CN209400451U - The determination system of hydraulically created fracture form - Google Patents
The determination system of hydraulically created fracture form Download PDFInfo
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- CN209400451U CN209400451U CN201821687515.3U CN201821687515U CN209400451U CN 209400451 U CN209400451 U CN 209400451U CN 201821687515 U CN201821687515 U CN 201821687515U CN 209400451 U CN209400451 U CN 209400451U
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Abstract
This application discloses a kind of determination system of hydraulically created fracture form, which includes: nuclear magnetic resonance apparatus, vacuum sealing chamber.Wherein, vacuum sealing chamber, for keeping rock sample after placing pressure break therein fully saturated by white oil.Nuclear magnetic resonance apparatus, for detecting the fracture pattern of rock sample after the pressure break fully saturated by white oil.With this system, it is detected by nuclear magnetic resonance apparatus by rock sample after the fully saturated pressure break of white oil, the region containing white oil is shown in Magnetic resonance imaging result, represent after pressure break the position of macrocrack and/or microcrack in rock sample, to obtain the fracture pattern that sample is formed after pressure break, mechanism is extended for research hydraulically created fracture and quantitative assessment hydraulically created fracture complexity is laid a good foundation.
Description
Technical field
This application involves in oil-gas field development Fracturing more particularly to a kind of hydraulically created fracture form
Determination system.
Background technique
Hydraulic fracturing renovation technique is the important technical for realizing the exploitation of unconventional oil and gas field economical and efficient.Hydraulic fracturing
It is exactly that there is the fracturing fluid of viscosity higher by pit shaft to oil reservoir squeezing using ground high-pressure pump.When the speed of injection fracturing fluid
More than oil reservoir absorbability when, then very high pressure is formed on the oil reservoir of shaft bottom, when this pressure be more than shaft bottom near oil reservoir
When the fracture pressure of rock, oil reservoir will be pressed off and generate crack.At this moment, fracturing fluid, crack on and on are squeezed to oil reservoir
It will continue to oil reservoir interior expansion.In order to keep the crack pressed off to be in open configuration, then squeeze into oil reservoir with support
The load fluid of agent (usual quartz sand), load fluid enter after crack, crack on the one hand can be made to continue to extend forward, another party
Face can support the crack pressed off, it is made to be not to be closed.Followed by injection displacement fluid, the load fluid of pit shaft is all pushed up
For crack is entered, fracture support is got up with quartz sand.Finally, injection high viscosity fracturing fluid can degrade automatically be discharged pit shaft it
Outside, one or more length not equal crack is left in oil reservoir, makes to set up a new stream between oil reservoir and pit shaft
Body channel.After pressure break, oil gas well yield can generally increase substantially.
Become the important component of global Oil Gas production recently as unconventional petroleum resources, it is necessary to differently
The crack that matter condition and the construction of stress condition fracturing generate carries out mechanism Journal of Sex Research.In laboratory conditions, hydraulic fracturing mould
Draft experiment can be with simulation oil field hydraulic fracturing process, and rock sample generates macrocrack and micro- after hydraulic fracturing simulated experiment
Crack.It is particularly important for fully realizing fracturing transformation effect that fracture shape carries out accurate description.
Currently, determining that the method for fracturing fracture form mainly uses the methods of acoustic emission monitor(ing), CT scan in laboratory.Its
In, it in existing method one, then identifies that sonic data is analyzed by sound wave, focal mechanism is carried out to effective acoustic emission signal
Analysis and clustering obtain extensional fracture and shearing crack space distribution rule.In existing method two, by CT scanner and
Pressurizing device in situ, according to axial compression amount corresponding under real-time pressure data, different pressures and corresponding three-dimensional data
Image detects the fracture development form of given the test agent.As it can be seen that the prior art cannot accurately describe hydraulically created fracture
Spatial shape, and cannot show pressure break formation microfissure.Meanwhile for larger-size rock sample, due to currently examining
The limitation of instrument size is surveyed, fracture pattern is analyzed after the prior art can not carry out pressure break to it.
Utility model content
In view of this, the embodiment of the present application provides a kind of determination system and method for hydraulically created fracture form, it is used to
The fracture pattern of rock sample after accurate positioning pressure break, to extend mechanism and quantitative assessment waterpower for research hydraulically created fracture
Fracturing fracture complexity is laid a good foundation.
Therefore, in a first aspect, the embodiment of the present application provides a kind of determination system of hydraulically created fracture form, comprising:
Nuclear magnetic resonance apparatus, vacuum sealing chamber；Wherein,
The vacuum sealing chamber, for keeping rock sample after placing pressure break therein fully saturated by white oil；
The nuclear magnetic resonance apparatus, for detecting the crack shape of rock sample after the pressure break fully saturated by white oil
State.
In one possible implementation, in above system provided by the embodiments of the present application, the vacuum sealing chamber, packet
It includes: vacuum pump, sealing room and oil pump；
The vacuum pump is connected to the sealing room by tracheae, and the oil pump is connected to the sealing room by oil pipe；
The vacuum pump is used for sealing room vacuum state；
The oil pump, for the sealing interior injection white oil to the state that is evacuated.
In one possible implementation, in above system provided by the embodiments of the present application, the vacuum sealing chamber, also
It include: the first valve；
First valve is arranged on the sealing room, and connect with the tracheae；
The vacuum pump is connect by first valve with the sealing room.
In one possible implementation, in above system provided by the embodiments of the present application, the vacuum sealing chamber, also
It include: the second valve；
Second valve is arranged on the sealing room, and connect with the oil pipe；
The oil pump is connect by second valve with the sealing room.
In one possible implementation, in above system provided by the embodiments of the present application, the vacuum pump, comprising:
Vacuum meter；
The vacuum meter is mounted on first valve upper end；
The vacuum meter, for showing the indoor air pressure of sealing.
In one possible implementation, in above system provided by the embodiments of the present application, the oil pump, comprising: oil
Press table；
The oil pressure gauge is mounted on second valve upper end；
The oil pressure gauge, for showing oil pressure when the indoor injection white oil of sealing to the state that is evacuated.
In one possible implementation, in above system provided by the embodiments of the present application, the nuclear magnetic resonance apparatus,
It include: nuclear magnetic resonance spectrometer, magnet and probe；Wherein,
The nuclear magnetic resonance spectrometer is electrically connected with the magnet；
The probe is mounted on the magnet towards rock sample side after the pressure break fully saturated by white oil；
The magnet and probe, for generating magnetic resonance detection signal, to detect the pressure fully saturated by white oil
Rear rock sample is split, corresponding nmr echo signal is obtained, and is sent to the nuclear magnetic resonance spectrometer；
The nuclear magnetic resonance spectrometer, for receiving the nmr echo signal, to generate corresponding nuclear magnetic resoance spectrum.
In one possible implementation, in above system provided by the embodiments of the present application, the magnet includes first
Magnet and the second magnet；
Rock tries after first magnet and second magnet are respectively arranged at the pressure break fully saturated by white oil
Sample two sides.
In one possible implementation, in above system provided by the embodiments of the present application, the quantity of the probe is
It is multiple, and first magnet and second magnet are symmetrically mounted on towards rock after the pressure break fully saturated by white oil
The side of stone sample.
In one possible implementation, in above system provided by the embodiments of the present application, the system, further includes:
Computer；
The computer is connect with the nuclear magnetic resonance spectrometer, to obtain the nuclear magnetic resoance spectrum, and generates the nuclear-magnetism
The corresponding image of resonance spectrum.
Second aspect, the embodiment of the present application provide a kind of determination method of hydraulically created fracture form, comprising:
Rock sample after pressure break is placed in vacuum sealing room；
White oil is injected into the vacuum sealing room, so that rock sample is complete by white oil after placing the pressure break therein
Saturation；
Rock sample after the pressure break fully saturated by white oil is put into nuclear magnetic resonance apparatus and is detected, to obtain
The fracture pattern of rock sample after the pressure break fully saturated by white oil.
In one possible implementation, in the above method provided by the embodiments of the present application, the vacuum sealing chamber, packet
It includes: vacuum pump, sealing room and oil pump；
It is described rock sample after pressure break is placed in vacuum sealing room before, further includes:
Using vacuum pump by sealing room vacuum state, to obtain the vacuum sealing chamber.
In one possible implementation, described close to the vacuum in the above method provided by the embodiments of the present application
Indoor injection white oil is sealed to specifically include so that rock sample is fully saturated by white oil after placing the pressure break therein:
Using oil pump and according to preset oil pressure, white oil is injected in Xiang Suoshu vacuum sealing room, so as to place institute therein
Rock sample is fully saturated by white oil after stating pressure break.
In one possible implementation, in the above method provided by the embodiments of the present application, the nuclear magnetic resonance apparatus packet
It includes: nuclear magnetic resonance spectrometer, magnet and probe；
Described rock sample after the pressure break fully saturated by white oil is put into nuclear magnetic resonance apparatus is detected, with
The fracture pattern for obtaining rock sample after the pressure break fully saturated by white oil, specifically includes:
The magnet and probe generate magnetic resonance detection signal, to detect rock after the pressure break fully saturated by white oil
Stone sample obtains corresponding nmr echo signal, and is sent to the nuclear magnetic resonance spectrometer；
The nuclear magnetic resonance spectrometer receives the nmr echo signal, to generate corresponding nuclear magnetic resoance spectrum.
In one possible implementation, in the above method provided by the embodiments of the present application, it is described by described by white oil
Rock sample is put into after fully saturated pressure break detected in nuclear magnetic resonance apparatus after, further includes:
Computer obtains the nuclear magnetic resoance spectrum, and generates the corresponding image of the nuclear magnetic resoance spectrum.
The determination system and method for hydraulically created fracture form provided by the embodiments of the present application, the system include: that nuclear-magnetism is total
Vibration Meter device, vacuum sealing chamber.Wherein, vacuum sealing chamber, for keeping rock sample after placing pressure break therein completely full by white oil
With.Nuclear magnetic resonance apparatus, for detecting the fracture pattern of rock sample after the pressure break fully saturated by white oil.It is with this
System is shown in Magnetic resonance imaging result by nuclear magnetic resonance apparatus detection by rock sample after the fully saturated pressure break of white oil
Region containing white oil represents after pressure break the position of macrocrack and/or microcrack in rock sample, to obtain sample after pressure break
The fracture pattern of formation extends mechanism for research hydraulically created fracture and quantitative assessment hydraulically created fracture complexity is established
Basis.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the application
Some embodiments be also possible to obtain other drawings based on these drawings for those of ordinary skill in the art.
Fig. 1 is the structural schematic diagram of the determination system for the hydraulically created fracture form that the embodiment of the present application one provides；
Fig. 2 is the structure of vacuum sealing chamber in the determination system for the hydraulically created fracture form that the embodiment of the present application two provides
Schematic diagram；
Fig. 3 is the knot of nuclear magnetic resonance apparatus in the determination system for the hydraulically created fracture form that the embodiment of the present application two provides
Structure schematic diagram；
Fig. 4 is the flow diagram of the determination method for the hydraulically created fracture form that the embodiment of the present application three provides.
Appended drawing reference:
110- nuclear magnetic resonance apparatus；120- vacuum sealing chamber；130- computer；
121- seals room；122- vacuum pump；123- oil pump；
The first valve of 124-；The second valve of 125-；126- vacuum meter；
127- oil pressure gauge；111- nuclear magnetic resonance spectrometer；112- magnet；
113- probe；The first magnet of 114-；The second magnet of 115-.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.Every other reality obtained based on the embodiment in the application
Example is applied, shall fall in the protection scope of this application.
For convenience of explanation, the size for the different layer and region that zoomed in or out, so size as shown in the figure and ratio
Actual size might not be represented, does not also reflect the proportionate relationship of size.
Embodiment one
Fig. 1 is the structural schematic diagram of the determination system for the hydraulically created fracture form that the embodiment of the present application one provides, such as Fig. 1
Shown, which includes:
Nuclear magnetic resonance apparatus 110, vacuum sealing chamber 120.Wherein,
Vacuum sealing chamber 120, for keeping rock sample after placing pressure break therein fully saturated by white oil.
Nuclear magnetic resonance apparatus 110, for detecting by the fracture pattern of rock sample after the fully saturated pressure break of white oil.
Specifically, vacuum sealing chamber 120 can be by the sealing room of vacuum pump vacuum state, be also possible to pass through it
Its method can be allowed to form the sealing room of vacuum state, by injecting white oil to vacuum sealing chamber 120 with certain pressure, can make
Rock sample is fully saturated by white oil after placing pressure break therein.Nuclear magnetic resonance apparatus 110 can make above-mentioned completely full by white oil
White oil after the pressure break of sum in rock sample generates nuclear magnetic resonance, and can recycle nmr echo signal, white to detect
The fracture pattern of rock sample after the fully saturated pressure break of oil is explained at this, without limitation.
In practical application, before the test is conducted, need to carry out hydraulic fracturing physical analogy to collected rock sample
Experiment, to obtain rock sample after pressure break.The rock sample size can be 80mm × 80mm × 100mm cuboid.So
Rock sample after pressure break is placed in vacuum sealing chamber 120 afterwards, with certain pressure (such as 2MPa, continue 30 minutes) to vacuum
It seals and injects white oil in room 120, until rock sample is fully saturated by white oil after pressure break, in order to ensure rock sample quilt after pressure break
White oil is fully saturated, cannot there is bubble in the white oil of injection, i.e., macrocrack all in rock sample after guarantee pressure break and
Fully saturated white oil in microcrack.Rock sample takes out out of vacuum sealing chamber 120 after the pressure break of white oil will be saturated, and dries its table
Face, and put it into nuclear magnetic resonance apparatus 110, it detects using nmr imaging technique by after the fully saturated pressure break of white oil
The distribution of white oil in rock sample, to symbolize after pressure break the position of all slits and form in rock sample.
The determination system of hydraulically created fracture form provided in this embodiment, comprising: nuclear magnetic resonance apparatus, vacuum sealing
Room.Wherein, vacuum sealing chamber, for keeping rock sample after placing pressure break therein fully saturated by white oil.Nuclear magnetic resonance apparatus,
For detecting the fracture pattern of rock sample after the pressure break fully saturated by white oil.With this system, pass through nuclear magnetic resonance
Instrument detection shows the region containing white oil, generation by rock sample after the fully saturated pressure break of white oil in Magnetic resonance imaging result
Gauge pressure splits the position of macrocrack and/or microcrack in rear rock sample, so that the fracture pattern that sample is formed after pressure break is obtained,
Mechanism is extended for research hydraulically created fracture and quantitative assessment hydraulically created fracture complexity is laid a good foundation.
Embodiment two
Fig. 2 is the structure of vacuum sealing chamber in the determination system for the hydraulically created fracture form that the embodiment of the present application two provides
Schematic diagram, on the basis of example 1, vacuum sealing chamber 120 may include: vacuum pump 122, sealing room 121 and oil pump
123。
Vacuum pump 122 is connected to sealing room 121 by tracheae, and oil pump 123 is connected to sealing room 121 by oil pipe.
Vacuum pump 122, for 121 vacuum state of room will to be sealed.
Oil pump 123, for injecting white oil in the sealing room 121 to the state that is evacuated.
Specifically, before rock sample is placed in vacuum sealing chamber 120 after by pressure break, first with vacuum pump 122
121 vacuum state of room will be sealed, then rock sample after pressure break will be put into the sealing room 121 for the state of being evacuated,
Oil pump 123 is recycled to inject white oil into sealing room 121 with certain pressure (such as 2MPa, continue 30 minutes), so as to place it
In pressure break after rock sample it is fully saturated by white oil.
In a kind of preferred embodiment, vacuum sealing chamber 120, further includes: the first valve 124.
The setting of first valve 124 is connect on sealing room 121 with tracheae.
Vacuum pump 122 is connect by the first valve 124 with sealing room 121.
Specifically, the connection and closing between sealing room 121 and vacuum pump 122 be can control by the first valve 124.
In a kind of preferred embodiment, vacuum sealing chamber 120, further includes: the second valve 125.
The setting of second valve 125 is connect on sealing room 121 with oil pipe.
Oil pump 123 is connect by the second valve with sealing room 121.
Specifically, the connection and closing between sealing room 121 and oil pump 123 be can control by the second valve 125.
In a kind of preferred embodiment, vacuum pump 122, comprising: vacuum meter 126.
Vacuum meter 126 is mounted on 124 upper end of the first valve.
Vacuum meter 126, for showing the air pressure in sealing room 121.
Specifically, during vacuumizing using 122 pairs of sealing rooms 121 of vacuum pump, it is real-time to can use vacuum meter 126
Air pressure in display sealing room 121 can close the first valve 124 and stop when the reading of vacuum meter 126 reaches -0.1MPa
Vacuum pump 122.
In a kind of preferred embodiment, oil pump 123, comprising: oil pressure gauge 127.
Oil pressure gauge 127 is mounted on 125 upper end of the second valve.
Oil pressure gauge 127, for showing oil pressure when injecting white oil into the sealing room 121 for the state that is evacuated.
Specifically, it when injecting white oil in using sealing room 121 of the oil pump 123 to the state that is evacuated, can use
Oil pressure gauge 127 shows injection oil pressure, if currently injection oil pressure does not meet default oil pressure (such as 2MPa), can adjust oil in time
The injection oil pressure of pump 123, so that oil pump 123 is with default oil pressure and preset time into the sealing room 121 for the state that is evacuated
White oil is injected, after reaching preset time (continuing 30 minutes), the second valve 125 is closed and stops oil pump 123.
Fig. 3 is the knot of nuclear magnetic resonance apparatus in the determination system for the hydraulically created fracture form that the embodiment of the present application two provides
Structure schematic diagram, on the basis of example 1, nuclear magnetic resonance apparatus 110 may include: nuclear magnetic resonance spectrometer 111, magnet 112
And probe 113.Wherein,
Nuclear magnetic resonance spectrometer 111 is electrically connected with magnet 112.
Probe 113 is mounted on magnet 112 towards by rock sample side after the fully saturated pressure break of white oil.
Magnet 112 and probe 113, for generating magnetic resonance detection signal, to detect the pressure break fully saturated by white oil
Rock sample afterwards obtains corresponding nmr echo signal, and is sent to nuclear magnetic resonance spectrometer 111.
Nuclear magnetic resonance spectrometer 111, for receiving nmr echo signal, to generate corresponding nuclear magnetic resoance spectrum.
Specifically, nuclear magnetic resonance apparatus 110 is put it into after rock sample after obtaining the pressure break fully saturated by white oil
In, probe 113 is mounted on magnet 112 towards by rock sample side after the fully saturated pressure break of white oil, so that the nuclear-magnetism generated
Resonance detection signal is detected to by rock sample after the fully saturated pressure break of white oil, and obtains corresponding nuclear magnetic resonance echo
Signal, and be sent to nuclear magnetic resonance spectrometer 111, the nmr echo signal based on the received of nuclear magnetic resonance spectrometer 111, generates phase
The nuclear magnetic resoance spectrum answered.
In a kind of preferred embodiment, as shown in figure 3, magnet 112 includes the first magnet 114 and the second magnet 115.
First magnet 114 and the second magnet 115 are respectively arranged at by rock sample two sides after the fully saturated pressure break of white oil.
The quantity of probe 113 is multiple, and is symmetrically mounted on the first magnet 114 and the second magnet 115 towards by white oil
The side of rock sample after fully saturated pressure break.
In present embodiment, the nuclear-magnetism formed by the first magnet 114 and the second magnet 115 and multiple probes 113 is total
Vibration region can will be covered by rock sample after the fully saturated pressure break of white oil, keep testing result more accurate, and can root
Change the size of the first magnet 114 and the second magnet 115 and the quantity of probe 113 according to actual conditions, to various sizes of quilt
Rock sample is detected after the fully saturated pressure break of white oil.
In a kind of preferred preferred embodiment, as shown in figure 3, in the system further include: computer 130.
Computer 130 is connect with nuclear magnetic resonance spectrometer 111, and to obtain nuclear magnetic resoance spectrum, and it is corresponding to generate nuclear magnetic resoance spectrum
Image.
In the determination system of hydraulically created fracture form provided in this embodiment, vacuum sealing chamber, comprising: vacuum pump, close
Seal room, oil pump, the first valve and the second valve.Wherein, vacuum pump includes vacuum meter.Oil pump includes oil pressure gauge.Nuclear Magnetic Resonance
Device includes: nuclear magnetic resonance spectrometer, magnet and probe.With this system, more accurately detected by nuclear magnetic resonance apparatus white
Rock sample after the fully saturated pressure break of oil shows the region containing white oil in more accurate Magnetic resonance imaging result, represents
After pressure break in rock sample macrocrack and/or microcrack position, to obtain what sample after more accurate pressure break was formed
Fracture pattern extends mechanism for research hydraulically created fracture and quantitative assessment hydraulically created fracture complexity is laid a good foundation.
Embodiment three
Fig. 4 is the flow diagram of the determination method for the hydraulically created fracture form that the embodiment of the present application three provides, such as Fig. 4
It is shown, this method comprises:
Rock sample after pressure break is placed in vacuum sealing room by step 401.
White oil is injected in step 402, Xiang Suoshu vacuum sealing room, so as to place rock sample quilt after the pressure break therein
White oil is fully saturated.
Rock sample after the pressure break fully saturated by white oil is put into nuclear magnetic resonance apparatus and examines by step 403
It surveys, to obtain the fracture pattern of rock sample after the pressure break fully saturated by white oil.
Preferably, the vacuum sealing chamber, comprising: vacuum pump, sealing room and oil pump.
Correspondingly, before rock sample is placed in vacuum sealing room after above-mentioned steps 401 are by pressure break, further includes:
Step 400, using vacuum pump by sealing room vacuum state, to obtain the vacuum sealing chamber.
Preferably, above-mentioned steps 402 inject white oil into the vacuum sealing room, so that after placing the pressure break therein
Rock sample is fully saturated by white oil, specifically includes:
Using oil pump and according to preset oil pressure, white oil is injected in Xiang Suoshu vacuum sealing room, so as to place institute therein
Rock sample is fully saturated by white oil after stating pressure break.
Preferably, above-mentioned nuclear magnetic resonance apparatus includes: nuclear magnetic resonance spectrometer, magnet and probe.
Correspondingly, rock sample after the pressure break fully saturated by white oil is put into Nuclear Magnetic Resonance by above-mentioned steps 403
It is detected in device, to obtain the fracture pattern of rock sample after the pressure break fully saturated by white oil, is specifically included:
Magnet and probe generate magnetic resonance detection signal, to detect by rock sample after the fully saturated pressure break of white oil,
Corresponding nmr echo signal is obtained, and is sent to nuclear magnetic resonance spectrometer.
Nuclear magnetic resonance spectrometer receives the nmr echo signal, to generate corresponding nuclear magnetic resoance spectrum.
Preferably, rock sample after the pressure break fully saturated by white oil is put into nuclear magnetic resonance in above-mentioned steps 403
After being detected in instrument, further includes:
Computer obtains nuclear magnetic resoance spectrum, and generates the corresponding image of nuclear magnetic resoance spectrum.
Rock sample after pressure break is placed in vacuum sealing by the determination method of hydraulically created fracture form provided in this embodiment
White oil is injected into vacuum sealing room in interior, so that rock sample is fully saturated by white oil after placing pressure break therein, it will be white
Rock sample, which is put into nuclear magnetic resonance apparatus, after the fully saturated pressure break of oil is detected, to obtain the pressure fully saturated by white oil
Split the fracture pattern of rear rock sample.In the present solution, being detected by nuclear magnetic resonance apparatus by rock after the fully saturated pressure break of white oil
Stone sample shows the region containing white oil in Magnetic resonance imaging result, represents after pressure break in rock sample macrocrack and/or micro-
The position in crack, it is hereby achieved that after pressure break sample formed fracture pattern, for research hydraulically created fracture extend mechanism and
Quantitative assessment hydraulically created fracture complexity is laid a good foundation.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the application, rather than its limitations；To the greatest extent
Pipe is described in detail the application referring to foregoing embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, each embodiment technology of the application that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of determination system of hydraulically created fracture form characterized by comprising
Nuclear magnetic resonance apparatus, vacuum sealing chamber；Wherein,
The vacuum sealing chamber, for keeping rock sample after placing pressure break therein fully saturated by white oil；
The nuclear magnetic resonance apparatus, for detecting the fracture pattern of rock sample after the pressure break fully saturated by white oil.
2. system according to claim 1, which is characterized in that the vacuum sealing chamber, comprising: vacuum pump, sealing room and
Oil pump；
The vacuum pump is connected to the sealing room by tracheae, and the oil pump is connected to the sealing room by oil pipe；
The vacuum pump is used for sealing room vacuum state；
The oil pump, for the sealing interior injection white oil to the state that is evacuated.
3. system according to claim 2, which is characterized in that the vacuum sealing chamber, further includes: the first valve；
First valve is arranged on the sealing room, and connect with the tracheae；
The vacuum pump is connect by first valve with the sealing room.
4. system according to claim 2, which is characterized in that the vacuum sealing chamber, further includes: the second valve；
Second valve is arranged on the sealing room, and connect with the oil pipe；
The oil pump is connect by second valve with the sealing room.
5. system according to claim 3, which is characterized in that the vacuum pump, comprising: vacuum meter；
The vacuum meter is mounted on first valve upper end；
The vacuum meter, for showing the indoor air pressure of sealing.
6. system according to claim 4, which is characterized in that the oil pump, comprising: oil pressure gauge；
The oil pressure gauge is mounted on second valve upper end；
The oil pressure gauge, for showing oil pressure when the indoor injection white oil of sealing to the state that is evacuated.
7. system according to claim 1, which is characterized in that the nuclear magnetic resonance apparatus, comprising: nuclear magnetic resonance spectrometer,
Magnet and probe；Wherein,
The nuclear magnetic resonance spectrometer is electrically connected with the magnet；
The probe is mounted on the magnet towards rock sample side after the pressure break fully saturated by white oil；
The magnet and probe, for generating magnetic resonance detection signal, after detecting the pressure break fully saturated by white oil
Rock sample obtains corresponding nmr echo signal, and is sent to the nuclear magnetic resonance spectrometer；
The nuclear magnetic resonance spectrometer, for receiving the nmr echo signal, to generate corresponding nuclear magnetic resoance spectrum.
8. system according to claim 7, which is characterized in that the magnet includes the first magnet and the second magnet；
First magnet and second magnet are respectively arranged at rock sample two after the pressure break fully saturated by white oil
Side.
9. system according to claim 8, which is characterized in that the quantity of the probe is multiple, and is symmetrically mounted on
The side of first magnet and second magnet towards rock sample after the pressure break fully saturated by white oil.
10. according to the described in any item systems of claim 7-9, which is characterized in that the system, further includes: computer；
The computer is connect with the nuclear magnetic resonance spectrometer, to obtain the nuclear magnetic resoance spectrum, and generates the nuclear magnetic resonance
Compose corresponding image.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821687515.3U CN209400451U (en) | 2018-10-18 | 2018-10-18 | The determination system of hydraulically created fracture form |
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|---|---|---|---|
| CN201821687515.3U CN209400451U (en) | 2018-10-18 | 2018-10-18 | The determination system of hydraulically created fracture form |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211958A (en) * | 2018-10-18 | 2019-01-15 | 中国石油大学(北京) | The determination system and method for hydraulically created fracture form |
| US11579326B2 (en) | 2021-03-10 | 2023-02-14 | Saudi Arabian Oil Company | Nuclear magnetic resonance method quantifying fractures in unconventional source rocks |
-
2018
- 2018-10-18 CN CN201821687515.3U patent/CN209400451U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211958A (en) * | 2018-10-18 | 2019-01-15 | 中国石油大学(北京) | The determination system and method for hydraulically created fracture form |
| US11579326B2 (en) | 2021-03-10 | 2023-02-14 | Saudi Arabian Oil Company | Nuclear magnetic resonance method quantifying fractures in unconventional source rocks |
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