CN106898222A - A kind of permanent store method of friable core - Google Patents

A kind of permanent store method of friable core Download PDF

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Publication number
CN106898222A
CN106898222A CN201710244270.0A CN201710244270A CN106898222A CN 106898222 A CN106898222 A CN 106898222A CN 201710244270 A CN201710244270 A CN 201710244270A CN 106898222 A CN106898222 A CN 106898222A
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rock core
core body
cast
silicon wafer
friable
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CN106898222B (en
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崔立伟
余晓恩
夏浩东
易锦俊
张苏江
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Physical And Geological Data Center Of Land And Resources
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Physical And Geological Data Center Of Land And Resources
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    • G09B23/00Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/40Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for geology

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Abstract

The present invention relates to a kind of permanent store method of friable core, polished rock core body is obtained by first to rock core cut, the cut surface to polished rock core body is polished the rock core body to be cast obtained with smooth cut surface again, the rock core body to be cast is positioned in transparent U-type groove and is cast afterwards, the friable core is allowed for be able to preserve for a long time, after casting is polished to friable core by using the inventive method, enable that friable core is preserved for a long time, so as to be further able to realize more intuitively to rock core lithology, structure and construction etc. carry out observational study, it is convenient to carry out high-resolution photograph, scanning, the research works such as lossless experimental test and analysis, rock core is reduced simultaneously is subject to temperature for a long time, the influence of the natural causes such as humidity and the weathering that causes and broken.

Description

A kind of permanent store method of friable core
Technical field
The invention belongs to rock core polishing, the technical field of casting, and in particular to a kind of permanent store method of friable core.
Background technology
With the development and progress of civilization and progress with development, industry, science and technology and the engineering construction of human society, orefield The prospecting of matter, hydrogeology, engineering geology, science geology etc., exploration behavior are also more and more extensive.In various geologic prospects, survey It is main to use probing mode to gather rock core below earth's surface for the original geology state of reference analysis to reach science in spy behavior Develop the purpose of geological resource.
In practical operation, after rock core takes out from below earth's surface, because the strata pressure below earth's surface, temperature and earth's surface are present Difference, and influenceed by other natural causes, rock core is easy to fracture and disintegrates.Rock core is in bulk after disintegration, and shape is irregular not Together, it is not of uniform size, this to subsequently being cut, observe and test analysis cause certain difficulty.
In the prior art, typically there are two kinds for the method that friable core is preserved:One is natural storage, the rock that shaft bottom is taken out The heart is placed in a unlimited plastic casing without any closing measure, in the air for changing exposed to temperature, humidity for a long time, increased The broken and weathering of rock core, so that causing overall rock core to disintegrate, sillar dislocation, structure is unclear, loses the meaning of scientific research Justice;Two is method of simply sealing with wax, and rock core is wrapped up with a kind of opaque paraffin paper, then overall waxdip.It is empty that the method has waterproof to completely cut off Gas is acted on, but brings inconvenience to observation or test analysis rock core, and observation or test analysis rock core are all switched on every time Seal with wax packaging, parcel of being sealed with wax again again after core observation, therefore waste time and energy.
The content of the invention
In order to solve the above mentioned problem of prior art presence, the invention provides a kind of permanent preservation side of friable core Method;After casting is polished to friable core by using the inventive method so that friable core can be preserved for a long time, so as to enter One step can be realized more intuitively carrying out rock core lithology, structure and construction etc. observational study, the photograph of convenient development high-resolution, The research works such as scanning, lossless experimental test and analysis, while reduce rock core being influenceed by natural causes such as temperature, humidity for a long time And the weathering for causing and broken.
The technical solution adopted in the present invention is:
A kind of permanent store method of friable core, comprises the following steps:
(1) cutting of rock core:Take cylinder type friable core, carry out it is longitudinally cutting after, obtain polished rock core body;
(2) polishing of rock core:The cut surface of the polished rock core body is polished, is obtained with smooth cut surface Rock core body to be cast;
(3) placement of the rock core body to be cast in transparent U-type groove:The cutting of the rock core body to be cast is faced down level Place, in the outer surface arc bottom both sides of the rock core body to be cast, the multiple points of selection place adhesive glue micelle;Take transparent U-type groove Tip upside down on the rock core body to be cast, and make the adhesive glue micelle and the transparent U on the rock core external surface to be cast The cell wall of type groove is fully contacted, and after the adhesive glue fully solidifies, obtains filling the transparent U-type groove of rock core body to be cast;
(4) cast:The positive placement of transparent U-type groove of rock core body to be cast will be filled step (3) Suo Shu, so that described to be poured Cast the cut surface level of rock core body upward, the transparent U-type groove for filling rock core body to be cast pour into cast material, directly To the cast material full of the gap between rock core body to be cast and the transparent U-type groove, fully after solidification so that institute Friable core is stated to be able to preserve for a long time.
It should be noted that in the inventive method, the cylinder type friable core for being cut refers to that splicing is arranged Rock core afterwards, the splicing housekeeping operation of rock core is specific as follows:
A () is arranged broken core block according to the relative position before crushing in rock core groove, to cause each rock core Fracture between block can splice neatly;
B () coats one on the inside of the cross-sectional circumferential of each core block and encloses adhesive, afterwards by the core block according to step Suddenly the order that (a) is arranged is spliced and is bonded successively, forms the friable core of the cylinder type.
In step (1), carried out from the 1/3 of cross-sectional diameter it is longitudinally cutting, i.e., along being carried out perpendicular to the direction of cross section It is longitudinally cutting, cylinder type friable core is cut the rock core body of the rock core body and 2/3 diameter to form 1/3 diameter.By 1/3 diameter Rock core body be polished, casting treatment, for observing and long-term preservation, the rock core body of 2/3 diameter has been kept into relative position, For carrying out multiple scientific research sampling and experiment detection work.
In step (1), longitudinally cutting, i.e. edge is carried out from the 1/2 of the cross-sectional diameter of the cylinder type friable core Carried out perpendicular to the direction of cross section longitudinally cutting, cylinder type friable core is cut the rock core body to form two 1/2 diameters.
In step (2), comprising the following steps that for the polishing is carried out:
(S1) one-level polishing is carried out to the folding face on the polished rock core body cut surface using first order polished silicon wafer, Obtain the coagulation rock core body with flat cut face;
(S2) two grades of throwings are carried out to the concavo-convex position on the coagulation rock core body cut surface using second level polished silicon wafer Light treatment, obtains two stage treatment rock core body;
(S3) cut on the two stage treatment rock core body cut surface is carried out at three-level polishing using third level polished silicon wafer Reason, obtains tertiary treatment rock core body;
(S4) level Four polishing is carried out to the tertiary treatment rock core body cut surface using fourth stage polished silicon wafer, obtains institute State the rock core body to be cast with smooth cut surface;
The first order polished silicon wafer, second level polished silicon wafer, third level polished silicon wafer, the mesh number of fourth stage polished silicon wafer increase successively Greatly.
The first order polished silicon wafer, second level polished silicon wafer, third level polished silicon wafer, the mesh number of fourth stage polished silicon wafer are followed successively by 400 mesh, 600 mesh, 800 mesh and 1000 mesh.The rock core that above-mentioned polished silicon wafer combination is particularly suited for hardness is bigger is polished, for example Conglomerate, rhyolite etc..
The first order polished silicon wafer, second level polished silicon wafer, third level polished silicon wafer, the mesh number of fourth stage polished silicon wafer are followed successively by 400 mesh, 800 mesh, 1000 mesh and 1500 mesh.Above-mentioned polished silicon wafer combination is particularly suited for medium-hard rock core and is polished, example Such as siltstone.
The first order polished silicon wafer, second level polished silicon wafer, third level polished silicon wafer, the mesh number of fourth stage polished silicon wafer are followed successively by 600 mesh, 1000 mesh and 1500 mesh and 2000 mesh.Above-mentioned polished silicon wafer combination is particularly suited for the less rock core of hardness and is polished, Such as mud stone, tufa stone etc..
In step (3), the transparent U-type groove is crystal groove;6-8 point of selection places the adhesive glue micelle, described viscous Gum deposit is stone cloud glue;The setting time of the adhesive glue is 2-4h.In practical operation, adhesive glue micelle is selected according to rock core length Placement points.
In step (4), the cast material is adopted and prepared with the following method, according to volume ratio 1000:2-3:1 takes resin Glue, curing agent and accelerator, carry out being sufficiently mixed uniformly under agitation, obtain final product the cast material.
The resin glue is unsaturated polyester resin class polyester resin, and the curing agent is methyl ethyl ketone peroxide, the promotion Agent is cobalt iso-octoate;The cast material carries out solidification 12-14h at room temperature.
Beneficial effects of the present invention are:
The permanent store method of friable core of the present invention, polished rock core is obtained by first to rock core cut Body, then the rock core body to be cast obtained with smooth cut surface is polished to the cut surface of polished rock core body, afterwards by institute Rock core body to be cast is stated to be positioned in transparent U-type groove and cast, it becomes possible to so that the friable core is able to preserve for a long time, After casting is polished to friable core by using the inventive method so that friable core can be preserved for a long time, so as to enter one Step can be realized more intuitively carrying out rock core lithology, structure and construction etc. observational study, convenient to carry out high-resolution photograph, sweep Retouch, the research work such as lossless experimental test and analysis, while reduce rock core to be influenceed by natural causes such as temperature, humidity for a long time and The weathering that causes and broken.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the transparent U-type groove for filling rock core body to be cast that an embodiment of the present invention is provided;
Fig. 2 is the sectional side view of structure in Fig. 1.
1- rock core bodies to be cast in figure, the transparent U-type grooves of 2-, 3- adhesive glue micelles, the smooth cut surfaces of 4-.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below Detailed description.Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Base Embodiment in the present invention, those of ordinary skill in the art are resulting on the premise of creative work is not made to be owned Other embodiment, belongs to the scope that the present invention is protected.
Embodiment 1
The present embodiment provides a kind of permanent store method of friable core, and the friable core is the conglomerate of hardness is bigger, Methods described comprises the following steps:
(1) cutting of rock core:Cylinder type friable core is taken, from the cross-sectional diameter of the cylinder type friable core Carried out at 1/3 it is longitudinally cutting after, select 1/3 diameter the polished rock core body of rock core body;
The cylinder type friable core refers to the rock core after splicing is arranged, and the splicing housekeeping operation of rock core is specially:(a) According to the relative position before crushing, broken core block is arranged in rock core groove, it is disconnected between each core block to cause Mouth can splice neat;B () coats one on the inside of the cross-sectional circumferential of each core block and encloses adhesive, afterwards by the core block The order arranged according to step (a) is spliced and is bonded successively, forms the friable core of the cylinder type;Wherein, it is described Adhesive is adopted and prepared with the following method:100g marbles stone cloud glue and 3g curing agent methyl ethyl ketone peroxides are taken, by described adhesive Being coated on the outside of each radius of core block 1/3 (does not carry out the painting of adhesive within 1/3 radius of each core block cross section Cover);
(2) polishing of rock core:The cut surface of the polished rock core body is polished, is obtained with smooth cut surface Rock core body to be cast;The polishing is comprised the following steps that:(S1) using the first order polished silicon wafer of 400 mesh to the polished rock Folding face in the cut surface of heart body carries out one-level polishing, obtains the coagulation rock core body with flat cut face; (S2) two grades of polishings are carried out to the concavo-convex position on the coagulation rock core body cut surface using the second level polished silicon wafer of 600 mesh Treatment is until the disappearance of concavo-convex position, obtains two stage treatment rock core body;(S3) using the third level polished silicon wafer of 800 mesh to described two grades Cut on treatment rock core body cut surface carries out three-level polishing until cut disappearance, obtains tertiary treatment rock core body;(S4) Level Four polishing is carried out to the tertiary treatment rock core body cut surface using 1000 mesh fourth stage polished silicon wafers until cut surface exists It is reflective in minute surface under illumination, without any folding face, concavo-convex and cut, the as described rock core body to be cast with smooth cut surface;
(3) placement of the rock core body to be cast in transparent U-shaped crystal groove:The cutting of the rock core body to be cast is faced down Horizontal positioned, in the outer surface arc bottom both sides of the rock core body to be cast, selection 6 points of selection place adhesive glue micelle;Take Bright U-shaped crystal groove groove is tipped upside down on the rock core body to be cast, and makes the stone cloud glue glue on the rock core external surface to be cast Group is fully contacted with the cell wall of the transparent U-shaped crystal groove, stands 2h, after the stone cloud glue fully solidifies, obtains filling and treats The transparent U-shaped crystal groove of casting rock core body;
(4) cast:The positive placement of transparent U-shaped crystal groove of rock core body to be cast will be filled step (3) Suo Shu, so that described The cut surface level of rock core body to be cast upward, the top outer rim of the rock core body cut surface to be cast and the transparent U-type groove Flush, the transparent U-shaped crystal groove for filling rock core body to be cast pour into cast material (direction of arrow in Fig. 1 be The flow direction of cast material), until the cast material be full of the rock core body to be cast and the transparent U-shaped crystal groove it Between gap, carry out at room temperature fully solidification 12h after so that the friable core is able to preserve for a long time;
Wherein, described adopting prepares with the following method, take respectively 1000ml unsaturated polyester resin class polyester resin, The methyl ethyl ketone peroxide of 2ml and the cobalt iso-octoate of 1ml, carry out being sufficiently mixed under agitation uniformly obtaining final product.
Embodiment 2
The present embodiment provides a kind of permanent store method of friable core, and the friable core is medium hardness siltstone, Methods described comprises the following steps:
(1) cutting of rock core:Cylinder type friable core is taken, from the cross-sectional diameter of the cylinder type friable core Carried out at 1/2 it is longitudinally cutting after, select the rock core body of one of them 1/2 diameter as polished rock core body;
The cylinder type friable core refers to the rock core after splicing is arranged, and the splicing housekeeping operation of rock core is specially:(a) According to the relative position before crushing, broken core block is arranged in rock core groove, it is disconnected between each core block to cause Mouth can splice neat;B () coats one on the inside of the cross-sectional circumferential of each core block and encloses adhesive, afterwards by the core block The order arranged according to step (a) is spliced and is bonded successively, forms the friable core of the cylinder type;Wherein, it is described Adhesive is adopted and prepared with the following method:100g marbles stone cloud glue and 3g curing agent methyl ethyl ketone peroxides are taken, by described adhesive Being coated on the outside of each radius of core block 2/3 (does not carry out the painting of adhesive within 2/3 radius of each core block cross section Cover);
(2) polishing of rock core:The cut surface of the polished rock core body is polished, is obtained with smooth cut surface Rock core body to be cast;The polishing is comprised the following steps that:(S1) using the first order polished silicon wafer of 400 mesh to the polished rock Folding face in the cut surface of heart body carries out one-level polishing, obtains the coagulation rock core body with flat cut face; (S2) two grades of polishings are carried out to the concavo-convex position on the coagulation rock core body cut surface using the second level polished silicon wafer of 800 mesh Treatment is until the disappearance of concavo-convex position, obtains two stage treatment rock core body;(S3) using the third level polished silicon wafer of 1000 mesh to described two Cut on level treatment rock core body cut surface carries out three-level polishing until cut disappearance, obtains tertiary treatment rock core body; (S4) level Four polishing is carried out to the tertiary treatment rock core body cut surface using 1500 mesh fourth stage polished silicon wafers until cutting Face is reflective in minute surface under light illumination, without any folding face, concavo-convex and cut, the as described rock core to be cast with smooth cut surface Body;
(3) placement of the rock core body to be cast in transparent U-shaped crystal groove:The cutting of the rock core body to be cast is faced down Horizontal positioned, in the outer surface arc bottom both sides of the rock core body to be cast, selection 8 points of selection place adhesive glue micelle;Take Bright U-shaped crystal groove groove is tipped upside down on the rock core body to be cast, and makes the stone cloud glue glue on the rock core external surface to be cast Group is fully contacted with the cell wall of the transparent U-shaped crystal groove, stands 4h, after the stone cloud glue fully solidifies, obtains filling and treats The transparent U-shaped crystal groove of casting rock core body;
(4) cast:The positive placement of transparent U-shaped crystal groove of rock core body to be cast will be filled step (3) Suo Shu, so that described The cut surface level of rock core body to be cast upward, the top outer rim of the rock core body cut surface to be cast and the transparent U-type groove Flush, the transparent U-shaped crystal groove for filling rock core body to be cast pour into cast material, until the cast material fills The full gap between rock core body to be cast and the transparent U-shaped crystal groove, after fully solidification 14h is carried out at room temperature so that The friable core is able to preserve for a long time;
Wherein, described adopting prepares with the following method, take respectively 1000ml unsaturated polyester resin class polyester resin, The methyl ethyl ketone peroxide of 3ml and the cobalt iso-octoate of 1ml, carry out being sufficiently mixed under agitation uniformly obtaining final product.
Embodiment 3
The present embodiment provides a kind of permanent store method of friable core, and the friable core is the less mud stone of hardness, Methods described comprises the following steps:
(1) cutting of rock core:Cylinder type friable core is taken, from the cross-sectional diameter of the cylinder type friable core Carried out at 1/3 it is longitudinally cutting after, select 1/3 diameter rock core body as polished rock core body;
The cylinder type friable core refers to the rock core after splicing is arranged, and the splicing housekeeping operation of rock core is specially:(a) According to the relative position before crushing, broken core block is arranged in rock core groove, it is disconnected between each core block to cause Mouth can splice neat;B () coats one on the inside of the cross-sectional circumferential of each core block and encloses adhesive, afterwards by the core block The order arranged according to step (a) is spliced and is bonded successively, forms the friable core of the cylinder type;Wherein, it is described Adhesive is adopted and prepared with the following method:100g marbles stone cloud glue and 3g curing agent methyl ethyl ketone peroxides are taken, by described adhesive Being coated on the outside of each radius of core block 1/3 (does not carry out the painting of adhesive within 1/3 radius of each core block cross section Cover);
(2) polishing of rock core:The cut surface of the polished rock core body is polished, is obtained with smooth cut surface Rock core body to be cast;The polishing is comprised the following steps that:(S1) using the first order polished silicon wafer of 600 mesh to the polished rock Folding face in the cut surface of heart body carries out one-level polishing, obtains the coagulation rock core body with flat cut face; (S2) two grades of throwings are carried out to the concavo-convex position on the coagulation rock core body cut surface using the second level polished silicon wafer of 1000 mesh Light treatment is until the disappearance of concavo-convex position, obtains two stage treatment rock core body;(S3) using the third level polished silicon wafer of 1500 mesh to described Cut on two stage treatment rock core body cut surface carries out three-level polishing until cut disappearance, obtains tertiary treatment rock core body; (S4) level Four polishing is carried out to the tertiary treatment rock core body cut surface using 2000 mesh fourth stage polished silicon wafers until cutting Face is reflective in minute surface under light illumination, without any folding face, concavo-convex and cut, the as described rock core to be cast with smooth cut surface Body;
(3) placement of the rock core body to be cast in transparent U-shaped crystal groove:The cutting of the rock core body to be cast is faced down Horizontal positioned, in the outer surface arc bottom both sides of the rock core body to be cast, selection 8 points of selection place adhesive glue micelle;Take Bright U-shaped crystal groove groove is tipped upside down on the rock core body to be cast, and makes the stone cloud glue glue on the rock core external surface to be cast Group is fully contacted with the cell wall of the transparent U-shaped crystal groove, stands 3h, after the stone cloud glue fully solidifies, obtains filling and treats The transparent U-shaped crystal groove of casting rock core body;
(4) cast:The positive placement of transparent U-shaped crystal groove of rock core body to be cast will be filled step (3) Suo Shu, so that described The cut surface level of rock core body to be cast upward, the top outer rim of the rock core body cut surface to be cast and the transparent U-type groove Flush, the transparent U-shaped crystal groove for filling rock core body to be cast pour into cast material, until the cast material fills The full gap between rock core body to be cast and the transparent U-shaped crystal groove, after fully solidification 13h is carried out at room temperature so that The friable core is able to preserve for a long time;
Wherein, described adopting prepares with the following method, take respectively 1000ml unsaturated polyester resin class polyester resin, The methyl ethyl ketone peroxide of 2.5ml and the cobalt iso-octoate of 1ml, carry out being sufficiently mixed under agitation uniformly obtaining final product.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims (10)

1. the permanent store method of a kind of friable core, it is characterised in that comprise the following steps:
(1) cutting of rock core:Take cylinder type friable core, carry out it is longitudinally cutting after, obtain polished rock core body;
(2) polishing of rock core:The cut surface of the polished rock core body is polished, is obtained with the to be poured of smooth cut surface Casting rock core body;
(3) placement of the rock core body to be cast in transparent U-type groove:The cutting level of facing down of the rock core body to be cast is put Put, in the outer surface arc bottom both sides of the rock core body to be cast, the multiple points of selection place adhesive glue micelle;Transparent U-type groove is taken to fall It is buckled on the rock core body to be cast, and makes the adhesive glue micelle on the rock core external surface to be cast transparent U-shaped with described The cell wall of groove is fully contacted, and after the adhesive glue fully solidifies, obtains filling the transparent U-type groove of rock core body to be cast;
(4) cast:The positive placement of transparent U-type groove of rock core body to be cast will be filled step (3) Suo Shu, so that the rock to be cast The cut surface level of heart body upward, the transparent U-type groove for filling rock core body to be cast pour into cast material, until institute Cast material is stated full of the gap between rock core body to be cast and the transparent U-type groove, fully after solidification so that described easy Detritus gains in depth of comprehension preserving for a long time.
2. the permanent store method of friable core according to claim 1, it is characterised in that in step (1), from the circle Carried out at the 1/3 of the cross-sectional diameter of cylinder-type friable core longitudinally cutting.
3. the permanent store method of friable core according to claim 1, it is characterised in that in step (1), from the circle Carried out at the 1/2 of the cross-sectional diameter of cylinder-type friable core longitudinally cutting.
4. the permanent store method of friable core according to claim 1, it is characterised in that in step (2), is carried out described What is polished comprises the following steps that:
(S1) one-level polishing is carried out to the folding face on the polished rock core body cut surface using first order polished silicon wafer, is obtained Coagulation rock core body with flat cut face;
(S2) the concavo-convex position on the coagulation rock core body cut surface is carried out at two grades of polishings using second level polished silicon wafer Reason, obtains two stage treatment rock core body;
(S3) three-level polishing is carried out to the cut on the two stage treatment rock core body cut surface using third level polished silicon wafer, is obtained To tertiary treatment rock core body;
(S4) level Four polishing is carried out to the tertiary treatment rock core body cut surface using fourth stage polished silicon wafer, obtains the tool There is the rock core body to be cast of smooth cut surface;
The first order polished silicon wafer, second level polished silicon wafer, third level polished silicon wafer, the mesh number of fourth stage polished silicon wafer increase successively.
5. the permanent store method of friable core according to claim 4, it is characterised in that the first order polished silicon wafer, Second level polished silicon wafer, third level polished silicon wafer, the mesh number of fourth stage polished silicon wafer are followed successively by 400 mesh, 600 mesh, 800 mesh and 1000 mesh.
6. the permanent store method of friable core according to claim 4, it is characterised in that the first order polished silicon wafer, Second level polished silicon wafer, third level polished silicon wafer, the mesh number of fourth stage polished silicon wafer are followed successively by 400 mesh, 800 mesh, 1000 mesh and 1500 mesh.
7. the permanent store method of friable core according to claim 4, it is characterised in that the first order polished silicon wafer, Second level polished silicon wafer, third level polished silicon wafer, the mesh number of fourth stage polished silicon wafer are followed successively by 600 mesh, 1000 mesh and 1500 mesh and 2000 Mesh.
8. the permanent store method of friable core according to claim 1, it is characterised in that described transparent in step (3) U-type groove is crystal groove;6-8 point of selection places the adhesive glue micelle, and the adhesive glue is stone cloud glue;The adhesive glue it is solidifying Gu the time is 2-4h.
9. the permanent store method of friable core according to claim 1, it is characterised in that in step (4), the casting Material is adopted and prepared with the following method, according to volume ratio 1000:2-3:1 takes resin glue, curing agent and accelerator, in stirring bar Carry out being sufficiently mixed uniformly under part, obtain final product the cast material.
10. the permanent store method of friable core according to claim 9, it is characterised in that the resin glue is insatiable hunger With polyester resin polyester resin, the curing agent is methyl ethyl ketone peroxide, and the accelerator is cobalt iso-octoate;The cast material Solidification 12-14h is carried out at room temperature.
CN201710244270.0A 2017-04-14 2017-04-14 A kind of permanent store method of friable core Expired - Fee Related CN106898222B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108181128A (en) * 2018-01-02 2018-06-19 中国石油天然气股份有限公司 The method and apparatus for drilling through friable core
CN108414314A (en) * 2018-03-06 2018-08-17 国土资源实物地质资料中心 Unconsolidated core section preparation and preparation method thereof
CN108535040A (en) * 2018-03-06 2018-09-14 国土资源实物地质资料中心 Unconsolidated core section preparation and preparation method thereof
CN110186730A (en) * 2019-06-10 2019-08-30 自然资源实物地质资料中心 Unconsolidated core sample and preparation method thereof
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CN111601946A (en) * 2017-12-27 2020-08-28 沙特阿拉伯石油公司 Apparatus and method for in situ stabilization of unconsolidated sediments in core samples
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