CN105021794B - A kind of analog of different displacement gradient deformation fields based on seismic prospecting - Google Patents
A kind of analog of different displacement gradient deformation fields based on seismic prospecting Download PDFInfo
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Abstract
The present invention provides analog and the using method thereof of a kind of different displacement gradient deformation fields based on seismic prospecting, and this analog includes model module, drives module and control module；Model module is for placing quartz sand (11) and the silica gel material (10) of simulation Basin Tectonic, driving module to draw deformation for what the basin model placed applied the crimp in x-axis direction or the sliding deformation in y-axis direction or z-axis direction, control module makes experimental model generation displacement by computer (9) to step motor control.Use analog and the using method thereof of based on seismic prospecting the different displacement gradient deformation fields of the present invention, not only automaticity is high, and it is capable of deformation field and the graded thereof of controllable direction, carrying out the structural evolution simulation of oil-gas bearing basin, the deep development for Petroliferous Basin Analysis provides condition.
Description
The application is application number 2015100573116, filing date on February 3rd, 2015 " a kind of based on seismic prospecting
The analog of different displacement gradient deformation fields " divisional application.
Technical field
Technical field of geophysical exploration of the present invention, is specifically related to the mould of a kind of different displacement gradient deformation fields based on seismic prospecting
Intend device.
Background technology
Being determined by the distinctive kinesiology of shear wave and dynamic characteristic, it is furnished with gravel boulder bed for product and natural gas pool in the Quaternary Period is answered
Miscellaneous stratum has higher resolution and penetration power, is often applied in Engineering seismic prospeCting, can preferably reflect exploration place
Geology-geophysics characterizes.Conventional use of focus gun, controlled source, manpower focus etc. cut both ways, as focus gun excites
Energy is big, but dangerous and use environment restricted；Controlled source work safety, but cost is high and not to be suitable for construction of structures close
Collection city；Manpower focus is easy-to-use, but excitation energy is little and energy exports instability etc..
In common seismic is explored, in oil-gas bearing basin, the situation of oil-gas migration and gathering is extremely complex, wherein the structure in basin
The formation on stratum in Evolution Control basin, burying and transform, to the generation of oil gas, to migrate and assemble have conclusive effect.
In the research of Basin Tectonic, due to the anisotropism of geological conditions, structural deformation is often heterogeneity and irregular, is subject to
It is limited to complexity and the experiment condition of geological conditions, when the Basin Tectonic research carrying out macroscopic view, often ignores structural deformation not
Homogeneity, now the structural deformation anisotropism of rule is also left in the basket.The actually anisotropism of the structural deformation of rule is main
Showing as the displacement gradient of deformation field, this most first deposits what structure determined, is an important factor for controlling of structural deformation.Mesh
Before, also cannot realize the Basin Tectonic simulation under displacement gradient deformation field controls
Needs based on reality oil-gas exploration, the simulation based on seismic prospecting for different displacement gradient deformation fields seems urgent all the more
Cut.
Summary of the invention
In order to solve above-mentioned technical problem, the present invention provides the simulation of a kind of different displacement gradient deformation fields based on seismic prospecting to fill
Put, its object is to Extensional setting simulation based on different displacement gradient deformation fields, gradient displacement deformation basin after the match can be simulated
The three-dimensional structural evolution in ground, and then displacement maximum can be carried out be positioned at the displacement gradient deformation oil-gas bearing basin simulation in the middle part of experiment body.
According to a first aspect of the present invention, it is provided that the analog of a kind of different displacement gradient deformation fields based on seismic prospecting, its
Being characterised by, it includes model module, drives module and control module；Model module is for placing the quartz of simulation Basin Tectonic
Sand 11 and silica gel material 10；Quartz sand 11 is used for simulating the supracrustal rock of fragility, and silica gel material 10 is for equal by deformation field
Even distribution determines the intensity of deformation field distribution to whole model, the thickness of silica gel material；Drive module for the basin placed
What model applied the crimp in x-axis direction or the sliding deformation in y-axis direction or z-axis direction draws deformation；Wherein, the two of x-axis
Block baffle plate 601,602 drives the traction acetate film 801,802 in laboratory table to enable model to stretch along x-axis, y-axis
Track 401,402,403,404 enable model in the middle part of laboratory table the changing of the relative positions along the y-axis direction of separate two parts and not separated,
The z-axis cylinder 501,502 of laboratory table bottom pulls traction acetate film 801,802 to move downward along z-axis, makes model produce
Raw compressional movement；Motor 205,206 is controlled to make cylinder 501,502 produce displacement by control module by computer 9,
By total deformation displacement distribution to strikeing slip component, extrude three axial components such as component or stretching, extension component, respectively to three axial components
Give corresponding speed；Wherein extruding component and stretching, extension component do not coexist, and the same time is only provided that in extruding or stretching, extension；
When extruding with walk sliding to synthesize pressure twisting strain, stretching and walk and sliding synthesize a twisting strain, the bulk deformation direction of model is by pressing distortion
The resultant direction of shape and a twisting strain determines, the structural grain of first depositing that model is arranged has different angle from deformation direction.
Further, model module includes separate type laboratory table 1, support 301,302,303, track 401,402,403,
404, baffle plate 601,602, silica gel material 10 and dry quartz sand 11；Wherein separate type laboratory table 1 be two block length 1m rice,
The metallic plate of wide 0.8m, the respectively first metallic plate 101 and the second metallic plate 102, the first metallic plate 101 and the second metallic plate
102 lower surfaces have two grooves respectively；Totally four, track, metal material, length are 2m, be divided into the first track 401,
Two track the 402, the 3rd track 403 and the 4th tracks 404；Two grooves of the lower surface of the first metallic plate and the first track 401
Engaging with the second track 402, two articles of grooves of the lower surface of the second metallic plate and the 3rd track 403 and the 4th track 404 engage,
Adding oil lubrication, the first metallic plate and the second metallic plate are placed side by side, edge fluid-tight engagement；Use six motors altogether,
Respectively the first motor 201, the second motor 202, the 3rd motor 203, the 4th motor 204, the 5th
Motor 205, the 6th motor 206；In first group of track 401 and 402 and the end of second group of track 403 and 404
It is respectively arranged with the first motor 201 and the second stepping electricity implementing to control to the first metallic plate 101 and the second metallic plate 102
Machine 202.
Preferably, the first motor 201 pushes or pull on the first metallic plate 101 along the first track 401 and the second track 402
Slide to horizontal direction y-axis；Or second motor 202 push or pull on the second metallic plate 102 along the 3rd track 403 and
Four tracks 404 slide to horizontal direction y-axis；First metallic plate 101 and the second metallic plate 102 independently slide, and are sliding
During be only capable of along track 401, sliding in 402,403,404 directions, in sliding process, two pieces of metallic plate 101,102 edges are protected all the time
Hold fluid-tight engagement.
It is highly preferred that totally three groups of laboratory table support, being made up of metal mainstay and crossbeam, high 0.8m, the pillar of support is vertical, horizontal
Beam level, is divided into the first support the 301, second support 302 and the 3rd support 303, the crossbeam of support 301,302,303 all with
Track 401,402,403,404 vertically put, common supporting track 401, and 402,403,404, for following model at vertical direction
The transmission upwards of upper z-axis provides space.
It is highly preferred that in x-axis horizontal direction in separate type laboratory table 1, and it is perpendicular to orbital direction and is upwards respectively perpendicular placement
First baffle plate 601 and second baffle 602, the first baffle plate 601 and second baffle 602 are metal material, length 0.8m, highly
0.2m, the first baffle plate 601 and second baffle 602 bottom outside have the fixture of fixed traction acetate film 8, the first plate washer 601
It is connected with the 3rd motor 203 by head rod 701.
Further, the second plate washer 602 is connected with the 4th motor 204 by the second connecting rod 702, the first plate washer 601
Fixture and the first acetate film 801 by bottom connect, and same second baffle 602 passes through fixture and second vinegar of bottom
Acid esters thin film 802 connects, and the first plate washer and second baffle x-axis in the horizontal direction is moved in opposite directions or dorsad, makes the first acetate
Thin film 801 and the second acetate film 802 x-axis in the horizontal direction are moved in opposite directions or dorsad.
Additionally, silica gel material viscosity is 1*104Pa*s, for making the sand body on top, silica gel material distributed areas produce homogeneous deformation,
Being dried quartz sand size 20-50 mesh, internal friction angle 30 °-31 °, for simulating the brittle deformation of upper crust rock.
Additionally, module is driven to include the first motor 201, the second motor 202, the 3rd motor 203, the 4th
Motor 204, the 5th motor 205, the 6th motor 206, the first cylinder 501, second tin roller 502, first
Connecting rod 701, the second connecting rod 702, the first acetate film 801, the second acetate film 802；Wherein motor
The size impact that 201,202,203,204,205,206 can not stress according to pulse radio speed responsive output displacement.
Preferably, connecting rod 701,702 two, for metal material, length 0.6m, draw acetate film 801,802 thickness
1mm, width 0.8m, nonelastic；First cylinder 501 and second tin roller 502 are metal material, diameter 0.1m, length 1m,
First cylinder 501 and second tin roller 502 are connected with the 5th motor 205 and the 6th motor 206 respectively, use the 5th
Motor 205 and the 6th motor 206 drive, and arrange the first lock between the first cylinder 501 and the 5th motor 205
Button 121, can untie the first cylinder 501 and connection of the 5th motor 205；3rd motor 203 is fixed on first
The middle of metallic plate 101 horizontal direction x-axis remote edge, connects the first plate washer 601 by head rod 701,
Between three motors 203 and head rod 701, the 3rd snap close 123 is set, the 3rd motor 203 and can be untied
Connection between one connecting rod 701；4th motor 204 is fixed on the second metallic plate 102 horizontal direction x-axis remote edge
Middle, connect the second plate washer 602 by the second connecting rod 702, in the 4th motor 204 and the second connecting rod 702
Between the 4th snap close 124 is set, the connection between the 4th motor 204 and the second connecting rod 702 can be untied；Stepping electricity
Machine 203 and 204 pulls baffle plate 601 and 602 to move to the first metallic plate 101 and the second metallic plate 102 edge direction respectively respectively
Dynamic；Rectangle acetate film totally two pieces, respectively the first film 801 and the second thin film 802, the first film 801 one end passes
First baffle plate 601 bottom, is connected fixing outside the first plate washer 601 with the first baffle plate 601, and one end passes the first metallic plate 101
And the seam between the second metallic plate 102, is connected with the first cylinder 501 of the first metallic plate 101 bottom.
It is highly preferred that control module includes that computer 9, computer 9 calculate the component of speed by trigonometric function, pass through USB
Interface connects and controls the first motor 201, the second motor 202, the 3rd motor 203, the 4th motor 204,
5th motor 205, the motion of the 6th motor 206, thus the deformation of Controlling model.
According to a second aspect of the present invention, it is provided that use the analog of above-mentioned different displacement gradient deformation fields based on seismic prospecting
Method, it comprises the following steps:
The first step, prepared by model, according to the scale in actual basin, according to 1:105Scale smaller, draw experiment body size,
Laboratory table and baffle plate are moved to relevant position, according to scope and the gradient of default deformation field, laboratory table is laid respective range
Silica gel material, lay the dry quartz sand of respective thickness at silica gel material and bench top；
Second step, direction of displacement and rate calculations, required according to experiment, utilize trigonometric function to calculate the displacement of x, y, z three axle
Velocity component, if carried out stretching or a torsion experiment, then z-axis is deformed into 0, unties the snap close of z-axis cylinder, buckles x-axis gear
The snap close of plate；Turn round experiment if carried out extruding or pressure, then x-axis is deformed into 0, unties the snap close of x-axis baffle plate, buckles z-axis rolling
The snap close of cylinder；
3rd step, experiment is carried out, and uses second step to calculate the displacement component of gained, inputs computer respectively, control each group of stepping
Motor runs, and makes basin model be deformed, and gets final product the structural evolution of observing and nursing, after experiment terminates, make in deformation process
With watering can, model sand body is sprayed water, make model shape, model slice can be observed the structure within basin.
Use analog and the using method thereof of based on seismic prospecting the different displacement gradient deformation fields of the present invention, not only certainly
Dynamicization degree is high, and is capable of deformation field and the graded thereof of controllable direction, carries out the structural evolution mould of oil-gas bearing basin
Intending, the deep development for Petroliferous Basin Analysis provides condition.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the analog of based on seismic prospecting the different displacement gradient deformation fields according to the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely retouched
State, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on this
Embodiment in bright, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise,
Broadly fall into the scope of protection of the invention.Additionally, protection scope of the present invention only should not limited to following concrete structure or
Parts or design parameter.
The analog of the present invention different displacement gradient deformation fields based on seismic prospecting, it is the different displacement gradient deformation field of simulation
Basin modelling device, its based on operation principle be: by motor, moving stop, traction acetate film and cylinder
It is connected to become Bidirectional power device, x-axis two parts to left and right forms separate type experiment table top；Pass through motor so that it is
The moving stop connected is along x-axis to the most mobile, and linkage traction acetate film forms Extensional stress field, or passes through Rolling motor
Drive traction acetate film, make moving stop along x-axis to to movement.Form extrusion stress field；Separate type laboratory table is passed through
Laboratory table support, y-axis are to moving track and step motor control, it is achieved left and right two parts along y-axis to cracking, individually or simultaneously
Slide, formed and walk sliding stress field.During experiment, first silica gel uniform spreading is put on traction acetate film, repaves and be allowed to dry dry stone
The mutual bedded structure analog sample of sand, mud composition is between two moving stops；Power set connect computer, pass through computer
Control the x-axis of baffle plate/cylinder to the y-axis of translational speed and separate type laboratory table to translational speed, it is achieved different resultant directions
The basin modelling of tension/extrusion and displacement gradient deformation field.In experimentation, middle experiment can be carried out by end face and side observation experiment
The deformation evolutionary process of object；After experiment terminates, medication water retting experimental subject is allowed to consolidate, and cuts open its section carrying out level
Face and the observation of longitudinal profile.
Further, described analog realizes based on following principle: by step motor drive, controls separate type experiment table top
Carrying out y-axis drives traction acetate film to carry out x-axis to motion to motion and baffle plate/cylinder, jointly realizes determining of direction of extension
Quantifying controlled, the Gradient distribution realizing stretching displacement by laying silica gel in experiment sand body bottom changes.Laboratory table support, track
And motor plays and supports and the effect of fixing experiment table top, and make the laboratory table can only be along y-axis to slip, motor control
The sliding speed of laboratory table processed and distance；Separate type experiment table top is divided into left and right two halves, and crack along the y-axis direction in centre, two pieces of realities
Test table top also can slide along y-axis to can individually slide simultaneously；Baffle plate is perpendicular to laboratory table, is placed on laboratory table, is connected to reality
Test another group motor on platform, can move along the x-axis direction；Mobile gear is fixed in two traction acetate film one end respectively
The bottom of plate, the other end is connected on cylinder through cracking of table top of experiment, and cylinder leans on computer-controlled step motor drive；
Experiment material is divided into two-layer, and bottom is silica gel, and upper strata is for being dried quartz sand, and silica gel has certain mobility, is placed directly within and leads
Drawing the quartz sand deformation field on acetate film is 0, and in laboratory table, at seam, deformation field is maximum, therefore the change on silica gel top
There is graded in shape field.When only laboratory table moves, deformation field be y-axis to, when only baffle plate moves, deformation field is x-axis
To, therefore laboratory table and baffle plate move simultaneously and i.e. achieve oblique deformation field, deformation field angle [alpha]=arctany/x.Tested
Cheng Zhongke carries out situation from end face and side observation experiment, and experiment can use liquid medicine dipping sand body to be allowed to consolidate after terminating, cuts sand body
Sheet carries out the observation in horizontal profile and vertical section.Automaticity of the present invention is high, it is possible to realize deformation field and the ladder thereof of controllable direction
Degree change, carries out the structural evolution simulation of oil-gas bearing basin, and the deep development for Petroliferous Basin Analysis provides condition.
With reference to shown in Fig. 1,1 separate type laboratory table, 101 first metallic plates, 102 second metallic plates, 201 first steps
Enter motor, 202 second motors, 203 the 3rd motors, 204 the 4th motors, 205 the 5th stepping electricity
Machine, 206 the 6th motors, 301 first supports, 302 second supports, 303 the 3rd supports, 401 first tracks,
402 second tracks, 403 the 3rd tracks, 404 the 4th tracks, 501 first cylinders, 502 second tin rollers, 601
First baffle plate, 602 second baffles, 701 head rods, 702 second connecting rods, 801 first acetate film,
802 second acetate film, 9 computers, 10 silica gel materials, 11 are dried quartz sand, 121 first snap closes, and 122
Second snap close, 123 the 3rd snap closes, 124 the 4th snap closes.
The analog of the present invention different displacement gradient deformation fields based on seismic prospecting includes model module, drives module and control
Module.Model module is for placing quartz sand 11 and the silica gel material 10 of simulation Basin Tectonic.Wherein, quartz sand 11 is used for simulating
The supracrustal rock of fragility, silica gel material 10 for being evenly distributed to whole model by deformation field, and the thickness of silica gel material 10 determines
The intensity of deformation field distribution.Drive module for the basin model placed applies the crimp in x-axis direction, horizontal direction y
The sliding deformation of axle, vertical direction z-axis draw deformation.Wherein, two pieces of baffle plates 601,602 of horizontal direction x-axis drive laboratory table
On traction acetate film 801,802 enable model along x-axis stretch, the track 401,402,403,404 of y-axis makes model
In the middle part of laboratory table separate two parts metallic plate 101,102 can along the y-axis direction the changing of the relative positions and not separated, the z-axis of laboratory table bottom
Cylinder 501,502 pulls traction acetate film 801,802 to move downward along z-axis, makes model produce compressional movement.Control module
Use computer 9 to connect motor 201,202,203,204,205,206 and control its generation displacement, will according to experimental design
Total deformation displacement distribution axially gives corresponding speed respectively to three, and the displacement of experimental model can be analyzed to strike slip component, extruding
Component or stretching, extension component, wherein extruding component and stretching, extension component do not coexist, and the same time is only provided that in extruding or stretching, extension.
When extruding with walk sliding to synthesize pressure twisting strain, stretching and walk and sliding synthesize a twisting strain, the bulk deformation direction of model is by both
Resultant direction determines, the structural grain of first depositing that model is arranged has different angle from deformation direction, enters basin-mountain frame work accordingly
Row simulation.
Further, the analog of based on seismic prospecting the different displacement gradient deformation fields of the present invention includes separate type laboratory table
1, the first metallic plate 101, the second metallic plate 102, the first motor 201, the second motor 202, the 3rd motor
203, the 4th motor 204, the 5th motor 205, the 6th motor 206, the first support 301, the second support
302, the 3rd support 303, the first track 401, the second track 402, the 3rd track 403, the 4th track 404, the first cylinder
501, second tin roller 502, the first baffle plate 601, second baffle 602, head rod 701, the second connecting rod 702, first
Acetate film 801, the second acetate film 802, computer 9, silica gel material 10, it is dried quartz sand 11, the first snap close
121, the second snap close 122, the 3rd snap close 123, the 4th snap close 124.Wherein traction acetate film 801,802 drives top
Silica gel material 10 and dry quartz sand 11 move, stretching, extension displacement in the middle part of separate type laboratory table 1 is maximum, and draws acetic acid
It is 0 that displacement is stretched in the position that ester film 801,802 directly contacts with dry quartz sand 11, and deformation field is on silica gel material 10 top
Form Gradient distribution, thus study the basin-mountain frame work on top, gradient deformation field.Wherein separate type laboratory table 1 is one and divides equally
For the experiment table top metallic plate 101,102 of two halves, bottom and laboratory table support 301,302,303 and track 401,402,403,
404 are connected, and metallic plate 101,102 can carry out y-axis to slip, use stepping electricity along track 401,402,403,404
Machine 201,202 drives.Separate type laboratory table 1 top arranges two parallel baffle plates 601,602, by connecting rod 701,702
Using motor 203,204 to drive, baffle plate 601,602 can carry out x-axis and connect traction to movement, baffle plate 601,602
Acetate film 801,802 is positioned in separate type laboratory table 1, passes between two halves experiment table top metallic plate 101,102
Connect cylinder 501,502 to separate type laboratory table 1 bottom, cylinder 501,502 connects motor 205,206 respectively, rolling
Cylinder 501,502 and baffle plate 601,602 provide pulling force, drive traction acetate film 801,802 to x-axis both direction respectively
Mobile.The displacement of traction acetate film 801,802 is traveled to by silica gel material 10, in the dry quartz sand 11 of experiment body, make
Experimental model deforms, and it is consistent that scope is laid in the distribution of deformation field with silica gel material 10, the deformation in the middle part of separate type laboratory table 1
Field is maximum, and deformation field reduces to two end-stopping plate directions, without the region of silica gel material 10 distribution, is dried quartz sand 11 and directly contacts
Traction acetate film, stretching displacement is 0.In experimentation, use computer 9 control all motor 201,202,
203,204,205,206 speed and displacement.
In more detail, the analog of the present invention different displacement gradient deformation fields based on seismic prospecting includes model module, drives
Module and control module.Model module includes separate type laboratory table 1, support 301,302,303, track 401,402,403,
404, baffle plate 601,602, silica gel material 10 and dry quartz sand 11.Wherein separate type laboratory table 1 be two block length 1m, wide 0.8m
Metallic plate, the respectively first metallic plate 101 and the second metallic plate 102, the first metallic plate 101 and the second metallic plate 102 lower surface
Having two grooves respectively, totally four, track, metal material, length are 2m, be divided into first track the 401, second track 402,
3rd track 403 and the 4th track 404；Two grooves of the lower surface of the first metallic plate 101 and the first track 401 and the second track
402 engage, and two articles of grooves of the lower surface of the second metallic plate 102 and the 3rd track 403 and the 4th track 404 engage, and add lubricating oil
Lubricating, the first metallic plate 101 and the second metallic plate 102 are placed side by side, edge fluid-tight engagement, use six motors altogether, point
It is not the first motor 201, the second motor 202, the 3rd motor 203, the 4th motor 204, the 5th stepping
Motor 205, the 6th motor 206, it is respectively provided with in the end of first group of track 401 and 402 and second group of track 403 and 404
There is the first motor 201 and the second motor 202 that the first metallic plate 101 and the second metallic plate 102 are implemented to be controlled.
First motor 201 pushes or pull on the first metallic plate 101 along the first track 401 and the second track 402 to horizontal direction y
Axle slides, in like manner, the second motor 202 push or pull on the second metallic plate 102 along the 3rd track 403 and the 4th track 404 to
Horizontal direction y-axis is slided, and the first metallic plate 101 and the second metallic plate 102 independently slide, and are only capable of along track in sliding process
Sliding in 401,402,403,404 directions, in sliding process, two pieces of metallic plate 101,102 edges remain fluid-tight engagement.Laboratory table
Totally three groups of support 3, is made up of metal mainstay and crossbeam, high 0.8m, and the pillar of support is vertical, and crossbeam level is divided into the first support
301, the second support 302 and the 3rd support 303, the crossbeam of support 301,302,303 all with track 401,402,403,404 is vertical
Put, common supporting track 401,402,403,404, provide space for the transmission upwards of following model in the vertical direction z-axis.
In x-axis horizontal direction in separate type laboratory table 1, and be perpendicular to orbital direction upwards be respectively perpendicular placement the first baffle plate 601 and second
Baffle plate 602, the first baffle plate 601 and second baffle 602 are metal material, length 0.8m, highly 0.2m, the first baffle plate 601 and
Two baffle plate 602 bottom outside have the fixture of fixed traction acetate film 8, and the first plate washer 601 is by head rod 701 and the 3rd
Motor 203 is connected, and in like manner, the second plate washer 602 is connected with the 4th motor 204 by the second connecting rod 702, first grade
Plate 601 is connected by fixture and first acetate film 801 of bottom, the same second baffle 602 fixture and second by bottom
Acetate film 802 connects, and the first plate washer 601 and second baffle 602 x-axis in the horizontal direction moves in opposite directions or dorsad, makes first
Acetate film 801 and the second acetate film 802 x-axis in the horizontal direction are moved in opposite directions or dorsad.Silica gel material 10 viscosity is
1*104Pa*s, for making the sand body on top, silica gel material 10 distributed areas produce homogeneous deformation, is dried quartz sand 11 granularity 20-50
Mesh, internal friction angle 30 °-31 °, for simulating the brittle deformation of upper crust rock.
Module is driven to include the first motor 201, the second motor 202, the 3rd motor 203, the 4th motor 204,
5th motor 205, the 6th motor 206, the first cylinder 501, second tin roller 502, head rod 701, second even
Extension bar 702, the first acetate film 801, the second acetate film 802.Wherein motor 201,202,203,204,205,206
The size impact that can not stress according to pulse radio speed responsive output displacement；Connecting rod 701,702 two, for metal material,
Length 0.6m, acetate film 801,802 thickness 1mm, width 0.8m, nonelastic；Cylinder 501,502 is metal material, diameter
0.1m, length 1m, the first cylinder 501 and second tin roller 502 be connected with the 5th motor 205 and the 6th motor 206 respectively,
Use the 5th motor 205 and the 6th motor 206 to drive, between the first cylinder 501 and the 5th motor 205, arrange
One snap close 121, can untie the first cylinder 501 and connection of the 5th motor 205, in like manner, second tin roller 502 and the 6th step
Enter and the second snap close 122 is set between motor 206, second tin roller 502 and the connection of the 6th motor 206 can be untied；3rd step
Enter motor 203 and be fixed on the middle of the first metallic plate 101 horizontal direction x-axis remote edge, connect by head rod 701
One plate washer 601, arranges the 3rd snap close 123 between the 3rd motor 203 and head rod 701, can untie the 3rd stepping
Connection between motor 203 and head rod 701；It is remote that 4th motor 204 is fixed on the second metallic plate 102 horizontal direction x-axis
The middle of end margin, connects the second plate washer 602 by the second connecting rod 702, in the 4th motor 204 and the second connecting rod 702
Between the 4th snap close 124 is set, the connection between the 4th motor 204 and the second connecting rod 702 can be untied；Motor 203
Pull baffle plate 601 and 602 to move to the first metallic plate 101 and the second metallic plate 102 edge direction respectively respectively with 204；Rectangle acetic acid
Ester film totally two pieces, the respectively first acetate film 801 and the second acetate film 802, first acetate film 801 one end is worn
Crossing the first baffle plate 601 bottom, be connected with the first baffle plate 601 fixing outside the first plate washer 601, one end passes the first metallic plate 101
And the seam between the second metallic plate 102, is connected with the first cylinder 501 of the first metallic plate 101 bottom, similarly, the second acetic acid
Ester film 802 one end passes second baffle 602 bottom, is connected fixing outside the second plate washer 602 with second baffle 602, and one end is worn
Cross the seam between the first metallic plate 101 and the second metallic plate 102, be connected with the second tin roller 502 of the second metallic plate 102 bottom,
If carried out stretching experiment, just untie the first snap close 121 and the second snap close 122, lock the 3rd snap close 123 and the 4th snap close 124,
The 3rd motor 203 and the 4th motor 204 is used to control the first plate washer 601 and the second plate washer 602 respectively outside this instrument
Pull acetate film 801,802, if carried out extrusion experiment, just untie the 3rd snap close 123 and the 4th snap close 124, lock first
Snap close 121 and the second snap close 122, use the 5th motor 205 and the 6th motor 206 to drive the first cylinder 501 and the second rolling
Cylinder 502 pulls downward on acetate film 801,802 along the z-axis direction；First motor 201 pushes away, when the second motor 202 draws,
Left-handed wrench deformation simulated by instrument, and the first motor 201 draws, and when the second motor 202 pushes away, instrument simulation dextrorotation twisting becomes
Shape.
Control module includes that computer 9, computer 9 are calculated the component of speed by trigonometric function, connected also by USB interface
Control the first motor 201, the second motor 202, the 3rd motor 203, the 4th motor 204, the 5th step
Enter motor 205, the motion of the 6th motor 206, thus the deformation of Controlling model.
In another embodiment of the invention, a kind of basin modelling device simulating different displacement gradient deformation field, mainly solve existing
There is in technology the problem not having basin modelling device that device can carry out different displacement gradient deformation field.It is characterized in that: described
Experimental provision includes with lower component, respectively separate type laboratory table 1, motor 201,202,203,204,205,206,
Laboratory table support 301,302,303, track 401,402,403,404, cylinder 501,502, baffle plate 601,602, even
Extension bar 701,702, draws acetate film 801,802, computer 9, silica gel material 10 and dry quartz sand 11；Calculate
Machine controls motor 201,202,203,204,205,206 and cylinder 501,502 exports controlled stabilized speed；Step
Enter motor 201,202,203,204,205,206 by connecting rod 701,702 and 401,402,403,404 points of track
Not Kong Zhi baffle plate 601,602 and separate type laboratory table 1 carry out x-axis to y-axis to movement；Cylinder 501,502 is by leading
Draw acetate film 801,802 along z-axis to transmission, pull baffle plate 601,602 to move towards；Tool according to simulation experiment
Body requirement, can by control the motor 203,204 that is connected with baffle plate 601,602 realize x-axis to stretching action,
205,206 be connected with cylinder 501,502 to realize x-axis to squeezing action, by motor 201,202 control gold
Belong to plate 101,102 realize y-axis to strike slippin$, by computer control lower x-axis to y-axis to moving velocity vector
Superposition, can realize any direction deformation, and the maximum displacement in the middle part of laboratory table is distributed the silicon to whole experiment body by silica gel material 10
Glue material 10 lays scope, simulates the Basin Evolution process of different displacement gradient deformation field with this.
In above-mentioned being embodied as, according to actual basin size, according to 1:105Scale smaller draws the size of experiment body, by basin
Ground span maximum is positioned over the middle part of separate type laboratory table 1, lays silica gel material in the range of preset displacement gradient deformation field
10, stretch speed according to direction of extension with the angle calcu-lation laboratory table gliding cable structure and baffle plate first depositing structure, afterwards with being dried quartz
Sand 11 particle diameter 20-50 mesh simulation brittle formation, basin fill formation thickness and form according to reality are by quartz sand 11 and silica gel
Material 10 is laid into lab space, uses computer 9 to control step motor drive laboratory table and baffle plate moves.Can continue during deformation
Continue to experiment body in add stratum simulation deposition, or remove a part of stratum simulation degrade；Test during carrying out every necessarily
Time or certain push-and-pull distance Taking Pictures recording, experiment terminates rear medication water retting experiment body and is allowed to consolidate, in cutting experiment body is observed
Portion's section, carries out experimental record and summary, draws experimental result.
Additionally, utilize the step of the analog of based on seismic prospecting the different displacement gradient deformation fields of the present invention as follows:
The first step, prepared by model, according to the scale in actual basin, according to 1:105Scale smaller, draw experiment body size,
Laboratory table and baffle plate are moved to relevant position, according to scope and the gradient of default deformation field, laboratory table is laid respective range
Silica gel material, lay the dry quartz sand of respective thickness at silica gel material and bench top.
Second step, direction of displacement and rate calculations, required according to experiment, utilize trigonometric function to calculate the displacement of x, y, z three axle
Velocity component, if carried out stretching or a torsion experiment, then z-axis is deformed into 0, unties the snap close of z-axis cylinder, buckles x-axis gear
The snap close of plate；Turn round experiment if carried out extruding or pressure, then x-axis is deformed into 0, unties the snap close of x-axis baffle plate, buckles z-axis rolling
The snap close of cylinder.
3rd step, experiment is carried out, and uses second step to calculate the displacement component of gained, inputs computer respectively, control each group of stepping
Motor runs, and makes basin model be deformed, and gets final product the structural evolution of observing and nursing, after experiment terminates, make in deformation process
With watering can, model sand body is sprayed water, make model shape, model slice can be observed the structure within basin.
The invention has the beneficial effects as follows: provide the x-axis that can simultaneously freely arrange to and y-axis to moving direction and speed, reality
Show the continuous experiment of multi-direction different displacement gradient deformation field, it is possible to adapt to the structural evolution simulation experiment in dissimilar basin.
By different stress field environment, different stress direction basin modelling device required function collection together on this experimental provision, form many merits
Energy continually varying deformation field analogue experiment installation in situ, according to specific experiment requirement, it is not necessary to redesign experimental provision, the most logical
Cross computer and control motor and the cylinder of diverse location, the basin modelling experiment of multi-direction polymorphic type deformation field can be carried out.
By the application of this experimental provision, drastically increase conventional efficient, significantly reduce experimental cost.Moving on different directions
Power apparatus can control its moving direction and speed separately through computer, simple to operate, it is not necessary to experimental provision carries out dismounting and assembles,
Reduce the cost of single experiment, the economical and diversified feature of model, compensate for stress direction in prior art and fix
Change, stretch that extruding can not coexist, strike slippin$ can not the shortcoming such as superposition.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art in the technical scope that the invention discloses, the change that can readily occur in or replacement, all should contain
Cover within protection scope of the present invention.Those skilled in the art is appreciated that and is defining without departing substantially from claims
The spirit and scope of the present invention in the case of, various amendment can be made in form and details.
Claims (7)
1. the analog of different displacement gradient deformation fields based on seismic prospecting, it is characterised in that it includes model module, drives module and control module；Model module is for placing quartz sand (11) and the silica gel material (10) of simulation Basin Tectonic；Quartz sand (11) is used for simulating the supracrustal rock of fragility, and silica gel material (10) for being evenly distributed to whole model by deformation field, and the thickness of silica gel material determines the intensity of deformation field distribution；Module is driven to draw deformation for what the Basin Tectonic that places applied the crimp in x-axis direction or the sliding deformation in y-axis direction or z-axis direction；Wherein, two pieces of baffle plates (601,602) of x-axis drive the traction acetate film (801,802) in laboratory table to enable model to stretch along x-axis, the track (401,402,403,404) of y-axis enable model in the middle part of laboratory table the changing of the relative positions along the y-axis direction of separate two parts and not separated, the z-axis cylinder (501,502) of laboratory table bottom pulls traction acetate film (801,802) to move downward along z-axis, makes model produce compressional movement；
Motor (205,206) is controlled to make cylinder (501,502) produce displacement by control module by computer (9), by total deformation displacement distribution to strikeing slip component, extrude three axial components such as component or stretching, extension component, give corresponding speed to three axial components respectively；Wherein extruding component and stretching, extension component do not coexist, and the same time is only provided that in extruding or stretching, extension；When extruding with walk sliding to synthesize pressure twisting strain, stretching and walk and sliding synthesize a twisting strain, the bulk deformation direction of model is determined by the resultant direction pressing twisting strain and a twisting strain, and the structural grain of first depositing that model is arranged has different angle from deformation direction
Model module includes separate type laboratory table (1), support (3), track (4), baffle plate (6), silica gel (10) and dry quartz sand (11)；Wherein separate type laboratory table (1) is two block length 1 meter, the metallic plate of wide 0.8 meter, being respectively the first metallic plate (101) and the second metallic plate (102), the first metallic plate (101) and the second metallic plate (102) lower surface have two grooves respectively.
The analog of different displacement gradient deformation fields based on seismic prospecting the most according to claim 1, it is characterized in that, totally four, track in model module, metal material, length are 2 meters, are divided into the first track (401), the second track (402), the 3rd track (403) and the 4th track (404)；Two grooves of the lower surface of the first metallic plate and the first track (401) and the second track (402) engage, two articles of grooves of the lower surface of the second metallic plate and the 3rd track and the 4th track engage, add oil lubrication, first metallic plate and the second metallic plate are placed side by side, edge fluid-tight engagement；Use six motors altogether, it is respectively the first motor (201), second motor (202), 3rd motor (203), 4th motor (204), 5th motor (205), the 6th motor (206)；The first motor (201) and the second motor (202) that the first metallic plate (101) and the second metallic plate (102) are implemented to be controlled it is respectively arranged with in the end of first group of track (401 and 402) and second group of track (403 and 404).
The analog of different displacement gradient deformation fields based on seismic prospecting the most according to claim 2, it is characterized in that, the first motor (201) pushes or pull on the first metallic plate (101) and slides to horizontal direction y-axis along the first track (401) and the second track (402)；Or second motor (202) push or pull on the second metallic plate (102) and slide to horizontal direction y-axis along the 3rd track (403) and the 4th track (404)；First metallic plate (101) and the second metallic plate (102) independently slide, and are only capable of along track (401,402 in sliding process, 403,404) slide in direction, and in sliding process, two pieces of metallic plate (101,102) edges remain fluid-tight engagement.
The analog of different displacement gradient deformation fields based on seismic prospecting the most according to claim 2, it is characterized in that, totally three groups of laboratory table support (3), it is made up of metal mainstay and crossbeam, high 0.8 meter, the pillar of support is vertical, crossbeam level, it is divided into the first support (301), second support (302) and the 3rd support (303), support (301, 302, 303) crossbeam all with track (401, 402, 403, 404) vertically put, common supporting track (401, 402, 403, 404), space is provided in the z-axis transmission upwards of vertical direction for following model.
The analog of different displacement gradient deformation fields based on seismic prospecting the most according to claim 2, it is characterized in that, in separate type laboratory table (1) in the horizontal direction and be perpendicular to the x-axis of orbital direction and be upwards respectively perpendicular placement the first baffle plate (601) and second baffle (602), first baffle plate (601) and second baffle (602) are metal material, length 0.8 meter, highly 0.2 meter, first baffle plate (601) and second baffle (602) bottom outside have the fixture of fixing acetate film (8), first plate washer (601) is connected with the 3rd motor (203) by head rod (701).
The analog of different displacement gradient deformation fields based on seismic prospecting the most according to claim 2, it is characterized in that, second plate washer (602) is connected with the 4th motor (204) by the second connecting rod (702), first plate washer (601) is connected by fixture and first acetate film (801) of bottom, same second baffle (602) is connected by fixture and second acetate film (802) of bottom, move in opposite directions or dorsad in first plate washer and second baffle x-axis in the horizontal direction, the first acetate film (801) and the second acetate film (802) x-axis in the horizontal direction is made to move in opposite directions or dorsad.
The analog of different displacement gradient deformation fields based on seismic prospecting the most according to claim 1, it is characterized in that, module is driven to include the first motor (201), second motor (202), 3rd motor (203), 4th motor (204), 5th motor (205), 6th motor (206), the first cylinder (501), second tin roller (502), head rod (701), second connecting rod (702), the first acetate film (801), the second acetate film；The size impact that wherein motor (201,202,203,204,205,206) can not stress according to pulse radio speed responsive output displacement.
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| CN106940451B (en) * | 2017-05-08 | 2023-08-11 | 中油（天津）国际石油勘探开发技术有限公司 | Method for predicting plastic stratum deformation |
| CN109285436B (en) * | 2018-11-08 | 2022-05-17 | 南京大学 | Physical simulation experiment device and method for walking and sliding structure in hypergravity environment |
| CN111833713B (en) * | 2019-04-22 | 2022-02-01 | 中国石油天然气股份有限公司 | Physical simulation device and simulation method for deformable rotary sand box |
| CN111983150B (en) * | 2020-08-21 | 2022-10-25 | 阿克陶县诚鑫路桥有限责任公司 | Building board detection deformation simulation positioning device based on stepping electric telescopic rod |
| CN113390721B (en) * | 2021-08-18 | 2021-11-19 | 中国石油大学胜利学院 | Quantitative evaluation method for tension-torsion fracture structure activity and physical simulation device thereof |
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| JP2007024728A (en) * | 2005-07-19 | 2007-02-01 | Shimizu Corp | Ground investigation device |
| CN201460868U (en) * | 2009-06-26 | 2010-05-12 | 中国石油天然气股份有限公司 | Physical analog device for tectonic deformation and oil-gas migration |
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