CN106089027A - A kind of construction method utilizing anti-well rig maintenance drop shaft - Google Patents
A kind of construction method utilizing anti-well rig maintenance drop shaft Download PDFInfo
- Publication number
- CN106089027A CN106089027A CN201610393560.7A CN201610393560A CN106089027A CN 106089027 A CN106089027 A CN 106089027A CN 201610393560 A CN201610393560 A CN 201610393560A CN 106089027 A CN106089027 A CN 106089027A
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- China
- Prior art keywords
- drop shaft
- former
- well
- pass
- rig
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D5/00—Lining shafts; Linings therefor
- E21D5/04—Lining shafts; Linings therefor with brick, concrete, stone, or similar building materials
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
Abstract
The present invention discloses a kind of construction method utilizing anti-well rig maintenance drop shaft, comprises the steps: that (1) former pass space structure detects；(2) according to the result of detection of gained in step (1) to former pass filling；(3) utilize anti-well rig that the former pass after step (2) filling is carried out raising boring and form new pass；(4) the new drop shaft borehole wall drilled in step (3) is carried out supporting.Master operation of the present invention is no longer necessary to well operations under personnel, when carrying out borehole wall supporting, is controlled by country rock, and the most anti-well rig creeps into concrete and do not destroys its performance, and has ensured the personal safety of staff.
Description
Technical field
The present invention relates to drilling applications, particularly to a kind of construction method utilizing anti-well rig maintenance drop shaft.
Background technology
In well industrial and mineral thing exploitation roadway engineering system, needing substantial amounts of drop shaft engineering, these Project Realization differences are exploited
The functions such as horizontal Ore is concentrated, regulation transport, the general 50-300m of the drop shaft degree of depth, filled by tippler or belt equipment at Ore
During entering drop shaft, Ore free-falling, the drop shaft borehole wall and country rock are damaged by huge impulsive force, produce cavity with big
Area caves in, and affects the use of drop shaft, affects the safety of mine, it is necessary to repair time serious.
The restorative procedure of drop shaft is carried out the most from top to bottom, needs operator to carry out piecemeal anchoring, the supporting such as whitewashing is made
Industry, in the area that caves in, the biggest place, human users's difficulty, need to set up scaffold, safety problem can not get solving at all
Certainly, accident often occurs.
Summary of the invention
In view of this, the invention reside in a kind of construction method utilizing anti-well rig maintenance drop shaft of offer, master operation is not
Needing well operations under personnel again, when carrying out borehole wall supporting, be controlled by country rock, the most anti-well rig creeps into concrete and does not breaks
Its performance bad, and ensured the personal safety of staff.
For solving the problems referred to above, the present invention adopts the following technical scheme that a kind of construction utilizing anti-well rig maintenance drop shaft
Method, comprises the steps:
(1) former pass space structure detection；
(2) according to the result of detection of gained in step (1) to former pass filling；
(3) utilize anti-well rig that the former pass after step (2) filling is carried out raising boring and form new drop shaft well
Cylinder；
(4) the new drop shaft borehole wall drilled in step (3) is carried out supporting.
The above-mentioned construction method utilizing anti-well rig maintenance drop shaft, step (1) comprises the steps:
A () installs lift on the top of former drop shaft, utilize ultrasonic meter along former pass from top to bottom to former
Pass carries out profile scanning one by one；
B the data obtained in step (a) are analyzed by (), calculate former drop shaft spatial volume, and draw out former drop shaft
The space structure shape of pit shaft.
The above-mentioned construction method utilizing anti-well rig maintenance drop shaft, step (2) comprises the steps:
(a1) anti-well rig is installed, and anti-well borer drill rod is protected；
(b1) the former pass of filling.
The above-mentioned construction method utilizing anti-well rig maintenance drop shaft, step (a1) concretely comprises the following steps: in the upper end of former drop shaft
Well head installs rig girder steel, then installs anti-well rig on rig girder steel, and transfers anti-well borer drill rod to former drop shaft
Lower end well head, then wraps up anti-well borer drill rod with sleeve pipe, and filling between anti-well borer drill rod outer wall and internal surface of sleeve pipe
Grit material.
The above-mentioned construction method utilizing anti-well rig maintenance drop shaft, sleeve pipe is plastic tube.
The above-mentioned construction method utilizing anti-well rig maintenance drop shaft, step (b1) comprises the steps:
(i) with the lower end port of annular space between plug members closure sleeve outer wall and the former drop shaft borehole wall, then to
Fill out in former pass and put fine sand；
(ii) brattice way handling slip ash tremie pipe, then according to the former drop shaft space body calculated in step (b)
Long-pending precast concrete, carries out concrete filling to former pass the most piecemeal, until concrete filling body upper surface distance is bored
Machine girder steel bottom, more than or equal to 0.3m and less than or equal to 0.5m, then refills anti-well rig basis concrete, and makes
Anti-well rig basis concrete filling body and rig girder steel compact siro spinning technology.Anti-well rig basis concrete filling body constitutes anti-
The concrete foundation on well rig basis and rig girder steel form anti-well rig basis, and wherein, rig girder steel is seated in coagulation soil matrix
On plinth.Concrete foundation is higher than filling concrete strength.
The above-mentioned construction method utilizing anti-well rig maintenance drop shaft, when the former pass near former drop shaft lower end well head does not has
When having destroyed, fine sand is filled to be damaged apart from former drop shaft the position of well section lower end well head 1m, fine sand fill length more than or etc.
In 5m；What former pass carried out the concrete used by concrete filling is numbered C10-20。
The above-mentioned construction method utilizing anti-well rig maintenance drop shaft, step (3) concretely comprises the following steps: be filled in step (ii)
Concrete setting in former pass and intensity reach design when requiring, remove plug members, fill in releasing former pass
The fine sand filled out, then reaming bit is installed in the lower end at anti-well borer drill rod, reaming from bottom to top, until former drop shaft upper end well
Mouthful, new pass has crept into.Owing to the concrete conditions such as the well depth of each drop shaft, hole diameter are different, therefore it are filled in difference and slip
The set strength of well shaft inner concrete to determine according to each pass concrete condition, generally selects low-grade coagulation
Soil carrys out filling pass.
The above-mentioned construction method utilizing anti-well rig maintenance drop shaft, step (4) comprises the steps:
(I) remove the anti-well rig in step (3), lift and hanging scaffold are installed on new pass top, check new
The safe condition of pass, processes and supporting unstable formation, local and concrete；
(II) new drop shaft inwall is poured.
The above-mentioned construction method utilizing anti-well rig maintenance drop shaft, step (II) concretely comprises the following steps: use hydraulic pressure synovial membrane
Mode the most progressively pours new drop shaft inwall.
The invention has the beneficial effects as follows:
1. the present invention is a kind of to utilize concrete backfill, anti-well drill drilling to form after drop shaft set again to build the Synthetic of the borehole wall
Reason method, well operations under wherein master operation is no longer necessary to personnel, and when carrying out borehole wall supporting, country rock has been controlled,
And anti-well rig creeps into concrete does not destroy its performance, the most secure personal safety of staff.
2. the present invention construction period is shorter, and the most drilled drop shaft wellbore stability, easy supporting.
Accompanying drawing explanation
Fig. 1 is that the present invention utilizes showing of the construction method Central Plains pass space structure detection of anti-well rig maintenance drop shaft
It is intended to；
Fig. 2 is the schematic diagram that the present invention utilizes that in the construction method of anti-well rig maintenance drop shaft, anti-well rig is installed；
Fig. 3 is that the present invention utilizes showing of the former pass fill concrete in the construction method of anti-well rig maintenance drop shaft
It is intended to；
Fig. 4 is the schematic diagram that the present invention utilizes that in the construction method of anti-well rig maintenance drop shaft, anti-well rig reaming is crept into；
Fig. 5 is that the present invention utilizes the schematic diagram of new drop shaft borehole wall supporting in the construction method of anti-well rig maintenance drop shaft.
In figure: the former pass of 1-；2-ultrasonic meter；3-lift；4-anti-well rig；5-rig girder steel；6-is anti-
Well borer drill rod；7-sleeve pipe；8-reaming bit；The new pass of 9-；10-hanging scaffold；11-concrete filling body.
Detailed description of the invention
For understanding the scheme in the explanation present invention, preferred embodiment is given below and is described with reference to the accompanying drawings.
As shown in Figures 1 to 3, the present invention utilizes the construction method of anti-well rig maintenance drop shaft, is that one utilizes concrete pair
Former pass 1 backfills, and then recycles the drilling well of anti-well rig 4 and forms new pass 9 and new drop shaft is carried out set build
The drop shaft comprehensive processing method of the borehole wall, it specifically comprises the following steps that
(1) due to after former drop shaft fall damage its configuration large change can occur, thus before it is administered
The space structure shape of former drop shaft need to be understood, i.e. former pass 1 space structure is detected, concretely comprise the following steps:
A () installs lift 3 on the top of former drop shaft, utilize lift 3 to hang ultrasonic meter 2 and be allowed to slip along former
Well shaft 1 carries out profile scanning one by one to former pass 1 from top to bottom, to obtain the space structure about former pass 1
The data of shape, as shown in Figure 1；
B the data obtained in step (a) are analyzed by (), calculate former drop shaft spatial volume, and draw out former drop shaft
The space structure shape of pit shaft 1.
(2) occurred that large area is caved in and produces cavity due to the former drop shaft borehole wall, in order to carry out whole to the former drop shaft borehole wall
Body is repaired, and uses concrete to backfill former pass 1 in the present invention, to obtaining the relatively stable drop shaft borehole wall,
Therefore according in step (1), the result of detection of gained is to the filling of former pass 1, and it concretely comprises the following steps；
(a1) utilize anti-well rig 4 to creep in view of the present invention, for easy construction, former pass 1 is being backfilled
Before, first anti-well rig 4 is installed and put in place, as in figure 2 it is shown, i.e. the upper end well head at former drop shaft installs rig girder steel 5, then exist
Anti-well rig 4 is installed on rig girder steel 5, and anti-well borer drill rod 6 is transferred the lower end well head to former drop shaft, but due to concrete
In additive anti-well borer drill rod 6 may be produced corrosion, and anti-well borer drill rod 6 after concrete setting, can be affected
Rotate, therefore with sleeve pipe 7, anti-well borer drill rod 6 is wrapped up, and filling is thick between anti-well borer drill rod 6 outer wall and sleeve pipe 7 inwall
Sand material, its middle sleeve 7 is plastic tube, selects PVC plastic pipe to use as sleeve pipe 7 in the present embodiment, uses set in this step
Anti-well borer drill rod 6 is protected by pipe 7, and one of its purpose is to prevent the additive in concrete to anti-well borer drill rod 6
Corrode and be easy to the rotation of raising boring process anti-well borer drill rod 6 in subsequent step, another object is that and carry for raising boring
For guide hole, consequently facilitating being smoothed out of whole construction；
(b1) after installing anti-well rig 4 and anti-well borer drill rod 6 is properly protected, former pass 1 can be entered
Row filling, as it is shown on figure 3, its concrete steps include:
I () is for avoid the concrete being filled in former pass 1 to leak to affect elsewhere subsequent construction, it will usually
Plug members is used to be blocked by the lower end port of the annular space between sleeve pipe 7 outer wall and the former drop shaft borehole wall, and in order to anti-
Only concrete and plug members bond together and are not easy to the dismounting of plug members, are carrying out former pass 1 with concrete
Before backfill, it will usually fill out in former pass 1 and put fine sand, the filling out of its medium-fine sand puts height can be according near former drop shaft lower end
The destruction situation of the former pass 1 of well head determines, when the former pass 1 near former drop shaft lower end well head is the most destroyed
Time, fine sand is filled to be damaged apart from former drop shaft the position of well section lower end well head 1m, and fine sand fills length more than or equal to 5m；
(ii) brattice way utilize winch handling slip ash tremie pipe, wherein the internal diameter of tremie pipe be more than or equal to 150mm,
Then according to the former drop shaft spatial volume precast concrete calculated in step (b), the most former pass 1 is carried out
Concrete filling, until the position of concrete filling body 11 upper surface distance borehole drilling rig girder steel 5 bottom 0.5m, then refills anti-well
Rig basis concrete, and make anti-well rig basis concrete filling body and rig girder steel 5 compact siro spinning technology, reach to undertake expansion
The ability of hole load.The concrete foundation that anti-well rig basis concrete filling body is constituted and rig girder steel 5 form anti-well and bore
Machine basis, wherein, rig girder steel 5 is seated in concrete foundation.Concrete foundation is higher than filling concrete strength.This example
In, former pass 1 is carried out concrete used by concrete filling and is numbered C10-20。
(3) utilize anti-well rig 4 that the former pass 1 after step (2) filling is carried out raising boring and form new drop shaft
Pit shaft 9: support to make the concrete of backfill that the former drop shaft borehole wall to be formed, utilize anti-well rig 4 creep into new pass 9 it
The steps such as front need (ii) are filled to the concrete setting in former pass 1 and intensity reaches to design requirement, remove the most again
Plug members, releases the fine sand of filling in former pass 1, and then reaming bit is installed in the lower end at anti-well rig 4 drilling rod 6
8, reaming from bottom to top, until former drop shaft upper end well head, new pass 9 has crept into, as shown in Figure 4.Due to each drop shaft
Well depth, the concrete condition such as hole diameter different, the set strength being therefore filled in different pass inner concrete will be according to each
Pass concrete condition determines, generally selects low-grade concrete to carry out filling pass.
(4) the new drop shaft borehole wall drilled in step (3) is carried out supporting, as it is shown in figure 5, it specifically comprises the following steps that
(I) remove the anti-well rig 4 in step (3), lift 3 and hanging scaffold 10 are installed on new pass 9 top, execute
Workman person utilizes lift 3 and hanging scaffold to check the safe condition of new pass 9 in entering new pass 9 for 10 times, to local
Unstable formation and concrete carry out processing and supporting；
(II) use the mode of hydraulic pressure synovial membrane the most progressively to pour new drop shaft inwall, form new ore pass choking-up.
After forming new ore pass choking-up, the most dismountable relevant construction equipment, recovers the required charging of drop shaft and ore drawing
Equipment, comes into operation drop shaft.
Utilizing the present invention borehole wall occur, large area is caved in and occurs that the former drop shaft in cavity carries out in maintenance process, to former
Pit shaft is entered without personnel when pass 1 carries out space structure shape detection, and when needing workmen to enter pass
Time, the concrete of backfill has defined reinforcing and has filled the former drop shaft borehole wall, does not haves large-area caving in, thus ensure that
The personal safety of workmen's quilt, and solve in existing drop shaft restorative procedure in the area that caves in, the biggest place
The problem of workmen's operating difficulties.
Above-described embodiment is only for clearly demonstrating the invention example, and not has the invention
The restriction of body embodiment.For those of ordinary skill in the field, can also make on the basis of the above description
The change of other multi-form or variation.Here without also cannot all of embodiment be given exhaustive.All the present invention's
Any obvious change extended out or change the guarantor still in the invention claim within spirit and principle
Protect among scope.
Claims (10)
1. the construction method utilizing anti-well rig maintenance drop shaft, it is characterised in that comprise the steps:
(1) former pass (1) space structure detection；
(2) according to the result of detection of gained in step (1) to former pass (1) filling；
(3) utilize anti-well rig (4) that the former pass (1) after step (2) filling is carried out raising boring and form new drop shaft
Pit shaft (9)；
(4) the new drop shaft borehole wall (9) drilled in step (3) is carried out supporting.
The construction method utilizing anti-well rig maintenance drop shaft the most according to claim 1, it is characterised in that step (1) is wrapped
Include following steps:
A () installs lift (3) on the top of former drop shaft, utilize ultrasonic meter (2) along former pass (1) from top to bottom
Former pass (1) is carried out profile scanning one by one；
B the data obtained in step (a) are analyzed by (), calculate former drop shaft spatial volume, and draw out former pass
(1) space structure shape.
The construction method utilizing anti-well rig maintenance drop shaft the most according to claim 2, it is characterised in that step (2) is wrapped
Include following steps:
(a1) anti-well rig (4) is installed, and anti-well borer drill rod (6) is protected；
(b1) the former pass of filling (1).
The construction method utilizing anti-well rig maintenance drop shaft the most according to claim 3, it is characterised in that step (a1) has
Body step is: the upper end well head at former drop shaft installs rig girder steel (5), then at rig girder steel (5) the anti-well rig of upper installation
(4), and anti-well borer drill rod (6) is transferred the lower end well head to former drop shaft, then with sleeve pipe (7) by anti-well borer drill rod (6)
Parcel, and filling grit material between anti-well borer drill rod (6) outer wall and sleeve pipe (7) inwall.
The construction method utilizing anti-well rig maintenance drop shaft the most according to claim 4, it is characterised in that sleeve pipe (7) is
Plastic tube.
The construction method utilizing anti-well rig maintenance drop shaft the most according to claim 4, it is characterised in that step (b1) is wrapped
Include following steps:
I () blocks the lower end port of annular space between sleeve pipe (7) outer wall and the former drop shaft borehole wall by plug members, then to former
Fill out in pass (1) and put fine sand；
(ii) brattice way handling slip ash tremie pipe, then pre-according to the former drop shaft spatial volume calculated in step (b)
Concrete processed, carries out concrete filling to former pass (1) the most piecemeal, until concrete filling body (11) upper surface distance
Rig girder steel (5) bottom, more than or equal to 0.3m and less than or equal to 0.5m, then refills anti-well rig basis concrete,
And make anti-well rig basis concrete filling body and rig girder steel (5) compact siro spinning technology.
The construction method utilizing anti-well rig maintenance drop shaft the most according to claim 6, it is characterised in that when slipping near former
When the former pass (1) of downhole end well head is not destroyed, fine sand is filled to be damaged well section lower end well head 1m apart from former drop shaft
Position, fine sand fills length more than or equal to 5m；Former pass (1) is carried out the mark of the concrete used by concrete filling
Number it is C10-20。
The construction method utilizing anti-well rig maintenance drop shaft the most according to claim 6, it is characterised in that step (3) has
Body step is: be filled to the concrete setting in former pass (1) in step (ii) and intensity reaches design when requiring, remove
Plug members, releases the fine sand of former pass (1) interior filling, and then reaming is installed in the lower end anti-well borer drill rod (6)
Drill bit (8), reaming from bottom to top, until former drop shaft upper end well head, new pass (9) has crept into.
9. according to the arbitrary described construction method utilizing anti-well rig maintenance drop shaft of claim 1～8, it is characterised in that step
Suddenly (4) comprise the steps:
(I) remove the anti-well rig (4) in step (3), lift (3) and hanging scaffold are installed on new pass (9) top
(10), check the safe condition of new pass (9), unstable formation, local and concrete are processed and supporting；
(II) new drop shaft inwall is poured.
The construction method utilizing anti-well rig maintenance drop shaft the most according to claim 9, it is characterised in that step (II)
Concretely comprise the following steps: use the mode of hydraulic pressure synovial membrane the most progressively to pour new drop shaft inwall.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610393560.7A CN106089027B (en) | 2016-06-06 | 2016-06-06 | A kind of construction method using anti-well rig maintenance drop shaft |
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| CN201610393560.7A CN106089027B (en) | 2016-06-06 | 2016-06-06 | A kind of construction method using anti-well rig maintenance drop shaft |
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| CN106089027A true CN106089027A (en) | 2016-11-09 |
| CN106089027B CN106089027B (en) | 2018-05-08 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761822A (en) * | 2016-11-28 | 2017-05-31 | 北京中煤矿山工程有限公司 | Drop shaft technique is repaired in a kind of metal mine backfill prose style free from parallelism slip casting |
| CN108626482A (en) * | 2018-04-23 | 2018-10-09 | 西山煤电建筑工程集团有限公司矿建第分公司 | The construction method of vertical gas pipe is installed using anti-well drilling machine |
| CN108756889A (en) * | 2018-06-08 | 2018-11-06 | 北京中煤矿山工程有限公司 | Anti- well drilling machine reaming construction broken formation gib technique |
| CN111852482A (en) * | 2020-07-31 | 2020-10-30 | 湖南科技大学 | Construction method of ore crusher foundation of slip-breaking system engineering below 40m |
| CN112523712A (en) * | 2020-12-21 | 2021-03-19 | 吉林大学 | Device and method for repairing damaged well wall |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761822A (en) * | 2016-11-28 | 2017-05-31 | 北京中煤矿山工程有限公司 | Drop shaft technique is repaired in a kind of metal mine backfill prose style free from parallelism slip casting |
| CN108626482A (en) * | 2018-04-23 | 2018-10-09 | 西山煤电建筑工程集团有限公司矿建第分公司 | The construction method of vertical gas pipe is installed using anti-well drilling machine |
| CN108756889A (en) * | 2018-06-08 | 2018-11-06 | 北京中煤矿山工程有限公司 | Anti- well drilling machine reaming construction broken formation gib technique |
| CN111852482A (en) * | 2020-07-31 | 2020-10-30 | 湖南科技大学 | Construction method of ore crusher foundation of slip-breaking system engineering below 40m |
| CN112523712A (en) * | 2020-12-21 | 2021-03-19 | 吉林大学 | Device and method for repairing damaged well wall |
| CN112523712B (en) * | 2020-12-21 | 2023-11-14 | 吉林大学 | Device and method for repairing damaged well wall |
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| Publication number | Publication date |
|---|---|
| CN106089027B (en) | 2018-05-08 |
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