, it is characterized in that: described visualized fracture network system comprises vertical major fracture and is connected crack, vertical major fracture is two that be arranged in parallel, connect crack to be arranged between two vertical major fractures and to be communicated with two vertical major fractures respectively, vertical major fracture is provided with simulation entrance and simulation exports.
3. the visual experimental apparatus of Simulation of Complex seam net inner support agent migration according to claim 2, it is characterized in that: described connection crack comprises two horizontal bedding seam intrinsic fractures vertical with two, article two, vertical intrinsic fracture and two major fracture connection angles are respectively 90 ° and 45 °, article two, horizontal bedding seam intersects vertically with major fracture, and two horizontal beddings stitch vertical height difference.
4. the visual experimental apparatus of Simulation of Complex seam net inner support agent migration according to claim 3, it is characterized in that: described vertical major fracture comprises two transparent plates arranged in parallel, both sides sealing, two ends are set to simulation entrance and simulation outlet.
5. the visual experimental apparatus of Simulation of Complex seam net inner support agent migration according to claim 4, is characterized in that: described connection crack comprises two transparent plates arranged in parallel, and both sides sealing, two ends are communicated with vertical major fracture.
6. the visual experimental apparatus of Simulation of Complex seam net inner support agent migration according to claim 5, it is characterized in that: described feed flow and mixing system comprise the mixing sand tank (1) and auxiliary flow container (2) that are arranged in parallel, infusion system comprises injection pump (4), the outlet of mixing sand tank (1), auxiliary flow container (2) is connected with the entrance of injection pump (4) respectively, the outlet of injection pump (4) is connected with simulation entrance, simulation outlet is connected with the entrance of circulation fluid treatment system, and the outlet of circulation fluid treatment system is connected with the entrance of mixing sand tank (1), auxiliary flow container (2) respectively.
7. the visual experimental apparatus of Simulation of Complex seam net inner support agent migration according to claim 6, it is characterized in that: described data collecting system comprises flow meter (5), digital display manometer (7) and high frequency camera shooting machine (13), flow meter (5), digital display manometer (7), high frequency camera shooting machine (13) is all connected with control system by data cable, flow meter (5) is arranged on the pipeline between injection pump (4) and visualized fracture network system, digital display manometer (7) is connected with visualized fracture network system respectively with high frequency camera shooting machine (13), high frequency camera shooting machine (13) is for recording the situation of proppant in visualized fracture network system.
8. the visual experimental apparatus of Simulation of Complex seam net inner support agent migration according to claim 7, it is characterized in that: described pipeline transport system comprises electromagnetic valve (3), inlet valve (6), emptying valve (9), outlet valve (10), circulation fluid valve (12) and pipeline, electromagnetic valve (3) is arranged on mixing sand tank (1), on the pipeline that auxiliary flow container (2) is connected with injection pump (4), inlet valve (6) is arranged on the pipeline between flow meter (5) and visualized fracture network system, emptying valve (9) to be connected to bottom major fracture and to be connected with control system, outlet valve (10) is arranged on the pipeline between visualized fracture network system and circulation fluid treatment system, circulation fluid valve (12) is arranged on circulation fluid treatment system and mixing sand tank (1), on the pipeline that auxiliary flow container (2) connects.
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Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929618A (en) * | 2015-06-18 | 2015-09-23 | 西安石油大学 | Device for simulation study on migration of sand-carrying fracturing fluid in perforation channels |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590888A (en) * | 2012-02-20 | 2012-07-18 | 中国石油大学(华东) | Experimental device for simulating spreading of propping agent in crack and application thereof |
| CN202494617U (en) * | 2012-03-31 | 2012-10-17 | 中国石油天然气股份有限公司 | Sand carrying simulation experiment device for liquid in slot |
| CN103048431A (en) * | 2013-01-22 | 2013-04-17 | 河南理工大学 | Hydrofracture propping agent settlement and permeability testing device |
| CN203702118U (en) * | 2014-03-03 | 2014-07-09 | 中国石油化工股份有限公司 | Experimental device for simulating propping agent sedimentation and paving inside fracturing cracks |
| CN103993877A (en) * | 2014-05-14 | 2014-08-20 | 中国石油大学(华东) | Radial well fracture testing device |
| US20140290937A1 (en) * | 2013-03-27 | 2014-10-02 | Baker Hughes Incorporated | Shale fracture flow simulation apparatus |
-
2014
- 2014-12-09 CN CN201410745362.3A patent/CN104533404B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590888A (en) * | 2012-02-20 | 2012-07-18 | 中国石油大学(华东) | Experimental device for simulating spreading of propping agent in crack and application thereof |
| CN202494617U (en) * | 2012-03-31 | 2012-10-17 | 中国石油天然气股份有限公司 | Sand carrying simulation experiment device for liquid in slot |
| CN103048431A (en) * | 2013-01-22 | 2013-04-17 | 河南理工大学 | Hydrofracture propping agent settlement and permeability testing device |
| US20140290937A1 (en) * | 2013-03-27 | 2014-10-02 | Baker Hughes Incorporated | Shale fracture flow simulation apparatus |
| CN203702118U (en) * | 2014-03-03 | 2014-07-09 | 中国石油化工股份有限公司 | Experimental device for simulating propping agent sedimentation and paving inside fracturing cracks |
| CN103993877A (en) * | 2014-05-14 | 2014-08-20 | 中国石油大学(华东) | Radial well fracture testing device |
Cited By (41)
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