EP0855490A2 - Bohrvorrichtung und Drehmomentstütze für eine Bohrvorrichtung - Google Patents
Bohrvorrichtung und Drehmomentstütze für eine Bohrvorrichtung Download PDFInfo
- Publication number
- EP0855490A2 EP0855490A2 EP98101099A EP98101099A EP0855490A2 EP 0855490 A2 EP0855490 A2 EP 0855490A2 EP 98101099 A EP98101099 A EP 98101099A EP 98101099 A EP98101099 A EP 98101099A EP 0855490 A2 EP0855490 A2 EP 0855490A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- drill string
- drilling
- pump
- stator
- hose
- 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.)
- Withdrawn
Links
Images
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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
- E21B21/015—Means engaging the bore entrance, e.g. hoods for collecting dust
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D1/00—Sinking shafts
- E21D1/03—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws
- E21D1/06—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws with shaft-boring cutters
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/13—Devices for removing or hauling away excavated material or spoil; Working or loading platforms using hydraulic or pneumatic conveying means
Definitions
- the invention relates to a drilling device for manufacturing of earth bores according to the preamble of claim 1. Die The invention further relates to a torque arm for a Drilling device for tapping a torque on a location of a drill string distant from a drilling tool in an earth hole.
- the drilling head with the drilling tools either directly with air or a flushing liquid or indirectly by means of air lifting or suction drilling rinse free.
- the air or the flushing liquid are in a channel along the drill string in a hose from the working level to the bottom of the borehole. Via a flushing head on the external rotary drive the different relative movement between the standing pump or a compressor and the rotating Drill string overcome in the drilling tool.
- These known drilling devices for making earth bores thus have a drill string, a non-rotatable attached drilling tool, a drive for rotating Driving the drill string, a pumping device and a fluid line, which extends from the pumping device extends to the drilling tool to by means of the pump device to generate a fluid flow on the drilling tool.
- the invention has for its object to provide a drilling device with which a simple and energy-saving removal of cuttings from the drilling tool is made possible. It is a further object to provide a torque support for a drilling device, by means of which a torque for driving an auxiliary unit can be tapped from a drill string in an earth borehole.
- the first part of the task is accomplished according to the invention a drilling device with the characterizing features of Claim 1 solved.
- a simple one Peristaltic pump installed behind the drilling tool in the borehole.
- the pump is activated by the rotation of the drill string, for example a Kelly rod.
- the pump device has a hose which is on the drill string attached non-rotatably via a suitable holding device is.
- the hose rotates with the drill string and forms a rotor of the pump device.
- the hose runs to squeezing Stator arms of the stator over, which rotatably on the borehole wall is supported.
- a Pressure to flush the drilling tool or suction to Suction off the cuttings can be set.
- While one hose end with one leading to the drilling tool The other hose end is connected to the fluid line in connection with a fluid reservoir, which at a simple version of surrounding air or flushing liquid can be.
- the hose end can also be used with an outside the well arranged container in line connection stand. In any case, the invention does not apply Drill an energy transfer from one additional fixed energy generator on the rotating Drilling tool.
- a preferred embodiment of the invention consists in that the pump stator is axially fixed on the drill string is.
- the pump stator can thus as the drilling progresses follow the hose.
- the pump stator is a torque arm has, which on the wall of the earth hole in the direction of rotation when drilling firmly and in the longitudinal direction of the The drill string is sliding.
- the pump stator can be so special simply mounted on the drill string and accordingly track the drilling progress with the drill string will.
- the drilling tool is a core drill pipe with a Has channel and that the hose and the channel to Form the fluid line are connected.
- This makes particularly good drilling progress ensures that a container for Recording of rinsing liquid and cuttings is arranged and that a pipe between the container and a soil removal device is provided on the drilling tool.
- This pipe can, for example, accumulate cuttings be sucked into the container, which when removing the Drilling tools are emptied from the drilled hole can.
- the container can also be used as a rinsing liquid reservoir be used.
- stator arm squeezing the hose on its free end has a role around one to Longitudinal direction of the drill string parallel roller axis rotatable is stored.
- the role is wear on Hose due to the relative movement in relation to the stator arm largely avoided.
- the pump stator has several stator arms distributed uniformly over its circumference. In particular two, in each 180 o angle arranged stator arms are provided.
- the torque arm according to the invention allows a division of the torque of a drill rod near the Point of action carried out in the production of earth bores will.
- a torque arm resting relative to it can be a tap mechanical performance for any required Secondary drives or auxiliary units used can be.
- Such an auxiliary unit can in particular be a pump which is used to remove cuttings from the bottom of the borehole.
- the drive power of the drilling device or the turret in general greater than the power required for the drilling process. Therefore it is possible without changes to the device, for the Secondary drive required part of this power over the To transport the drill string to the active site.
- the torque arm according to the invention Compared to conventional devices where one is needed Drive power in the form of electrical, pneumatic or hydraulic energy from somewhere outside the borehole is supplied to an auxiliary unit the torque arm according to the invention has clear advantages. This eliminates the complex form of energy transmission from a fixed energy generator to the rotating one Tool. Since further the torque arm according to the invention can be placed in the borehole behind the drilling tool, the problem of adjusting the length of the power line is eliminated when drilling progress, especially when drilling Kelly rods can be used.
- the holder opposite the Basic bodies are displaceable.
- the pressure device has a spring mechanism, which the holder with the rolling elements with a defined Compressive force against the wall of the borehole.
- the invention Torque arm is so by spring force constantly in contact with the cased or uncased Wall of the borehole held. Thanks to the radial feed stroke the rolling elements can differ in diameter, for example at the transition from the drill pipe to the outgoing one Hole to be compensated.
- a preferred pivoting out of the holder is achieved that the holder on the base body around a bolt are pivotally mounted, parallel to the longitudinal axis of the drill string is directed.
- each holder a radially inward projecting lever arm and that between the lever arm and a compression spring is arranged on the base body, which the holder in its radially outer position presses.
- the torque transmission takes place according to the invention according to the principle of self-locking through friction in the circumferential direction. It differs from that known as a "freewheel" machine element in that in axial direction through the use of rolling elements none Self-locking starts.
- the pressure force of the compression spring is set the friction forces of the torque arm in the feed direction to keep as low as possible. For example when drilling with Kelly boring bars it becomes the oscillating one Movement when drilling hardly affected.
- a stop for each holder on the base body is provided, against which the holder rests during drilling.
- the stop thus fixes the holder in its position.
- the drill string becomes one that is in contact with the stop Lever arm of the holder turned away from the stop, see above that the self-locking of the mechanism is released.
- a drive for example one Pump, only ensured in an admissible direction of rotation.
- the torque arm before the upward movement by briefly turning back the drill string the torque arm cannot be released from the tension.
- Torque arm for setting the maximum permissible diameter, on which the rolling elements can swing out is one according to the invention Torque arm further developed in that an adjustment device is provided on each stop, with which the deflection of the respective holder during drilling is adjustable.
- FIG. 1 has a drilling device according to the invention 10 a pump device 11. This is on a drill string 13, which in the illustrated embodiment a Kelly boring bar is attached in one place, which within a drilled hole 20 in a ground 21 lies.
- a drilling tool 14 is also located on the drill string 13 attached below the pump device 11.
- the drilling tool 14 is as a cylindrical one Core drill pipe with roller bits 22 for removal of the ground.
- a fluid line 12 leads from the pump device 11 a channel 19 on the drilling tool 14 to the head side Roller chisels 22.
- By means of an arrow P2 directional fluid flow become the roller bits 22 washed around and freed from cuttings 24.
- Via one on the drilling tool 14 pipe 25 arranged parallel to the drill string 13 becomes the cuttings 24 according to the arrows P3 and P4 up into a container 26 on the drilling tool 14 promoted. From there, the cuttings 24 can be pulled out of the drilling tool 14 removed from the earth hole 20 will.
- the arrangement of the roller chisel 22 and the suction tube 24 on The scope of the drilling tool 14 can be the view according to FIG. 4 be removed.
- the pump device 11 As a rotor the pump device 11 is served by a hose 15 which is connected via a Carrier 16 attached to the drill string 13 in a rotationally fixed manner is.
- the hose 15 essentially surrounds the drill pipe 13 semi-circular at a constant distance.
- a Output 18 of the hose 15 is led down and communicates with the fluid line 12.
- the fluid can be air or Be rinsing liquid.
- a Pump stator 30 with two radially from a bearing device 31 outwardly extending stator arms 32 are provided. At the free end of the two stator arms 32 is in each case a roller 33 is arranged, which squeezes the elastic Hose 15 is present.
- the rollers 33 are parallel to Axles 34 arranged along the longitudinal axis of the drill string 13 are rotatable mounted on the stator arms 32.
- the pump stator 30 is on the drill string 13 via the bearing device 31 rotatable but axially fixed. over a torque arm 40 with four mutually perpendicular arranged brackets 41, which extend radially from the bearing sleeve 31 extend outwards, the pump stator 30 supported against a wall 27 of the earth bore 20 and against this rotatable.
- a torque arm 40 with four mutually perpendicular arranged brackets 41, which extend radially from the bearing sleeve 31 extend outwards, the pump stator 30 supported against a wall 27 of the earth bore 20 and against this rotatable.
- For axial displacement of the Torque support 40 and the pump stator 30 in the earth hole 20 according to the drilling progress are on the free Ends of the four holder 41 rolling elements 42 arranged around a horizontally directed axis 43 each rotatably mounted are.
- a respective Spring mechanism 44 mounted radially.
- the direction of rotation shown by arrows D is a fluid flow generated towards the drilling tool 14.
- the illustrated drilling device 10 in the Fluid line 12 can also be set a negative pressure, through which the cuttings 24 pass through the fluid line 12 is suctioned off in the direction of the pump device 11.
- Torque arm 140 explains that also for the drilling device described above can be used.
- the torque arm 140 comprises a base body 145 which with respect to one passed through a central opening 156 Drill string 113 is rotatably supported by bearings 119 is.
- the bearings 119 are axial and radial bearings, so that an axial displacement of the base body 145 relative to the Drill string 113 is prevented.
- the base body 145 is composed of two mutually parallel Plates 146, 147 built between which holder 141 with roller bodies 142 are attached.
- Distributed holders 161 have bearings for storing the rolling bodies 142 an axis 143 which is perpendicular to the longitudinal axis of the Drill string is 113 and in the direction of the rotational movement of drill string 113 has. So is the necessary power to Moving the torque arm 140 in the direction of displacement V low.
- the holders 141 are each pivotable via a bolt 148 mounted on the base body 145.
- the center of the Bolt axis of the respective bolt 148 is opposite one from the longitudinal axis of drill string 113 to the center of the Rolling element 142 extending radius beam 149 by an amount e offset against the direction of rotation D of drill string 113. Due to the constructive design the eccentricity e can be the magnitude of the contact and frictional forces be easily influenced.
- these are supported against one Support plate 151 on the base body 145 and press on the other hand against a radially inwardly extending lever arm 152 the respective holder 141.
- a certain spring preload the holder 141 guides the self-locking phase a.
- an adjusting device 153 is provided for setting the maximum swivel path of the holder 141 .
- This includes a stop 154 firmly connected to the base body 145 and the adjusting screws 155 located therein.
- the Torque support 140 in the direction of rotation D press the Lever arms 152 against the set screws 155 so that the Holder 141 with the rolling elements 142 in their radially protruding Location are fixed. If the direction of rotation is reversed the holder 141 against the pressure direction of the compression springs 150 released from their tense position.
- suitable Connection devices can be on the torque arm Cantilever arms are attached, which as a stator for Torque tap can serve against a rotor.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Earth Drilling (AREA)
Abstract
Description
- daß die Pumpeinrichtung einen Schlauch aufweist, der drehfest am Bohrstrang gehaltert ist und um diesen zumindest teilkreisförmig herum in einem konstanten Abstand angeordnet ist,
- daß ein Pumpenstator vorgesehen ist, der einerseits um den Bohrstrang drehbar gelagert und andererseits gegenüber einer Wandung der Erdbohrung drehfest abgestützt ist,
- daß der Pumpenstator einen sich radial zum Bohrstrang erstreckenden Statorarm aufweist, der zwischen dem Bohrstrang und dem Schlauch angeordnet ist, und
- daß der Statorarm bereichsweise am Schlauch quetschend anliegt, wobei der Statorarm bei mit dem Bohrstrang rotierendem Schlauch diesen überstreicht.
- einem Grundkörper, der eine mittig angeordnete Öffnung zum Durchführen des Bohrstranges aufweist,
- einer Lagereinrichtung an der Öffnung zum drehbaren Lagern des Grundkörpers am Bohrstrang,
- mindestens drei voneinander beabstandet am Grundkörper angeordneten Haltern, die sich radial zur Längsachse des durch die Öffnung hindurchzuführenden Bohrstranges vom Grundkörper weg erstrecken,
- mindestens einem Wälzkörper an jedem Halter, an dem der Wälzkörper um eine Achse drehbar gelagert ist, die jeweils senkrecht zur Längsachse des durch die Öffnung durchzuführenden Bohrstranges und tangential zu dessen Rotationsrichtung an den Haltern angeordnet sind, und
- einer Druckeinrichtung zum Erzeugen einer Druckkraft, welche die Halter mit den Wälzkörpern im wesentlichen radial nach außen vom Grundkörper weg drückt.
- Fig. 1
- eine Querschnittsansicht einer erfindungsgemäßen Bohrvorrichtung in einer Erdbohrung;
- Fig. 2
- eine Schnittdarstellung gemäß dem Schnitt A-A in Figur 1;
- Fig. 3
- eine Schnittdarstellung gemäß dem Schnitt B-B in Figur 1;
- Fig. 4
- eine Schnittdarstellung gemäß dem Schnitt C-C in Figur 1;
- Fig. 5
- eine teilweise geschnittene Draufsicht auf eine erfindungsgemäße Drehmomentstütze in einer Erdbohrung;
- Fig. 6
- eine Schnittdarstellung gemäß dem Schnitt A-A in Figur 5; und
- Fig. 7
- eine Schnittdarstellung gemäß dem Schnitt B-B in Fig. 5.
Claims (15)
- Bohrvorrichtung zum Herstellen von Erdbohrungen miteinem Bohrstrang (13),einem daran drehfest angebrachten Bohrwerkzeug (14),einem Antrieb zum rotierenden Antreiben des Bohrstranges (13),einer Pumpeinrichtung (11) undeiner Fluidleitung (12), welche sich von der Pumpeinrichtung (11) zu dem Bohrwerkzeug (14) erstreckt, um mittels der Pumpeinrichtung (11) am Bohrwerkzeug (14) eine Fluidströmung zu erzeugen,
dadurch gekennzeichnet,daß die Pumpeinrichtung (11) einen Schlauch (15) aufweist, der drehfest am Bohrstrang (13) gehaltert ist und um diesen zumindest teilkreisförmig herum in einem konstanten Abstand angeordnet ist,daß ein Pumpenstator (30) vorgesehen ist, der einerseits um den Bohrstrang (13) drehbar gelagert und andererseits gegenüber einer Wandung (27) der Erdbohrung (20) drehfest abgestützt ist,daß der Pumpenstator (30) einen sich radial zum Bohrstrang (13) erstreckenden Statorarm (32) aufweist, der zwischen dem Bohrstrang (13) und dem Schlauch (15) angeordnet ist, unddaß der Statorarm (32) bereichsweise am Schlauch (15) quetschend anliegt, wobei der Statorarm (32) bei mit dem Bohrstrang (13) rotierendem Schlauch (15) diesen überstreicht. - Bohrvorrichtung nach Anspruch 1,
dadurch gekennzeichnet,daß der Pumpenstator (32) axial fest auf dem Bohrstrang (13) gelagert ist. - Bohrvorrichtung nach Anspruch 1 oder 2,
dadurch gekennzeichnet,daß der Pumpenstator (32) eine Drehmomentstütze (40, 140) aufweist, welche an der Wandung (27) der Erdbohrung (20) in Rotationsrichtung beim Bohren fest und in Längsrichtung des Bohrstranges (13) verschiebbar anliegt. - Bohrvorrichtung nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet,daß das Bohrwerkzeug (14) ein Kernbohrrohr mit einem Kanal (19) aufweist unddaß der Schlauch (15) und der Kanal (19) zum Bilden der Fluidleitung (12) verbunden sind. - Bohrvorrichtung nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet,daß am Bohrwerkzeug (14) ein Behälter (26) zur Aufnahme von Spülflüssigkeit und Bohrklein (24) angeordnet ist, unddaß ein Rohr (25) zwischen dem Behälter (26) und einer Bodenabtragseinrichtung am Bohrwerkzeug (14) vorgesehen ist. - Bohrvorrichtung nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet,daß der Statorarm (32) an seinem, den Schlauch (15) quetschenden freien Ende eine Rolle (33) aufweist, die um eine zur Längsachse des Bohrstranges (13) parallele Rollenachse (34) drehbar gelagert ist. - Bohrvorrichtung nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet,daß der Pumpenstator (30) mehrere gleichmäßig über seinen Umfang verteilte Statorarme (32) aufweist. - Bohrvorrichtung nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet,daß mehrere Pumpeinrichtungen (11) am Bohrstrang (13) angeordnet sind. - Drehmomentstütze für eine Bohrvorrichtung, insbesondere nach einem der Ansprüche 1 bis 8,
zum Abgreifen eines Drehmoments an einer von einem Bohrwerkzeug entfernten Stelle eines Bohrstranges in einer Erdbohrung, miteinem Grundkörper (145), der eine mittig angeordnete Öffnung (156) zum Durchführen des Bohrstrangs (13) aufweist,einer Lagereinrichtung (119) an der Öffnung (156) zum drehbaren Lagern des Grundkörpers (145) am Bohrstrang (113),mindestens drei voneinander beabstandet am Grundkörper (145) angeordneten Haltern (141), die sich radial zur Längsachse des durch die Öffnung (156) durchzuführenden Bohrstranges (13) vom Grundkörper (145) weg erstrecken,mindestens einem Wälzkörper (142) an jedem Halter, an dem der Wälzkörper (142) um eine Achse (143) drehbar gelagert ist, die jeweils senkrecht zur Längsachse des Bohrstranges (113) und tangential zu dessen Rotationsrichtung an den Haltern (141) sind, undeiner Druckeinrichtung (144) zum Erzeugen einer Druckkraft, welche die Halter (141) mit den Wälzkörpern (142) im wesentlichen radial nach außen vom Grundkörper (145) weg drückt. - Drehmomentstütze nach Anspruch 9,
dadurch gekennzeichnet,daß die Halter (141) gegenüber dem Grundkörper verschiebbar sind. - Drehmomentstütze nach Anspruch 9 oder 10,
dadurch gekennzeichnet,daß die Druckeinrichtung (144) einen Federmechanismus aufweist, der die Halter (141) mit den Wälzkörpern (142) mit einer definierten Druckkraft gegen die Wandung (27) der Erdbohrung (20) drückt. - Drehmomentstütze nach Anspruch 9 oder 11,
dadurch gekennzeichnet,daß die Halter (141) jeweils am Grundkörper (145) um einen Bolzen (148) schwenkbar gelagert sind, der parallel zur Längsachse des Bohrstranges (113) gerichtet ist. - Drehmomentstütze nach einem der Ansprüche 9 bis 12,
dadurch gekennzeichnet,daß jeder Halter (141) einen radial nach innen ragenden Hebelarm (152) aufweist unddaß zwischen dem Hebelarm (152) und dem Grundkörper (145) eine Druckfeder (150) angeordnet ist, welche den Halter (141) in seine radial außenliegende Position drückt. - Drehmomentstütze nach einem der Ansprüche 9 bis 13,
dadurch gekennzeichnet,daß ein Anschlag (154) für jeden Halter (141) am Grundkörper (145) vorgesehen ist, an den der Halter (141) beim Bohren anliegt. - Drehmomentstütze nach Anspruch 14,
dadurch gekennzeichnet,daß eine Justiereinrichtung (153) an jedem Anschlag (154) vorgesehen ist, mit der die Auslenkung des jeweiligen Halters (141) beim Bohren einstellbar ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702533 | 1997-01-24 | ||
| DE19702533A DE19702533A1 (de) | 1997-01-24 | 1997-01-24 | Bohrvorrichtung und Drehmomentstütze für eine Bohrvorrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0855490A2 true EP0855490A2 (de) | 1998-07-29 |
| EP0855490A3 EP0855490A3 (de) | 2000-03-29 |
Family
ID=7818266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98101099A Withdrawn EP0855490A3 (de) | 1997-01-24 | 1998-01-22 | Bohrvorrichtung und Drehmomentstütze für eine Bohrvorrichtung |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0855490A3 (de) |
| JP (1) | JPH10231675A (de) |
| KR (1) | KR19980070790A (de) |
| CN (1) | CN1198502A (de) |
| DE (1) | DE19702533A1 (de) |
| SG (1) | SG71749A1 (de) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2113632A1 (de) | 2008-04-28 | 2009-11-04 | BAUER Maschinen GmbH | Anschlussvorrichtung zum Bilden einer Fluidzuführung |
| CN101525978B (zh) * | 2009-02-18 | 2012-02-01 | 陈月辉 | 水压自动钻孔机构 |
| WO2017167856A1 (de) * | 2016-04-01 | 2017-10-05 | Nk Trading And Engineering Gmbh | Bohrverfahren und schachtbohrsystem |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10310726B3 (de) * | 2003-03-12 | 2004-09-30 | Bauer Spezialtiefbau Gmbh | Kernbohrvorrichtung mit Spülung |
| JP3968054B2 (ja) * | 2003-06-02 | 2007-08-29 | 日立ビアメカニクス株式会社 | プリント基板加工機 |
| DE10328609B3 (de) * | 2003-06-25 | 2004-12-02 | Bauer Maschinen Gmbh | Nassbohrwerkzeug, Bohranlage und Verfahren zum Niederbringen einer Bohrung im Boden |
| JP5273568B2 (ja) * | 2010-05-20 | 2013-08-28 | 独立行政法人日本原子力研究開発機構 | 孔内起振源 |
| RU2435922C1 (ru) * | 2010-06-07 | 2011-12-10 | Открытое акционерное общество "Татнефть" имени В.Д. Шашина | Устройство для бурения направления с циркуляцией и защиты почвы при строительстве скважины |
| BR112014005089A2 (pt) * | 2011-09-06 | 2017-06-13 | Christiaan Gouws Petrus | equipamentos de perfuração e operacional auxiliar |
| JP7112813B2 (ja) * | 2018-05-21 | 2022-08-04 | Jfeシビル株式会社 | 残土除去装置及び残土除去システム |
| CN112196463B (zh) * | 2020-09-30 | 2022-10-04 | 中油国家油气钻井装备工程技术研究中心有限公司 | 一种快速移运钻井泵组拖撬 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1388713A (en) * | 1972-03-24 | 1975-03-26 | Russell M K | Directional drilling of boreholes |
| US4809790A (en) * | 1987-09-04 | 1989-03-07 | Manchak Frank | Device for sampling soils and retaining volatiles therein and method of using same |
-
1997
- 1997-01-24 DE DE19702533A patent/DE19702533A1/de not_active Withdrawn
-
1998
- 1998-01-22 EP EP98101099A patent/EP0855490A3/de not_active Withdrawn
- 1998-01-23 KR KR1019980002106A patent/KR19980070790A/ko not_active Ceased
- 1998-01-23 SG SG1998000164A patent/SG71749A1/en unknown
- 1998-01-24 CN CN98105981A patent/CN1198502A/zh active Pending
- 1998-01-26 JP JP10012710A patent/JPH10231675A/ja active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2113632A1 (de) | 2008-04-28 | 2009-11-04 | BAUER Maschinen GmbH | Anschlussvorrichtung zum Bilden einer Fluidzuführung |
| AU2009201456B2 (en) * | 2008-04-28 | 2010-09-23 | Bauer Maschinen Gmbh | Connection device for forming a fluid supply |
| US8002051B2 (en) | 2008-04-28 | 2011-08-23 | Bauer Maschinen Gmbh | Connection device for forming a fluid supply |
| KR101067726B1 (ko) * | 2008-04-28 | 2011-09-28 | 바우어 머쉬넨 게엠베하 | 유체를 공급하기 위한 연결 장치 |
| CN101525978B (zh) * | 2009-02-18 | 2012-02-01 | 陈月辉 | 水压自动钻孔机构 |
| WO2017167856A1 (de) * | 2016-04-01 | 2017-10-05 | Nk Trading And Engineering Gmbh | Bohrverfahren und schachtbohrsystem |
| AU2017242643B2 (en) * | 2016-04-01 | 2020-01-23 | Nk Trading And Engineering Gmbh | Drilling method and shaft drilling system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH10231675A (ja) | 1998-09-02 |
| DE19702533A1 (de) | 1998-07-30 |
| SG71749A1 (en) | 2000-04-18 |
| KR19980070790A (ko) | 1998-10-26 |
| EP0855490A3 (de) | 2000-03-29 |
| CN1198502A (zh) | 1998-11-11 |
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