EP0565662B1 - Bohrverfahren und einrichtung zur ausübung des verfahrens - Google Patents

Bohrverfahren und einrichtung zur ausübung des verfahrens Download PDF

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Publication number
EP0565662B1
EP0565662B1 EP92921401A EP92921401A EP0565662B1 EP 0565662 B1 EP0565662 B1 EP 0565662B1 EP 92921401 A EP92921401 A EP 92921401A EP 92921401 A EP92921401 A EP 92921401A EP 0565662 B1 EP0565662 B1 EP 0565662B1
Authority
EP
European Patent Office
Prior art keywords
drill
rotary
connection
tube
drilling
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.)
Expired - Lifetime
Application number
EP92921401A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0565662A1 (de
Inventor
Andrea Linard Mathis
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0565662A1 publication Critical patent/EP0565662A1/de
Application granted granted Critical
Publication of EP0565662B1 publication Critical patent/EP0565662B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E21B6/00—Drives for drilling with combined rotary and percussive action
    • 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
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers

Definitions

  • the present invention relates to a drilling method according to the preamble of patent claim 1 and to a device for carrying out the proposed method.
  • a device for the overlay drilling of holes in rock covered with loose earth or rubble has also become known, which has an outer drill pipe having an outer drill bit and an inner drill rod with an inner drill bit and in which the outer and inner drill rods are connected to a flushing head to be coupled to a drilling and / or hammer mechanism.
  • a deep hole hammer is provided near the inner drill bit and forms a part of the inner drill pipe.
  • a device for overlay drilling which has an inner drill pipe with an inner drill bit and an outer drill pipe with an annular drill bit, which are subjected to a rotational impact.
  • a separate rotary impact drive with rotating mechanism and impact mechanism is provided for the inner and outer drill rods, which can be controlled independently of the other drive.
  • the pneumatically or hydraulically operated impact hammers have also proven to be excellent.
  • the pipe does not have to transmit any impact forces and torques and is therefore screwed into a holder with a normal right-hand thread.
  • a percussion and turning effect is generated pneumatically or hydraulically in the down-the-hole hammer and exerted on the chisel assembled with the hammer.
  • the object to be achieved by the invention is now to propose a drilling method and a device which allows a simultaneous work with a down-the-hole hammer and a hammer drill using the same installation. In doing so, neither the down-the-hole hammer should be damaged by the blows directed at the hammer drill, nor the pipe receiving the down-the-hole hammer loosened or loosened.
  • a first device specifically with the down-the-hole hammer, is pre-drilled and simultaneously a second device connected to the first device is used in the same operation and through the same installation, the first device being compared to the second device Device to act on certain drilling strokes and vibrations, is shock-absorbing isolated, so that the above-mentioned effects are absorbed, absorbed or at least damped.
  • the mentioned drilling strokes and vibrations therefore act practically exclusively on the second device, i.e. on the hydraulically operated hammer drill.
  • FIG. 1 shows a written representation of an expedient device for carrying out the method.
  • a hydraulic rotary hammer mechanism is designated by 1. This is known and is widely used in drilling installations.
  • a holder 2 is connected to the rotary impact mechanism, which has connections for an impact boring machine with an outer impact tube 3 and drill bit 4 and for an inner tube 5. At its end to be inserted into the borehole, this is equipped with a pneumatically or hydraulically drivable hammer drill 6.
  • the closer design of the holder 2 is subsequently explained with reference to FIG. 2.
  • the hammer drill 6 is designed as a down-the-hole hammer with a chisel 7, which protrudes somewhat from the impact tube 3, which surrounds the inner tube 5, as can be clearly seen from FIG.
  • the inner tube 5 is fastened in the holder 2 with the aid of a damping element 8, which absorbs or at least considerably dampens the impacts and vibrations exerted by the rotary impact mechanism 1 such that they no longer act on the inner tube 5 and thus on the hammer drill 6.
  • a pneumatic line 9 leads from the outside through the holder 2 and through the inner tube 5 to the hammer drill 6 and drives it.
  • the air emerging from the chisel 7 then serves to flush the ear material out of the borehole, which then passes through the annular cavity 10 is returned to the holder 2 and removed.
  • the holder 2 shows the holder 2 with the most important design features and details on an enlarged scale.
  • the holder 2 has a tubular housing 11 which is provided at one end with a sleeve 12 which projects from the housing and which has an internal thread 13 for fastening the outer impact tube 3.
  • the other end of the sleeve has a flange 14 which is fastened to the housing 11 by means of screws 15 on the facing end face.
  • a two-part nipple with the two parts 17 and 18 is arranged coaxially inside the housing 11, the first nipple 17 being screwed to a head part 19, which in turn is screwed into the housing 11 with its flange 20 at the open end.
  • the head part 19 is equipped with a connecting sleeve 27 for a rotary hammer mechanism.
  • a damping element 21 (designated 8 in FIG. 1) is clamped between the two nipples 17 and 18.
  • This can consist of an elastic material and can be formed in one or more layers.
  • the outstanding damping properties of the damping element 21, which absorbs and largely destroys the impacts and vibrations generated by a rotary impact mechanism, are essential.
  • an elastic disc there can also be a hydraulic or pneumatic damping element, which e.g. how a shock absorber can be designed.
  • a damping cylinder When using an appropriate damping cylinder, very strong impact forces can be dampened and absorbed. By adjusting the damping effect, the device can be easily adapted to the current requirements.
  • the rotary hammer mechanism which is known per se and which is designated by 1 in FIG. 1, is connected to the head part 19, the impacts generated being transmitted through the flange 20 to both the housing 11 and the flange of the nipple 17.
  • the housing 11 is connected by means of the sleeve 12 with the impact tube 3, which performs 4 drilling work under the action of the blows with the help of the crown.
  • the nipple 18, which is impact-insulated by the damping elements 21, is connected to a double sleeve 22 which has a connection 23 for the inner tube 5.
  • the latter carries the rotary hammer 5 with chisel 7 at its opposite end.
  • the rotary hammer works pneumatically, whereby compressed air is supplied through a line (not shown) which passes through the connection 24 and further through bores 25 and 26 into the nipple 17 and through one not Central bore of the damping element shown is guided further through the nipple 18 into the inner tube 5.
  • the proposed damping has the effect that the impact of the hydraulic rotary impact mechanism 1 is directed, so to speak, exclusively onto the outer impact tube 3 and the hammer drill 6 in the inner tube 5 does not suffer any damage. A loosening of the screw connection of the inner tube 5 is also excluded, since the vibration and the shocks of the hydraulic rotary hammer mechanism 1 are absorbed by the damping elements 21. Simultaneous work with both devices is made possible by pre-drilling with the pneumatically operated in-hole hammer and, in the same operation, the impact drill coupled with the in-hole hammer continuously and simultaneously enlarging the borehole.

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Golf Clubs (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
EP92921401A 1991-11-08 1992-10-26 Bohrverfahren und einrichtung zur ausübung des verfahrens Expired - Lifetime EP0565662B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH3267/91A CH683860A5 (de) 1991-11-08 1991-11-08 Bohrverfahren und Einrichtung zur Ausübung des Verfahrens.
CH3267/91 1991-11-08
PCT/CH1992/000218 WO1993009328A1 (de) 1991-11-08 1992-10-26 Bohrverfahren und einrichtung zur ausübung des verfahrens

Publications (2)

Publication Number Publication Date
EP0565662A1 EP0565662A1 (de) 1993-10-20
EP0565662B1 true EP0565662B1 (de) 1996-09-11

Family

ID=4252285

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92921401A Expired - Lifetime EP0565662B1 (de) 1991-11-08 1992-10-26 Bohrverfahren und einrichtung zur ausübung des verfahrens

Country Status (15)

Country Link
US (1) US5355966A (fi)
EP (1) EP0565662B1 (fi)
JP (1) JP3444598B2 (fi)
AT (1) ATE142742T1 (fi)
AU (1) AU650581B2 (fi)
CA (1) CA2100085C (fi)
CH (1) CH683860A5 (fi)
DE (2) DE4142733C2 (fi)
DK (1) DK0565662T3 (fi)
ES (1) ES2094372T3 (fi)
FI (1) FI100419B (fi)
GR (1) GR3021600T3 (fi)
HK (1) HK214496A (fi)
NO (1) NO305137B1 (fi)
WO (1) WO1993009328A1 (fi)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19857479C1 (de) * 1998-12-14 2000-08-03 Guenter Klemm Pneumatische Schlagdämfungsvorrichtung für ein Bohrgestänge
EP1124037A1 (de) 2000-02-08 2001-08-16 Günter Prof. Dr.-Ing. Klemm Bohrvorrichtung

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5979569A (en) * 1993-09-21 1999-11-09 Simulprobe Technologies, Inc. Method and apparatus for environmental sampling
SE506793C2 (sv) * 1996-09-19 1998-02-09 Atlas Copco Rocktech Ab Kopplingsstycke för användning vid samtidig jord- och/eller bergborrning med en övre rotationsslaganordning och en undre slaganordning
US5873421A (en) * 1997-02-12 1999-02-23 Assenza; Antonio Tool for installing a pipeline under a structure
US6029687A (en) * 1998-11-25 2000-02-29 Chang; Chia-Bo Assembling structure for balance valve of cold/hot water mixing valve
US6009893A (en) * 1998-11-25 2000-01-04 Chang; Chia-Bo Assembling structure for balance valve of cold/hot water mixing valve
EP2029851B1 (de) * 2006-05-24 2018-08-29 BTD Bohrtechnik AG Spülwelle für das bohrgestänge einer drehschlagbohranlage, prallpaket für eine spülwelle und drehschlagbohranlage

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE293308C (fi) *
US2950087A (en) * 1955-10-24 1960-08-23 James N Gregory Combined rotary and percussion drilling
US3231032A (en) * 1960-04-05 1966-01-25 Atlas Copco Ab Apparatus for drilling in earth covered rock
US3227230A (en) * 1961-02-21 1966-01-04 Atlas Copco Ab Combination ring and central drill bit drilling equipment
DE1298066B (de) * 1967-06-07 1969-06-26 Boehler & Co Ag Geb Vorrichtung zum UEberlagerungsbohren
AT281729B (de) * 1968-02-28 1970-05-25 Boehler & Co Ag Geb Vorrichtung zum Überlagerungs-, Ankerloch- und/oder Unterwasserbohren
GB1257429A (fi) * 1969-05-30 1971-12-15
AT293308B (de) * 1969-07-10 1971-09-15 Boehler & Co Ag Geb Vorrichtung zum ueberlagerungsbohren
FR2209038B1 (fi) * 1972-12-06 1977-07-22 Petroles Cie Francaise
AT380534B (de) * 1983-01-07 1986-06-10 Ver Edelstahlwerke Ag Drehschlag-, dreh- oder schlagwerk
FR2634818B1 (fr) * 1988-07-28 1992-11-06 Cogema Procede et dispositif de forage pour l'etude et l'exploitation du sous-sol
JPH03125785A (ja) * 1989-10-06 1991-05-29 Yoshida Tekkosho:Kk ダブルヘッダードリルによる表土堀削工法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19857479C1 (de) * 1998-12-14 2000-08-03 Guenter Klemm Pneumatische Schlagdämfungsvorrichtung für ein Bohrgestänge
EP1124037A1 (de) 2000-02-08 2001-08-16 Günter Prof. Dr.-Ing. Klemm Bohrvorrichtung

Also Published As

Publication number Publication date
GR3021600T3 (en) 1997-02-28
FI100419B (fi) 1997-11-28
DK0565662T3 (fi) 1997-02-24
DE4142733C2 (de) 1993-11-18
WO1993009328A1 (de) 1993-05-13
EP0565662A1 (de) 1993-10-20
US5355966A (en) 1994-10-18
CA2100085A1 (en) 1993-05-09
NO305137B1 (no) 1999-04-06
DE4142733A1 (de) 1993-05-13
ATE142742T1 (de) 1996-09-15
FI933117A0 (fi) 1993-07-07
AU2763092A (en) 1993-06-07
HK214496A (en) 1996-12-13
CH683860A5 (de) 1994-05-31
JP3444598B2 (ja) 2003-09-08
ES2094372T3 (es) 1997-01-16
NO932480L (no) 1993-07-07
DE59207133D1 (de) 1996-10-17
FI933117A (fi) 1993-08-16
AU650581B2 (en) 1994-06-23
JPH06503623A (ja) 1994-04-21
NO932480D0 (no) 1993-07-07
CA2100085C (en) 1997-03-18

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