NO932568D0 - AIR-percussive drill - Google Patents

AIR-percussive drill

Info

Publication number
NO932568D0
NO932568D0 NO1993932568A NO932568A NO932568D0 NO 932568 D0 NO932568 D0 NO 932568D0 NO 1993932568 A NO1993932568 A NO 1993932568A NO 932568 A NO932568 A NO 932568A NO 932568 D0 NO932568 D0 NO 932568D0
Authority
NO
Norway
Prior art keywords
air
percussive drill
percussive
drill
Prior art date
Application number
NO1993932568A
Other languages
Norwegian (no)
Other versions
NO932568L (en
NO306570B1 (en
Inventor
Roger P Johns
Michael S Oliver
Huy D Bui
Original Assignee
Smith International
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
Priority claimed from US07/916,046 external-priority patent/US5305837A/en
Priority claimed from US07/916,285 external-priority patent/US5322136A/en
Application filed by Smith International filed Critical Smith International
Publication of NO932568D0 publication Critical patent/NO932568D0/en
Publication of NO932568L publication Critical patent/NO932568L/en
Publication of NO306570B1 publication Critical patent/NO306570B1/en

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
    • E21B4/006—Mechanical motion converting means, e.g. reduction gearings
    • 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
    • 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
NO932568A 1992-07-17 1993-07-15 Compressed-air drill tools and method for rotating the drill bit NO306570B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/916,046 US5305837A (en) 1992-07-17 1992-07-17 Air percussion drilling assembly for directional drilling applications
US07/916,285 US5322136A (en) 1992-07-17 1992-07-17 Air percussion drilling assembly
CA002099917A CA2099917C (en) 1992-07-17 1993-07-06 Air percussion drilling hammer for directional drilling applications

Publications (3)

Publication Number Publication Date
NO932568D0 true NO932568D0 (en) 1993-07-15
NO932568L NO932568L (en) 1994-01-18
NO306570B1 NO306570B1 (en) 1999-11-22

Family

ID=27169493

Family Applications (1)

Application Number Title Priority Date Filing Date
NO932568A NO306570B1 (en) 1992-07-17 1993-07-15 Compressed-air drill tools and method for rotating the drill bit

Country Status (3)

Country Link
EP (1) EP0580056B1 (en)
AU (1) AU662063B2 (en)
NO (1) NO306570B1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPO698197A0 (en) * 1997-05-26 1997-06-19 Sds Digger Tools Pty Ltd A percussive hammer drill
GB0108934D0 (en) 2001-04-10 2001-05-30 Weatherford Lamb Downhole Tool
GB2389129B8 (en) * 2002-05-29 2008-01-29 Lattice Intellectual Property Method and dual reamer apparatus for forming boredhole
CN103939010B (en) * 2013-01-17 2016-04-27 中国石油化工股份有限公司 Percussion drill apparatus
CN105525868B (en) * 2014-09-28 2017-10-10 中国石油化工集团公司 A kind of pulsating double direction impulse device
CN106050159A (en) * 2016-08-11 2016-10-26 中石化石油工程技术服务有限公司 Drill string clutching tool
CN107420031B (en) * 2017-05-11 2023-07-07 能诚集团有限公司 Impact drilling tool and impact drilling machine with same
CN108331527B (en) * 2018-01-17 2019-11-05 中国石油大学(华东) A kind of down-hole motor driving generates the drilling speed device of impact vibration effect
CN108360974B (en) * 2018-04-12 2023-10-13 中国石油大学(北京) Composite impact tool

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3912023A (en) * 1974-03-28 1975-10-14 Chicago Pneumatic Tool Co Rock bit decoupler
US3978931A (en) * 1975-10-30 1976-09-07 Boris Vasilievich Sudnishnikov Air-operated drilling machine or rotary-percussive action
DE2551303C3 (en) * 1975-11-14 1981-04-02 Institut gornogo dela Sibirskogo otdelenija Akademii Nauk SSSR, Novosibirsk Compressed air operated deep hole hammer drill
GB8406957D0 (en) * 1984-03-16 1984-04-18 Ennis M S J Hammer
US4819739A (en) * 1984-08-31 1989-04-11 Dresser Industries, Inc. Fluid actuated rock drill hammer
EP0303635B1 (en) * 1987-02-25 1991-10-02 Salzgitter Maschinenbau Gmbh System with a hydraulic lifting generator for earth drilling
US4924948A (en) * 1988-11-15 1990-05-15 Sandvik Rock Tools, Inc. Shock absorbing bit retaining ring
US4958691A (en) * 1989-06-16 1990-09-25 James Hipp Fluid operated vibratory jar with rotating bit

Also Published As

Publication number Publication date
NO932568L (en) 1994-01-18
EP0580056A1 (en) 1994-01-26
AU4178993A (en) 1994-01-20
AU662063B2 (en) 1995-08-17
EP0580056B1 (en) 1997-02-12
NO306570B1 (en) 1999-11-22

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