CN106593398A - Press-in type isolation well-building method - Google Patents
Press-in type isolation well-building method Download PDFInfo
- Publication number
- CN106593398A CN106593398A CN201611204090.1A CN201611204090A CN106593398A CN 106593398 A CN106593398 A CN 106593398A CN 201611204090 A CN201611204090 A CN 201611204090A CN 106593398 A CN106593398 A CN 106593398A
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- Prior art keywords
- trocar sheath
- building method
- soil body
- cylinder
- well
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000002955 isolation Methods 0.000 title claims abstract description 28
- 239000002689 soil Substances 0.000 claims abstract description 55
- 238000012544 monitoring process Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000005070 sampling Methods 0.000 claims abstract description 10
- 238000005553 drilling Methods 0.000 claims description 28
- 239000003673 groundwater Substances 0.000 claims description 21
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910000278 bentonite Inorganic materials 0.000 claims description 3
- 239000000440 bentonite Substances 0.000 claims description 3
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- 239000006004 Quartz sand Substances 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 230000003028 elevating effect Effects 0.000 description 6
- 238000011835 investigation Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 238000011109 contamination Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/30—Specific pattern of wells, e.g. optimising the spacing of wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/081—Obtaining fluid samples or testing fluids, in boreholes or wells with down-hole means for trapping a fluid sample
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a press-in type isolation well-building method. The press-in type isolation well-building method is characterized by comprising the following steps that an outer sleeve is pressed into a soil body by a well-building depth, and the portion, in the outer sleeve, of the soil body is cleared away; an underground water monitoring well pipe is placed in the outer sleeve; and then the outer sleeve is lifted up to get away from the soil body, and a water sample is taken through the underground water monitoring pipe after underground water restores. The press-in type isolation well-building method has the advantages that the well can be quickly built, pollution can be effectively isolated, and pollution dispersal caused by connection of inner water and outer water in the well building process is prevented; and compared with a traditional sampling well-building method, the sampling well-building method is better in pertinence and has the characteristics of convenient and fast implementation and short implementation cycle.
Description
Technical field
The invention belongs to environmental geotechnical technical field, and in particular to a kind of forced isolation well building method.
Background technology
With developing rapidly for social economy, the level of urbanization is improved constantly, and environmental pollution is but increasingly serious, seriously
Destruction ecosystem, have impact on quality of life of the mankind and healthy.Contaminated site redevelop during, be prevention and
The construction place ecological accidents for controlling soil and underground water pollution and causing and construction project security incident, comprehensive and accurate field
Ground investigation seems particularly significant.
At present, contaminated site investigation relies primarily on the equipment such as 30 type rigs, hundred meters of rigs and Geoprobe rigs, is boring
If during, the said equipment may bring the pollution of top layer or shallow-layer into deep layer, not accomplish pollution isolation, in site investigation
During need to carry out large area drill sampling, if do not take effective measures carrying out staged isolation, can make in place pollute
Diffusion, subregion produces secondary pollution.
And at this stage, seldom can accomplish during site investigation work is carried out both at home and abroad pollution isolation, effectively every
From the accuracy and the protection to environment that are conducive to investigating, so needing a kind of contaminated site probing side for preventing secondary pollution badly
Method, the invention of the method is conducive to ensureing the accuracy of site investigation work and effectively prevents the intersection during site investigation dirty
Dye, the contamination caused in effective control fact-finding process, and fast and effectively realize the integration that water and soil is sampled.
The content of the invention
The purpose of the present invention is according to above-mentioned the deficiencies in the prior art part, there is provided a kind of forced isolation well building method,
The well building method is polluted and rapid mine shaft construction by way of press-in trocar sheath in advance with being effectively isolated.
The object of the invention is realized being completed by technical scheme below：
A kind of forced isolation well building method, it is characterised in that the well building method is comprised the following steps：By trocar sheath press-in
Shaft building depth into the soil body, empties the soil body in the trocar sheath；A groundwater monitoring well casing is placed in the trocar sheath,
Afterwards the soil body is opened in lift-off on the trocar sheath, treat that subsoil water recovers the water sampling in the groundwater monitoring well casing.
After by after the soil body is opened in lift-off on the trocar sheath, in the groundwater monitoring well casing and the gap on the outside of it between the soil body
In insert quartz sand as drainage layer, and insert clay ball or bentonite as sealing layer.
An isolation shaft building system is provided with ground, the isolation shaft building system includes packaged type platform, described removable
Two groups of vertically arranged cylinder systems are provided with dynamic formula platform, it is horizontal by level between cylinder system described in two groups
Beam connects, and rotary power unit is provided with the horizontal gird, coaxially detachable on the rotary power unit to be provided with
The trocar sheath and the drilling rod in the trocar sheath or groundwater monitoring well casing.
Press-in of the trocar sheath in the soil body or above carry is driven by the cylinder system.
In the trocar sheath is emptied during the soil body, the drilling rod front end portion is provided with Qing Tu mechanisms, the clear soil
Mechanism is the inner tube sampler or the drill bit with helical blade being adapted with the outer sleeve inner wall face, the rotary power dress
Put and drive the Qing Tu mechanisms on the drilling rod to be drilled down into the trocar sheath bottom, reversely rotate carry described afterwards
Qing Tu mechanisms to empty the trocar sheath in the soil body.
Said inner tube sampler is pressed sampler, an including hollow cylinder that fetches earth, the front end of the cylinder that fetches earth
There is fetch earth mouth, rearward end of taper to have a threaded rod in portion, and the threaded rod is used to be carried out detachably with the drilling rod for driving its drilling
Formula connects, and the external diameter of the cylinder that fetches earth is adapted with the overcoat bore, wherein, fit on wall in the soil sample barrel body
It is provided with a slim reel.
Said inner tube sampler is spiral sampler, an including hollow cylinder that fetches earth, the front end of the cylinder that fetches earth
There is fetch earth mouth, rearward end of taper to have a threaded rod in portion, and the threaded rod is used to be carried out detachably with the drilling rod for driving its drilling
Formula connects, wherein, there is helical blade, the external diameter of the helical blade and the trocar sheath on the external wall of the soil sample barrel
Internal diameter is adapted, and laminating is provided with a slim reel on wall in the soil sample barrel body.
Be provided with spacing bracket on the horizontal gird, the spacing bracket be installed on the rotary power unit just under
Side, has the pilot hole being adapted with the trocar sheath in the spacing bracket；When trocar sheath described in spreading is needed, institute is released
The connection between trocar sheath and the rotary power unit is stated, in the case where the cylinder system drives on the horizontal gird
Rise, next section trocar sheath penetrated into from bottom to top the pilot hole, clamping apparatus are set in the overcoat pipe outer wall with
Make its interim support that the connection between the trocar sheath and the rotary power unit is completed on the pilot hole, afterwards.
Have on the packaged type platform and be available for the through hole that the trocar sheath and the drilling rod are passed through.
It is an advantage of the invention that being capable of achieving rapid mine shaft construction and being effectively isolated pollution, the inside and outside waterpower during shaft building is prevented
Contact is so that contamination；Relative to traditional sampling well building method, the sampling well building method has more specific aim, with enforcement just
The characteristics of victory, cycle is short.
Description of the drawings
Fig. 1 is that trocar sheath is pressed into into the soil body into the schematic diagram of shaft building depth in the present invention；
Fig. 2 is the schematic diagram for being emptied the soil body in trocar sheath using inner tube sampler in the present invention；
Fig. 3 is the schematic diagram for being put into groundwater monitoring well casing in the present invention in trocar sheath；
Fig. 4 is the schematic diagram that the present invention is filled with drainage layer and sealing layer in trocar sheath and soil body gap；
Fig. 5 is the structural representation for isolating shaft building system in the present invention；
Fig. 6 is close-up schematic view when trocar sheath carries out spreading in the present invention；
Fig. 7 is to isolate the schematic diagram that two horizontal girds are provided with shaft building system in the present invention；
Fig. 8 is spiral inner tube sampler structure schematic diagram in the present invention；
Fig. 9 is forced inner tube sampler structure schematic diagram in the present invention.
Specific embodiment
Below in conjunction with accompanying drawing the feature and other correlated characteristics of the present invention are described in further detail by embodiment, with
It is easy to the understanding of technical staff of the same trade：
Such as Fig. 1-9, labelling 1-23 is respectively in figure：Drilling rod 1, inner tube sampler 2, trocar sheath 3, groundwater monitoring well casing 4, sealing
Layer 5, drainage layer 6, cylinder system 7, elevating lever 8, fixes sleeve 9, branch sleeve 10, horizontal gird 11, rotary power dress
Put 12, spacing bracket 13, operation bench 14, power set 15, packaged type platform 16, oil pressure line interface 17, crawler belt 18, clamping
Device 19, threaded rod 20, the cylinder 21 that fetches earth, helical blade 22, taper fetch earth mouth 23.
Embodiment：The present embodiment is specifically related to a kind of forced isolation well building method, specifically includes following steps：
（1）As shown in figure 5, arranging a set of isolation shaft building system on the ground of soil and groundwater sampled point, the set isolation is built
Well system has a packaged type platform 16, and packaged type platform 16 moves freely traveling by what crawler belt 18 realized ground on the scene；
Two groups of cylinder systems 7 for keeping at a certain distance away, two groups of hydraulic jack dresses are vertically provided with the packaged type platform 16
Put and connected by horizontal gird 11 between 7, that is to say, that horizontal gird 11 can make synchronization lifting with cylinder system 7；
Additionally, being fixedly installed a rotary power unit 12 on horizontal gird 11, rotary power unit 12 can vertical compression or rotation
Drilling；On rotary power unit 12 have different installation positions, can thereon it is detachable installation trocar sheath 3, drilling rod 1 or
Groundwater monitoring well casing 4, to enable aforesaid trocar sheath 3, drilling rod 1 or groundwater monitoring well casing 4 from packaged type platform
Smoothly injection in the soil body of lower section, accordingly offers a through hole for being available for running through on packaged type platform 16 for 16 tops（In figure
It is not shown）, positioned at the underface of rotary power unit 12；
Aforesaid cylinder system 7 and rotary power unit 12 by pressure line and are arranged on packaged type platform respectively
Operation bench 14 on 16 is connected with power set 15, and operation bench 15 is used to send operational order, and the then basis of power set 15
Operational order to cylinder system 7 or rotary power unit 12 provide corresponding power；
（2）As shown in Figure 1,5, drilling rod 1 and trocar sheath 3 are co-axially mounted on rotary power unit 12, drilling rod 1 is located at trocar sheath 3
In and be in minimum stroke, and inner tube sampler 2 is installed in the leading section of drilling rod 1；Control cylinder system 7 push so as to
Jing horizontal girds 11 drive trocar sheath 3 to be pressed into the specified shaft building depth location into the soil body；
（3）As shown in Fig. 2,5, after trocar sheath 3 is pressed into into the soil body position of shaft building depth, cylinder system 7 stops work
Make, start rotary power unit 12, drive inner tube sampler 2 to be drilled down into the bottom of trocar sheath 3 by drilling rod 1, it is interior afterwards
Pipe sampler 2 reversely rotates again the soil body that belt goes out in trocar sheath 3, above carries to minimum stroke after inner tube sampler 2, makes rotation
Rotate power apparatus 12 and the upper end of trocar sheath 3 and release and be connected, rotation by the drive horizontal gird 11 of cylinder system 7 and thereon
Rotate power apparatus 12 and inner tube sampler 2 is above carried, behind completely out trocar sheath 3 of inner tube sampler 2, the soil body that it is taken out of
Emptied, be completely removed the soil body in trocar sheath 3；
Certainly, in addition to the inner tube sampler 2 in using the present embodiment carries out soil body removing, it is also possible to directly in drilling rod 1
Leading section is provided with the drill bit of helical blade and carries out soil body removing；
（4）As shown in Fig. 3,5, after being removed the soil body in trocar sheath 3 finishes, a ground is installed on rotary power unit 12
Lower water monitoring well casing 4, and be placed in trocar sheath 3, groundwater monitoring well casing 4 can be driven by cylinder system 7
It is that dynamic pressure enters, or by the entrance of the rotating down pressing of rotary power unit 12；
（5）As shown in Figure 4,5, after groundwater monitoring well casing 4 is placed and finished, it is disengaged between rotary power unit 12,
And will be attached between trocar sheath 3 and rotary power unit 12, trocar sheath 3 is slowly extracted by cylinder system 7, now
Groundwater monitoring well casing 4 is only left in the soil body, in the gap between the outside wall surface of groundwater monitoring well casing 4 and the soil body quartz is inserted
Sand is located at depth selection as drainage layer 6, drainage layer 6；Clay or bentonite are inserted as sealing layer 5, sealing layer 5 is located at simultaneously
In the range of non-depth selection in the soil body；
（6）Cleaning groundwater monitoring well casing 4, after subsoil water recovers, underground water sampler is put in groundwater monitoring well casing 4
Depth selection at carry out water sampling.
As shown in Fig. 1,5,6,7, during trocar sheath 3 is pressed into shaft building depth, due to shaft building depth it is larger, it is single
Root trocar sheath 3 cannot disposably arrive at shaft building depth, need to carry out spreading to trocar sheath 3, be to the method for the spreading of trocar sheath 3：
Spacing bracket 13 is provided with horizontal gird 11, spacing bracket 13 can be form as shown in Figure 5,6, or such as Fig. 7
Shown horizontal gird form, spacing bracket 13 is arranged at the underface of rotary power unit 12, and guide hole is offered thereon（In figure
It is not shown）Walk for trocar sheath 3；First segment trocar sheath 3 is released with rotary power unit 12 and is connected, and filled by hydraulic jack
Put 7 driving horizontal gird 11 and rise certain altitude, afterwards second section trocar sheath 3 is penetrated into from bottom to top guide hole, and by outside
Clamping apparatus 19 are arranged in the outside wall surface of sleeve pipe 3 makes its interim support on the edge of the guide hole of spacing bracket 13, consequently facilitating the
Two section trocar sheaths 3 are with the connection between first segment trocar sheath 3 and with the connection between rotary power unit 12, connection to be done
Afterwards, continue to push second section trocar sheath 3.
As shown in Figure 8,9, the inner tube sampler 2 in the present embodiment is used to be taken out the soil body in trocar sheath 3 to empty,
The inner tube sampler 2 can adopt the spiral sampler or pressed sampler of high strength steel, and use two panels
Hinge typed structure, in order to be fetched earth after above carrying, cylinder 21 is split clears the soil body；As shown in figure 8, spiral sampling
Device includes the hollow cylinder 21 that fetches earth, and there is the taper mouth 23, rearward end that fetches earth to have threaded rod 20 for the leading section of the cylinder 21 that fetches earth,
The taper mouth 23 that fetches earth can be conducive to creeping into and fetching earth in the soil body, and threaded rod 20 is then used for the threaded connection between drilling rod 1, its
In, be provided with helical blade 22 in the outside wall surface for fetching earth cylinder 21, the external diameter of helical blade 22 with trocar sheath 3 internal face phase
Adaptation, helical blade 22 is in addition to being easy to drilling, additionally it is possible to from trocar sheath 3 take the soil body out of during convolution is above carried,
And using front, can fit on the internal face of the cylinder 21 that fetches earth and a slim reel is set（Not shown in figure）, the slim volume
Cylinder can be made up of pollution-free and corrosion resistant material, e.g. be formed by iron sheet curling, in the reset procedure that fetches earth, soil
Body will be entered in the slim reel that fetches earth in cylinder 21, when taking the cylinder 21 that fetches earth apart and removing the soil body, only need to be by slim reel
Iron sheet launches, and can avoid the situation that the soil body is piled up by the setting of slim reel, so as to without the need for the cylinder 21 that fetches earth
Internal face be cleaned.As shown in figure 9, pressed sampler includes the hollow cylinder 21 that fetches earth, the front end of the cylinder 21 that fetches earth
There is the taper mouth 23, rearward end that fetches earth to have threaded rod 20 in portion, and the external diameter of the cylinder 21 that fetches earth mutually is fitted with the internal face of trocar sheath 3
Match somebody with somebody, the soil body in all trocar sheaths 3 can be taken out by the cylinder 21 that fetches earth.
As shown in figure 5, the cylinder system 7 in the present embodiment includes fixes sleeve 9, elevating lever 8 and branch sleeve
10, wherein, fixes sleeve 9 is vertically fixedly installed on packaged type platform 16, and elevating lever 8 is arranged in fixes sleeve 9 and erects
Nogata elevating movement upwards, and branch sleeve 10 is then set in the outside of fixes sleeve 9 and mutually consolidates with the top of elevating lever 8
It is fixed, wherein, the shape of branch sleeve 10 and fixes sleeve 9 is not unique, can be circular or square, the two ends tool of horizontal gird 11
Body is fastened in the outside wall surface of branch sleeve 10.The oil pressure line interface 17 of the bottom of elevating lever 8 is used to connect oil pressure line,
To be connected with power set 15 with control device 14 successively by oil pressure line.
Forced isolation well building method has the beneficial effect that in the present embodiment：（1）By being first pressed into trocar sheath and fetching earth, then
The mode of press-in groundwater monitoring well casing, can reach the purpose of rapid mine shaft construction；（2）By the setting of trocar sheath, pollution can be isolated,
The inside and outside hydraulic connection of blocking, prevents from managing interior produced pollution thing during shaft building（Such as machine oil on drilling rod etc.）It is diffused into pipe
Subsoil water is affected in the outer soil body, secondary pollution is caused；（3）By the setting of trocar sheath, collapsing in the work progress of well hole can be prevented
Collapse, there is provided effectively supporting, and quickly removed after the soil body by inner tube sampler in trocar sheath, groundwater monitoring well casing
Very quickly without hindrance can be inserted among trocar sheath, improve construction sampling efficiency.
Claims (9)
1. a kind of forced isolation well building method, it is characterised in that the well building method is comprised the following steps：By a trocar sheath pressure
Enter the shaft building depth into the soil body, empty the soil body in the trocar sheath；A groundwater monitoring well is placed in the trocar sheath
Pipe, opens the soil body by lift-off on the trocar sheath afterwards, treats that subsoil water recovers the water sampling in the groundwater monitoring well casing.
2. a kind of forced isolation well building method according to claim 1, it is characterised in that treat above to carry the trocar sheath
After leaving the soil body, quartz sand is inserted in the gap in the groundwater monitoring well casing and on the outside of it between the soil body as drainage layer, and
Clay ball or bentonite are inserted as sealing layer.
3. a kind of forced isolation well building method according to claim 1 a, it is characterised in that isolation is provided with ground
Shaft building system, the isolation shaft building system includes packaged type platform, is provided with two groups on the packaged type platform and vertically sets
The cylinder system put, is connected between cylinder system described in two groups by horizontal gird, is arranged on the horizontal gird
There is rotary power unit, it is coaxially detachable on the rotary power unit trocar sheath to be installed and positioned at the overcoat
Drilling rod or groundwater monitoring well casing in pipe.
4. a kind of forced isolation well building method according to claim 3, it is characterised in that the trocar sheath is in the soil body
Press-in or above carry driven by the cylinder system.
5. a kind of forced isolation well building method according to claim 3, it is characterised in that in the trocar sheath is emptied
During the soil body, the drilling rod front end portion is provided with Qing Tu mechanisms, and the Qing Tu mechanisms are and outer sleeve inner wall face phase
The inner tube sampler or the drill bit with helical blade of adaptation, the rotary power unit drives the described clear soil on the drilling rod
Mechanism is drilled down into the trocar sheath bottom, is reversely rotated afterwards in carrying the Qing Tu mechanisms to empty the trocar sheath
The soil body.
6. a kind of forced isolation well building method according to claim 1 or 5, it is characterised in that said inner tube sampler is
There is taper to fetch earth mouth, rearward end tool for pressed sampler, including a hollow cylinder that fetches earth, the leading section of the cylinder that fetches earth
There is threaded rod, the threaded rod is used to carry out detachable connection, the external diameter of the cylinder that fetches earth with the drilling rod for driving its drilling
It is adapted with the overcoat bore, wherein, laminating is provided with a slim reel on wall in the soil sample barrel body.
7. a kind of forced isolation well building method according to claim 1 or 5, it is characterised in that said inner tube sampler is
There is taper to fetch earth mouth, rearward end tool for spiral sampler, including a hollow cylinder that fetches earth, the leading section of the cylinder that fetches earth
There is threaded rod, the threaded rod is used to carry out detachable connection with the drilling rod for driving its drilling, wherein, the soil sample barrel is external
There is helical blade, the external diameter of the helical blade is adapted with the internal diameter of the trocar sheath, in the soil sample barrel body on wall
Laminating on wall is provided with a slim reel.
8. a kind of forced isolation well building method according to claim 3, it is characterised in that arrange on the horizontal gird
Limited location bracket, the spacing bracket is installed on the underface of the rotary power unit, has and institute in the spacing bracket
State the pilot hole that trocar sheath is adapted；When trocar sheath described in spreading is needed, release the trocar sheath and fill with the rotary power
Connection between putting, in the case where the cylinder system drives, the horizontal gird rises, by next section trocar sheath under
And on penetrate the pilot hole, in the overcoat pipe outer wall arrange clamping apparatus so that its interim support is in the pilot hole
On, the connection between the trocar sheath and the rotary power unit is completed afterwards.
9. a kind of forced isolation well building method according to claim 3, it is characterised in that on the packaged type platform
With the through hole for being available for the trocar sheath and the drilling rod to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611204090.1A CN106593398B (en) | 2016-12-23 | 2016-12-23 | Press-in type isolation well construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611204090.1A CN106593398B (en) | 2016-12-23 | 2016-12-23 | Press-in type isolation well construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106593398A true CN106593398A (en) | 2017-04-26 |
| CN106593398B CN106593398B (en) | 2020-04-03 |
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| CN201611204090.1A Active CN106593398B (en) | 2016-12-23 | 2016-12-23 | Press-in type isolation well construction method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939279A (en) * | 2017-12-29 | 2018-04-20 | 江苏省无锡探矿机械总厂有限公司 | For building the spiral drill component of water sample monitoring well |
| CN114563542A (en) * | 2022-02-28 | 2022-05-31 | 中国林业科学研究院生态保护与修复研究所 | Underground water monitoring device and method |
| WO2022174830A1 (en) * | 2021-02-20 | 2022-08-25 | 上海市政工程设计研究总院（集团）有限公司 | Well construction method for groundwater environmental monitoring well |
| CN115126409A (en) * | 2022-08-30 | 2022-09-30 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Monitoring well construction process and direct-pushing well forming tool thereof |
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| CN107939279A (en) * | 2017-12-29 | 2018-04-20 | 江苏省无锡探矿机械总厂有限公司 | For building the spiral drill component of water sample monitoring well |
| WO2022174830A1 (en) * | 2021-02-20 | 2022-08-25 | 上海市政工程设计研究总院（集团）有限公司 | Well construction method for groundwater environmental monitoring well |
| CN114563542A (en) * | 2022-02-28 | 2022-05-31 | 中国林业科学研究院生态保护与修复研究所 | Underground water monitoring device and method |
| CN115126409A (en) * | 2022-08-30 | 2022-09-30 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Monitoring well construction process and direct-pushing well forming tool thereof |
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