EP2703596B1 - Dispositif de forage et procédé d'établissement d'un forage - Google Patents

Dispositif de forage et procédé d'établissement d'un forage Download PDF

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Publication number
EP2703596B1
EP2703596B1 EP12006182.5A EP12006182A EP2703596B1 EP 2703596 B1 EP2703596 B1 EP 2703596B1 EP 12006182 A EP12006182 A EP 12006182A EP 2703596 B1 EP2703596 B1 EP 2703596B1
Authority
EP
European Patent Office
Prior art keywords
support tube
drilling device
drilling
stirring
receiving container
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.)
Not-in-force
Application number
EP12006182.5A
Other languages
German (de)
English (en)
Other versions
EP2703596A1 (fr
Inventor
Stefan Michael Finkenzeller
Jürgen Klippenstein
Leonhard Weixler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bauer Maschinen GmbH
Original Assignee
Bauer Maschinen GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bauer Maschinen GmbH filed Critical Bauer Maschinen GmbH
Priority to EP12006182.5A priority Critical patent/EP2703596B1/fr
Priority to US14/424,993 priority patent/US20150322737A1/en
Priority to PCT/EP2013/064980 priority patent/WO2014032847A1/fr
Priority to CN201380045727.5A priority patent/CN104619945B/zh
Priority to CA2881293A priority patent/CA2881293C/fr
Publication of EP2703596A1 publication Critical patent/EP2703596A1/fr
Application granted granted Critical
Publication of EP2703596B1 publication Critical patent/EP2703596B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/18—Anchoring or feeding in the borehole
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • 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
    • 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

Definitions

  • the invention relates to a drilling device for creating a bore within a support tube in the ground according to the preamble of claim 1 and a method for creating a bore in the ground according to the preamble of claim 10.
  • a generic device and such a method are known from WO 03/085208 A1 known. Removed soil material is pumped from a receiving space of a housing to the surface. In the receiving space liquid is injected under high pressure to improve the flowability.
  • the EP 1 457 602 A2 teaches a method and apparatus for making a foundation member wherein the excavated soil material remains immediately in the wellbore and is mixed with liquid with the drilling tool and agitating elements mounted thereon in the wellbore. As the liquid, a settable suspension is supplied, so that the mixture mixed in the well remains therein and hardens to the foundation element.
  • the drilling apparatus comprises a housing which can be inserted into the support tube and fixed in a rotationally fixed manner on the support tube, a cutting device for removing soil material, a rotary drive for rotationally driving the cutting device and a feed device with which a rinsing liquid can be fed into a region of the cutting device.
  • a support tube is introduced into the ground, a drilling device used in the support tube and fixed to the support tube rotationally fixed, soil material removed by means of a rotationally driven cutting device of the drilling device and fed a rinsing liquid in a region of the cutting device.
  • Drilling arrangements with a drill device which can be fixed in a support tube are suitable in particular for creating boreholes under water, in particular in the offshore area.
  • Such devices and methods for anchoring of supporting structures in the seabed, such as a wind turbine can be used.
  • the drilling device can be introduced from a floating pontoon in the support tube. By means of the drilling device, the interior of the support tube and optionally an underlying area can be drilled out. The drilling device is supported on the support tube.
  • the invention has for its object to provide an apparatus and a method for creating a bore within a support tube, which allow a particularly economic well hole position, in which removed soil material can be efficiently removed from the wellbore.
  • the drilling device according to the invention is formed by the fact that above the cutting device, a receptacle is arranged, in which Sosagennes soil material is conveyed with the rinsing liquid that in the receptacle at least one stirring element for stirring the removed soil material is provided with the rinsing liquid and that a discharge device is provided, with which the removed soil material is discharged together with the rinsing liquid from the receptacle upwards.
  • the method according to the invention is formed in that abraded soil material is conveyed into a receptacle of the drilling device above the cutting device, that in the receptacle, the removed soil material is stirred with rinsing liquid and that the removed soil material is discharged upwards together with the rinsing liquid from the receptacle.
  • a basic idea of the invention can be seen in providing a drilling apparatus and a corresponding drilling method, which provide a continuous borehole setting allow inside and / or below a support tube.
  • a discharge device is provided, with which the removed soil material together with the rinsing liquid from the borehole or the support tube out, in particular to the soil surface, can be promoted.
  • the discharge device can in particular comprise a line and a pump.
  • a receiving container or agitating space in which removed soil material is stirred or mixed with the rinsing liquid by means of at least one stirring element.
  • the receiving container with the stirring element can also be referred to as a stirring container.
  • a clamping device is preferably provided, with which the housing can be clamped in the support tube.
  • the drilling device can in particular be clamped or clamped to a tube inner wall of the support tube.
  • the clamping device can have at least one clamping cylinder or punch which can be clamped against the inner wall of the support tube.
  • a plurality of clamping elements are distributed along the circumference of the drilling device.
  • the drilling device thus supported on the support tube.
  • the drilling device can be lowered by means of a rope, for example by a crane, into the support tube.
  • the rotary drive arranged in the drill device which can be braced in the support tube preferably drives a shaft which runs centrally within the drilling device.
  • the cutting device is arranged at the lower end of the shaft and driven in rotation about the shaft.
  • a conveyor in particular a screw conveyor, for conveying the ablated Soil material from the cutter disposed in the receptacle.
  • the conveyor or screw conveyor may, in particular together with the cutting device, be driven in rotation.
  • the cutting device comprises at least one arranged at the lower end of the screw conveyor or conveyor spiral, extending substantially radially extending cutting edge.
  • the at least one stirring element is preferably arranged on a guided through the stirring space, rotatably driven shaft.
  • the rotationally driven stirring element can also be provided on an outer wall of the receiving container.
  • the receptacle has a cylindrical shape.
  • the drive of the stirring element can be provided particularly economically by virtue of the fact that the cutting device and the stirring element can be driven jointly by the rotary drive.
  • a common rotary drive is provided for both the cutting device and the stirring elements.
  • a transmission gear can be provided.
  • Cutting device and stirring element are preferably driven by a common shaft.
  • a drilling head is provided, which can be braced in the support tube, and that a movable bottom part is provided with respect to the drilling head part, which comprises the cutting device and the receptacle.
  • the drilling head part is clamped in the support tube and pressed down the bottom of the drilling including cutter and receptacle.
  • the receptacle with the stirring means is thus always at a defined distance from the cutting device.
  • the tension of the drilling head part is released and the drilling head is traced to the drilling base. Then the drilling head part is clamped again in the support tube and carried out a further drilling step.
  • a feed cylinder For moving the lower part of the drill opposite the upper part of the drill, a feed cylinder is preferably provided.
  • the particular hydraulically operated feed cylinder pushes the bottom of the drill with drill head against the bottom hole.
  • the feed device and / or the discharge device have a telescopic line.
  • the telescoping line can be arranged in particular in the region between the drilling head and the drilling base, which are movable relative to each other.
  • the supply and / or discharge line connected to the lower drilling part can also be mounted axially displaceable within the drilling head part.
  • a particularly efficient mixing of the cuttings with the rinsing liquid can be achieved in that in addition to the at least one driven stirring element at least one fixed mixing element is arranged in the receptacle, which cooperates with the stirring element.
  • at least one fixed mixing element is arranged in the receptacle, which cooperates with the stirring element.
  • a plurality of stirring elements may be arranged on an inner shaft and a plurality of mixing elements on an inner surface of an outer wall of the receptacle.
  • the driven stirring elements and the fixed mixing elements are arranged axially offset from one another and overlap in the radial direction, so that a flow induced by the stirring elements is fluidized by the mixing elements.
  • a comminuting device For comminuting removed soil material before it is introduced into the stirring space, a comminuting device can be arranged below the stirring space.
  • the comminuting device can in particular form a constriction between the cutting device and the receptacle and have a conical guiding and breaking surface, arranged under the constriction, for guiding and breaking rock fragments.
  • the conveyor screw of the conveyor may be mounted for conveying the soil material along the guide and refractive surface of this.
  • the shredding device may be driven via the central shaft within the drilling device.
  • an upwardly tapering between the cutting device and the bottleneck below the stirring space Be formed delivery room In the tapered delivery chamber, a screw conveyor with an upwardly tapering cross section can be set up.
  • the invention relates to a drilling rig with a support tube which can be introduced into the ground and a boring device according to the invention which can be arranged in the support tube.
  • the support tube can preferably be introduced into the ground, for example, shake or screw in before the drilling device is inserted into the support tube.
  • soil material can be removed within and / or below the support tube, in which case the support tube can also be successively driven further into the ground.
  • the advantages described with reference to the drilling device are achieved.
  • the removed soil material can be reliably conveyed out of the borehole by the efficient mixing with the rinsing liquid, whereby a continuous borehole position over large borehole depths is possible.
  • a drilling device 10 according to the invention can be inserted into a support tube (not shown) and lowered into it.
  • the support tube is usually first introduced into the ground and possibly anchored and can then be drilled out by means of the drilled down drilling device.
  • the introduction of the support tube into the ground, for example the bottom of a body of water, can take place by means of a suitable and basically known insertion device, for example a piling device.
  • the support tube then serves on the one hand to support the borehole to be created and on the other hand as an abutment and guide for the drilling device 10 fixed therein.
  • the drilling apparatus 10 comprises a housing 12 which can be fixed or clamped in the support tube at different locations for performing a drilling operation.
  • the housing 12 may be designed as a frame structure and comprises a substantially cylindrical outer contour for insertion into the support tube.
  • a shaft 32 is rotatably supported via pivot bearings 33.
  • the shaft 32 is driven in rotation by means of a rotary drive 26 and drives a drill head with a cutting device 56.
  • the drilling device 10 comprises a drilling head 20 and a drilling base 40 mounted axially displaceably relative thereto.
  • a clamping device 22 is provided on the drilling head 20 or on the housing 12 of the drilling device 10, by means of which the drilling head 20 or the housing 12 rotates in the support tube. and can be clamped axially fixed, is.
  • the clamping device 22 may comprise hydraulically operated actuating cylinder, by means of which clamping elements can be pressed radially outwardly against an inner surface of the support tube.
  • a cable suspension 24 is provided, by means of which the drilling device 10 can be inserted into the support tube and pulled out of this.
  • the drill lower part 40 is movable downwards relative to the drill bit part 20 by means of one or more feed cylinders 30, in particular hydraulic cylinders, so that the drill bottom part 40 can be pressed against the drill hole bottom when the drill bit part is braced in the support tube.
  • the lower drilling part 40 comprises in its lower region a cutting device 56 for removing or separating soil material.
  • a receptacle 44 is arranged, in which a stirring chamber 45 is formed and in addition a conveyor 50 may be arranged.
  • the conveying device 50 serves to convey removed soil material from the cutting device 56 into the stirring chamber 45.
  • the stirring chamber 45 serves to mix the removed soil material with a rinsing liquid which is introduced into the borehole during the drilling process, preferably above the cutting device 56.
  • the lower drilling part 40 may have a guide device 42, which is supported on the support tube and thus ensures reliable guidance of the lower drilling part 40 within the support tube.
  • an agitator is arranged in an upper region.
  • the stirring device can be designed as a static mixer, but it is preferred in terms of an improved stirring performance that the stirring device comprises rotationally driven stirring elements 46.
  • the rotationally driven shaft 32 which drives the cutter 56 in rotation, extends centrally through the receptacle 44.
  • the shaft 32 also drives the screw conveyor 52 at.
  • the stirring members 46 are disposed on an outer periphery of the shaft 32 and are also rotated with the shaft 32.
  • Stirring elements 46 and mixing elements 48 overlap in the radial direction, so that a particularly efficient mixing within the stirring chamber 45 can take place.
  • Stirring elements 46 and mixing elements 48 are designed paddle-shaped and can also be referred to as Rrockpaddel or mixing paddles.
  • a supply device 60 with a supply line 62 and a conveyor or feed pump 64 is provided.
  • the feed line 62 extends in the illustrated embodiment eccentrically along the drilling device 10 and is telescopic. It opens in the region of the conveyor 50 above the cutting device 56 into the receptacle 44.
  • An inlet opening 66 of the supply line 62 is arranged so that the rinsing liquid is introduced transversely to the drilling axis in the region of the conveyor 50. The introduction preferably takes place under pressure, so that premixing with the removed soil material already takes place in the conveying device 50.
  • the feed pump 64 which is in particular a pressure pump, is arranged in the region of the drilling head part 20.
  • a discharge device 70 For discharging the cuttings and rinsing liquid existing suspension from the receptacle 44 and the stirring chamber 45 is a discharge device 70 with a discharge or suction line 72 and a discharge pump 74, in particular a suction pump, is provided.
  • the suction line 72 extends in the illustrated embodiment centrally within the drilling device 10 within the rotationally driven shaft 32.
  • a suction port 76 is provided on the shaft 32 and rotates together with this.
  • a ring-like rotary drive 26 is provided, through which the shaft 32 is passed.
  • the rotary drive 26 is located on the drilling head part 20.
  • the shaft 32 is designed to be telescopic and has at least two axially adjustable shaft elements, which are preferably coupled to each other for torque transmission by means of driver elements 34.
  • the supply line 62 and extending within the shaft 32 discharge line 72 are also designed to be telescopic.
  • the cutter 56 includes one or more cutting bars having a plurality of bits.
  • the cutter bar is attached to a lower end of a screw flight of the screw conveyor 52, respectively.
  • a stationary crushing or comminuting device 54 for breaking or crushing larger rocks is arranged below the stirring chamber 45, through which the removed soil material is conveyed by means of the conveyor 50 into the stirring chamber 45.
  • the constriction 53 has a passage cross section for the removed soil material, which is smaller than a cross section of the stirring chamber 45 and / or a removal cross section at the cutting device 56.
  • the crushing or comminution device 54 includes below the constriction 53 a conical guide surface 55, which conducts the removed soil material to the constriction 53 and optionally, in particular in cooperation with the screw conveyor 52, comminuted.
  • the screw conveyor 52 extends for this purpose along the conical guide surface 55 and is preferably attached to the conical guide surface 55.
  • an upwardly tapering delivery chamber is formed along the spiral conveying screw 52, in which larger pieces of material are comminuted or broken during conveyance in the direction of the mixing chamber 45.
  • the crushing or shredding device 54, in particular the conical guide surface 55 is preferably formed of a hardened material and may also be referred to as a cone or cone crusher.
  • the crusher 54 may be secured to the rotary driven shaft 32 and thus rotationally driven by the shaft 32.
  • the rotationally driven shaft 32 may extend in particular through the crushing or comminution device 54.
  • the screw conveyor 52 is disposed on an outer periphery of the cone-shaped crushing or crushing device 54.
  • a guide device 58 with a further, in particular conical pressure or guide surface 59 is arranged on one of the crushing or comminution device 54 radially opposite outer side.
  • the conical guide surface 59 is also shaped such that the free cross-section for the bottom material tapers upwards and preferably also formed from a hardened material.
  • the rinsing liquid is preferably added to the cuttings in the region of the conveyor 50 or the conveyor screw 52.
  • the introduction opening 66, or optionally a plurality of inlet openings 66, for introducing the rinsing liquid are preferably in the region of the crushing or crushing device 54, in particular in an outer region, which the crushing or comminuting device 54 or the conical guide surface 55 radially opposite, arranged.
  • an installation device for hydraulics and / or electrics is located on the drilling head part 20.
  • the drilling device 10 is preferably connectable via hydraulic and electrical lines to corresponding supply units outside the support tube.
  • soil can be excavated in a particularly efficient manner in a support tube anchored in the ground.
  • the removed soil material is transported away by means of a conveyor coil from the cutter, mixed with a rinsing liquid and stirred in a stirred container by means of driven stirring elements to prevent sedimentation of the solids content and to keep the cuttings in limbo.
  • the mixture of cuttings and liquid is sucked out of the stirring region by means of a suction pump. This results in a continuous removal of the soil material together with the introduced into the well irrigation, whereby a continuous soil excavation over large drilling depths is possible.

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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)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Earth Drilling (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Piles And Underground Anchors (AREA)

Claims (10)

  1. Dispositif de forage pour la réalisation d'un forage à l'intérieur d'un tube de support dans le sol, avec :
    - un boîtier (12), qui peut être installé dans le tube de support et immobilisé en rotation par rapport au tube de support,
    - un dispositif de coupe (56) pour l'enlèvement de matériau du sol,
    - un dispositif d'entraînement en rotation (26) pour l'entraînement en rotation du dispositif de coupe (56),
    - un dispositif d'alimentation (60) pour l'alimentation en liquide de lavage,
    - un réceptacle de stockage (44), qui est disposé au-dessus du dispositif de coupe (56) et dans lequel le matériau du sol ayant été enlevé peut être transféré, et
    - un dispositif d'évacuation (70), avec lequel le matériau du sol ayant été enlevé peut, en même temps que le liquide de lavage, être évacué vers le haut à partir du réceptacle de stockage (44),
    caractérisé :
    - en ce que le réceptacle de stockage (44) entoure un espace d'agitation (45), dans lequel au moins un élément d'agitation (46) entraîné en rotation est prévu pour le brassage du matériau du sol enlevé avec le liquide de lavage,
    - en ce qu'un dispositif de transfert (50) est disposé entre le dispositif de coupe (56) et le au moins un élément d'agitation (46), et
    - en ce que le liquide de lavage peut être amené dans une région du dispositif de coupe (56) par le dispositif d'alimentation (60).
  2. Dispositif de forage selon la revendication 1,
    caractérisé :
    en ce qu'un dispositif de serrage (22) est prévu, avec lequel le boîtier (12) peut être immobilisé par serrage dans le tube de support.
  3. Dispositif de forage selon la revendication 1 ou 2,
    caractérisé :
    en ce que le dispositif de transfert (50) disposé entre le dispositif de coupe (56) et le au moins un élément d'agitation (46) est formé par un transporteur hélicoïdal (52).
  4. Dispositif de forage selon une des revendications 1 à 3,
    caractérisé :
    en ce que le dispositif de coupe (56) et le au moins un élément d'agitation (46) peuvent être entraînés ensemble par le dispositif d'entraînement en rotation (26).
  5. Dispositif de forage selon une des revendications 1 à 4,
    caractérisé :
    en ce qu'une partie supérieure de forage (20) est prévue, qui peut être serrée dans le tube de support, et
    en ce qu'une partie inférieure de forage (40), déplaçable par rapport à la partie supérieure de forage (20), est prévue et entoure le dispositif de coupe (56) et le réceptacle de stockage (44).
  6. Dispositif de forage selon la revendication 5,
    caractérisé :
    en ce qu'un vérin de réglage (30) est prévu, avec lequel la partie inférieure de forage (40) peut être déplacée par rapport à la partie supérieure de forage (20).
  7. Dispositif de forage selon une des revendications 1 à 6,
    caractérisé :
    en ce que le dispositif d'alimentation (60) et/ou le dispositif d'évacuation (70) comprend un conduit télescopique (62, 72).
  8. Dispositif de forage selon une des revendications 1 à 7,
    caractérisé :
    en ce qu'au moins un élément de mélange (48) fixe est disposé dans le réceptacle de stockage (44), en plus du au moins un élément d'agitation (46) entraîné, et coopère avec l'élément d'agitation (46).
  9. Equipement de forage avec un tube de support pouvant être introduit dans le sol et avec un dispositif de forage (10) selon l'une des revendications 1 à 8 qui peut être disposé dans le tube de support.
  10. Procédé de réalisation d'un forage dans le sol, plus particulièrement au moyen d'un dispositif de forage (10) selon une des revendications 1 à 8 et/ou d'un équipement de forage selon la revendication 9, selon lequel :
    - un tube de support est introduit dans le sol ;
    - un dispositif de forage (10) est installé dans le tube de support et est immobilisé en rotation par rapport au tube de support ;
    - du matériau de sol est enlevé au moyen d'un dispositif de coupe (56), entraîné en rotation, du dispositif de forage (10),
    - un liquide de lavage est distribué,
    - le matériau du sol enlevé est transféré dans un réceptacle de stockage (44) du dispositif de forage (10), au-dessus du dispositif de coupe (56), et
    - à partir du réceptacle de stockage (44), le matériau du sol enlevé et, avec lui, le liquide de lavage sont évacués vers le haut,
    caractérisé :
    - en ce que le matériau du sol enlevé et le liquide de lavage sont brassés dans un espace d'agitation (45) du réceptacle de stockage (44) au moyen d'au moins un élément d'agitation (46) entraîné en rotation,
    - en ce que le liquide de lavage est distribué dans une région du dispositif de coupe (56), et
    - en ce que le matériau du sol enlevé et le liquide de lavage sont transférés dans l'espace d'agitation (45) du réceptacle de stockage (44).
EP12006182.5A 2012-08-31 2012-08-31 Dispositif de forage et procédé d'établissement d'un forage Not-in-force EP2703596B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP12006182.5A EP2703596B1 (fr) 2012-08-31 2012-08-31 Dispositif de forage et procédé d'établissement d'un forage
US14/424,993 US20150322737A1 (en) 2012-08-31 2013-07-16 Drilling device and method for producing a bore
PCT/EP2013/064980 WO2014032847A1 (fr) 2012-08-31 2013-07-16 Dispositif de forage et procédé de forage
CN201380045727.5A CN104619945B (zh) 2012-08-31 2013-07-16 用于产生孔的钻孔装置以及方法
CA2881293A CA2881293C (fr) 2012-08-31 2013-07-16 Dispositif de forage et procede de production d'un alesage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12006182.5A EP2703596B1 (fr) 2012-08-31 2012-08-31 Dispositif de forage et procédé d'établissement d'un forage

Publications (2)

Publication Number Publication Date
EP2703596A1 EP2703596A1 (fr) 2014-03-05
EP2703596B1 true EP2703596B1 (fr) 2015-02-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP12006182.5A Not-in-force EP2703596B1 (fr) 2012-08-31 2012-08-31 Dispositif de forage et procédé d'établissement d'un forage

Country Status (5)

Country Link
US (1) US20150322737A1 (fr)
EP (1) EP2703596B1 (fr)
CN (1) CN104619945B (fr)
CA (1) CA2881293C (fr)
WO (1) WO2014032847A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3336301A1 (fr) 2016-12-19 2018-06-20 BAUER Maschinen GmbH Perforatrice rotative et procédé de fabrication d'un alésage

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3361040B1 (fr) 2017-02-13 2019-11-27 BAUER Maschinen GmbH Outil de traitement de sol et procédé de production d'un trou dans le sol
EP4004331B1 (fr) * 2019-07-24 2024-03-27 Herrenknecht AG Tête de forage et procédé pour la réalisation d'un forage vertical dans le sol
EP3862528B1 (fr) * 2020-02-04 2023-01-11 BAUER Maschinen GmbH Appareil de forage d'un trou et procédé de production d'un trou

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EP3336301A1 (fr) 2016-12-19 2018-06-20 BAUER Maschinen GmbH Perforatrice rotative et procédé de fabrication d'un alésage
WO2018114230A1 (fr) 2016-12-19 2018-06-28 Bauer Maschinen Gmbh Outil de forage rotatif et procédé permettant de produire un trou de forage
US10934779B2 (en) 2016-12-19 2021-03-02 Bauer Maschinen Gmbh Rotary drilling tool and method for producing a bore

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CA2881293C (fr) 2017-05-16
WO2014032847A1 (fr) 2014-03-06
CN104619945A (zh) 2015-05-13
CA2881293A1 (fr) 2014-03-06
EP2703596A1 (fr) 2014-03-05
CN104619945B (zh) 2016-09-14
US20150322737A1 (en) 2015-11-12

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