EP1668220B1 - Procede et dispositif de forage dans de la terre ou de la pierre - Google Patents

Procede et dispositif de forage dans de la terre ou de la pierre Download PDF

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Publication number
EP1668220B1
EP1668220B1 EP04761046A EP04761046A EP1668220B1 EP 1668220 B1 EP1668220 B1 EP 1668220B1 EP 04761046 A EP04761046 A EP 04761046A EP 04761046 A EP04761046 A EP 04761046A EP 1668220 B1 EP1668220 B1 EP 1668220B1
Authority
EP
European Patent Office
Prior art keywords
jacket tube
drill bit
tube
drill
jacket
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
EP04761046A
Other languages
German (de)
English (en)
Other versions
EP1668220A1 (fr
Inventor
Josef Mocivnik
Renè EGGER-MOCIVNIK
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.)
Alwag Tunnelausbau GmbH
Original Assignee
Alwag Tunnelausbau 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 Alwag Tunnelausbau GmbH filed Critical Alwag Tunnelausbau GmbH
Publication of EP1668220A1 publication Critical patent/EP1668220A1/fr
Application granted granted Critical
Publication of EP1668220B1 publication Critical patent/EP1668220B1/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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • 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
    • E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
    • 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

Definitions

  • the present invention relates to a method for drilling, in particular impact or rotary impact drilling, of holes in soil or rock material, wherein a borehole is formed by a drill bit mounted on a drill bit by a striking and / or rotating movement and a coat or Cladding tube is introduced into the wellbore, wherein mined material via at least one opening in the region of the connection point between the drill bit and an adjoining jacket tube and / or at least one provided at a distance from the connection point between the drill bit and the jacket passage opening in between the outer periphery the annulus and the inner circumference of the casing tube and the subsequent cladding tube defined annular space is introduced and discharged from the wellbore.
  • the invention further relates to a device for drilling, in particular impact or rotary impact drilling holes in soil or rock material, wherein a drill bit mounted on a drill string by a striking and / or rotating movement forms a borehole and a jacket or sheath in the borehole can be introduced, wherein in the region of fixing the casing pipe adjoining the drill bit and / or an associated impact shoe or adapter at least one passage opening for introducing degraded material into between the outer periphery of the drill pipe and the inner circumference of the casing pipe and the thereto annulus forming annular space formed is provided, and that provided at a distance from the junction between the drill bit and / or the adapter and the jacket tube at least one passage opening at the periphery of the jacket tube is, which opens into the interior of the defined between the outer periphery of the drill pipe and the inner circumference of the casing annulus.
  • the present invention aims to further develop a method and a device of the type mentioned in the introduction so that a simple and reliable removal of excavated material from the area of the drill bit becomes possible.
  • the drill bit relative to the jacket tube and / or cladding is rotatably mounted.
  • a device of the type mentioned is essentially characterized in that the drill bit is provided on its side facing away from the excavation back with a polygonal profile, which at a retraction relative to the jacket tube in a complementary, polygonal receiving opening with the intermediate pipe connected element enters.
  • the drill bit is provided on its side facing away from the excavation back with a polygonal profile, which when retracted relative to the casing tube in a complementary, polygonal receiving opening of the beater or Adapters occurs.
  • the guide devices are formed by a thread-like profiling or a screw conveyor on the outer circumference of the drill string.
  • Such a thread-like profiling or auger taking into account the rotational movement of the drill string during the rotary impact drilling safe removal of the mined material from or through the annulus between the outer surface of the drill pipe and the inner surface of the casing pipe or cladding tube.
  • FIGS. 1 and 2 it can be seen that a generally designated 1 device for drilling or rotary impact drilling has a schematically indicated with 2 drill bit, which via a drill pipe 3 to a percussion or rotary impact drilling for the reduction of in Figs. 1 and 2 is formed unspecified material.
  • FIG. 1 and 2 passage openings 24 are indicated at a distance from the drill bit 2 on the casing tube, wherein on the drill pipe 3, a screw conveyor 28 is provided for removal of material, as discussed in detail below with reference to FIGS. 8 to 12 becomes.
  • the cladding tube 6 accommodated in the receptacle 5 at the end of the jacket tube 4 facing away from the drill bit 2 is likewise subjected to pressure by the drill string 3 via a further intermediate element 10, which is shown in greater detail in FIGS. 4 and 5a, so that the Cladding tube 6 is also introduced according to the arrow 11 in a propulsion of the drill bit 2 in the borehole.
  • through-pass channels 15 and outlet openings 16 for flushing the drill bit 2 and / or entrainment of degraded material are additionally indicated in the adapter 7, as will be discussed in more detail below.
  • the intermediate element 10 For impact or pressurization of the cladding tube 6, the intermediate element 10 is provided, which is shown in Fig. 4 and 5a in detail.
  • the abutment surfaces of both the adapter 7 and the drill string 3 and the abutment surfaces 13 and 18 of the sleeve-shaped intermediate elements 8 and 10 are each to the longitudinal axis of the drill string, which is indicated at 19 in FIG , inclined.
  • the stop surface 18 of the intermediate member 10, which is provided between the drill pipe 3 and the cladding tube 6, is less than the stop surface 3 of the intermediate member 8 between the adapter 7 and thus the drill pipe 3 and the casing pipe 4, so that a total of a forward force of the drill string 3 on the casing tube 4 is transmitted to the sheath tube 6, so as to ensure that the casing tube 4 is introduced at least to the same extent in the well as the cladding tube 6. Further is assumed that for introducing the jacket tube. 4 in the borehole due to the larger diameter and thus higher frictional resistance between the outer diameter of the casing tube 4 and the borehole wall a greater force for proper insertion of the casing tube 4 is required.
  • a sleeve-like element 21 is provided in each case, wherein the interior of the sheath 6 protruding projections or projections 22 are indicated, which in corresponding recesses or recesses 23 of the cladding tube for a secure connection of adjacent Hüllrohrmaschinen 6 'and 6 "engage.
  • the projections or elevations 22 may already be formed in advance, so that the sleeve element 21 must have a corresponding elasticity when connecting adjacent Hüllrohremia 6 'and 6 ", or they can after arranging the sleeve-like element 21 in the region to be connected to each other Hüllrohremia. 6 'and 6 "are formed by a simple tool in the range of predetermined breaking points.
  • a guide 28 is formed at the foremost portion of the drill string 3, which is formed by a thread-like profiling or a screw conveyor.
  • the screw conveyor or guide 28 is also already schematically indicated in Fig. 1 and 2.
  • targeted and accurate drilling can thus be improved by targeted removal of the degraded material, the drilling speed and increase the directional accuracy.
  • the drill bit 2 is urged in the direction of the arrow 30 in FIG. 9 to continue the degradation process.

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Drilling And Boring (AREA)

Claims (10)

  1. Procédé de forage, en particulier de forage à percussion ou par rotary-percussion, de trous dans la terre ou des roches, selon lequel un trou de sonde est formé par un trépan (2) monté sur une tige de forage (3) par un mouvement de percussion et/ou de rotation et un fourreau ou tube d'enveloppe (4, 6) est introduit dans le trou de sonde, du matériau abattu est introduit, par l'intermédiaire d'au moins une ouverture dans la zone du point de raccordement entre le trépan (2) et un tube d'enveloppe (4) s'y raccordant et/ou d'au moins une ouverture de passage prévue à distance du point de raccordement entre le trépan (2) et le tube d'enveloppe (4), dans l'espace annulaire (31) défini entre le pourtour extérieur de la tige de forage (3) et le pourtour intérieur du tube d'enveloppe (4) et le fourreau (6) s'y raccordant et est épandu à partir du trou de sonde, caractérisé en ce que du matériau abattu est concassé par un profilage en particulier polygonal, prévu à l'extrémité opposée au côté abattage du trépan (2).
  2. Procédé suivant la revendication 1, caractérisé en ce que l'opération de forage est interrompue par intermittence et le trépan (2) avec la tige de forage (3) est retiré par rapport au tube d'enveloppe (4), dans l'intérieur du tube (4), au moins l'ouverture de passage dans la zone du point de raccordement entre le tube d'enveloppe (4) et le trépan (2) étant alors étanchéifiée.
  3. Procédé suivant la revendication 2, caractérisé en ce qu'un dispositif de guidage, en particulier un profilage de type filetage ou une vis sans fin, prévu dans la zone de l'ouverture de passage du tube d'enveloppe (4) sur la tige de forage (3), est déplacé par rapport au tube d'enveloppe (4) dans l'état de retrait du trépan (2) dans le tube d'enveloppe (4), est en particulier tourné dans le sens contraire au sens de rotation lors du forage par rotary-percussion par le trépan (2).
  4. Procédé suivant l'une des revendications 1, 2 et 3, caractérisé en ce que le trépan (2) est monté tournant, de manière connue en soi, par rapport au tube d'enveloppe (4) et/ou au fourreau (6).
  5. Dispositif de forage, en particulier de forage à percussion ou par rotary-percussion, de trous dans de la terre ou des roches, dans lequel un trépan (2) monté sur une tige de forage (3) forme un trou de sonde par un mouvement de percussion et/ou de rotation et un tube d'enveloppe ou fourreau (4, 6) peut être introduit dans le trou de sonde, au moins une ouverture de passage est prévue, dans la zone de la fixation du tube d'enveloppe (4) se raccordant au trépan (2) et/ou d'un sabot de percussion ou adaptateur (7) assemblé avec ce dernier, pour une introduction de matériau abattu dans l'espace annulaire formé entre le pourtour extérieur de la tige de forage (3) et le pourtour intérieur du tube d'enveloppe (4) et du fourreau (6) s'y raccordant, et au moins une ouverture de passage (24) est prévue sur le pourtour du tube d'enveloppe (4) à distance du point de raccordement entre le trépan (2) et/ou l'adaptateur (7) et le tube d'enveloppe (4), laquelle ouverture débouche dans l'intérieur de l'espace annulaire (31) défini entre le pourtour extérieur de la tige de forage (3) et le pourtour intérieur du tube d'enveloppe (4), caractérisé en ce que le trépan (2) est muni, sur son côté arrière opposé à la surface d'abattage, d'un profilage polygonal (32) qui pénètre, lors d'un retrait par rapport au tube d'enveloppe (4), dans une ouverture de réception polygonale complémentaire (33) d'un élément intermédiaire (8) assemblé avec le tube d'enveloppe (4).
  6. Dispositif suivant la revendication 5, caractérisé en ce qu'un creux (25), se raccordant à l'ouverture de passage (24) et s'étendant essentiellement dans la direction longitudinale du tube d'enveloppe (4), est prévu sur le pourtour périphérique du tube d'enveloppe (4) en direction du trépan (2).
  7. Dispositif suivant l'une des revendications 5 et 6, caractérisé en ce que des dispositifs de guidage (28) pour l'évacuation du matériau abattu, situé dans l'espace annulaire (31), sont prévus sur la surface extérieure de la tige de forage (3) dans la zone de la au moins une ouverture de passage (24) du tube d'enveloppe (4).
  8. Dispositif suivant la revendication 7, caractérisé en ce que les dispositifs de guidage sont formés par un profilage de type filetage ou une vis sans fin (28) sur le pourtour extérieur de la tige de forage (3).
  9. Dispositif suivant l'une des revendications 5 à 8, caractérisé en ce que la tige de forage (3), dans la position de retrait du trépan (2) dans le tube d'enveloppe (4), peut être sollicitée en un mouvement de rotation dans le sens contraire au mouvement de rotation lors du forage par rotary-percussion.
  10. Dispositif suivant l'une des revendications 5 à 9, caractérisé en ce que le trépan (2) est monté tournant, de manière connue en soi, par rapport au tube d'enveloppe et/ou fourreau (4, 6).
EP04761046A 2003-10-01 2004-09-28 Procede et dispositif de forage dans de la terre ou de la pierre Not-in-force EP1668220B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0155803A AT412802B (de) 2003-10-01 2003-10-01 Verfahren und vorrichtung zum bohren von löchern in boden- oder gesteinsmaterial
PCT/AT2004/000324 WO2005031107A1 (fr) 2003-10-01 2004-09-28 Procede et dispositif de forage dans de la terre ou de la pierre

Publications (2)

Publication Number Publication Date
EP1668220A1 EP1668220A1 (fr) 2006-06-14
EP1668220B1 true EP1668220B1 (fr) 2007-11-14

Family

ID=33494528

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04761046A Not-in-force EP1668220B1 (fr) 2003-10-01 2004-09-28 Procede et dispositif de forage dans de la terre ou de la pierre

Country Status (4)

Country Link
EP (1) EP1668220B1 (fr)
AT (2) AT412802B (fr)
DE (1) DE502004005525D1 (fr)
WO (1) WO2005031107A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT501875B1 (de) * 2005-06-07 2008-05-15 Alwag Tunnelausbau Gmbh Verfahren und vorrichtung zum bohren, insbesondere schlag- oder drehschlagbohren eines lochs in boden- oder gesteinsmaterial
AT505189B1 (de) * 2007-04-19 2009-01-15 Techmo Entw & Vertriebs Gmbh Vorrichtung zum herstellen eines bohrlochs in gesteinsmaterial
CN102425382B (zh) * 2011-09-22 2014-06-25 中国石油大学(北京) 动压润滑钻具及具有该钻具的钻具组合
AT522402B1 (de) 2019-04-11 2022-12-15 Rene Egger Verfahren und Vorrichtung zum Bohren von Löchern in Boden- oder Gesteinsmaterial
CN112664141B (zh) * 2020-12-28 2023-03-24 安徽马钢张庄矿业有限责任公司 一种充填钻孔施工放管结构及施工方法
CN113216847A (zh) * 2021-05-21 2021-08-06 瑞腾基础工程技术（北京）股份有限公司 适用于岩土交汇复杂地层的预应力锚索成孔方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE795205A (fr) * 1972-02-10 1973-05-29 Atlas Copco Ab Procede et appareillage pour le forage rotatif
DE2924392C2 (de) * 1979-06-16 1982-09-23 Brückner Grundbau GmbH, 4300 Essen Bohrvorrichtung zum Überlagerungsbohren
CZ296814B6 (cs) * 1996-11-12 2006-06-14 Techmo Entwicklungs- Und Vertriebs Gmbh Zpusob a zarízení pro soucasné vrtání a obkládáníotvoru
AT411383B (de) * 2001-11-30 2003-12-29 Techmo Entw & Vertriebs Gmbh Verfahren und vorrichtung zum bohren von löchern

Also Published As

Publication number Publication date
ATE378496T1 (de) 2007-11-15
DE502004005525D1 (de) 2007-12-27
WO2005031107A1 (fr) 2005-04-07
EP1668220A1 (fr) 2006-06-14
ATA15582003A (de) 2004-12-15
AT412802B (de) 2005-07-25

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