CN105370208A - Underwater drill-burst ship and drilling construction method thereof - Google Patents
Underwater drill-burst ship and drilling construction method thereof Download PDFInfo
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- CN105370208A CN105370208A CN201510732239.2A CN201510732239A CN105370208A CN 105370208 A CN105370208 A CN 105370208A CN 201510732239 A CN201510732239 A CN 201510732239A CN 105370208 A CN105370208 A CN 105370208A
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- 238000005553 drilling Methods 0.000 title claims abstract description 91
- 238000010276 construction Methods 0.000 title claims abstract description 53
- 239000000956 alloy Substances 0.000 claims abstract description 15
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 12
- 239000011435 rock Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- 231100000241 scar Toxicity 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000005422 blasting Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 101100194817 Caenorhabditis elegans rig-6 gene Proteins 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000002362 mulch Substances 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 235000020004 porter Nutrition 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- E21B7/12—Underwater drilling
- E21B7/122—Underwater drilling with submersible vertically movable guide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
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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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
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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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/16—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using gaseous fluids
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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
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
- E21B7/201—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes with helical conveying means
- E21B7/203—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes with helical conveying means using down-hole drives
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an underwater drill-burst ship and a drilling construction method thereof. The underwater drill-burst ship comprises a drill-burst ship, wherein an RTK-DGPS positioning system is arranged on the drill-burst ship; more than one drilling machine and more than one air compressor are mounted on the drill-burst ship; the air compressors and the drilling machines are mounted on two sides of the drill-burst ship; a drilling mechanism is mounted on each drilling machine; each drilling mechanism comprises a guide tube, a hole protecting tube and a drilling rod; a flange plate is welded with the upper end of the guide tube; a wire outlet groove passing through the tube body of the guide tube is formed in the tube body of the guide tube; a double-key socket is formed in the upper open end of the hole protecting tube; a movable lifting ring with a lifting lug is mounted on the hole protecting tube at the lower end of the double-key socket; an alloy drill bit is arranged at the bottom of the hole protecting tube. The underwater drill-burst ship comprises three tubes and two drill bits; the drilling hole-formation rate can be greatly increased during underwater construction under complex geological conditions and underwater conditions; the construction efficiency is improved; the construction period is shortened; the underwater drill-burst ship has good economic results.
Description
Technical field
The present invention relates to underwater drilling field, be specifically related to one and bore quick-fried ship and drilling construction method thereof under water.
Background technology
Along with the needs of national sustained economic development and defence construction, underwater drilling and blasting technology has been widely used in navigation channel, harbour, water conservancy and hydropower, railroad bridge, oil and gas pipes, seismic prospecting, to remove obstacles and the numerous areas such as preventive works under water, it has significant economic effect to the process of subaqueous rock.Due to underwater drilling and blasting be subject to water velocity, tide, surge, the factor impact such as the depth of water, complex geological condition, its difficulty of construction is large, complicated construction technique.Lot of domestic and foreign engineering practice shows how efficiently, fast, smoothly, complete the key that underwater drilling is the success or failure of underwater drilling and blasting engineering.
What the underwater drilling construction technology of current routine adopted is " two pipes one bore " bore mode: " two pipes " refers to a sleeve pipe, a drilling rod, and " one bores " refers to impactor drill bit.Only have a sleeve pipe in " two pipes one bore " drilling technique, save by one and install, usually often save 2.5m, when running into water surface big rise and fall, need artificial unloading or add tubing, complex operation; " two pipes one bore " drilling technique adopts the mode of hydraulic pushing to transfer sleeve pipe, is difficult to enter basement rock, runs into the situations such as complicated covering layer and is difficult to retaining sleeve and stablizes.
For the hydrologic condition of complexity as tide with to surge etc. and can affect stability and the safety of bore operation, complicated geological conditions can cause the unfavorable factors such as underwater drilling difficulty, and needing to work out a kind of new underwater drilling can effectively address these problems.
" two pipes one bore " underwater drilling technology of current employing, adopts a cover to manage and protect, and when running into water surface big rise and fall, needs to carry out artificial unloading and Jia tubing, complex operation; When running into the geological conditionss such as complicated covering layer, single sleeve pipe transfers sleeve pipe by the mode of hydraulic pushing, is difficult to enter basement rock, can not retaining sleeve stable.
Summary of the invention
Technical problem to be solved by this invention is to provide one and is made up of three pipes (guide pipe, guard aperture pipe, drilling rod) and two drill bits (the annular alloy bit bottom guard aperture pipe, down-the-hole air hammer drill bit), can at the quick-fried ship of brill under water of the underwater operation of inclement condition and drilling construction method thereof.
The present invention is achieved through the following technical solutions: one bores quick-fried ship under water, comprise one and bore quick-fried ship, the quick-fried ship of this brill is provided with RTK-DGPS navigation system, the quick-fried ship of brill is provided with the rig of more than and the air compressor machine of more than, air compressor machine and rig point both sides are installed on bores on quick-fried ship, rig is provided with borehole drill construction, fore and the stern part of the quick-fried ship of described brill are all provided with more than one windlass, described borehole drill construction comprises guide pipe, guard aperture pipe and drilling rod, the upper end of described guide pipe is welded with a flange, the pipe shaft of guide pipe offers the line outlet groove that runs through guide pipe pipe shaft, the lower ending opening of guide pipe, guard aperture pipe is set in guide pipe from top to bottom, the upper end open end of described guard aperture pipe offers double bond socket, the lower end guard aperture pipe being positioned at this double bond socket is provided with the movable drop handle with lifting ear, wire rope is installed with in lifting ear, lifting ear is installed in the line outlet groove on guide pipe, the bottom of guard aperture pipe arranges an alloy bit, drilling rod is inserted in guide pipe from top to bottom.
As preferred technical scheme, described drilling rod is hollow shape, drilling rod upper end open end connects with air compressor machine, the lower end of drilling rod is installed a double bond plug or installs a down-the-hole air hammer, double bond socket in double bond plug and guard aperture pipe is fastened and connected, it is inner that down-the-hole air hammer is arranged at guard aperture pipe, and the bottom of down-the-hole air hammer stretches out in the outside of guard aperture pipe, and the bottom of down-the-hole air hammer arranges a drill hammer.
As preferred technical scheme, the diameter of described flange is 200mm, and the length of line outlet groove is 30-40mm, and the external diameter of guide pipe is 168mm, and the wall thickness of guide pipe is 8-10mm.
As preferred technical scheme, the external diameter of described alloy bit is 130mm-140mm, and the external diameter of guard aperture pipe is 127-133mm, and wall thickness is 5mm.
As preferred technical scheme, the external diameter of described drilling rod is 50mm, and the outside diameter of down-the-hole air hammer is 105-115mm.
As preferred technical scheme, described alloy bit is carbide drill.
A kind of underwater drilling construction method, specifically comprises following step:
Step one, utilize RTK-DGPS system to carry out boring the location of quick-fried ship, rig is accurately navigated to the position needing to carry out holing;
Step 2: first hang guide pipe, then hang guard aperture pipe in water;
Step 3: the drilling rod being connected to double bond plug, connects the double bond socket of guard aperture pipe, air compressor machine air feed, and start creeping into of guard aperture pipe, until enter basement rock scar, air compressor machine is stopped the supple of gas or steam, and exits double bond plug;
Step 4: hang the drilling rod that is connected to down-the-hole air hammer to water-bed, air compressor machine air feed, start creeping into of down-the-hole air hammer, until reach standard at the bottom of the hole of designing requirement, air compressor machine is stopped the supple of gas or steam, and lifting is connected to the drilling rod of down-the-hole air hammer;
Step 5: carry out drilled-hole inspecting, sees whether boring meets projected depth requirement, and step 4 as multiple in discontented lumping weight, carries out next step if met the demands;
Step 6: the detonating material powder column processed is put into the hole of having bored along guide pipe and guard aperture pipe, lifting sleeve pipe;
Step 7: repeat step one to step 6.
The invention has the beneficial effects as follows: the present invention adopts the underwater drilling construction method of " three pipes two bore ", be made up of three pipes (guide pipe, guard aperture pipe, drilling rod) and two drill bits (the annular alloy bit bottom guard aperture pipe, down-the-hole air hammer drill bit), wherein guide pipe and guard aperture pipe are when carrying out underwater demolition drilling construction guard aperture, moving casing can be formed, when the SEA LEVEL VARIATION such as run into tidal range, surge, guard aperture pipe can move up and down in guide pipe, thus not by the impact of water surface change; Run into complicated geological conditions if any covering layers such as floating silt layer, macadam, mudstone glued layers, oblique rock, in the situations such as weak intercalated layer, bottom guard aperture pipe, iron chains are welded with carbide drill, there is the function of creeping into, can creep into smoothly to basement rock scar and play stable guard aperture effect.So " three pipes two bore " of the present invention underwater drilling construction method, at the geological conditions of complexity with when carrying out subaqueous construction under condition under water, can greatly improve Completion of Drilling Hole rate, improve efficiency of construction, shorten the construction period, there is good economic benefit.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the location schematic diagram that the present invention bores quick-fried ship;
Fig. 2 be the present invention bore quick-fried ship hang sleeve pipe schematic diagram;
Fig. 3 is the sectional drawing of guide pipe of the present invention;
Fig. 4 is the sectional drawing of guard aperture pipe of the present invention;
Fig. 5 be in the present invention guard aperture pipe and down-the-hole air hammer creep into schematic diagram;
Fig. 6 is workflow diagram of the present invention.
Detailed description of the invention
All features disclosed in this manual, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this manual (comprising any accessory claim, summary and accompanying drawing), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
As Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, one of the present invention bores quick-fried ship under water, comprise one and bore quick-fried ship 1, the quick-fried ship 1 of this brill is provided with RTK-DGPS navigation system 3, the quick-fried ship 1 of brill being positioned at RTK-DGPS navigation system 3 side is provided with the rig 6 of more than and the air compressor machine 4 of more than, air compressor machine 4 and rig 6 points of both sides are installed on bores on quick-fried ship 1, rig 6 is provided with borehole drill construction, the fore of the quick-fried ship of described brill 1 and stern part are all provided with more than one windlass 2, described borehole drill construction comprises drilling rod 5, guide pipe 8 and guard aperture pipe 9, the upper end of described guide pipe 8 is welded with a flange 10, the pipe shaft of guide pipe 8 offers the line outlet groove 11 that runs through guide pipe pipe shaft, the lower ending opening of guide pipe 8, guard aperture pipe 9 is set in guide pipe 8 from bottom to top, the upper end open end of described guard aperture pipe 9 offers double bond socket 12, the lower end guard aperture pipe being positioned at this double bond socket is provided with the movable drop handle 14 with lifting ear 13, wire rope is installed with in lifting ear 13, lifting ear 13 is installed in the line outlet groove 11 on guide pipe, the bottom of guard aperture pipe 9 arranges an alloy bit 15, drilling rod 5 is inserted in guide pipe 8 from top to bottom.
Drilling rod is hollow shape, drilling rod upper end open end connects with air compressor machine 4, the lower end of drilling rod 5 is installed a double bond plug 16 or installs a down-the-hole air hammer 17, double bond plug 16 is fastened and connected with the double bond socket 12 in guard aperture pipe 9, it is inner that down-the-hole air hammer 17 is arranged at guard aperture pipe 9, the bottom of down-the-hole air hammer 17 stretches out in the outside of guard aperture pipe 9, and the bottom of down-the-hole air hammer 17 arranges a drill hammer 18.
The diameter of flange 10 is 200mm, and the length of line outlet groove 11 is 30-40mm, and the external diameter of guide pipe 8 is 168mm, and the wall thickness of guide pipe 8 is 8-10mm; The external diameter of alloy bit 15 is 130mm-140mm, and the external diameter of guard aperture pipe is 127-133mm, and wall thickness is 5mm.
Wherein, the external diameter of drilling rod is 50mm, and the outside diameter of down-the-hole air hammer is 105-115mm; Alloy bit is carbide drill.
Each parts use at work:
(1) quick-fried ship is bored: mainly for underwater drilling construction provides operation platform.
(2) air compressor machine: improve high pressure compressed gas, for the clear hole in boring procedure.
(3) rig: mainly for underwater drilling provides power.
(4) windlass: be mainly used in folding and unfolding anchor line, keeps boring the stable of quick-fried ship, for boring the movement in quick-fried ship short distance.
(5) RTK-DGPS navigation system: mainly carry out plane survey, coordinates over-water construction positioning software, can carry out the real-time location of holing.
(6) guard aperture pipe: guard aperture pipe has guide function and creep into function, guide effect can be the powder column of emulsion along up and down, can and guide pipe form moving casing, drilling rod and down-the-hole air hammer can be protected.
(7) flange: effect is the well head being stuck in operation platform, ensures that guide pipe can not drop in water.
(8) line outlet groove: guide effect, the effect of deslagging effect and the payment to a porter of taking-up detonator.
(9) double bond socket: connect double bond plug.
(10) double bond plug: connect double bond socket.
(11) movable drop handle and lifting ear: put on wire rope in lifting ear and just can hang guard aperture pipe, movable drop handle is stuck in below guard aperture tube head, because drop handle is movable so power can not be transmitted guide pipe when guide pipe creeps into, thus ensure the stable of guide pipe.
(12) alloy bit: for creeping into of guard aperture pipe.
(13) drilling rod and down-the-hole air hammer: drilling rod mainly transmits axial compression and rotary torsion square creeping in code, can transmit gases at high pressure simultaneously; Down-the-hole air hammer can rotary-percussive drilling.
As shown in Figure 1, patent of the present invention is at the quick-fried ship positionning of brill, rely on RTK-DGPS System Implementation to show the position of the quick-fried ship of brill on computers, by bore quick-fried ship all around 6 windlass folding and unfolding hawsers realize accurate location, now sleeve pipe (guide pipe and guard aperture pipe) is positioned on operation platform.
As shown in Figure 3, have double bond socket in the guard aperture tube head in patent of the present invention, the effect of this double bond socket is that double bond plug is being connected with double bond socket, and guard aperture pipe just can be made to creep into when drilling rod connects double bond plug; Movable drop handle below guard aperture tube head and lifting ear effect just can hang guard aperture pipe when putting on wire rope in lifting ear, and the effect of movable drop handle can ensure that guard aperture pipe can not affect the stable of conduit when creeping into; Have annular alloy bit bottom guard aperture pipe, the effect of this drill bit mainly can pass covering layer when guard aperture pipe bit enters, and enters basement rock scar.
As shown in Figure 4, in patent of the present invention, guide pipe has flange and line outlet groove.When guard aperture pipe bit proceed to basement rock scar play stable guard aperture time, exit double bond plug, drilling rod connecting down-the-hole air hammer, holes with down-the-hole air hammer.
Embodiment 1
As shown in Figure 6, a kind of underwater drilling construction method, specifically comprises following step: step one, utilize RTK-DGPS system to carry out boring the location of quick-fried ship, rig is accurately navigated to the position needing to carry out holing; Step 2: first hang guide pipe, then hang guard aperture pipe in water; Step 3: the drilling rod being connected to double bond plug, connects the double bond socket of guard aperture pipe, air compressor machine air feed, and start creeping into of guard aperture pipe, until enter basement rock scar, air compressor machine is stopped the supple of gas or steam, and exits double bond plug; Step 4: hang the drilling rod that is connected to down-the-hole air hammer to water-bed, air compressor machine air feed, start creeping into of down-the-hole air hammer, until reach standard at the bottom of the hole of designing requirement, air compressor machine is stopped the supple of gas or steam, and lifting is connected to the drilling rod of down-the-hole air hammer; Step 5: carry out drilled-hole inspecting, sees whether boring meets projected depth requirement, and step 4 as multiple in discontented lumping weight, carries out next step if met the demands; Step 6: the detonating material powder column processed is put into the hole of having bored along guide pipe and guard aperture pipe, lifting sleeve pipe; Step 7: repeat step one to step 6.
Embodiment 2
If it is better to run into geological condition, covering layer is thinner or when having a small amount of gravel mulch scar, need not carry out step 3 in embodiment 1, after step 2 completes, directly carry out step 4, other are constant.
Embodiment 3
If it is extremely complicated to run into geological condition, there are the situations such as weak intercalated layer, in embodiment 1, step 3 and step 4 hocket repeatedly, until drill weak intercalated layer, guard aperture pipe can effective guard aperture, till down-the-hole air hammer drill bit effectively can complete boring, other steps are constant.
Specific embodiment of the invention step: (1) preparation of construction;
Preparation of construction mainly carries out equipment and material preparation according to the execution conditions at scene, choosing of boats and ships will meet on-the-spot execution conditions, material prepares the selection of mainly sleeve pipe, design and processing, determine the length of sleeve pipe according to the depth of water situation of job site, determine the design specifications of sleeve pipe according to the rig model adopted.This patent is for shown in the sleeve design parameter list adopted in XY-2 type or GY-2A type rig situation:
(2) location of boats and ships;
First carry out coarse positioning and boats and ships roughly to move to works area and cast anchor, carefully locate again after having thrown anchor.Thin location accurately will move on the bore position that cloth is good in advance the position of boring rig on quick-fried ship, and this needs to rely on ship-positioning system.Ship-positioning system is made up of RTK-DGPS measureing equipment, over-water construction positioning software, computer etc.When using RTK-DGPS measureing equipment, first carry out static measurement and check on-the-spot control point, after control point is errorless, set up datum station, obtain on-the-spot coordinate transformation parameter with movement station and control point, after obtaining conversion parameter, namely RTK can carry out plane survey.Before drilling construction, use RTK and depth-sounder to carry out front sounding survey of constructing, obtain the construction fathogram of construction area, and go out bore position at drawing design.RTK-DGPS is utilized to set up two movement stations aboard ship, double-movement station can meet the locating and orienting of boats and ships, connect computer and movement station, bore position figure is imported in over-water construction positioning software in computer, carry out parameter and ship type etc. some are arranged simultaneously, just can show actual position and the bore position of boats and ships on computers in real time, now captain just can carry out the hawser of each windlass of commander sailor's folding and unfolding according to the deviation of the vessel position that computer shows and bore position, thus make the lower drilling well mouth of rig on boats and ships be positioned to bore position accurately, just can prepare after completing location to start boring.
(3) drilling construction;
1), before operation prepare: the good labour protection articles for use of persons wear, check that geological drilling rig whether can good operation, carry out firing test, all errorless rear beginning operations.
2), guide pipe is hung: with the hoist engine on rig, guide pipe is hung in water along the well head of operation platform, until flange is stuck on well head (due to the effect of guide pipe head flanges dish, make it can be fixed on operation platform, can not drop in water).
3) guard aperture pipe, is hung: after having hung guide pipe, guard aperture pipe is hung again with hoist engine, the lifting ear of guard aperture pipe will facing to the line outlet groove on guide pipe, slowly put into water (to indicate: the rope capacity hanging guard aperture pipe can not exceed the length of guide pipe, such guarantee guard aperture pipe can not drop out bottom guide pipe), after guard aperture pipe hangs and puts in place, the steel wire system of lifting ear of ining succession is hung on operation platform and ensures that it can not drop
4), guard aperture pipe bit enters: after having hung guard aperture pipe, prepare creeping into of guard aperture pipe, first the double bond socket docking of the drilling rod and guard aperture pipe that are connected to double bond plug.After connecting, air compressor machine starts air feed, and starts rig, just can carry out guard aperture pipe bit and enter.When running into the complicated geological conditions such as oblique rock, rate of penetration is unsuitable too fast, and guard aperture pipe bit can be adopted when running into weak intercalated layer to enter the mode of creeping into down-the-hole air hammer and hocketing, and guard aperture pipe bit enters and must enter basement rock scar through covering layer.After guard aperture pipe bit enters to terminate, unscrewed drilling rod exits double bond plug, prepares creeping into of down-the-hole air hammer.
5), down-the-hole air hammer creeps into: the drilling rod be connected to before down-the-hole impact, the bottom is put into along in guide pipe and guard aperture pore, air compressor machine air feed, start rig, start rotary-percussion drilling, rational rotating speed and axial compression to be kept when creeping into, rate of penetration can not be accelerated by the method increasing axial compression and increase rotating speed, the wearing and tearing of alloy bit and the vibrations of rig can be caused like this, the rational rotating speed of rig is 10-30r/min, axial compression is greater than the kick of impactor, when creeping into design hole depth, just can pull out of hole.
6), pull out of hole: during trip-out, the drill bit of down-the-hole air hammer is first from hole on bottom, after carrying out clean-out opening, then stops air feed, preventing bit freezing, take up sleeve pipe and silt pours in down a chimney in impactor.After trip-out, drilling rod is separated with sinker bar, then hangs to platform.
(4) pore-forming inspection;
Pore-forming inspection mainly checks whether boring reaches projected depth, meets design requirement and just can carry out powder charge, do not meet the demands, repeat bore operation.Pore-forming inspection sounding line carries out hole depth measurement, simultaneously will with reference to fathogram herein.
(5) powder charge and lifting sleeve pipe;
The detonating material processed along guide pipe and guard aperture pipe, put into hole, lifting guard aperture pipe and guide pipe.
Beneficial effect of the present invention: " three pipes two bore " underwater drilling construction method is compared with conventional " two pipes one bore " underwater drilling technology, more adapt to the drilling construction under complex geological condition and flow condition, the construction of the underwater drilling and blasting construction such as in the larger situation of mountain stream water-head, coastal area tidal level change large regions, be conducive in the application of these regions " three pipes two bore " underwater drilling construction the development promoting these region waterway regulation workses, there is good social benefit;
" three pipes two bore " underwater drilling construction can substantially increase Completion of Drilling Hole rate under complicated geological and hydrologic condition, become the raising of porosity to avoid and repeat boring, improve efficiency of construction, shorten the construction period, effectively can save construction cost, there is good economic benefit;
The material of " three pipes two bore " underwater drilling construction middle sleeve adopts common seamless steel pipe, and draw materials easily, the processing of sleeve pipe directly can complete by cutting weldering, process easy, expense is few, and cost is low, the sleeve pipe processed can reuse, and has good economy;
Hang pipe speed in " three pipes two bore " underwater drilling construction fast, simple operation, has good generalization;
The above, be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any change of expecting without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (7)
1. one kind is bored quick-fried ship under water, it is characterized in that: comprise one and bore quick-fried ship, the quick-fried ship of this brill is provided with RTK-DGPS navigation system, the quick-fried ship of brill is provided with the rig of more than and the air compressor machine of more than, air compressor machine and rig point both sides are installed on bores on quick-fried ship, rig is provided with borehole drill construction, fore and the stern part of the quick-fried ship of described brill are all provided with more than one windlass, described borehole drill construction comprises guide pipe, guard aperture pipe and drilling rod, the upper end of described guide pipe is welded with a flange, the pipe shaft of guide pipe offers the line outlet groove that runs through guide pipe pipe shaft, the lower ending opening of guide pipe, guard aperture pipe is set in guide pipe from top to bottom, the upper end open end of described guard aperture pipe offers double bond socket, the lower end guard aperture pipe being positioned at this double bond socket is provided with the movable drop handle with lifting ear, wire rope is installed with in lifting ear, lifting ear is installed in the line outlet groove on guide pipe, the bottom of guard aperture pipe arranges an alloy bit, drilling rod is inserted in guide pipe from top to bottom.
2. according to claim 1ly bore quick-fried ship and drilling construction method thereof under water, it is characterized in that: described drilling rod is hollow shape, drilling rod upper end open end connects with air compressor machine, the lower end of drilling rod is installed a double bond plug or installs a down-the-hole air hammer, double bond socket in double bond plug and guard aperture pipe is fastened and connected, it is inner that down-the-hole air hammer is arranged at guard aperture pipe, and the bottom of down-the-hole air hammer stretches out in the outside of guard aperture pipe, and the bottom of down-the-hole air hammer arranges a drill hammer.
3. according to claim 1ly bore quick-fried ship and drilling construction method thereof under water, it is characterized in that: the diameter of described flange is 200mm, the length of line outlet groove is 30-40mm, and the external diameter of guide pipe is 168mm, and the wall thickness of guide pipe is 8-10mm.
4. according to claim 1ly bore quick-fried ship and drilling construction method thereof under water, it is characterized in that: the external diameter of described alloy bit is 130mm-140mm, the external diameter of guard aperture pipe is 127-133mm, and wall thickness is 5mm.
5. according to claim 1ly bore quick-fried ship and drilling construction method thereof under water, it is characterized in that: the external diameter of described drilling rod is 50mm, the outside diameter of down-the-hole air hammer is 105-115mm.
6. according to claim 1ly bore quick-fried ship and drilling construction method thereof under water, it is characterized in that: described alloy bit is carbide drill.
7. a underwater drilling construction method, is characterized in that, specifically comprises following step:
Step one, utilize RTK-DGPS system to carry out boring the location of quick-fried ship, rig is accurately navigated to the position needing to carry out holing;
Step 2: first hang guide pipe, then hang guard aperture pipe in water;
Step 3: the drilling rod being connected to double bond plug, connects the double bond socket of guard aperture pipe, air compressor machine air feed, and start creeping into of guard aperture pipe, until enter basement rock scar, air compressor machine is stopped the supple of gas or steam, and exits double bond plug;
Step 4: hang the drilling rod that is connected to down-the-hole air hammer to water-bed, air compressor machine air feed, start creeping into of down-the-hole air hammer, until reach standard at the bottom of the hole of designing requirement, air compressor machine is stopped the supple of gas or steam, and lifting is connected to the drilling rod of down-the-hole air hammer;
Step 5: carry out drilled-hole inspecting, sees whether boring meets projected depth requirement, and step 4 as multiple in discontented lumping weight, carries out next step if met the demands;
Step 6: the detonating material powder column processed is put into the hole of having bored along guide pipe and guard aperture pipe, lifting sleeve pipe;
Step 7: repeat step one to step 6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510732239.2A CN105370208A (en) | 2015-10-29 | 2015-10-29 | Underwater drill-burst ship and drilling construction method thereof |
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| CN201510732239.2A CN105370208A (en) | 2015-10-29 | 2015-10-29 | Underwater drill-burst ship and drilling construction method thereof |
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| CN201510732239.2A Pending CN105370208A (en) | 2015-10-29 | 2015-10-29 | Underwater drill-burst ship and drilling construction method thereof |
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| CN111706257A (en) * | 2020-03-31 | 2020-09-25 | 中铁大桥局集团第二工程有限公司 | Underwater rock drilling and blasting guide frame device and construction method thereof |
| CN113176069A (en) * | 2021-04-20 | 2021-07-27 | 哈尔滨工程大学 | Multi-stage transmission small-disturbance high-speed ice discharge test device and method |
| CN114198024A (en) * | 2021-11-02 | 2022-03-18 | 长江岩土工程有限公司 | Deep water drilling sleeve positioning device |
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| CN113176069A (en) * | 2021-04-20 | 2021-07-27 | 哈尔滨工程大学 | Multi-stage transmission small-disturbance high-speed ice discharge test device and method |
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| CN114198024B (en) * | 2021-11-02 | 2024-03-15 | 长江岩土工程有限公司 | Positioning device for deep water drilling sleeve |
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Application publication date: 20160302 |