CN104975837A - Hydraulic fracture initiation vertical extension control simulation device - Google Patents
Hydraulic fracture initiation vertical extension control simulation device Download PDFInfo
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- CN104975837A CN104975837A CN201510408787.XA CN201510408787A CN104975837A CN 104975837 A CN104975837 A CN 104975837A CN 201510408787 A CN201510408787 A CN 201510408787A CN 104975837 A CN104975837 A CN 104975837A
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- 238000004088 simulation Methods 0.000 title claims abstract description 49
- 230000000977 initiatory effect Effects 0.000 title claims abstract description 28
- 239000000523 sample Substances 0.000 claims abstract description 57
- 238000002347 injection Methods 0.000 claims abstract description 52
- 239000007924 injection Substances 0.000 claims abstract description 52
- 239000002184 metal Substances 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 37
- 239000002775 capsule Substances 0.000 claims description 21
- 230000004308 accommodation Effects 0.000 claims description 11
- 230000033558 biomineral tissue development Effects 0.000 claims description 4
- 238000002474 experimental method Methods 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 abstract description 5
- 238000013480 data collection Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The present invention provides a hydraulic fracture initiation vertical extension control simulation device. The device comprises a fracture simulation experiment assembly having a receiving space, an experiment sample being arranged inside the receiving space; a pressure control assembly connected with the fracture simulation experiment assembly and capable of applying pressure to the experiment sample through the fracture simulation experiment assembly; a metal fluid injection tube arranged inside the experiment sample in the vertical direction; a plurality of electric conduction coils arranged inside the experiment sample in a spaced manner along an extension direction of the fluid injection tube; and a data collection assembly comprising a sensitive ampere meter group, the sensitive ampere meter group comprising a plurality of sensitive ampere meters, one probe of each sensitive ampere meter being electrically connected with the fluid injection tube while the other probe of each sensitive ampere meter being electrically connected with the corresponding electric conduction coil. With arrangement of the electric conduction coils and the correspondingly-connected sensitive ampere meters, internal fracture initiation and extension states can be monitored in real time by observing the sensitive ampere meters.
Description
Technical field
The present invention relates to fracture simulation device, specifically a kind of hydraulic fracture crack initiation longitudinal extension control simulation device.
Background technology
Along with the continuous progress of exploration and development technology, the emphasis of people's exploration and development is transferred to the unconventional energy resource such as shale gas, compact sandstone gas reservoir more and more, and the Complex Reservoir such as thin sand-mud interbed, bottom and edge water liquid occupies more importantly position day by day.Accordingly, fracturing technique plays an increasingly important role in oil-gas exploration and development, and each oil field and scientific research institutions constantly strengthen the research to man-made fracture crack initiation expansion mechanism.And stitch the important parameter that height is fracturing artificial slit, the understanding of opposite joint height expansion mechanism and extension state, be the importance improving fracturing reform effect.Current laboratory experiment analogy method mainly utilizes natural core or artificial rock core to carry out fracture simulation, after pressure break, observe fracture pattern.These methods can only obtain the final form in crack, experimental sample internal fissure crack initiation extended dynamic cannot be obtained in real time, make researcher clearly can not be familiar with real fracture initiation rule and expansion situation, constrain the research of fracture crack initiation mechanism and propagation law.
Summary of the invention
In order to overcome existing cannot clearly to the deficiency that man-made fracture crack initiation rule and extended dynamic are studied, the invention provides a kind of hydraulic fracture crack initiation longitudinal extension control simulation device, to reach the object be clearly familiar with real fracture initiation rule and expanded stake situation.
The technical solution adopted for the present invention to solve the technical problems is: a kind of hydraulic fracture crack initiation longitudinal extension control simulation device, and comprising: fracture simulation experiment package, has spatial accommodation, experimental sample is arranged in spatial accommodation; Pressure control assembly, is connected with fracture simulation experiment package, and pressure control assembly can apply pressure by fracture simulation experiment package to experimental sample; The liquid injection pipe of metal, is vertically arranged in experimental sample; Multiple conductive coil, the bearing of trend along liquid injection pipe is disposed in experimental sample; Data acquisition components, comprises sensitive ammeter group, and sensitive ammeter group contains multiple sensitive ammeter, and a probe of each sensitive ammeter is all electrically connected with liquid injection pipe, and another root probe of each sensitive ammeter is all electrically connected with corresponding conductive coil.
Further, liquid injection pipe comprises perforated section, the axis of each conductive coil all with the dead in line of liquid injection pipe, the internal diameter of conductive coil is greater than the external diameter of liquid injection pipe, multiple conductive coil comprises three the first coils and multiple second coil, the midpoint of perforated section is provided with first coil, and the two ends of perforated section are respectively provided with first coil, and multiple second coil is symmetrical arranged relative to the midpoint interval of perforated section.
Further, liquid injection pipe is positioned at the middle part of experimental sample, and this perforated section is positioned at the bottom of liquid injection pipe, and the top of this perforated section is provided with five the second coils, and the below of this perforated section is provided with five the second coils.
Sensitive ammeter group contains 13 sensitive ammeters, and three the first coils that another root probes of 13 sensitive ammeters is arranged with liquid injection pipe respectively and ten the second coil one_to_one corresponding are connected.
Further, the distance between every two adjacent second coils is 9.5mm to 10.5mm, and the first coil is identical with the radius of the second coil, and the radius of the first coil is 11mm to 13mm.
Further, fracture simulation experiment package comprises upper top cover, base plate and multiple side plate, and spatial accommodation is surrounded jointly by upper top cover, base plate and multiple side plate.
Further, fracture simulation experiment package also comprises multiple capsule, and multiple capsule is arranged at the inner side of multiple side plate and abuts with the sidewall of experimental sample, and fracture simulation experiment package can be poor at longitudinal mineralization pressure of experimental sample by multiple capsule.
Further, pressure control assembly comprises SERVO CONTROL injection pump and multiple confined pressure pump, and SERVO CONTROL injection pump is connected with liquid injection pipe, and each confined pressure pump is all corresponding with capsule to be connected.
Further, the connecting pipe between each confined pressure pump and corresponding capsule being all disposed with the pressure-control valve for adjusting confined pressure size, being used to indicate the confined pressure pump of confined pressure size and the atmospheric valve for unloading confined pressure.
Further, data acquisition components also comprises pressure data recorder, and pressure data recorder is electrically connected with SERVO CONTROL injection pump.
The invention has the beneficial effects as follows, by arranging the multiple sensitive ammeter that multiple conductive coil is connected with correspondence, the conduction situation of corresponding conductive coil can be observed by sensitive ammeter, and according to the conduction situation Real-Time Monitoring internal fissure crack initiation of conductive coil and extended dynamic, improve the understanding of researcher's fracture and propagation law.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the syndeton schematic diagram according to the embodiment of the present invention;
Fig. 2 is the structural representation according to the fracture simulation experiment package in the embodiment of the present invention;
Fig. 3 is the sectional view according to the experimental sample in the embodiment of the present invention;
Fig. 4 is the connection diagram according to the sensitive ammeter group in the embodiment of the present invention.
Reference numeral in figure: 10, fracture simulation experiment package; 11, upper top cover; 12, base plate; 13, side plate; 14, set bolt; 15, through hole; 20, pressure control assembly; 21, SERVO CONTROL injection pump; 22, confined pressure pump; 23, pressure-control valve; 24, pressure meter; 25, atmospheric valve; 30, liquid injection pipe; 40, conductive coil; 50, data acquisition components; 51, pressure data recorder; 52, sensitive ammeter group; 80, wire; 90, experimental sample.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in Figures 1 to 4, embodiments provide a kind of hydraulic fracture crack initiation longitudinal extension control simulation device, comprise fracture simulation experiment package 10, pressure control assembly 20, the liquid injection pipe 30 of metal, multiple conductive coil 40 and data acquisition components 50.Fracture simulation experiment package 10 has spatial accommodation, and experimental sample 90 is arranged in spatial accommodation.Pressure control assembly 20 is connected with fracture simulation experiment package 10, and pressure control assembly 20 can apply pressure by fracture simulation experiment package 10 to experimental sample 90.The liquid injection pipe 30 of metal is vertically arranged in experimental sample 90.Multiple conductive coil 40 is disposed in experimental sample 90 along the bearing of trend of liquid injection pipe 30; Data acquisition components 50 comprises sensitive ammeter group 52, sensitive ammeter group 52 is containing multiple sensitive ammeter, a probe of each sensitive ammeter is all electrically connected with liquid injection pipe 30, and another root probe of each sensitive ammeter is all electrically connected with corresponding conductive coil 40.
By arranging the multiple sensitive ammeter group 52 that multiple conductive coil 40 is connected with correspondence, the conduction situation of corresponding conductive coil 40 can be observed by sensitive ammeter group 52, and according to the conduction situation Real-Time Monitoring internal fissure crack initiation of conductive coil 40 and extended dynamic, improve the understanding of researcher's fracture and propagation law.
Particularly, fracture simulation experiment package 10 comprises upper top cover 11, base plate 12 and multiple side plate 13.Spatial accommodation is surrounded jointly by upper top cover 11, base plate 12 and multiple side plate 13.Above-mentioned experimental sample 90 is arranged on spatial accommodation inside.Above-mentioned upper top cover 11 and base plate 12 are provided with screwed hole and groove, and side plate 13 correspondence is placed in groove, and is fixedly connected with base plate 12 with upper top cover 11 by set bolt 14.Upper top cover 11 being provided with through hole 15, for allowing the connecting line of liquid injection pipe 30 to pass, needing according to line the through hole that varying number also can be set at side plate 13 and base plate 12 correspondence position.
Fracture simulation experiment package 10 also comprises 7 capsules and supports iron block, and 7 capsules are arranged at the inner side of 7 side plates 13 and abut with the sidewall of experimental sample 90, and fracture simulation experiment package 10 can be poor at longitudinal mineralization pressure of experimental sample 90 by 7 capsules.The quantity supporting iron block is identical with the quantity of above-mentioned capsule, and supports iron block for supporting above-mentioned 7 capsules.
Above-mentioned 7 capsules are set, can in the side of experimental sample 90 simulation major principal stress, minimum principal stress, arranges above-mentioned capsule respectively at the position, upper, middle and lower, side of experimental sample 90, can be poor at longitudinal mineralization pressure of experimental sample 90.
Above-mentioned pressure control assembly 20 comprises SERVO CONTROL injection pump 21 and 7 confined pressure pumps 22, and SERVO CONTROL injection pump 21 is connected with liquid injection pipe 30, for injecting simulation fracturing fluid in experimental sample 90, to realize fracturing experimental sample 90.Each confined pressure pump 22 is all corresponding with the capsule mouth of a capsule to be connected, and for applying maximum horizontal stress to experimental sample 90, minimum level stress and vertical stress, with simulated formation stress state.
Further, the connecting pipe between each confined pressure pump 22 and corresponding capsule being all disposed with the pressure-control valve 23 for adjusting confined pressure size, being used to indicate the pressure meter 24 of confined pressure size and the atmospheric valve 25 for unloading confined pressure.Above-mentioned pressure-control valve 23, pressure meter 24 and atmospheric valve 25 are 7.
Data acquisition components 50 also comprises pressure data recorder 51, and pressure data recorder 51 is electrically connected with SERVO CONTROL injection pump 21, for real time record eyelet pressure size and Changing Pattern.
As shown in Figure 3, liquid injection pipe 30 in the embodiment of the present invention comprises perforated section, the axis of each conductive coil 40 all with the dead in line of liquid injection pipe 30, and the internal diameter of conductive coil 40 is greater than the external diameter of liquid injection pipe 30, multiple conductive coil 40 comprises three the first coils and multiple second coil, the midpoint of perforated section is provided with first coil, and the two ends of perforated section are respectively provided with first coil, and multiple second coil is symmetrical arranged relative to the midpoint interval of perforated section.
Further, the distance between every two adjacent second coils is 9.5mm to 10.5mm, and the first coil is identical with the radius of the second coil, and the radius of the first coil is 11mm to 13mm.
The first coil in the embodiment of the present invention is identical with the structure of the second coil, and the radius of the first coil and the second coil is 12mm, above-mentioned second coil is 10,5 the second coils are positioned at the top 50mm scope of perforated section, 5 the second coils are positioned at the below 50mm scope of perforated section, and interval 10mm between every two adjacent second coils.Above-mentioned first coil and the second coil are parallel connection, be connected to the outside of experimental sample 90 and arrange corresponding connecting terminal by wire 80.Probe on multiple sensitive electric current in above-mentioned sensitive ammeter group connects with corresponding contact.When the fracture propagation in experimental sample 90 is to corresponding conductive coil 40 place, make conductive coil 40 conducting of this position, corresponding sensitive ammeter pointer deflects, therefore, by the throw of pointer of the sensitive ammeter of different conductive coil 40 correspondence, the position at place, crack can be determined.
Preferably, above-mentioned experimental sample adopts 300mm*300mm*300mm cement to build shaping, and in casting process, by external diameter 20mm, the liquid injection pipe 30 of internal diameter 8mm, long 140mm is bonded to the pit shaft as simulation cover apertured completion in the centre bore of experimental sample 90.The perforated section of above-mentioned liquid injection pipe 30 is positioned at the bottom of liquid injection pipe 30,40mm bottom perforated section, eyelet 20, and aperture is 2mm.
As shown in Figure 4, sensitive ammeter group in the embodiment of the present invention 52 is containing 13 sensitive ammeters, and three the first coils that another root probes of this 13 sensitive ammeters is arranged with liquid injection pipe respectively and ten the second coils connect one to one.When testing, directly observing ammeter and whether deflecting, according to deflection situation, judging downward-extension situation on crack.
When hydraulic fracture crack initiation longitudinal extension control simulation device in the application embodiment of the present invention works, first need experimentally to require preparation experiment sample 90.Then the experimental sample 90 made is placed in the spatial accommodation of fracture simulation experiment package 10, builds upper top cover 11 and fixed side 13 and base plate 12.
Secondly, utilize high pressure line to connect seven capsules and corresponding confined pressure pump 22 respectively, and on pipeline setting pressure meter pressure control valve 23, pressure meter 24 and atmospheric valve 25.High pressure line connects liquid injection pipe 30 and SERVO CONTROL injection pump 21, is connected on SERVO CONTROL injection pump 21 by pressure data recorder 51 meanwhile.Above-mentioned wire 80 connects the termination of conductive coil 40, sensitive ammeter group 52 and liquid injection pipe 30 respectively, makes sensitive ammeter group 52 form parallel connection.
Again, starting pressure data logger 51 and sensitive ammeter group 52, close atmospheric valve 25, starts confined pressure pump 22 and adjust pressure-control valve 23, respectively maximum horizontal principal stress, minimum horizontal principal stress and vertical stress being adjusted to experiment desirable value.Now, start SERVO CONTROL injection pump 21, in experimental sample 90, inject simulation fracturing fluid, gradually fracturing experimental sample 90 with given pace, utilize pressure data recorder 51 register hole borehole pressure size and Changing Pattern simultaneously, utilize sensitive ammeter group record fracture height spread scenarios.
Finally, after fracture propagation to the end of experimental sample 90, close above-mentioned instrument, and take out experimental sample 90, observe the final form in crack of Taking Pictures recording experimental sample 90.
From above description, can find out, the above embodiments of the present invention achieve following technique effect: by arranging the multiple sensitive ammeter that multiple conductive coil is connected with correspondence, the conduction situation of corresponding conductive coil can be observed by sensitive ammeter, and according to the conduction situation Real-Time Monitoring internal fissure crack initiation of conductive coil and extended dynamic, improve the understanding of researcher's fracture and propagation law.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a hydraulic fracture crack initiation longitudinal extension control simulation device, is characterized in that, comprising:
Fracture simulation experiment package (10), has spatial accommodation, and experimental sample (90) is arranged in spatial accommodation;
Pressure control assembly (20), is connected with fracture simulation experiment package (10), and pressure control assembly (20) can apply pressure by fracture simulation experiment package (10) to experimental sample (90);
The liquid injection pipe (30) of metal, is vertically arranged in experimental sample (90);
Multiple conductive coil (40), the bearing of trend along liquid injection pipe (30) is disposed in experimental sample (90);
Data acquisition components (50), comprise sensitive ammeter group (52), sensitive ammeter group (52) is containing multiple sensitive ammeter, a probe of each described sensitive ammeter is all electrically connected with liquid injection pipe (30), and another root probe of each described sensitive ammeter is all electrically connected with corresponding conductive coil (40).
2. hydraulic fracture crack initiation longitudinal extension control simulation device according to claim 1, it is characterized in that, liquid injection pipe (30) comprises perforated section, the axis of each conductive coil (40) all with the dead in line of liquid injection pipe (30), the internal diameter of conductive coil (40) is greater than the external diameter of liquid injection pipe (30), multiple conductive coil (40) comprises three the first coils and multiple second coil, the midpoint of described perforated section is provided with described first coil, the two ends of described perforated section are respectively provided with described first coil, described multiple second coil is symmetrical arranged relative to the midpoint interval of described perforated section.
3. hydraulic fracture crack initiation longitudinal extension control simulation device according to claim 2, it is characterized in that, liquid injection pipe (30) is positioned at the middle part of experimental sample (90), this perforated section is positioned at the bottom of liquid injection pipe (30), the top of this perforated section is provided with five the second coils, and the below of this perforated section is provided with five the second coils.
4. hydraulic fracture crack initiation longitudinal extension control simulation device according to claim 3, it is characterized in that, sensitive ammeter group (52) is containing 13 sensitive ammeters, and three the first coils that another root probes of described 13 sensitive ammeters is arranged with liquid injection pipe (30) respectively and ten the second coil one_to_one corresponding are connected.
5. hydraulic fracture crack initiation longitudinal extension control simulation device according to claim 2, it is characterized in that, distance between every two adjacent described second coils is 9.5mm to 10.5mm, described first coil is identical with the radius of described second coil, and the radius of described first coil is 11mm to 13mm.
6. hydraulic fracture crack initiation longitudinal extension control simulation device according to any one of claim 1 to 5, it is characterized in that, fracture simulation experiment package (10) comprises upper top cover (11), base plate (12) and multiple side plate (13), and described spatial accommodation is surrounded jointly by upper top cover (11), base plate (12) and multiple side plate (13).
7. hydraulic fracture crack initiation longitudinal extension control simulation device according to claim 6, it is characterized in that, fracture simulation experiment package (10) also comprises multiple capsule, described multiple capsule is arranged at the inner side of multiple side plate (13) and abuts with the sidewall of experimental sample (90), and fracture simulation experiment package (10) can be poor at longitudinal mineralization pressure of experimental sample (90) by described multiple capsule.
8. hydraulic fracture crack initiation longitudinal extension control simulation device according to claim 7, it is characterized in that, pressure control assembly (20) comprises SERVO CONTROL injection pump (21) and multiple confined pressure pump (22), SERVO CONTROL injection pump (21) is connected with liquid injection pipe (30), and each confined pressure pump (22) is all corresponding with capsule to be connected.
9. hydraulic fracture crack initiation longitudinal extension control simulation device according to claim 8, it is characterized in that, the connecting pipe between each confined pressure pump (22) and corresponding capsule being all disposed with the pressure-control valve (23) for adjusting confined pressure size, being used to indicate the pressure meter (24) of confined pressure size and the atmospheric valve (25) for unloading confined pressure.
10. hydraulic fracture crack initiation longitudinal extension control simulation device according to claim 8, it is characterized in that, data acquisition components (50) also comprises pressure data recorder (51), and pressure data recorder (51) is electrically connected with SERVO CONTROL injection pump (21).
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| CN201510408787.XA CN104975837A (en) | 2015-07-13 | 2015-07-13 | Hydraulic fracture initiation vertical extension control simulation device |
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| CN201510408787.XA CN104975837A (en) | 2015-07-13 | 2015-07-13 | Hydraulic fracture initiation vertical extension control simulation device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105445424A (en) * | 2015-11-25 | 2016-03-30 | 中国石油大学(华东) | Hydraulic fracture network analog device |
| CN106321069A (en) * | 2016-10-31 | 2017-01-11 | 中国石油大学(北京) | Method for testing laboratory simulation stratum rock delay fracture |
| CN107219127A (en) * | 2017-06-28 | 2017-09-29 | 中国地质调查局油气资源调查中心 | Use for laboratory visualizes hydraulic fracturing physical simulating device and method |
| CN107575203A (en) * | 2017-10-12 | 2018-01-12 | 中国石油大学(北京) | It is a kind of can real-time monitored fracture pattern loose sand hydraulic fracturing analogue means |
| CN108894764A (en) * | 2018-07-11 | 2018-11-27 | 中国石油大学(北京) | Visualize two-dimentional hydraulic fracture imitative experimental appliance |
| CN109209326A (en) * | 2018-10-10 | 2019-01-15 | 清华大学 | A kind of hydrofracturing physical simulation experiment device and experimental method |
| CN109374495A (en) * | 2018-10-18 | 2019-02-22 | 西南石油大学 | A kind of shale forces the experiment test device and method of imbibition ability |
| CN110469308A (en) * | 2019-08-07 | 2019-11-19 | 北京九恒质信能源技术有限公司 | In a kind of straight well seam temporarily stall to fracturing experiments method |
| CN110924933A (en) * | 2019-11-18 | 2020-03-27 | 中国石油集团川庆钻探工程有限公司 | Visual experiment method for dynamically simulating shale fracturing fracture network |
| CN110984942A (en) * | 2019-11-18 | 2020-04-10 | 中国石油集团川庆钻探工程有限公司 | Visual experimental apparatus of dynamic simulation shale fracturing fracture net |
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| CN106321069A (en) * | 2016-10-31 | 2017-01-11 | 中国石油大学(北京) | Method for testing laboratory simulation stratum rock delay fracture |
| CN107219127A (en) * | 2017-06-28 | 2017-09-29 | 中国地质调查局油气资源调查中心 | Use for laboratory visualizes hydraulic fracturing physical simulating device and method |
| CN107575203B (en) * | 2017-10-12 | 2019-09-24 | 中国石油大学(北京) | A kind of loose sand hydraulic fracturing simulator that can observe fracture pattern in real time |
| CN107575203A (en) * | 2017-10-12 | 2018-01-12 | 中国石油大学(北京) | It is a kind of can real-time monitored fracture pattern loose sand hydraulic fracturing analogue means |
| CN108894764A (en) * | 2018-07-11 | 2018-11-27 | 中国石油大学(北京) | Visualize two-dimentional hydraulic fracture imitative experimental appliance |
| CN109209326A (en) * | 2018-10-10 | 2019-01-15 | 清华大学 | A kind of hydrofracturing physical simulation experiment device and experimental method |
| CN109374495A (en) * | 2018-10-18 | 2019-02-22 | 西南石油大学 | A kind of shale forces the experiment test device and method of imbibition ability |
| CN109374495B (en) * | 2018-10-18 | 2020-03-31 | 西南石油大学 | Experimental test device and method for forced permeability of shale |
| CN110469308A (en) * | 2019-08-07 | 2019-11-19 | 北京九恒质信能源技术有限公司 | In a kind of straight well seam temporarily stall to fracturing experiments method |
| CN110924933A (en) * | 2019-11-18 | 2020-03-27 | 中国石油集团川庆钻探工程有限公司 | Visual experiment method for dynamically simulating shale fracturing fracture network |
| CN110984942A (en) * | 2019-11-18 | 2020-04-10 | 中国石油集团川庆钻探工程有限公司 | Visual experimental apparatus of dynamic simulation shale fracturing fracture net |
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Application publication date: 20151014 |