EP0851090A4 - Down-the-hole hammer - Google Patents

Down-the-hole hammer

Info

Publication number
EP0851090A4
EP0851090A4 EP97928443A EP97928443A EP0851090A4 EP 0851090 A4 EP0851090 A4 EP 0851090A4 EP 97928443 A EP97928443 A EP 97928443A EP 97928443 A EP97928443 A EP 97928443A EP 0851090 A4 EP0851090 A4 EP 0851090A4
Authority
EP
European Patent Office
Prior art keywords
hole hammer
hammer
hole
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Withdrawn
Application number
EP97928443A
Other languages
German (de)
French (fr)
Other versions
EP0851090A1 (en
Inventor
Akira Nakayama
Makoto Kobayashi
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.)
Suntec Corp
Original Assignee
Suntec Corp
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 Suntec Corp filed Critical Suntec Corp
Publication of EP0851090A1 publication Critical patent/EP0851090A1/en
Publication of EP0851090A4 publication Critical patent/EP0851090A4/en
Withdrawn legal-status Critical Current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
    • 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
    • E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
    • E21B17/0465—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches characterised by radially inserted locking elements
    • 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
    • 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
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • E21B17/076—Telescoping joints for varying drill string lengths; Shock absorbers between rod or pipe and drill bit
    • 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
EP97928443A 1996-06-19 1997-06-18 Down-the-hole hammer Withdrawn EP0851090A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP8158090A JPH108869A (en) 1996-06-19 1996-06-19 Down-the-hole hammer
JP158090/96 1996-06-19
PCT/JP1997/002089 WO1997048875A1 (en) 1996-06-19 1997-06-18 Down-the-hole hammer

Publications (2)

Publication Number Publication Date
EP0851090A1 EP0851090A1 (en) 1998-07-01
EP0851090A4 true EP0851090A4 (en) 2002-04-03

Family

ID=15664088

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97928443A Withdrawn EP0851090A4 (en) 1996-06-19 1997-06-18 Down-the-hole hammer

Country Status (5)

Country Link
EP (1) EP0851090A4 (en)
JP (1) JPH108869A (en)
KR (1) KR100205470B1 (en)
AU (1) AU719282B2 (en)
WO (1) WO1997048875A1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003212036B2 (en) * 1999-02-12 2005-07-28 Halco Directional Drilling Products Limited Directional Drilling Apparatus
GB9903256D0 (en) * 1999-02-12 1999-04-07 Halco Drilling International L Directional drilling apparatus
JP4204707B2 (en) 1999-07-05 2009-01-07 株式会社クラレ Fibrous substrate for artificial leather and artificial leather using the same
KR20010037319A (en) * 1999-10-15 2001-05-07 양재신 Tool holder for breaker
KR20010037320A (en) * 1999-10-15 2001-05-07 양재신 Tool holder for breaker
US7389833B2 (en) * 2005-06-10 2008-06-24 Keystone Drill Services, Inc. Multi-sectional percussive drill bit assembly
KR100786329B1 (en) * 2005-11-28 2007-12-14 주식회사 인투온 Hammer for excavation
JP4912221B2 (en) * 2007-05-31 2012-04-11 宗司 中川 Generation method and structure of squish flow in internal combustion engine
JP4969626B2 (en) * 2009-09-28 2012-07-04 文男 星 Cycle hammer for drilling hard rock ground
WO2012041084A1 (en) * 2010-09-30 2012-04-05 湖南山河智能机械股份有限公司 Combined down-the-hole hammer
US20140353045A1 (en) * 2011-09-13 2014-12-04 Atlas Copco Canada Inc. Drill pipe with replaceable tool joints
US9932788B2 (en) 2015-01-14 2018-04-03 Epiroc Drilling Tools Llc Off bottom flow diverter sub
CN105156027B (en) * 2015-10-01 2017-08-22 中国石油集团西部钻探工程有限公司 Torsion impact speed enhancing apparatus
EP3434858B1 (en) 2017-05-01 2022-09-21 Vermeer Manufacturing Company Dual rod directional drilling system
JP7237663B2 (en) * 2019-03-08 2023-03-13 株式会社大林組 Vibration sensor mechanism
DE112020001225T5 (en) 2019-03-14 2021-11-25 Vermeer Manufacturing Company Rod coupling device and coupled rod assembly
CN113550696B (en) * 2021-07-26 2022-07-19 中煤科工集团西安研究院有限公司 Drill bit with axial rock breaking function

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810549A (en) * 1953-01-16 1957-10-22 Ingersoll Rand Co Fluid actuated percussive tool
US2836395A (en) * 1952-05-23 1958-05-27 Exxon Research Engineering Co Rotary percussion drilling device
US3804185A (en) * 1971-08-12 1974-04-16 Mason Tools Ltd Lee Jarring and bumping tool for use in oilfield drilling strings
US4194581A (en) * 1975-03-22 1980-03-25 Walter Hans P Deep drill hammer
US4694911A (en) * 1984-07-13 1987-09-22 Kennedy James D Drilling assembly for percussion drilling of deep wells
JPH0813974A (en) * 1994-06-28 1996-01-16 Kencho Kobe:Kk Connecting structure for screw rod for underground boring machine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5329701U (en) * 1977-09-14 1978-03-14
JP2666239B2 (en) * 1993-08-03 1997-10-22 シンエイテック株式会社 Drilling root consolidation liquid injection method and device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2836395A (en) * 1952-05-23 1958-05-27 Exxon Research Engineering Co Rotary percussion drilling device
US2810549A (en) * 1953-01-16 1957-10-22 Ingersoll Rand Co Fluid actuated percussive tool
US3804185A (en) * 1971-08-12 1974-04-16 Mason Tools Ltd Lee Jarring and bumping tool for use in oilfield drilling strings
US4194581A (en) * 1975-03-22 1980-03-25 Walter Hans P Deep drill hammer
US4694911A (en) * 1984-07-13 1987-09-22 Kennedy James D Drilling assembly for percussion drilling of deep wells
JPH0813974A (en) * 1994-06-28 1996-01-16 Kencho Kobe:Kk Connecting structure for screw rod for underground boring machine

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 05 31 May 1996 (1996-05-31) *
See also references of WO9748875A1 *

Also Published As

Publication number Publication date
JPH108869A (en) 1998-01-13
AU3274197A (en) 1998-01-07
KR100205470B1 (en) 1999-07-01
EP0851090A1 (en) 1998-07-01
WO1997048875A1 (en) 1997-12-24
AU719282B2 (en) 2000-05-04

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