DE69916546D1 - Blow core container - Google Patents

Blow core container

Info

Publication number
DE69916546D1
DE69916546D1 DE69916546T DE69916546T DE69916546D1 DE 69916546 D1 DE69916546 D1 DE 69916546D1 DE 69916546 T DE69916546 T DE 69916546T DE 69916546 T DE69916546 T DE 69916546T DE 69916546 D1 DE69916546 D1 DE 69916546D1
Authority
DE
Germany
Prior art keywords
pressure fluid
core tube
hammer
bits
vicinity
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
DE69916546T
Other languages
German (de)
Inventor
Lewis Stansfield
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.)
Compagnie du Sol SARL
Original Assignee
Compagnie du Sol SARL
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 Compagnie du Sol SARL filed Critical Compagnie du Sol SARL
Application granted granted Critical
Publication of DE69916546D1 publication Critical patent/DE69916546D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/02—Core bits
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B21/14—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using liquids and gases, e.g. foams
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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

Abstract

The invention relates to an equipment for boring large diameter holes into rocks. The equipment comprises a cylindrical core tube (12) having a vertical axis, an upper end (12a) and a lower end (12b), a plurality of hammer (14) provided with percussive bits (14b) for penetrating into the rock, each hammer being secured to the outer face of the core tube close to the lower end thereof so that the bits project beneath the free end (12c) of the tube, pressure fluid means (22) for operating said hammer, pressure fluid feed means for supplying pressure fluid in the vicinity of the bits of said hammer, driving means (16) connected to the upper end (12a) of said core tube for rotating said core tube about the vertical axis thereof and exhaust means (24) connected to said core tube for collecting the pressure fluid supplied in the vicinity of the bits and the rock cuttings transported by said pressure fluid from the bottom of the hole to the ground surface. <IMAGE>
DE69916546T 1998-09-28 1999-02-23 Blow core container Expired - Lifetime DE69916546D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9821048.7A GB9821048D0 (en) 1998-09-28 1998-09-28 Percussive core barrel

Publications (1)

Publication Number Publication Date
DE69916546D1 true DE69916546D1 (en) 2004-05-27

Family

ID=10839571

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69916546T Expired - Lifetime DE69916546D1 (en) 1998-09-28 1999-02-23 Blow core container

Country Status (5)

Country Link
EP (1) EP0990765B1 (en)
AT (1) ATE264988T1 (en)
DE (1) DE69916546D1 (en)
GB (1) GB9821048D0 (en)
HK (1) HK1026933A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2050923B1 (en) * 2007-10-15 2010-08-11 TerraSond AG Drilling device and method for taking soil samples
KR100980895B1 (en) * 2008-04-15 2010-09-10 문대영 Non-vibration excavating method and apparatus
WO2012106999A1 (en) * 2011-02-11 2012-08-16 Chan Leung Choi Annulus ring hole drill
HK1155608A2 (en) * 2012-02-10 2012-05-18 Top Mark Mechanical Equipment Ltd Method and apparatus for controlling the operation of cluster drill of down-the-hole hammers
CA3140181A1 (en) * 2019-06-04 2020-06-04 Paul Reed Drilling arrangements

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE388463C (en) * 1924-01-14 Koenig Wilhelm Device for drilling openings, weather overheating and the like. like
US3297099A (en) * 1964-05-28 1967-01-10 Ingersoll Rand Co Rock drill reamer
DE2602550A1 (en) * 1976-01-23 1977-07-28 Preussag Ag Large diameter well drill rig - with cluster of pneumatic hammers and air lift cuttings removal
DE3114612C2 (en) * 1981-04-07 1983-11-10 Hochstrasser, Jürgen, 6600 Saarbrücken Drilling jig for hard rock
US4790391A (en) * 1985-10-04 1988-12-13 Tone Boring Co., Ltd. Air pressure impact drilling method and apparatus for same
DE3915538A1 (en) * 1989-05-12 1990-11-15 Hartfuss Michael Rotary hard-rock drill - has eccentrically-mounted hammer in housing with milling teeth on bottom edge
FR2745031B1 (en) * 1996-02-16 2000-01-07 Boniface Andre ROTO-PERCUSSION TOOL FOR BORING WELLS OF LARGE DIAMETERS IN VERY HARD TERRAIN

Also Published As

Publication number Publication date
GB9821048D0 (en) 1998-11-18
HK1026933A1 (en) 2000-12-29
EP0990765A1 (en) 2000-04-05
ATE264988T1 (en) 2004-05-15
EP0990765B1 (en) 2004-04-21

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Legal Events

Date Code Title Description
8332 No legal effect for de