CN108819215A - Unconventional petrophysical model 3D printing method and apparatus in high precision - Google Patents
Unconventional petrophysical model 3D printing method and apparatus in high precision Download PDFInfo
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- CN108819215A CN108819215A CN201810496606.7A CN201810496606A CN108819215A CN 108819215 A CN108819215 A CN 108819215A CN 201810496606 A CN201810496606 A CN 201810496606A CN 108819215 A CN108819215 A CN 108819215A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/001—Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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Abstract
The present invention provides a kind of unconventional petrophysical model 3D printing method and apparatus of high-precision, including：Determine the pore structure and porosity of rock core to be printed；The model to be printed of the rock core to be printed is constructed according to the pore structure and porosity；Determine the mineral composition ingredient and mineral ratio of the rock core to be printed, and the material to be printed of the rock core to be printed according to the mineral composition ingredient and mineral ratio-dependent；By the mode input 3D printer to be printed, so that the 3D printer obtains the corresponding core model of the rock core to be printed using model to be printed described in the file printing to be printed.Since at least one core model printed by 3D printer and the rock core to be printed are completely the same, therefore, it is capable of the geophysical parameters information on exact representation stratum to be developed by every geophysical parameters information that core model measurement obtains, and then improves petroleum natural gas exploration efficiency.
Description
Technical field
The present invention relates to petroleum exploration field more particularly to a kind of unconventional petrophysical model 3D printing methods of high-precision and dress
It sets.
Background technique
In natural petroleum gas field field, in order to guarantee the efficiency of natural petroleum gas field, it is necessary first to obtain to be developed
The rock core on stratum, in laboratory, the rock core to the stratum to be developed carries out multiple experiment, the stratum to be developed that measurement is obtained
Geophysical parameters information of the every experimental result of rock core as the stratum to be developed.
In the prior art, in order to realize the measurement to formation core to be developed, need to acquire the natural rock on stratum to be developed
The heart measures.
But since often there is little bit differents between different natural cores, therefore, it is difficult to get completely the same
Two natural cores.Since natural core has differences, carries out Physical Experiment and inevitably natural core is damaged, to lead
Cause the geophysical parameters INFORMATION OF INCOMPLETE obtained according to two pieces of inconsistent natural core measurements of same layer position consistent, to subsequent
Natural petroleum gas field work make troubles.
Summary of the invention
The present invention provides a kind of unconventional petrophysical model 3D printing method and apparatus of high-precision, for solving in the prior art
Since two natural cores of acquisition have differences and lead to the subsequent geophysical parameters obtained according to the natural core measurement
Information can not truly characterize the true earth physical parameter information on stratum to be developed, and work to subsequent natural petroleum gas field
The technical issues of making troubles.
The first aspect of the invention is to provide a kind of unconventional petrophysical model 3D printing method of high-precision, including：
Determine the pore structure and porosity of rock core to be printed；
The model to be printed of the rock core to be printed is constructed according to the pore structure and porosity；
Determine the mineral composition ingredient and mineral ratio of the rock core to be printed, and according to the mineral composition ingredient with
And the material to be printed of rock core to be printed described in mineral ratio-dependent；
By the mode input 3D printer to be printed, so that the 3D printer uses the file printing institute to be printed
Model to be printed is stated, the corresponding core model of the rock core to be printed is obtained.
Another aspect of the present invention is to provide a kind of unconventional petrophysical model 3D printing device of high-precision, including：
Determining module, for determining the pore structure and porosity of rock core to be printed；
Model construction module to be printed, for constructing the rock core to be printed according to the pore structure and porosity
Model to be printed；
Material determining module to be printed, for determining the mineral composition ingredient and mineral ratio of the rock core to be printed,
And the material to be printed of the rock core to be printed according to the mineral composition ingredient and mineral ratio-dependent；
Print module, for will the mode input 3D printer to be printed so that the 3D printer using described in
Printed material prints the model to be printed, obtains the corresponding core model of the rock core to be printed.
The unconventional petrophysical model 3D printing method and apparatus of high-precision provided by the invention, passes through determination rock core to be printed
Pore structure and porosity and the model to be printed that rock core to be printed is constructed according to the pore structure and porosity, determine to
The mineral composition ingredient and mineral ratio of rock core are printed, and according to mineral composition ingredient and mineral ratio-dependent rock to be printed
The material to be printed of the heart, by mode input 3D printer to be printed, so that 3D printer is to be printed using file printing to be printed
Model obtains the corresponding core model of rock core to be printed, due at least one core model for being printed by 3D printer with
The natural core to be printed is completely the same.It therefore, can by the geophysical parameters information that core model measurement obtains
The true earth physical parameter information on stratum to be developed is characterized, truly so as to improve the efficiency of natural petroleum gas field.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, 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 present invention
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 flow diagram for the unconventional petrophysical model 3D printing method of high-precision that the embodiment of the present invention one provides；
Fig. 2 is the flow diagram for the unconventional petrophysical model 3D printing method of high-precision that inventive embodiments two provide；
Fig. 3 is the flow diagram for the unconventional petrophysical model 3D printing method of high-precision that inventive embodiments three provide；
Fig. 4 is the flow diagram for the unconventional petrophysical model 3D printing method of high-precision that inventive embodiments four provide；
Fig. 5 is the flow diagram for the unconventional petrophysical model 3D printing method of high-precision that inventive embodiments five provide；
Fig. 6 is the structural schematic diagram for the unconventional petrophysical model 3D printing device of high-precision that the embodiment of the present invention six provides；
Fig. 7 is the structural schematic diagram for the unconventional petrophysical model 3D printing device of high-precision that inventive embodiments seven provide；
Fig. 8 is the structural schematic diagram for the unconventional petrophysical model 3D printing device of high-precision that inventive embodiments eight provide；
Fig. 9 is the structural schematic diagram for the unconventional petrophysical model 3D printing device of high-precision that inventive embodiments nine provide；
Figure 10 is the structural schematic diagram for the unconventional petrophysical model 3D printing device of high-precision that inventive embodiments ten provide.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Every other reality obtained based on the embodiments of the present invention
Example is applied, shall fall within the protection scope of the present invention.
Fig. 1 is the flow diagram for the unconventional petrophysical model 3D printing method of high-precision that the embodiment of the present invention one provides,
As shown in Figure 1, the method includes：
Step 101, the pore structure and porosity for determining rock core to be printed.
Under normal circumstances, 3D printer is provided with different " printed materials " such as all kinds of mineral, cement, can receive meter
The model to be printed that calculation machine is sent, and the model to be printed is printed by preset difference printed materials, so as to realize pair
The 3D three-dimensional printing of object to be printed, therefore, in order to realize the printing to rock core to be printed, it is necessary first to construct rock core to be printed
Corresponding model to be printed.Since the collected natural core of Different Strata is often there is little bit different, in order to construct
With the core model of rock core striking resemblances to be printed, it is necessary first to determine the pore structure and porosity of rock core to be printed.Specifically
Ground can realize the pore structure to rock core to be printed by way of the pore structure and porosity of any available rock core
With the acquisition of porosity, this is not restricted by the present invention.It should be noted that rock core to be printed can be unconventional rock core,
It can be conventional core, this is not restricted by the present invention.
Step 102, the model to be printed that the rock core to be printed is constructed according to the pore structure and porosity.
It in the present embodiment, can be according to this wait beat after getting the pore structure and porosity of rock core to be printed
The pore structure and porosity that print rock core establish the model to be printed of rock core to be printed by computer, which can
Characterize the mechanical property of the rock core to be printed.
Step 103, the mineral composition ingredient and mineral ratio for determining the rock core to be printed, and according to the mineral group
At the material to be printed of rock core to be printed described in ingredient and mineral ratio-dependent.
In the present embodiment, since 3D printer is typically all to be realized by the printed material of itself carrying to be printed
The printing of model, therefore, it is also desirable to determine the mineral composition ingredient and mineral ratio of current rock core to be printed, and according to mineral
Constituent and mineral ratio-dependent are currently to be added to the material to be printed in 3D printer.Specifically, it can use and appoint
Anticipate a kind of mineral composition ingredient of available determining rock core and the method for mineral ratio realize mineral composition to rock core at
Point and mineral ratio measurement, the present invention this is not restricted.
Step 104, by the mode input 3D printer to be printed so that the 3D printer uses the material to be printed
Material prints the model to be printed, obtains the corresponding core model of the rock core to be printed.
In the present embodiment, it establishes after the model to be printed of rock core to be printed and determination material to be printed, can incite somebody to action
The model to be printed is added in 3D printer, can be to be printed according to this after 3D printer receives the model to be printed
The material to be printed that model carries itself stacks up from level to level, finally obtains the corresponding core model of rock core to be printed.
It should be noted that since model to be printed is established according to the pore structure and porosity of rock core to be printed,
Material to be printed is the mineral composition ingredient and mineral ratio-dependent according to rock core to be printed, therefore, because printing
Core model pore structure, porosity mineral composition ingredient and mineral ratio with natural core to be printed complete one
Cause, so as to guarantee the core model printed mechanical property and wetability also with natural core to be printed it is complete
Unanimously.Moreover, the property of each core model printed by 3D printer is also completely the same, therefore, beaten using 3D
Core model that print machine prints carries out subsequent experiment, the geophysical parameters information measured can truly characterize to
Develop the true earth physical parameter information on stratum.Further, since model to be printed is the hole according to natural core to be printed
What structure and porosity were established, material to be printed is true according to the mineral composition ingredient and mineral ratio of natural core to be printed
Fixed, therefore, the petrophysical model of arbitrary shape can be printed by 3D printer, to also be able to achieve to unconventional petrophysical model
Foundation.
The unconventional petrophysical model 3D printing method of high-precision provided in this embodiment, passes through the hole of determination rock core to be printed
Structure and porosity and the model to be printed that rock core to be printed is constructed according to the pore structure and porosity, determine to be printed
The mineral composition ingredient and mineral ratio of rock core, and according to mineral composition ingredient and mineral ratio-dependent rock core to be printed
Material to be printed, by mode input 3D printer to be printed, so that 3D printer uses file printing to be printed model to be printed,
The corresponding core model of rock core to be printed is obtained, due at least one core model complete one printed by 3D printer
It causes, therefore, the true of stratum to be developed can truly be characterized by the geophysical parameters information that core model measurement obtains
Real earth physical parameter information, so as to improve the efficiency of natural petroleum gas field.
Fig. 2 is the flow diagram for the unconventional petrophysical model 3D printing method of high-precision that inventive embodiments two provide, such as
Shown in Fig. 2, on the basis of the above embodiments, the method also includes：
Step 201 scans the rock core to be printed by digital cores technology, determines the hole knot of the rock core to be printed
Structure and porosity.
In the present embodiment, specifically rock core to be printed can be scanned by digital cores technology, so that it is determined that be printed
The pore structure and porosity of rock core.The basic principle of digital cores technology is based on two-dimensional scanning sem image or three dimensional CT
Scan image completes digital cores reconstruct by certain algorithm, so as to accurately with computer image processing technology
Obtain the pore structure and porosity of rock core to be printed.
Step 202, the model to be printed that the rock core to be printed is constructed according to the pore structure and porosity.
Step 203, the mineral composition ingredient and mineral ratio for determining the rock core to be printed, and according to the mineral group
At the material to be printed of rock core to be printed described in ingredient and mineral ratio-dependent.
Step 204, by the mode input 3D printer to be printed so that the 3D printer uses the material to be printed
Material prints the model to be printed, obtains the corresponding core model of the rock core to be printed.
The unconventional petrophysical model 3D printing method of high-precision provided in this embodiment is determined by digital cores technology wait beat
The pore structure and porosity of rock core are printed, to construct for the subsequent pore structure and porosity obtained according to measurement wait beat
Stamp type provides the foundation, and then provides the foundation to can be improved the efficiency of natural petroleum gas field.
Fig. 3 is the flow diagram for the unconventional petrophysical model 3D printing method of high-precision that inventive embodiments three provide, such as
Shown in Fig. 3, based on any of the above embodiments, the method also includes：
Step 301, the pore structure and porosity for determining rock core to be printed.
Step 302, the model to be printed that the rock core to be printed is constructed according to the pore structure and porosity.
Step 303, the mineral composition and mineral ratio that the rock core to be printed is determined by QEMSCAN method, and root
According to the material to be printed of rock core to be printed described in the mineral composition ingredient and mineral ratio-dependent.
Step 304, by the mode input 3D printer to be printed so that the 3D printer uses the material to be printed
Material prints the model to be printed, obtains the corresponding core model of the rock core to be printed.
In the present embodiment, the pore structure and porosity of rock core to be printed are got, and according to rock core to be printed
After pore structure and porosity construct the model to be printed of rock core to be printed, it can be determined by QEMSCAN method wait beat
The mineral composition and mineral ratio of rock core are printed, specifically, QEMSCAN is a kind of comprehensive automation Mineralogy And Petrology detection method
Referred to as, full name is Quantitative Evaluation of Minerals by SCANning electron
Microscopy, i.e. scanning electron microscope Mineral Quantitative evaluation.This detection method can to mineral, rock, synthetic material into
Row quantitative analysis.QEMSCAN can be by the high-power electron beam that accelerates along preset raster scan pattern to sample surfaces
It is scanned, and obtains the coloured picture of the embedding cloth feature of mineral aggregate.Instrument can issue X-ray energy spectrum and in each measurement point
Provide the information of constituent content.So as to accurately get the mineral composition and mineral ratio of rock core to be printed.Root
According to the mineral composition and the material to be printed of mineral ratio-dependent rock core to be printed.The model to be printed is added to 3D printing
In machine, after 3D printer receives the model to be printed, the material to be printed that can be carried itself according to the model to be printed
Material stacks up from level to level, finally obtains the corresponding core model of rock core to be printed.
The unconventional petrophysical model 3D printing method of high-precision provided in this embodiment, can be accurate by QEMSCAN method
Ground obtains the mineral composition ingredient and mineral ratio of rock core to be printed, is the subsequent mineral group according to rock core to be printed therefore
It provides the foundation at the material to be printed of ingredient and mineral ratio-dependent rock core to be printed, and then natural to can be improved petroleum
The efficiency of gas exploitation provides the foundation.
Fig. 4 is the flow diagram for the unconventional petrophysical model 3D printing method of high-precision that inventive embodiments four provide, such as
Shown in Fig. 4, based on any of the above embodiments, the method also includes：
Step 401, the pore structure and porosity for determining rock core to be printed.
Step 402, the structure that the rock core to be printed is simulated according to the pore structure and porosity, and will it is described to
Print to be printed model of the structure of rock core as the rock core to be printed.
Step 403, the mineral composition ingredient and mineral ratio for determining the rock core to be printed, and according to the mineral group
At the material to be printed of rock core to be printed described in ingredient and mineral ratio-dependent.
Step 404, by the mode input 3D printer to be printed so that the 3D printer uses the material to be printed
Material prints the model to be printed, obtains the corresponding core model of the rock core to be printed.
In the present embodiment, in order to construct the artificial core model completely the same with natural core to be printed, it is necessary first to
The pore structure and porosity for determining rock core to be printed pass through the pore structure and porosity result of computer simulation particle packing
And computer simulation sedimentation as a result, according to required porosity forward modeling establish stratigraphic model as rock to be printed
The corresponding core model of the heart, the core model can characterize the mechanical property of rock core to be printed.Determine the mineral of rock core to be printed
Constituent and mineral ratio, and the rock core to be printed according to the mineral composition ingredient and mineral ratio-dependent to
Printed material.The model to be printed is added in 3D printer, after 3D printer receives the model to be printed, Ke Yigen
It stacks up from level to level according to the material to be printed that the model to be printed carries itself, finally obtains the corresponding rock of rock core to be printed
Heart model.
The unconventional petrophysical model 3D printing method of high-precision provided in this embodiment, by according to the pore structure and
Porosity simulates the structure of the rock core to be printed, and using the structure of the rock core to be printed as the rock core to be printed to
Printer model, mechanical property and the rock core to be printed so as to guarantee model to be printed are completely the same, therefore, using this wait beat
The core model that stamp type prints can be consistent with rock core to be printed, is joined by the geophysics that core model measurement obtains
Number information can truly characterize the true earth physical parameter information on stratum to be developed, and then can be improved petroleum gas and open
The efficiency of hair.
Fig. 5 is the flow diagram for the unconventional petrophysical model 3D printing method of high-precision that inventive embodiments five provide, such as
Shown in Fig. 5, based on any of the above embodiments, the method also includes：
Step 501, the pore structure and porosity for determining rock core to be printed.
Step 502, the model to be printed that the rock core to be printed is constructed according to the pore structure and porosity.
Step 503, the mineral composition ingredient and mineral ratio for determining the rock core to be printed, according to the mineral ratio
The mineral composition ingredient is matched, the material to be printed of the rock core to be printed is obtained.
Step 504, by the mode input 3D printer to be printed so that the 3D printer uses the material to be printed
Material prints the model to be printed, obtains the corresponding core model of the rock core to be printed.
In the present embodiment, the pore structure and porosity of rock core to be printed are got, and according to rock core to be printed
After pore structure and porosity construct the model to be printed of rock core to be printed, obtain rock core to be printed mineral composition and
Mineral ratio, and mineral composition ingredient being matched according to the mineral ratio, obtain the mineral composition with rock core to be printed with
And the material to be printed of mineral ratio, which is added in 3D printer, it is to be printed that 3D printer receives this
After model, can be stacked up from level to level according to the material to be printed that the model to be printed carries itself, it is final obtain to
Print the corresponding core model of rock core.
The unconventional petrophysical model 3D printing method of high-precision provided in this embodiment, by according to the mineral ratio to mineral
Constituent is matched, acquisition and the mineral composition of rock core to be printed and the material to be printed of mineral ratio, so as to
It realizes that material to be printed is consistent with the composition of rock core to be printed, and then can guarantee the rock core mould using the material production to be printed
Type can be consistent with rock core to be printed, therefore, can be true by the geophysical parameters information that core model measurement obtains
Ground characterizes the true earth physical parameter information on stratum to be developed.
Fig. 6 is the structural schematic diagram for the unconventional petrophysical model 3D printing device of high-precision that the embodiment of the present invention six provides,
As shown in fig. 6, described device includes：
Determining module 61, for determining the pore structure and porosity of rock core to be printed.
Model construction module 62 to be printed, for constructing the rock core to be printed according to the pore structure and porosity
Model to be printed.
Material determining module 63 to be printed, for determining the mineral composition ingredient and mineral ratio of the rock core to be printed
Example, and the material to be printed of the rock core to be printed according to the mineral composition ingredient and mineral ratio-dependent.
Print module 64 is used for by the mode input 3D printer to be printed, so that described in the 3D printer use
Model to be printed described in file printing to be printed obtains the corresponding core model of the rock core to be printed.
It should be noted that since model to be printed is established according to the pore structure and porosity of rock core to be printed,
Material to be printed is the mineral composition ingredient and mineral ratio-dependent according to rock core to be printed, therefore, because printing
The pore structure of core model, porosity mineral composition ingredient and mineral ratio it is completely the same with rock core to be printed, from
And it can guarantee that the mechanical property of the core model printed and wetability are also completely the same with rock core to be printed.And
And the property of each core model printed by 3D printer is also completely the same, therefore, is printed using 3D printer
Core model out carries out subsequent experiment, and the geophysical parameters information measured can truly characterize stratum to be developed
True earth physical parameter information.Further, since model to be printed is the pore structure and porosity according to rock core to be printed
It establishes, material to be printed is the mineral composition ingredient and mineral ratio-dependent according to rock core to be printed, therefore, Ke Yitong
The petrophysical model for crossing 3D printer printing arbitrary shape, to also be able to achieve the foundation to unconventional petrophysical model.
The unconventional petrophysical model 3D printing device of high-precision provided in this embodiment, passes through the hole of determination rock core to be printed
Structure and porosity and the model to be printed that rock core to be printed is constructed according to the pore structure and porosity, determine to be printed
The mineral composition ingredient and mineral ratio of rock core, and according to mineral composition ingredient and mineral ratio-dependent rock core to be printed
Material to be printed, by mode input 3D printer to be printed, so that 3D printer uses file printing to be printed model to be printed,
The corresponding core model of rock core to be printed is obtained, due at least one core model complete one printed by 3D printer
It causes, therefore, the true of stratum to be developed can truly be characterized by the geophysical parameters information that core model measurement obtains
Real earth physical parameter information, so as to improve the efficiency of natural petroleum gas field.
Fig. 7 is the structural schematic diagram for the unconventional petrophysical model 3D printing device of high-precision that inventive embodiments seven provide, such as
Shown in Fig. 7, based on any of the above embodiments, described device further includes：
Specifically, it is determined that module 71 includes：
Structure determination unit 701 determines described to be printed for scanning the rock core to be printed by digital cores technology
The pore structure and porosity of rock core.
Model construction module 72 to be printed, for constructing the rock core to be printed according to the pore structure and porosity
Model to be printed.
Material determining module 73 to be printed, for determining the mineral composition ingredient and mineral ratio of the rock core to be printed
Example, and the material to be printed of the rock core to be printed according to the mineral composition ingredient and mineral ratio-dependent.
Print module 74 is used for by the mode input 3D printer to be printed, so that described in the 3D printer use
Model to be printed described in file printing to be printed obtains the corresponding core model of the rock core to be printed.
The unconventional petrophysical model 3D printing device of high-precision provided in this embodiment is determined by digital cores technology wait beat
The pore structure and porosity of rock core are printed, to construct for the subsequent pore structure and porosity obtained according to measurement wait beat
Stamp type provides the foundation, and then provides the foundation to can be improved the efficiency of natural petroleum gas field.
Fig. 8 is the structural schematic diagram for the unconventional petrophysical model 3D printing device of high-precision that inventive embodiments eight provide, such as
Shown in Fig. 8, based on any of the above embodiments, described device further includes：
Determining module 81, for determining the pore structure and porosity of rock core to be printed.
Model construction module 82 to be printed, for constructing the rock core to be printed according to the pore structure and porosity
Model to be printed.
Material determining module 83 to be printed specifically includes：
Ingredient determination unit 803, for determining the mineral composition and mine of the rock core to be printed by QEMSCAN method
Object ratio, and the material to be printed of the rock core to be printed according to the mineral composition ingredient and mineral ratio-dependent.
Print module 84 is used for by the mode input 3D printer to be printed, so that described in the 3D printer use
Model to be printed described in file printing to be printed obtains the corresponding core model of the rock core to be printed.
The unconventional petrophysical model 3D printing device of high-precision provided in this embodiment, can be accurate by QEMSCAN method
Ground obtains the mineral composition ingredient and mineral ratio of rock core to be printed, is the subsequent mineral group according to rock core to be printed therefore
It provides the foundation at the material to be printed of ingredient and mineral ratio-dependent rock core to be printed, and then natural to can be improved petroleum
The efficiency of gas exploitation provides the foundation.
Fig. 9 is the structural schematic diagram for the unconventional petrophysical model 3D printing device of high-precision that inventive embodiments nine provide, such as
Shown in Fig. 9, based on any of the above embodiments, described device further includes：
Determining module 91, for determining the pore structure and porosity of rock core to be printed.
Model construction module 92 to be printed specifically includes：
Analogue unit 902, for simulating the structure of the rock core to be printed according to the pore structure and porosity, and
Using the structure of the rock core to be printed as the model to be printed of the rock core to be printed.
Material determining module 93 to be printed, for determining the mineral composition ingredient and mineral ratio of the rock core to be printed
Example, and the material to be printed of the rock core to be printed according to the mineral composition ingredient and mineral ratio-dependent.
Print module 94 is used for by the mode input 3D printer to be printed, so that described in the 3D printer use
Model to be printed described in file printing to be printed obtains the corresponding core model of the rock core to be printed.
The unconventional petrophysical model 3D printing device of high-precision provided in this embodiment, by according to the pore structure and
Porosity simulates the structure of the rock core to be printed, and using the structure of the rock core to be printed as the rock core to be printed to
Printer model, mechanical property and the rock core to be printed so as to guarantee model to be printed are completely the same, therefore, using this wait beat
The core model that stamp type prints can be consistent with rock core to be printed, is joined by the geophysics that core model measurement obtains
Number information can truly characterize the true earth physical parameter information on stratum to be developed, and then can be improved petroleum gas and open
The efficiency of hair.
Figure 10 is the structural schematic diagram for the unconventional petrophysical model 3D printing device of high-precision that inventive embodiments ten provide, such as
Shown in Figure 10, based on any of the above embodiments, described device further includes：
Determining module 11, for determining the pore structure and porosity of rock core to be printed.
Model construction module 12 to be printed, for constructing the rock core to be printed according to the pore structure and porosity
Model to be printed.
Material determining module 13 to be printed specifically includes：
Proportion unit 131, for determining the mineral composition ingredient and mineral ratio of the rock core to be printed, according to described
Mineral composition ingredient described in mineral proportions obtains the material to be printed of the rock core to be printed.
Print module 14 is used for by the mode input 3D printer to be printed, so that described in the 3D printer use
Model to be printed described in file printing to be printed obtains the corresponding core model of the rock core to be printed.
The unconventional petrophysical model 3D printing device of high-precision provided in this embodiment, by according to the mineral ratio to mineral
Constituent is matched, acquisition and the mineral composition of rock core to be printed and the material to be printed of mineral ratio, so as to
It realizes that material to be printed is consistent with the composition of rock core to be printed, and then can guarantee the rock core mould using the material production to be printed
Type can be consistent with rock core to be printed, therefore, can be true by the geophysical parameters information that core model measurement obtains
Ground characterizes the true earth physical parameter information on stratum to be developed.
It is apparent to those skilled in the art that for convenience and simplicity of description, the device of foregoing description
Specific work process, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
Those of ordinary skill in the art will appreciate that：Realize that all or part of the steps of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned includes：ROM, RAM, magnetic disk or
The various media that can store program code such as person's CD.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, 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, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of unconventional petrophysical model 3D printing method of high-precision, which is characterized in that including：
Determine the pore structure and porosity of rock core to be printed；
The model to be printed of the rock core to be printed is constructed according to the pore structure and porosity；
Determine the mineral composition ingredient and mineral ratio of the rock core to be printed, and according to the mineral composition ingredient and mine
The material to be printed of rock core to be printed described in object ratio-dependent；
By the mode input 3D printer to be printed so that the 3D printer using described in the file printing to be printed to
Printer model obtains the corresponding core model of the rock core to be printed.
2. the method according to claim 1, wherein the pore structure and hole of determination rock core to be printed
Degree, including：
The rock core to be printed is scanned by digital cores technology, determines the pore structure and hole of the rock core to be printed
Degree.
3. the method according to claim 1, wherein the mineral composition of the determination rock core to be printed and
Mineral ratio, including：
The mineral composition and mineral ratio of the rock core to be printed are determined by QEMSCAN method.
4. the method according to claim 1, wherein described construct institute according to the pore structure and porosity
The model to be printed of rock core to be printed is stated, including：
Simulate the structure of the rock core to be printed according to the pore structure and porosity, and by the knot of the rock core to be printed
To be printed model of the structure as the rock core to be printed.
5. the method according to claim 1, wherein described according to the mineral composition ingredient and mineral ratio
Determine the material to be printed of the rock core to be printed, including：
According to mineral composition ingredient described in the mineral proportions, the material to be printed of the rock core to be printed is obtained.
6. a kind of unconventional petrophysical model 3D printing device of high-precision, which is characterized in that including：
Determining module, for determining the pore structure and porosity of rock core to be printed；
Model construction module to be printed, for according to the pore structure and porosity construct the rock core to be printed wait beat
Stamp type；
Material determining module to be printed, for determining the mineral composition ingredient and mineral ratio of the rock core to be printed, and root
According to the material to be printed of rock core to be printed described in the mineral composition ingredient and mineral ratio-dependent；
Print module, for will the mode input 3D printer to be printed so that the 3D printer use it is described to be printed
Model to be printed described in file printing obtains the corresponding core model of the rock core to be printed.
7. device according to claim 6, which is characterized in that the determining module includes：
Structure determination unit determines the rock core to be printed for scanning the rock core to be printed by digital cores technology
Pore structure and porosity.
8. device according to claim 6, which is characterized in that the determining module includes：
Ingredient determination unit, for determining the mineral composition and mineral ratio of the rock core to be printed by QEMSCAN method.
9. device according to claim 6, which is characterized in that the model construction module to be printed includes：
Analogue unit, for simulating the structure of the rock core to be printed according to the pore structure and porosity, and will be described
To be printed model of the structure of rock core to be printed as the rock core to be printed.
10. device according to claim 6, which is characterized in that the material determining module to be printed includes：
Proportion unit is used for the mineral composition ingredient according to the mineral proportions, obtain the rock core to be printed to
Printed material.
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| CN110108529A (en) * | 2019-05-13 | 2019-08-09 | 河海大学 | A kind of rocks-concrete assembly preparation method of sample |
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| WO2020260962A1 (en) * | 2019-06-27 | 2020-12-30 | Khalifa University of Science and Technology | An additive fabrication method of transparent rock micromodels with in-situ mineral coating |
| CN113074999A (en) * | 2021-03-27 | 2021-07-06 | 西南石油大学 | Rock plate crack propagation test method based on 3D printing of prefabricated cracks |
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