CN111425133A - Dewatering well construction device and construction method thereof - Google Patents
Dewatering well construction device and construction method thereof Download PDFInfo
- Publication number
- CN111425133A CN111425133A CN202010240297.4A CN202010240297A CN111425133A CN 111425133 A CN111425133 A CN 111425133A CN 202010240297 A CN202010240297 A CN 202010240297A CN 111425133 A CN111425133 A CN 111425133A
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- drilling platform
- drilling
- baffles
- dewatering well
- dewatering
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- 238000010276 construction Methods 0.000 title claims abstract description 43
- 238000005553 drilling Methods 0.000 claims abstract description 81
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 239000002002 slurry Substances 0.000 claims description 12
- 238000009826 distribution Methods 0.000 claims description 10
- 238000001556 precipitation Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000004927 fusion Effects 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Classifications
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- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
- E21B7/024—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting having means for adapting to inclined terrain; having means for stabilizing the vehicle while drilling
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
-
- 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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/04—Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a dewatering well construction device and a construction method thereof, the device comprises a movable drilling platform, the bottom of the movable drilling platform is provided with a moving mechanism, the periphery of the movable drilling platform is provided with hydraulic supports, the front part of the movable drilling platform is provided with a leveling limiting frame, the rear part of the movable drilling platform is provided with a winch, the leveling limiting frame comprises vertical supports positioned at two sides, a cross beam positioned at a neck part and a workbench positioned at the bottom part, the vertical supports are connected with an inclined strut hydraulic rod and a horizontal hydraulic rod on the movable drilling platform, a steel rope on the winch bypasses the cross beam and then goes downwards and is provided with a lifting hook, a mud pump of a drilling machine can be lifted on the, the through hole is provided with a pair of split baffles, when the two baffles are opened, the downcomer of the drilling machine can penetrate through the through hole, and when the two baffles are closed and fixed, the edge notches of the downcomer can be enclosed to form a limiting hole, and the inner diameter of the limiting hole is slightly larger than the working outer diameter of the downcomer and smaller than the outer diameter of the downcomer joint. The invention has the advantages of convenient transition, stable drilling, low requirement on field flatness, construction period saving and high pore-forming quality.
Description
Technical Field
The invention belongs to the field of civil engineering construction, and particularly relates to a dewatering well construction device and a construction method thereof.
Background
At present, the drilling operation mode of the precipitation well is to drag the drilling device to the drilling site of the precipitation well by a trailer, slurry is injected by manpower in the drilling process, after the drilling is finished, the drilling device is dragged to the drilling site of the next precipitation well by the trailer, the working efficiency is low, the existing drilling device has higher requirement on the flatness of the site, if the existing drilling device meets the site with unevenness or slope, the drilling construction of the precipitation well is carried out after the precipitation site is leveled, and the progress is further slowed.
Disclosure of Invention
The invention aims to provide a dewatering well construction device and a construction method thereof, which are convenient to transition, ensure the stability during drilling, have low requirement on the field flatness, save the construction period and improve the pore-forming quality during drilling.
The technical scheme adopted by the invention is as follows:
the utility model provides a precipitation well construction equipment, including removing drilling platform, remove drilling platform's bottom is equipped with moving mechanism, be equipped with hydraulic support all around, the front portion is equipped with the spacing frame of leveling, the rear portion is equipped with the hoist engine, the spacing frame of leveling is including the vertical braces that is located both sides, be located the crossbeam at top and be located the workstation of bottom, vertical braces is connected with bracing hydraulic stem and the horizontal hydraulic stem on removing drilling platform, steel cable on the hoist engine walks around behind the crossbeam downwards and is equipped with the lifting hook, the mud pump of rig can hang on the lifting hook, lifting hook below is equipped with the clearing hole on the workstation, be equipped with a pair of baffle to running from opposite directions on the clearing hole, the downcomer pipe of rig can pass the clearing hole when two baffles are opened, the marginal breach between them encloses into spacing hole when closing and fixing, spacing downthehole diameter.
Further, the energy supply equipment on the mobile drilling platform is a distribution box and a diesel generator, the diesel generator supplies energy to the mobile mechanism and the other equipment, and if no power supply exists nearby, the distribution box supplies power to the diesel generator, and the diesel generator supplies power to the distribution box.
Furthermore, an operation table is arranged on the mobile drilling platform, and execution equipment on the mobile drilling platform is controlled by the operation table in a centralized mode.
Furthermore, the parts where the limiting holes are formed in the two baffle plates are provided with reinforcing parts.
Furthermore, the reinforcing piece is welded on the baffle plate by adopting double-sided fusion welding.
Furthermore, cylinder bodies of the inclined strut hydraulic rod and the horizontal hydraulic rod are hinged with the movable drilling platform, and the telescopic end is hinged with the vertical support.
Furthermore, the two baffle plates are detachably fixed through bolts.
Further, the moving mechanism is a crawler.
Further, the vertical support adopts lattice type support.
The construction method of the dewatering well construction device comprises the following steps:
1) after the mobile drilling platform moves to a drilling site of a designated dewatering well through the moving mechanism, the mobile drilling platform is supported by hydraulic support;
2) adjusting an inclined strut hydraulic rod and a horizontal hydraulic rod, and enabling the vertical support to be vertical to the horizontal line of the ground under the cooperation of the level gauge;
3) a mud pump of the drilling machine is hung on a lifting hook, a downcomer of the drilling machine penetrates through the through hole and is provided with a drill bit, and the two baffles are opened;
4) during well drilling construction, the winch releases the steel rope to enable the drilling machine to be in a proper position, the two baffles are closed and fixed, the dewatering pipe is limited through the limiting hole, the slurry pump is started, slurry is pumped from the slurry tank for lubrication by the aid of the slurry pipe, the drill bit is driven to work at the same time, the dewatering pipe is connected after the construction of one section of the dewatering pipe is finished, and the two baffles are opened during connection until the depth of the dewatering well is designed;
5) after the well is drilled to the designed depth of the dewatering well, the winch lifts the steel rope, the two baffles are opened, the dewatering pipe and the drill bit are disassembled and recovered one by one, and after the recovery is finished, the hydraulic support is lifted up and the well is driven to the drilling site or returned to the next dewatering well.
The invention has the beneficial effects that:
the moving mechanism can drive the movable drilling platform to move integrally, the transition is convenient, and meanwhile, the hydraulic support ensures the stability during drilling; the inclined strut hydraulic rod and the horizontal hydraulic rod play a role in adjusting the perpendicularity of the drilling machine, the requirement on the field flatness is not high, and the construction period is saved; two baffles can play spacing effect to the downcomer, and the pore-forming quality when having improved the well drilling does not hinder the installation of drill bit and the extension of downcomer again, and the downcomer connects the department card to be convenient for take over the construction when spacing hole moreover.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic diagram of the operation of lowering water in a foundation pit of the drilling machine.
In the figure: 1, a crawler belt; 2-a diesel generator; 3, hydraulic support; 4-horizontal hydraulic rod; 5-diagonal bracing hydraulic rods; 6-vertical support; 7-a cross beam; 8, a workbench; 9-a pin; 10-a baffle plate; 11-a reinforcement; 12-a hinge point; 13-a hoisting ring; 14-a slurry pump; 15-a downcomer pipe; 16-slurry leakage holes; 17-a drill bit; 18-a hook; 19-a winch; 20-a steel cord; 21-a distribution box; 22-an operation table; 23-slurry pipe.
Detailed Description
The invention is further described below with reference to the figures and examples.
A dewatering well construction device comprises a movable drilling platform, a moving mechanism is arranged at the bottom of the movable drilling platform, hydraulic supports 3 are arranged on the periphery (in the embodiment, the hydraulic supports 3 are square supports, the outer diameter of each support is 200 × mm, the bottom of each support is not less than 400 × mm, a 10mm thick steel plate base plate is arranged), a leveling limiting frame is arranged at the front of each support, a winch 19 is arranged at the rear of each support (in the embodiment, the winch 19 is of a 2T lifting capacity type), the leveling limiting frame comprises vertical supports 6 located on two sides, a cross beam 7 located at the top of each support and a workbench 8 located at the bottom of each support (in the embodiment, the workbench 8 is a Q235 steel plate with the size of 1000 × mm and the thickness of 30 mm), the vertical supports 6 are connected with inclined support hydraulic rods 5 and horizontal hydraulic rods 4 on the movable drilling platform, steel ropes 20 (in the embodiment, the steel ropes 20 are 6 × and 10.5mm in diameter and bypass the cross beam 7 and are provided with lifting hooks 18 downwards, mud pumps 14 of the drilling machine can be arranged on the lifting hooks 18, the working platform 18 is arranged below the lifting hooks 18 (in the lifting holes, 200mm, the working platform, the lifting mechanism is arranged on the lifting pipe joints of the lifting pipe, the lifting pipe is arranged on the lifting mechanism, when the lifting pipe, the lifting mechanism, the lifting pipe is arranged on the lifting mechanism, the lifting pipe, the lifting mechanism, the lifting pipe is.
In the invention, the moving mechanism can drive the movable drilling platform to move integrally, the transition is convenient, and the hydraulic support 3 ensures the stability during drilling; the inclined strut hydraulic rod 5 and the horizontal hydraulic rod 4 have the function of adjusting the verticality of the drilling machine, the requirement on the field flatness is not high, and the construction period is saved; two baffles 10 can play spacing effect to downcomer 15, and the pore-forming quality when having improved the well drilling does not hinder the installation of drill bit 17 and downcomer 15 to connect long again, and the downcomer 15 connects the department card to be convenient for take over the construction when spacing hole in addition.
As shown in fig. 1, in this embodiment, the energy supply devices on the mobile drilling platform are a distribution box 21 and a diesel generator 2, the diesel generator 2 supplies energy to the mobile mechanism, the distribution box 21 supplies energy to other devices, if no power supply is provided near the mobile mechanism to power the distribution box 21, all the energy is supplied by the diesel generator 2, and by adopting a dual-power system of the distribution box 21 and the diesel generator 2, the adaptability to various working conditions is improved, and the economy is considered. In the present embodiment, the electric box 21 is a three-stage electric box.
As shown in fig. 1, in the present embodiment, an operation table 22 is provided on the mobile drilling platform, and the execution devices on the mobile drilling platform are collectively controlled by the operation table 22.
In the embodiment shown in fig. 1, the reinforcing members 11 are provided at the limiting holes of the two baffle plates 10 to avoid abrasion, in the embodiment, the reinforcing members 11 are made of Q345 steel with the cross-sectional dimension of 30 × 30mm, and the reinforcing members 11 are welded on the baffle plates 10 by double-sided fusion welding.
In the present embodiment, the cylinders of the diagonal strut hydraulic rods 5 and the horizontal hydraulic rods 4 are hinged to the mobile drilling platform, and the telescopic ends are hinged to the vertical supports 6, as shown in fig. 1.
In this embodiment, the two baffles 10 are detachably fixed by bolts, so that the installation is convenient and the baffles can be reused for many times.
As shown in fig. 1, in the present embodiment, the moving mechanism is a crawler 1. Compared with wheeled movement, the device has strong trafficability.
As shown in fig. 1, in the present embodiment, the vertical supports 6 are lattice supports, and the vertical supports 6 and the cross beams 7 are made of Q235 square steel pipes with a size of 100 × 100mm and a thickness of 3 m.
The construction method of the dewatering well construction device comprises the following steps:
1) after the mobile drilling platform moves to a drilling site of a designated dewatering well through the moving mechanism, the hydraulic support 3 supports the mobile drilling platform against the ground;
2) adjusting an inclined strut hydraulic rod 5 and a horizontal hydraulic rod 4, and enabling a vertical strut 6 to be vertical to a ground horizontal line under the cooperation of a level gauge (before a drilling machine is installed, a line drop vertical method can be used for perpendicularity rechecking);
3) hanging a mud pump 14 of a drilling machine on a lifting hook 18, enabling a water descending pipe 15 of the drilling machine to penetrate through a through hole and installing a drill bit 17, and opening two baffles 10;
4) during well drilling construction, namely construction, a winch 19 releases a steel rope 20 to enable a drilling machine to be in a proper position, two baffles 10 are closed and fixed, the water descending pipe 15 is limited through a limiting hole, a mud pump 14 is started (the power of the mud pump 14 is adjusted before construction, the mud pumping speed is ensured to be matched with the drilling speed), mud is pumped from a mud pool by using a mud pipe 23 for lubrication (the mud in the mud pool is sufficient in storage, hole collapse and idle running of the mud pump 14 caused by insufficient mud amount are prevented), a drill bit 17 is driven to work at the same time, a pipe is taken over after the construction of one section of the water descending pipe 15 is finished, and the two baffles 10 are opened during pipe taking over until the designed;
5) after the well is drilled to the designed depth of the dewatering well, the winch 19 lifts the steel rope 20, the two baffles 10 are opened, the dewatering pipe 15 and the drill bit 17 are disassembled and recovered one by one, and after the recovery is finished, the hydraulic support 3 is lifted up and is driven to the drilling site of the next dewatering well or returned.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made by those skilled in the art within the technical scope of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a precipitation well construction equipment which characterized in that: the hydraulic support is arranged at the periphery of the bottom of the movable drilling platform, the front part of the movable drilling platform is provided with a leveling limiting frame, the rear part of the movable drilling platform is provided with a winch, the leveling limiting frame comprises vertical supports positioned on two sides, a cross beam positioned at the top and a workbench positioned at the bottom, the vertical supports are connected with a diagonal bracing hydraulic rod and a horizontal hydraulic rod on the movable drilling platform, a steel rope on the winch bypasses the cross beam and then goes downwards and is provided with a lifting hook, a mud pump of the drilling machine can be hung on the lifting hook, a through hole is formed in the lower part of the lifting hook on the workbench, a pair of split baffles are arranged on the through hole, a downcomer of the drilling machine can penetrate through the through hole when the two baffles are opened, a limiting hole is formed by surrounding edge gaps between the two baffles when.
2. The dewatering well construction apparatus as claimed in claim 1, wherein: the energy supply equipment on the mobile drilling platform is a distribution box and a diesel generator, the diesel generator supplies energy to the mobile mechanism and other equipment, and if no power supply exists nearby, the diesel generator supplies energy to the distribution box and all the equipment are supplied with energy by the diesel generator.
3. The dewatering well construction apparatus as claimed in claim 1, wherein: the mobile drilling platform is provided with an operation platform, and the execution equipment on the mobile drilling platform is controlled by the operation platform in a centralized manner.
4. The dewatering well construction apparatus as claimed in claim 1, wherein: the parts where the limiting holes are located on the two baffle plates are provided with reinforcing parts.
5. The dewatering well construction apparatus as claimed in claim 4, wherein: the reinforcing piece is welded on the baffle plate by double-sided fusion welding.
6. The dewatering well construction apparatus as claimed in claim 1, wherein: the cylinder bodies of the inclined strut hydraulic rod and the horizontal hydraulic rod are hinged with the movable drilling platform, and the telescopic end is hinged with the vertical support.
7. The dewatering well construction apparatus as claimed in claim 1, wherein: the two baffle plates are detachably fixed through bolts.
8. The dewatering well construction apparatus as claimed in claim 1, wherein: the moving mechanism is a crawler belt.
9. The dewatering well construction apparatus as claimed in claim 1, wherein: the vertical support adopts a lattice type support.
10. A construction method of a dewatering well construction apparatus as claimed in any one of claims 1 to 9, wherein: comprises the steps of (a) carrying out,
1) after the mobile drilling platform moves to a drilling site of a designated dewatering well through the moving mechanism, the mobile drilling platform is supported by hydraulic support;
2) adjusting an inclined strut hydraulic rod and a horizontal hydraulic rod, and enabling the vertical support to be vertical to the horizontal line of the ground under the cooperation of the level gauge;
3) a mud pump of the drilling machine is hung on a lifting hook, a downcomer of the drilling machine penetrates through the through hole and is provided with a drill bit, and the two baffles are opened;
4) during well drilling construction, the winch releases the steel rope to enable the drilling machine to be in a proper position, the two baffles are closed and fixed, the dewatering pipe is limited through the limiting hole, the slurry pump is started, slurry is pumped from the slurry tank for lubrication by the aid of the slurry pipe, the drill bit is driven to work at the same time, the dewatering pipe is connected after the construction of one section of the dewatering pipe is finished, and the two baffles are opened during connection until the depth of the dewatering well is designed;
5) after the well is drilled to the designed depth of the dewatering well, the winch lifts the steel rope, the two baffles are opened, the dewatering pipe and the drill bit are disassembled and recovered one by one, and after the recovery is finished, the hydraulic support is lifted up and the well is driven to the drilling site or returned to the next dewatering well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010240297.4A CN111425133A (en) | 2020-03-30 | 2020-03-30 | Dewatering well construction device and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010240297.4A CN111425133A (en) | 2020-03-30 | 2020-03-30 | Dewatering well construction device and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111425133A true CN111425133A (en) | 2020-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010240297.4A Pending CN111425133A (en) | 2020-03-30 | 2020-03-30 | Dewatering well construction device and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111425133A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294087A (en) * | 2021-05-25 | 2021-08-24 | 中国电建市政建设集团有限公司 | Sand gravel geological layer steel pipe well dewatering construction system and construction method thereof |
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| GB2566560B (en) * | 2017-06-06 | 2019-11-20 | Cdenviro Ltd | Slurry Handling Apparatus |
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2020
- 2020-03-30 CN CN202010240297.4A patent/CN111425133A/en active Pending
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|---|---|---|---|---|
| CN201574686U (en) * | 2009-12-31 | 2010-09-08 | 歌山建设集团有限公司 | Handheld double-power well-point drilling machine |
| CN203429652U (en) * | 2013-08-30 | 2014-02-12 | 李晨亮 | Dewatering well construction operating platform |
| CN106351573A (en) * | 2016-10-08 | 2017-01-25 | 郑州神利达钻采设备有限公司 | Column type lifting water drill |
| CN207131330U (en) * | 2017-02-28 | 2018-03-23 | 北京中岩大地科技股份有限公司 | A kind of multifunctional drill |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294087A (en) * | 2021-05-25 | 2021-08-24 | 中国电建市政建设集团有限公司 | Sand gravel geological layer steel pipe well dewatering construction system and construction method thereof |
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Application publication date: 20200717 |
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| RJ01 | Rejection of invention patent application after publication |