CN109869117A - Sealing of hole plug for drilling and the method to drilling progress sealing of hole - Google Patents
Sealing of hole plug for drilling and the method to drilling progress sealing of hole Download PDFInfo
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- CN109869117A CN109869117A CN201910217635.XA CN201910217635A CN109869117A CN 109869117 A CN109869117 A CN 109869117A CN 201910217635 A CN201910217635 A CN 201910217635A CN 109869117 A CN109869117 A CN 109869117A
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- sealing
- drilling
- hole
- bentonite
- hole plug
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses a kind of sealing of hole plug for drilling and the method for carrying out sealing of hole to drilling, which includes: clamper and the bentonite in lump by bentonite compacting, and clamper is for gripping bentonite in lump.Under conditions of sealing of hole plug in the present invention can be full of underground water in drill very deep, bore diameter very little and hole, it is placed into the rock stability position of aqueous crack or more two sides, bentonite water swelling blocks drilling, and underground reservoir is prevented to pass through the connection that drills.Method for sealing in the present invention places sealing of hole plug in the borehole, other positions casting concrete, the bentonite in lump of sealing of hole plug expands so that drilling is lasting, effectively seals against, pour material play a part of filter and support sealing of hole plug, the method for sealing can persistently, efficiently control radionuclide along drilling migration.
Description
Technical field
The invention belongs to radioactive-waste disposal field of engineering technology, and in particular to a kind of sealing of hole plug for drilling and right
The method that drilling carries out sealing of hole.
Background technique
Radioactive waste geological disposal forms barrier system by engineering barrier and natural barrier, and influence people is contained in isolation
The disposal options that the radionuclide of class health is migrated to environment for human survival.Survey early period of disposal site can dispose lane
Drilling is formed on country rock near road, destroys the ability of natural barrier retardance nucleic migration.Within the time of centuries, once work
Journey barrier failure, radionuclide can rapidly enter each aqueous crack by these drillings, eventually enter into biosphere, make
At the destruction of ecological environment.Therefore, by these, drilling is lasting, effectively seals against, and is of great significance.
The sealing of hole of disposal site exploratory hole mainly prepares cement slurry using adding a certain amount of bentonite in cement at this stage
It is backfilled.It is easy to operate with cement slurry sealing of hole, but the main backfilling material that this method uses is cement, and cement is vulnerable to chemistry
Corrode and fail, durability is difficult to ensure.
Summary of the invention
It is a kind of for boring the technical problem to be solved by the present invention is to aiming at the above shortcomings existing in the prior art, provide
The sealing of hole plug in hole and the method for carrying out sealing of hole to drilling, the sealing of hole plug can prevent underground reservoir from passing through drilling connection.
It solves technical solution used by present invention problem and is to provide a kind of sealing of hole plug for drilling, comprising: folder
Holder and the bentonite in lump suppressed by bentonite, clamper is for gripping bentonite in lump.Bentonite is sodium bentonite.
Preferably, clamper includes: bottom plate, connecting rod, top cover, and the both ends of connecting rod are separately connected bottom plate, top cover, swollen
Be provided with bentonite in lump through-hole on profit soil block, connecting rod passes through bentonite in lump through-hole, and bentonite in lump be located at bottom plate and top cover it
Between.
Preferably, bottom plate, top cover material be plastics or stainless steel.
Preferably, the diameter of top cover, the diameter of bottom plate are 2mm smaller than boring aperture.
Preferably, bentonite in lump is cylindrical shape, and bentonite in lump through-hole is set to the central axis of cylindrical body.
Preferably, bottom plate is fixedly connected with the connecting rod, and top cover is detachably connected with connecting rod.
Preferably, top cover is clamping with connecting rod detachable connection method or is spirally connected.
Preferably, top cover includes: top plate and the grasping part that is set on top plate, and grasping part hangs in drilling for sealing of hole plug
It is grasped when middle.
Preferably, grasping part includes: grasping part ontology, the grasping part first end for being set to grasping part ontology both ends, grabs
Hold portion's second end, grasping part first end, grasping part second end are connect with top plate far from the one side of bottom plate respectively, grasping part ontology with
There is grip hole between top plate.
Preferably, the density of bentonite in lump is not less than 1900kg/m3。
Preferably, bentonite in lump is at least five.
Preferably, the height of bentonite in lump is 30~80mm, and the height of connecting rod is 0.8~1.2m.
Preferably, the diameter of bentonite in lump is 2mm smaller than boring aperture.
Preferably, the sealing of hole plug for drilling further include: the organic resin for being set to bentonite in lump surface applies
Layer, organic resin coating can be dissolved in water.
Preferably, organic resin coating with a thickness of 0.3~0.5mm.
The present invention provides a kind of method for carrying out sealing of hole to drilling using above-mentioned sealing of hole plug, comprising the following steps:
1) material will be poured to pour to the default position for placing sealing of hole plug；
2) after pouring material hardening, at least five sealing of hole plug is placed；
3) its interior gap between drilling is filled up in the bentonite in lump water swelling in sealing of hole plug；
4) repeat step 1)~3) until close to earth's surface drilling can all with pour material backfill.
Preferably, the position of the default placement sealing of hole plug in the step 1) is two cracks in the rock stratum reconnoitred
Between complete rock stratum in.
Preferably, if the distance between adjacent crack in the rock stratum reconnoitred in the step 1) be less than it is preset away from
From then placing sealing of hole plug in the complete rock stratum of the two sides up and down in big crack using adjacent crack as a big crack.
Preferably, it is that concrete can also pour to improve the durability of concrete that material is poured in the step 1)
The aggregate and/or additive of concrete are added when building.
Preferably, the aggregate of concrete is quartz, and additive is silicon powder.
Drilling of the method for sealing for radioactive waste middle deep and deep geological disposal field in the present invention carries out sealing of hole.
Under conditions of sealing of hole plug in the present invention can be full of underground water in drill very deep, bore diameter very little and hole,
It is placed into the rock stability position of aqueous crack or more two sides, bentonite water swelling blocks drilling, prevents underground reservoir logical
Cross drilling connection.Method for sealing in the present invention places sealing of hole plug in the borehole, other positions casting concrete, sealing of hole plug it is swollen
Profit soil block expand so that drilling persistently, effectively seal against, pour material play a part of filtering and support sealing of hole plug, the method for sealing
Can persistently, efficiently control radionuclide along drilling migration.
Detailed description of the invention
Fig. 1 is the overall model for the method that sealing of hole plug in the embodiment of the present invention 2 carries out sealing of hole to drilling；
The structural schematic diagram of sealing of hole plug in Fig. 2 embodiment of the present invention 2；
The structural schematic diagram of bentonite in lump in Fig. 3 embodiment of the present invention 2；
The structural schematic diagram of clamper in Fig. 4 embodiment of the present invention 2；
The structural schematic diagram of top cover in Fig. 5 embodiment of the present invention 2；
The partial cutaway view of top cover in Fig. 6 embodiment of the present invention 2；
The structural schematic diagram of bottom plate and connecting rod in Fig. 7 embodiment of the present invention 2；
The partial enlarged view of connecting rod in Fig. 8 embodiment of the present invention 2；
The partial enlarged view of bottom plate and connecting rod in Fig. 9 embodiment of the present invention 2.
In figure: 1- sealing of hole plug；2- pours material；3- clamper；4- bentonite in lump；5- organic resin coating；6- top cover；7-
Bentonite in lump through-hole；The grasping part 8- ontology；9- top plate；10- screw hole；11- screw thread；12- connecting rod；13- bottom plate；The crack 14-；
The grasping part 15- first end；The grasping part 16- second end；17- recessed portion.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, with reference to the accompanying drawing and specific embodiment party
Present invention is further described in detail for formula.
The embodiment of this patent is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining this patent, and cannot be understood as a limitation of this patent.
Embodiment 1
The present embodiment provides a kind of sealing of hole plugs for drilling, comprising: clamper and the bentonite in lump suppressed by bentonite,
Clamper is for gripping bentonite in lump.
The present embodiment provides a kind of methods for carrying out sealing of hole to drilling using above-mentioned sealing of hole plug, comprising the following steps:
1) casting concrete is to the default position for placing sealing of hole plug, in order to improve the durability of concrete, the bone of concrete
Material is the good quartz of gradation, mixes silicon powder in concrete；
2) after pouring material hardening, at least five sealing of hole plug is placed；
3) its interior gap between drilling is filled up in the bentonite in lump water swelling in sealing of hole plug；
4) repeat step 1)~3) until close to earth's surface drilling can all with pour material backfill.
Sealing of hole plug in the present embodiment can be full of the condition of underground water in drill very deep, bore diameter very little and hole
Under, it is placed into the rock stability position of aqueous crack or more two sides, bentonite water swelling blocks drilling, prevents underground reservoir
Pass through the connection that drills.Method for sealing in the present embodiment places sealing of hole plug, other positions casting concrete, sealing of hole plug in the borehole
Bentonite in lump expand so that drilling persistently, effectively seal against, pour material play a part of filtering and support sealing of hole plug, the sealing of hole
Method can persistently, efficiently control radionuclide along drilling migration.
Embodiment 2
As shown in Fig. 2~9, the present embodiment provides a kind of sealing of hole plugs 1 for drilling, comprising: clamper 3 and by bentonite
The bentonite in lump 4 of compacting, clamper 3 is for gripping bentonite in lump 4.Bentonite is sodium bentonite.
It should be noted that the clamper 3 in the present embodiment includes: bottom plate 13, connecting rod 12, top cover 6, connecting rod 12
Both ends are separately connected bottom plate 13, top cover 6, and bentonite in lump through-hole 7 is provided on bentonite in lump 4, and connecting rod 12 passes through bentonite in lump
Through-hole 7, and bentonite in lump 4 is between bottom plate 13 and top cover 6.
Preferably, bottom plate 13, top cover 6 material be plastics or stainless steel.Specifically, bottom plate 13 in the present embodiment,
The material of top cover 6 is plastics, and the diameter of top cover 6 and bottom plate 13 is 2mm smaller than boring aperture.
It should be noted that the bentonite in lump 4 in the present embodiment is cylindrical shape, bentonite in lump through-hole 7 is set to cylinder
The central axis of body.
Sodium bentonite, abbreviation bentonite, it is a kind of ideal sealing material.Variable volume after the complete aquation of bentonite
It is original several times to 30 times, impermeability is strong.When bentonitic density is sufficiently large, even if being chemically reacted, sun from
Son is converted, and permeability will not obviously increase, it is ensured that drilling it is lasting, effectively seal against.But middle deep
And the drilling of deep geological disposal field not only diameter is small, depth it is big (general diameter is 76mm~130mm, depth up to hundreds of meters),
And underground water is full of in hole more, it is difficult will to dry, closely knit bentonite is placed into designated position, it is also difficult to swelling in hole
Soil carries out closely knit.Bentonite in lump 4 in the present embodiment is gripped by clamper 3, can be put into middle deep and deep ground
In the exploratory hole of matter disposal site, exploratory hole is to drill.
It should be noted that the bottom plate 13 in the present embodiment is fixedly connected with connecting rod 12, top cover 6 and connecting rod 12 are removable
Unload connection.
It should be noted that the top cover 6 in the present embodiment includes: top plate 9 and the grasping part that is set on top plate 9, grasping
Portion is grasped when hanging in drilling for sealing of hole plug 1.
It should be noted that the grasping part in the present embodiment includes: grasping part ontology 8, is set to 8 both ends of grasping part ontology
Grasping part first end 15, grasping part second end 16, grasping part first end 15, grasping part second end 16 are separate with top plate 9 respectively
The one side of bottom plate 13 connects, and has grip hole between grasping part ontology 8 and top plate 9.Specifically, the top cover 6 in the present embodiment is also
Include: the screw hole 10 for being set to 9 lower section of top plate, is set to the recessed portion 17 of 9 top of top plate, grasping part is set to recessed portion 17
It is interior, and grasping part first end 15, grasping part second end 16 are connect with recessed portion 17 respectively, grasping part ontology 8 and recessed portion 17 it
Between gap form grip hole, specifically, grasping part in the present embodiment is cross bar.It is hung in exploratory hole when by sealing of hole plug 1
When, sealing of hole plug 1 can will be hung in exploratory hole by cross bar, specifically, brill can be connected to openable and closable mechanical arm
Boom end, mechanical arm catch cross bar, and sealing of hole plug 1 is put into drilling by drilling rod.The diameter of top plate 9 is smaller than exploratory hole (drilling)
2mm。
It should be noted that the density of the bentonite in lump 4 in the present embodiment is not less than 1900kg/m3。
Preferably, bentonite in lump 4 is at least five.Specifically, the bentonite in lump in the present embodiment is 20.
Preferably, the height of bentonite in lump is 30~80mm, and the height of connecting rod is 0.8~1.2m.Specifically, this reality
The height for applying bentonite in lump 4 in example is 50mm, and diameter is 1m than the small 2mm that drills, the height of connecting rod 12.Specifically, this implementation
Example in the connecting rod 12 of a sealing of hole plug 1 go here and there 20 bentonite in lump 4, drilling place 10~15 sealing of hole plugs 1.This implementation
The outer diameter of bentonite in lump 4 in example is 2mm smaller than the aperture of exploratory hole, and the through-hole diameter of bentonite in lump 4 is 9mm.Specifically, connection
Bar 12 is used for across bentonite in lump 4, and the length of connecting rod 12 is 1m, and the diameter of connecting rod 12 is 8mm, and the top of connecting rod 12 has
Screw thread 11 is used for and the screw hole 10 of top cover 6 is spirally connected.
It should be noted that the sealing of hole plug 1 for drilling in the present embodiment further include: be set to 4 surface of bentonite in lump
Organic resin coating 5, organic resin coating 5 can be dissolved in water, and organic resin dissolution needs the time, and sealing of hole plug 1 hangs onto brill
It will not be completely dissolved during in hole, after placing, organic resin is slowly dissolved, bentonite water swelling.Organic resin applies
Layer 5 prevents during hanging bentonite in lump 4 into exploratory hole, bentonite in lump 4 is rushed by underground water for protecting bentonite in lump 4
Erosion.Specifically, the organic resin coating 5 in the present embodiment is brushed in 4 surface of bentonite in lump, with a thickness of 0.5mm.
Due to exploratory hole hole wall to bentonite in lump 4 scraping loss and organic resin coating 5 itself defect, You Jishu
Rouge coating 5 is impossible completely by bentonite in lump 4 and underground water segregation, therefore at the beginning of bentonite in lump 4 is placed into default placement location
Phase, organic resin coating 5 will not prevent 4 water swelling of bentonite in lump from blocking exploratory hole, after later period organic resin coating 5 dissolves,
Bentonite in lump 4 is by further water swelling.
Preferably, organic resin coating 5 with a thickness of 0.3~0.5mm.Specifically, the organic resin in the present embodiment
Coating 5 with a thickness of 0.5mm.
Specifically, the sealing of hole plug 1 in the present embodiment is for surveying in radioactive waste middle deep and deep geological disposal field
Inspecting hole carries out sealing of hole.
As shown in Figure 1, the present embodiment provides a kind of methods for carrying out sealing of hole using 1 pair of sealing of hole plug above-mentioned drilling, including
Following steps:
1) 2 pea gravel concreten of material will be poured to pour to the default position for placing sealing of hole plug 1, presets and places sealing of hole plug 1
Position is in the complete rock stratum between two cracks 14 in the rock stratum reconnoitred, if nearby rock stratum is relatively broken for the partial hole of exploratory hole
Broken, fracture interval is closer, and the distance between adjacent crack 14 in the rock stratum reconnoitred is less than preset distance, then this is adjacent
Crack 14 is used as one big crack 14, and sealing of hole plug 1 is placed in the complete rock stratum of the two sides up and down in big crack 14.It is default to place envelope
The position of stopple 1 is before sealing of hole construction according to the position of rock stratum complete between the prospecting data-gathering rock stratum crack Zhong Liangge 14.It pours
Building material is concrete, and in order to improve the durability of concrete, the aggregate and/or additive of concrete are also added when pouring.
Specifically, the aggregate of concrete is quartz, additive is silicon powder.
2) after pouring the hardening of material 2, at least five sealing of hole plug 1 is placed.Specifically, two in the present embodiment in rock stratum
10~15 envelopes are continuously placed in complete rock stratum between crack 14 (alternatively, in the complete rock stratum of the two sides up and down in big crack 14)
Stopple 1.The effect of sealing of hole plug 1 is to block underground water, prevent aqueous crack 14 from passing through exploratory hole connection.Specifically, pouring material 2
After hardening, other than playing sealing of hole, also acts as " filter " and supports the effect of sealing of hole plug 1, bentonite clay particle is prevented to be lost,
Support sealing of hole plug 1 is in the default position for placing sealing of hole plug 1.The proportion for pouring the formula of material 2 should be according to exploration hole depth, aperture
It is tests determined with the factors such as ion component contained in underground water；In order to improve the durability of concrete, the aggregate of concrete is
Gradation good quartz mixes silicon powder in concrete.
3) its interior gap between drilling is filled up in 4 water swelling of bentonite in lump in sealing of hole plug 1；
4) repeat step 1)~3) until close to earth's surface drilling can all with pour material 2 backfill.
Drilling of the method for sealing for radioactive waste middle deep and deep geological disposal field in the present embodiment is sealed
Hole.
Sealing of hole plug 1 in the present embodiment can be full of the condition of underground water in drill very deep, bore diameter very little and hole
Under, it is placed into the rock stability position of aqueous about 14 two sides of crack, bentonite water swelling blocks drilling, prevents underground aqueous
Layer passes through drilling connection.Method for sealing in the present embodiment places sealing of hole plug 1, other positions casting concrete, envelope in the borehole
The bentonite in lump 4 of stopple 1 expand so that drilling persistently, effectively seal against, pour material 2 and play filtering and support the work of sealing of hole plug 1
With, the method for sealing can persistently, efficiently control radionuclide along drilling migration.
Embodiment 3
The present embodiment provides a kind of sealing of hole plugs for drilling, the difference with the sealing of hole plug in embodiment 2 are as follows:
The height of bentonite in lump in the present embodiment is 30mm, and the height of connecting rod is 0.8m.
Organic resin coating in the present embodiment with a thickness of 0.3mm.
The present embodiment provides a kind of differences of the method for sealing in method for sealing, with embodiment 2 are as follows:
The material that pours in method for sealing in the present embodiment is concrete, and is not added with aggregate and additive.
Embodiment 4
The present embodiment provides a kind of sealing of hole plugs for drilling, the difference with the sealing of hole plug in embodiment 2 are as follows:
The height of bentonite in lump in the present embodiment is 80mm, and the height of connecting rod is 1.2m.
Organic resin coating in the present embodiment with a thickness of 0.4mm.
The present embodiment provides a kind of differences of the method for sealing in method for sealing, with embodiment 2 are as follows:
It is that concrete can also the addition when pouring in order to improve the durability of concrete that material is poured in the step 1)
The aggregate of concrete, aggregate are the good quartz of gradation.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (14)
1. a kind of sealing of hole plug for drilling characterized by comprising clamper and the bentonite in lump suppressed by bentonite, folder
Holder is for gripping bentonite in lump.
2. it is according to claim 1 for drilling sealing of hole plug, which is characterized in that clamper include: bottom plate, connecting rod,
Top cover, the both ends of connecting rod are separately connected bottom plate, top cover, and bentonite in lump through-hole is provided on bentonite in lump, and connecting rod passes through swollen
Moisten soil block through-hole, and bentonite in lump is between bottom plate and top cover.
3. the sealing of hole plug according to claim 2 for drilling, which is characterized in that bottom plate is fixedly connected with the connecting rod, top
Lid is detachably connected with connecting rod.
4. the sealing of hole plug according to claim 2 or 3 for drilling, which is characterized in that top cover includes: top plate and is set to
Grasping part on top plate, grasping part are grasped when hanging in drilling for sealing of hole plug.
5. the sealing of hole plug according to claim 4 for drilling, which is characterized in that grasping part includes: grasping part ontology, sets
Be placed in grasping part first end, the grasping part second end at grasping part ontology both ends, grasping part first end, grasping part second end respectively with
Top plate is connected far from the one side of bottom plate, has grip hole between grasping part ontology and top plate.
6. according to claim 1~3, the sealing of hole plug described in 5 any one for drilling, which is characterized in that bentonite in lump
Density is not less than 1900kg/m3。
7. according to claim 1~3, the sealing of hole plug described in 5 any one for drilling, which is characterized in that bentonite in lump is
At least five.
8. it is according to claim 2 for drilling sealing of hole plug, which is characterized in that the height of bentonite in lump be 30~
80mm, the height of connecting rod are 0.8~1.2m.
9. according to claim 1~3, the sealing of hole plug described in 5,8 any one for drilling, which is characterized in that further include: it sets
It is placed in the organic resin coating on bentonite in lump surface, organic resin coating can be dissolved in water.
10. it is according to claim 9 for drilling sealing of hole plug, which is characterized in that organic resin coating with a thickness of 0.3
~0.5mm.
11. a kind of method for carrying out sealing of hole to drilling using sealing of hole plug described in claim 1~10 any one, feature exist
In, comprising the following steps:
1) material will be poured to pour to the default position for placing sealing of hole plug；
2) after pouring material hardening, at least five sealing of hole plug is placed；
3) its interior gap between drilling is filled up in the bentonite in lump water swelling in sealing of hole plug；
4) repeat step 1)~3) until close to earth's surface drilling can all with pour material backfill.
12. the method for sealing of hole according to claim 11, which is characterized in that the default placement sealing of hole plug in the step 1)
Position be in complete rock stratum between two cracks in the rock stratum reconnoitred.
13. the method for sealing of hole according to claim 12, which is characterized in that if in the rock stratum reconnoitred in the step 1)
Adjacent crack between distance be less than preset distance, then using adjacent crack as a big crack, big crack up and down
Sealing of hole plug is placed in the complete rock stratum of two sides.
14. the method for sealing of hole described in 1~13 any one according to claim 1, which is characterized in that poured in the step 1)
Material is concrete, and in order to improve the durability of concrete, the aggregate and/or additive of concrete can be also added when pouring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910217635.XA CN109869117A (en) | 2019-03-21 | 2019-03-21 | Sealing of hole plug for drilling and the method to drilling progress sealing of hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910217635.XA CN109869117A (en) | 2019-03-21 | 2019-03-21 | Sealing of hole plug for drilling and the method to drilling progress sealing of hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109869117A true CN109869117A (en) | 2019-06-11 |
Family
ID=66921047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910217635.XA Pending CN109869117A (en) | 2019-03-21 | 2019-03-21 | Sealing of hole plug for drilling and the method to drilling progress sealing of hole |
Country Status (1)
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| CN (1) | CN109869117A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4919989A (en) * | 1989-04-10 | 1990-04-24 | American Colloid Company | Article for sealing well castings in the earth |
| US5657822A (en) * | 1995-05-03 | 1997-08-19 | James; Melvyn C. | Drill hole plugging method utilizing layered sodium bentonite and liquid retaining particles |
| JP2000064764A (en) * | 1998-08-21 | 2000-02-29 | Nobuo Nakayama | Water barrier device for boring hole and water barrier method using the device |
| NL1010059C2 (en) * | 1998-09-10 | 2000-03-15 | Eijkelkamp Agrisearch Equip Bv | Dip stick and sampling assembly sunk into earth to measure height of water table or take samples, uses bentonite sleeves around central pipe |
| CA2413136A1 (en) * | 2002-11-28 | 2004-05-28 | Victory Plastics Ltd. | Method and device for sealing boreholes |
| CN103221631A (en) * | 2010-09-15 | 2013-07-24 | 莱斯矿业发展控股有限公司 | Drill hole plug |
| CN104196488A (en) * | 2014-08-11 | 2014-12-10 | 姚燕明 | Underwater exploratory hole sealing technology |
| CN207862868U (en) * | 2018-01-22 | 2018-09-14 | 中国水利水电第八工程局有限公司 | It is a kind of to hang seal apparatus for what inspection hole blocked |
-
2019
- 2019-03-21 CN CN201910217635.XA patent/CN109869117A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4919989A (en) * | 1989-04-10 | 1990-04-24 | American Colloid Company | Article for sealing well castings in the earth |
| US5657822A (en) * | 1995-05-03 | 1997-08-19 | James; Melvyn C. | Drill hole plugging method utilizing layered sodium bentonite and liquid retaining particles |
| JP2000064764A (en) * | 1998-08-21 | 2000-02-29 | Nobuo Nakayama | Water barrier device for boring hole and water barrier method using the device |
| NL1010059C2 (en) * | 1998-09-10 | 2000-03-15 | Eijkelkamp Agrisearch Equip Bv | Dip stick and sampling assembly sunk into earth to measure height of water table or take samples, uses bentonite sleeves around central pipe |
| CA2413136A1 (en) * | 2002-11-28 | 2004-05-28 | Victory Plastics Ltd. | Method and device for sealing boreholes |
| CN103221631A (en) * | 2010-09-15 | 2013-07-24 | 莱斯矿业发展控股有限公司 | Drill hole plug |
| CN104196488A (en) * | 2014-08-11 | 2014-12-10 | 姚燕明 | Underwater exploratory hole sealing technology |
| CN207862868U (en) * | 2018-01-22 | 2018-09-14 | 中国水利水电第八工程局有限公司 | It is a kind of to hang seal apparatus for what inspection hole blocked |
Non-Patent Citations (1)
| Title |
|---|
| 侯伟 等: "我国高放废物地下实验室处置工艺现场试验初步探讨", 《工业建筑》 * |
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