CN106404778B - A kind of visualization core holding unit microscopic test model - Google Patents
A kind of visualization core holding unit microscopic test model Download PDFInfo
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- CN106404778B CN106404778B CN201610741961.7A CN201610741961A CN106404778B CN 106404778 B CN106404778 B CN 106404778B CN 201610741961 A CN201610741961 A CN 201610741961A CN 106404778 B CN106404778 B CN 106404778B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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Abstract
The present invention relates to a kind of visualization core holding unit microscopic test model, innovative point is: including clamp body, transparent glass, observation cavity pressure cap, connector sleeve, connector sleeve pressure cap, end socket, transparent gum cover skeleton, transparent gum cover, rock core plug pressure cap, rock core plug and core wafer；In horizontal direction: by tightening the connector sleeve pressure cap being located in connector sleeve horizontal through hole, it is tightly attached to transparent adhesive tape set on transparent adhesive tape set skeleton the two sides that end socket withstands on transparent gum cover, it is located at the rock core cock cap of connector sleeve pressure cap inner wall by tightening, rock core plug is withstood on core wafer, fluid or gas is made to rush across core wafer by the runner of rock core plug；On vertical direction: giving one confining pressure of transparent gum cover skeleton by observation cavity pressure cap, transparent gum cover is set to clamp core wafer upper and lower end face in the vertical direction, light source is placed in the lower section light-transmitting opening of observation cavity pressure cap, the light-transmitting opening from above cavity pressure cap is observed with microscope.
Description
Technical field
The present invention relates to oil-gas exploration and development field more particularly to a kind of visualization core holding unit microscopic test models.
Background technique
During simulating actual formation burial diagenesis, the consecutive variations situation of reservoir physical parameter under compaction,
It is a kind of main path to sandstone Compaction simulated experiment using different recent sediment samples, wherein rock core presss from both sides
Holder is essential component in experimentation.Existing core holding unit mostly by shell, the left top of rubber tube, rock core,
The right top of rock core, left fixes sleeve, right fixes sleeve, left fastening sleeve, right fastening sleeve and fixed bracket are constituted.
A kind of coalbed methane reservoir rock sample as described in China Patent No. 201310055332.5 visualizes core holding unit,
It is characterized in that, it includes: pressing plate, gland, backing plate, sapphire glass, lining which, which visualizes core holding unit,
Plate, core chamber, stud；The backing plate is arranged between the pressing plate and sapphire glass；The backing plate and sapphire
The periphery setting of glass is there are two the liner plate, and a liner plate is located at pressing plate lower end, another is located at the gland upper end；Institute
It states and is provided with the core chamber in gland, the core chamber is located at the lower section of the sapphire glass, and the pressing plate passes through described
Stud is fixedly connected with the gland.It is larger that the coalbed methane reservoir rock sample visualizes the rock core thickness that core holding unit uses
It is unfavorable for observing effect, and since there are huge problems for compression effect and sealing effect, fluid or gas is caused to pass through rock
The gap when heart between rock core and core holding unit is flowed through, and can not be passed through rock core, be led to not accurately observe stream
The true operative condition of body or gas to rock core.
General entire clamper and internal part are cylindrical tube, for the ease of adopting in observation rock core at simulation scene
Oil gas situation, what when test used is the thicker rock core of thickness mostly and can only show that part is tied by measuring the data of rock core
By, in test by entrance be added fluid or gas the practical function state of rock core can not but be observed and it is general by
Careful internal action situation can not be observed in rock core thickness is thicker, therefore observe fluid or gas in order to more intuitive
Need to design a kind of visualization core holding unit microscopic test model, and the rock core thickness for needing to use to the effect situation of rock core
It is more lightening, convenient for observation internal action situation.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of visualization core holding unit microscopic test models；It is able to solve
Visualization core holding unit leakproofness and not caused enough the fluid of pressing force or gas can not pass through rock core and accurately act on rock core
The problem of.
In order to solve the above technical problems, the technical solution of the present invention is as follows: a kind of visualization core holding unit microscopic test mould
Type, innovative point are: including:
Clamp body, clamp body are cylindrical and respectively about horizontal central line and axisymmetrical, clamp body
Position is recessed inwardly to form groove among circumferential side wall, and groove is symmetric about the axis and is located at axis two sides, intermediate position setting
There is a horizontal through hole；Clamp body is provided with the observation cavity through clamp body, clamp body in the axial direction
Inner wall on be located at clamp body both ends be provided with transparent glass limit table top；Sight is provided on the outer wall of clamp body
Examine cavity pressure cap card slot；
Transparent glass, transparent glass have a pair of and cylindrical transparent glass for being placed on clamp body of transparent glass
It limits on table top, several sealing rings is provided between transparent glass and the inner wall of clamp body；
Cavity pressure cap is observed, observation cavity pressure cap is in annulus tubular, and centre is provided with the sky for accommodating clamp body end
The center of chamber, observation cavity pressure cap is provided with light-transmitting opening；It observes and is provided with bayonet on the inner wall of end of cavity pressure cap, the bayonet and folder
Transparent glass is fastened in the observation cavity of clamp body by the observation cavity pressure cap card slot cooperation on holder body outer wall；
There is a pair of and connector sleeve one end to be vertically embedded into clamp body circumferential side wall middle part for connector sleeve, connector sleeve
In the groove of position, along being provided with horizontal through hole in horizontal direction among connector sleeve, the water of the horizontal through hole and clamp body
Flat through hole connection；The inner wall of horizontal through hole is stepped to be provided with end socket limit table top；The horizontal through hole and clamper master
The observation cavity joining place upper and lower ends of body are provided with transparent gum cover skeleton, and the side edge of transparent gum cover skeleton is equipped with inclination
Chamfering, centre prolong vertical direction and are provided with loophole；Transparent gum cover and transparent is glued on the surface of transparent gum cover skeleton
The edge of gum cover extends at the chamfer bevel of transparent gum cover skeleton, is provided with core wafer between transparent gum cover；The connection
The end of set is provided with a connector sleeve pressure cap, and the outer wall of connector sleeve pressure cap is connected with the horizontal through hole inner wall of connector sleeve；Connector sleeve
Pressure cap is provided with through-hole in the axial direction, and a rock core cock cap is connected on the inner wall of connector sleeve pressure cap, and the centre of the rock core cock cap is opened
There is rock core plug mounting hole；
End socket, end socket have a pair of and are located at the two sides of transparent gum cover and end socket axis direction is provided with rock
Heart plug location hole；Transparent adhesive tape set is pressed on transparent adhesive tape set skeleton by one end of end socket in coniform, and the other end of end socket is arranged
There is end socket table top, an end face of end socket table top is withstood on connector sleeve pressure cap；
There is a pair of and rock core plug to cross the rock core plug mounting hole of rock core cock cap and the rock core plug of end socket for rock core plug, rock core plug
Location hole, one end of rock core plug are withstood on the core wafer between transparent gum cover, and the other end of rock core plug is located at rock core plug
The outside of cap, rock core plug are provided with runner, the side edge of runner face core wafer along axis direction.
Further, one end of the end socket is in a circular table shape, the inclination angle of the rotary table side of the end socket and horizontal direction formation
It is complementary with the chamfer bevel of transparent gum cover skeleton.
The present invention has the advantages that
1) it can be widely used in exploration and development field, core permeability, porosity test or rock core displacement can be completed
It is tested Deng generality；More importantly: scientific research personnel can intuitively observe influence of the change of crustal stress to rock core crack, also
Crack image can be obtained by form carry out qualitative analysis research；The reservoir rock crack carried out with technology provided by the invention
Visualized experiment has important practical meaning for the relationship between research crustal stress, rock fracture change width and permeability three
Justice and application value；
2) one end of end socket is in a circular table shape, the inclination angle and transparent gum cover skeleton that the rotary table side horizontal direction of the end socket is formed
Chamfer bevel it is complementary, transparent adhesive tape set is tightly pressed against on transparent adhesive tape set skeleton convenient for the conical end of end socket, increases transparent gum cover
Leakproofness between end socket passes through rock core convenient for fluid or gas.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the cross-sectional view for visualizing core holding unit microscopic test model.
Fig. 2 is the clamp body figure for visualizing core holding unit microscopic test model.
Fig. 3 is the observation cavity pressure cap figure for visualizing core holding unit microscopic test model.
Fig. 4 is the connector sleeve main view for visualizing core holding unit microscopic test model.
Fig. 5 is the connector sleeve pressure cap main view for visualizing core holding unit microscopic test model.
Fig. 6 is the rock core cock cap figure for visualizing core holding unit microscopic test model.
Fig. 7 is the end socket main view for visualizing core holding unit microscopic test model.
Fig. 8 is the end socket side view for visualizing core holding unit microscopic test model.
Fig. 9 is the rock core plug main view for visualizing core holding unit microscopic test model.
It is as shown in Figures 1 to 9: 1, clamp body；11, groove；12, horizontal through hole；13, cavity is observed；14, transparent
Glass limits table top；15, cavity pressure cap card slot is observed；2, transparent glass；21, sealing ring；3, cavity pressure cap is observed；31, cavity；
32, light-transmitting opening；33, bayonet；4, connector sleeve；41, horizontal through hole；42, end socket limits table top；43, connector sleeve pressure cap；5, transparent adhesive tape
Cover skeleton；51, chamfer bevel；52, loophole；53, transparent gum cover；6, rock core cock cap；61, rock core plug mounting hole；7, end socket；
71, rock core plug location hole；72, end socket table top；8, rock core plug；81, runner；9, core wafer.
Specific embodiment
The following examples can make professional and technical personnel that the present invention be more fully understood, but therefore not send out this
It is bright to be limited among the embodiment described range.
A kind of visualization core holding unit microscopic test model as shown in Figures 1 to 9, comprising:
Clamp body 1,1 main body of clamper are cylindrical and respectively about horizontal central line and axisymmetrical, clamper master
Position is recessed inwardly to form groove 11 among 1 circumferential side wall of body, and groove 11 is symmetric about the axis and is located at axis two sides, middle part
Position is provided with a horizontal through hole 12；Clamp body 1 is provided with the observation cavity through clamp body 1 in the axial direction
13, clamp body both ends are located on the inner wall of clamp body 1 and are provided with transparent glass limit table top 14；Clamp body
Observation cavity pressure cap card slot 15 is provided on 1 outer wall.
Transparent glass 2, transparent glass have a pair of and transparent glass 2 is cylindrical to be placed on the transparent of clamp body 1
Glass limits on table top 14, several sealing rings 21 are provided between transparent glass 2 and the inner wall of clamp body 1；
Cavity pressure cap 3 is observed, observation cavity pressure cap 3 is in annulus tubular, and centre, which is provided with, accommodates 1 end of clamp body
The center of cavity 31, observation cavity pressure cap 3 is provided with light-transmitting opening 32；It observes and is provided with bayonet 33 on the inner wall of end of cavity pressure cap 3,
15 slot of observation cavity pressure cap card on the bayonet 33 and 1 outer wall of clamp body, which cooperates, is fastened on clamper master for transparent glass 2
In the observation cavity 13 of body 1.
There is a pair of and connector sleeve 4 one end to be vertically embedded into 1 circumferential side wall of clamp body for connector sleeve 4, connector sleeve 4
Between position groove 11 in, along being provided with horizontal through hole 41 in horizontal direction among connector sleeve 4, the horizontal through hole 41 and clamping
The horizontal through hole 12 of device main body 1 is connected to；The inner wall of horizontal through hole 41 is stepped to be provided with end socket limit table top 42；The water
Flat through-hole 41 and the 13 joining place upper and lower ends of observation cavity of clamp body 1 are provided with transparent gum cover skeleton 5, transparent gum cover
The side edge of skeleton 5 is equipped with chamfer bevel 51, and centre prolongs vertical direction and is provided with loophole 52；The table of transparent gum cover skeleton 5
The edge that a transparent gum cover 53 and transparent gum cover 53 are glued on face extends at the chamfer bevel 51 of transparent gum cover skeleton 5,
Core wafer 9 is provided between transparent gum cover 53；The end of the connector sleeve 4 is provided with a connector sleeve pressure cap 43, connects casing pressure
The outer wall of cap 43 is connected with 41 inner wall of horizontal through hole of connector sleeve 4；Connector sleeve pressure cap 43 is provided with through-hole, connector sleeve in the axial direction
A rock core cock cap 6 is connected on the inner wall of pressure cap 43, the centre of the rock core cock cap 6 is provided with rock core plug mounting hole 61.
End socket 7, end socket 7 have a pair of and are located at the two sides of transparent gum cover 53 and set along 7 axis direction of end socket
It is equipped with rock core plug location hole 71；Transparent gum cover 53 is pressed on transparent gum cover skeleton 5 by one end of end socket 7 in coniform, end socket 7
The other end be provided with end socket table top 72, an end face of end socket table top 72 is withstood on connector sleeve pressure cap 43.
Rock core plug 8, the rock core plug mounting hole 61 and end socket 7 that there is rock core plug 8 a pair of and rock core plug 8 to cross rock core cock cap 6
Rock core plug location hole 71, one end of rock core plug 8 withstands on the core wafer 9 between transparent gum cover 53, rock core plug 8 it is another
One end is located at the outside of rock core cock cap 6, and rock core plug 8 is provided with runner 81 along axis direction, 81 face core wafer 9 of runner
Side edge.
One end of end socket 7 is in a circular table shape, the inclination angle and transparent gum cover bone of the rotary table side of the end socket and horizontal direction formation
The chamfer bevel 51 of frame 5 is complementary；Transparent gum cover 53 is tightly pressed against on transparent gum cover skeleton 5 convenient for the conical end of end socket 7, is increased
Leakproofness between transparent gum cover 53 and end socket 7 passes through rock core convenient for fluid or gas.
The working principle of the visualization core holding unit microscopic test model is: in horizontal direction: being connected by tightening to be located at
The two sides that end socket withstands on transparent gum cover are made transparent adhesive tape set be tightly attached to transparent adhesive tape set bone by the connector sleeve pressure cap in female connector horizontal through hole
On frame, the rock core cock cap of connector sleeve pressure cap inner wall is located at by tightening, rock core plug is withstood on core wafer, fluid or gas are made
Body rushes across core wafer by the runner of rock core plug；On vertical direction: giving one, transparent gum cover skeleton by observation cavity pressure cap
Confining pressure makes transparent gum cover clamp core wafer upper and lower end face in the vertical direction, puts in the lower section light-transmitting opening of observation cavity pressure cap
Light source is set, the light-transmitting opening from above cavity pressure cap is observed with microscope.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment and explanation
It is merely illustrated the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also has
Various changes and modifications, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention
It is defined by the appending claims and its equivalent thereof.
Claims (2)
1. a kind of visualization core holding unit microscopic test model, it is characterised in that: include:
Clamp body, clamp body are cylindrical and respectively about horizontal central line and axisymmetrical, clamp body circumference
Position is recessed inwardly to form groove among side wall, and groove is symmetric about the axis and is located at axis two sides, and intermediate position is provided with one
Horizontal through hole；Clamp body is provided with the observation cavity through clamp body in the axial direction, clamp body it is interior
It is located at clamp body both ends on wall and is provided with transparent glass limit table top；It is empty that observation is provided on the outer wall of clamp body
Chamber pressure cap card slot；
Transparent glass, transparent glass have the cylindrical transparent glass limit for being placed on clamp body of a pair of and transparent glass
On table top, several sealing rings are provided between transparent glass and the inner wall of clamp body；
Cavity pressure cap is observed, observation cavity pressure cap is in annulus tubular, and centre is provided with the cavity for accommodating clamp body end, is seen
The center for examining cavity pressure cap is provided with light-transmitting opening；It observes and is provided with bayonet on the inner wall of end of cavity pressure cap, the bayonet and clamper
Transparent glass is fastened in the observation cavity of clamp body by the observation cavity pressure cap card slot cooperation on body outer wall；
There is a pair of and connector sleeve one end to be vertically embedded into the position among clamp body circumferential side wall for connector sleeve, connector sleeve
In groove, along horizontal through hole is provided in horizontal direction among connector sleeve, the level of the horizontal through hole and clamp body is passed through
Perforation connection；The inner wall of horizontal through hole is stepped to be provided with end socket limit table top；The horizontal through hole and clamp body
Observation cavity joining place upper and lower ends are provided with transparent gum cover skeleton, and the side edge of transparent gum cover skeleton is equipped with inclination and falls
Angle, centre prolong vertical direction and are provided with loophole；A transparent gum cover and transparent adhesive tape are glued on the surface of transparent gum cover skeleton
The edge of set extends at the chamfer bevel of transparent gum cover skeleton, is provided with core wafer between transparent gum cover；The connector sleeve
End be provided with a connector sleeve pressure cap, the outer wall of connector sleeve pressure cap is connected with the horizontal through hole inner wall of connector sleeve；Connect casing pressure
Cap is provided with through-hole in the axial direction, and a rock core cock cap is connected on the inner wall of connector sleeve pressure cap, and the centre of the rock core cock cap is provided with
Rock core plug mounting hole；
End socket, end socket have a pair of and are located at the two sides of transparent gum cover and end socket axis direction is provided with rock core plug
Location hole；Transparent adhesive tape set is pressed on transparent adhesive tape set skeleton by one end of end socket in coniform, and the other end of end socket is provided with envelope
One end face in caster bed face, end socket table top is withstood on connector sleeve pressure cap；
The rock core plug of rock core plug, the rock core plug mounting hole and end socket that there is rock core plug a pair of and rock core plug to cross rock core cock cap positions
Hole, one end of rock core plug are withstood on the core wafer between transparent gum cover, and the other end of rock core plug is located at rock core cock cap
Outside, rock core plug are provided with runner, the side edge of runner face core wafer along axis direction.
2. a kind of visualization core holding unit microscopic test model according to claim 1, it is characterised in that: the end socket
An end face be round table-like, the chamfer bevel at inclination angle and transparent gum cover skeleton that the rotary table side of the end socket and horizontal direction are formed
It is complementary.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610741961.7A CN106404778B (en) | 2016-08-27 | 2016-08-27 | A kind of visualization core holding unit microscopic test model |
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| CN201610741961.7A CN106404778B (en) | 2016-08-27 | 2016-08-27 | A kind of visualization core holding unit microscopic test model |
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| CN106404778A CN106404778A (en) | 2017-02-15 |
| CN106404778B true CN106404778B (en) | 2019-04-26 |
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| CN107036922A (en) * | 2017-03-15 | 2017-08-11 | 江苏大学 | One kind visualization cavitation and cavitation erosion simultaneous test platform |
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| CN108169261B (en) * | 2018-01-05 | 2021-02-19 | 四川省川建勘察设计院有限公司 | Rock core holder for CT scanning |
| CN108301824A (en) * | 2018-01-20 | 2018-07-20 | 西南石油大学 | It is a set of can multipoint observation heating water bath microcosmic oil drive device |
| CN109270075B (en) * | 2018-09-26 | 2021-06-04 | 浙江双鸿智能设备有限公司 | Detection method for surface of cylindrical workpiece |
| CN110261425A (en) * | 2019-07-23 | 2019-09-20 | 海安华达石油仪器有限公司 | A kind of visualization high pressure property condensation analytical equipment |
| CN111929882A (en) * | 2020-06-30 | 2020-11-13 | 南通市中京机械有限公司 | Microscopic observation device for core slice |
| CN112326927A (en) * | 2020-10-21 | 2021-02-05 | 西南石油大学 | Pore scale microscopic water invasion simulation experiment visualization device and method |
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