ZA985216B - A drill bit - Google Patents

A drill bit

Info

Publication number
ZA985216B
ZA985216B ZA985216A ZA985216A ZA985216B ZA 985216 B ZA985216 B ZA 985216B ZA 985216 A ZA985216 A ZA 985216A ZA 985216 A ZA985216 A ZA 985216A ZA 985216 B ZA985216 B ZA 985216B
Authority
ZA
South Africa
Prior art keywords
drill bit
drill
bit
Prior art date
Application number
ZA985216A
Inventor
Malcolm Bicknell Mcinnes
Original Assignee
Sds Digger Tools Pty Ltd
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 Sds Digger Tools Pty Ltd filed Critical Sds Digger Tools Pty Ltd
Publication of ZA985216B publication Critical patent/ZA985216B/en

Links

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
    • 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 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)
ZA985216A 1997-06-16 1998-06-15 A drill bit ZA985216B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPO7374A AUPO737497A0 (en) 1997-06-16 1997-06-16 Drill bit with drive and retaining means located forwardly of hammer barrel

Publications (1)

Publication Number Publication Date
ZA985216B true ZA985216B (en) 1999-01-07

Family

ID=3801666

Family Applications (2)

Application Number Title Priority Date Filing Date
ZA985220A ZA985220B (en) 1997-06-16 1998-06-15 A drill bit with drive and retainer means
ZA985216A ZA985216B (en) 1997-06-16 1998-06-15 A drill bit

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ZA985220A ZA985220B (en) 1997-06-16 1998-06-15 A drill bit with drive and retainer means

Country Status (3)

Country Link
AU (1) AUPO737497A0 (en)
WO (2) WO1998058153A1 (en)
ZA (2) ZA985220B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9903256D0 (en) * 1999-02-12 1999-04-07 Halco Drilling International L Directional drilling apparatus
AU2003212036B2 (en) * 1999-02-12 2005-07-28 Halco Directional Drilling Products Limited Directional Drilling Apparatus
NL1034180C2 (en) * 2007-07-24 2009-01-27 Sonicsampdrill B V Drilling device with rotary vibration drive.
SE533590C2 (en) 2009-01-14 2010-11-02 Wassara Ab Drill bit for submersible drill
WO2013071360A1 (en) * 2011-11-17 2013-05-23 Sandvik Intellectual Property Ab Hammer bit shank enhancements
EP2612981B1 (en) 2012-01-09 2014-07-16 Sandvik Intellectual Property AB A drill bit for a percussive hammer, and shank and retention lug therefore
ITRM20130533A1 (en) * 2013-10-02 2015-04-03 Mori Srl JOINT BETWEEN "ROTARY" DRIVING HEAD AND HEAD OF THE UPPER DRILLING ROD, IN A SOIL DRILLING SYSTEM AND ANY DEVICE FOR MECHANIZED FASTENING / UNLOCKING.
WO2015176121A1 (en) * 2014-05-23 2015-11-26 Ignis Technologies Pty Ltd Bit retaining system
CN104018789B (en) * 2014-06-05 2016-02-24 河北国峰重工机械有限公司 Reverse circulation drilling driver drilling rod coupling arrangement
SE539881C2 (en) * 2016-04-29 2018-01-02 Lkab Wassara Ab Coupling device for drill bit and method for such coupling.
CN107965274A (en) * 2018-01-08 2018-04-27 西南石油大学 Spline slip-type drill string coupling arrangement
CN110685612A (en) * 2018-07-04 2020-01-14 陈玥丹 Horizontal torsional elastic buffering and impact rock breaking drilling tool
DE102018008811A1 (en) * 2018-11-09 2020-05-14 Tracto-Technik Gmbh & Co. Kg Drill string section for drilling in the ground, earth drilling device and use of a drill string section

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE751241C (en) * 1938-12-17 1953-02-23 Fried Krupp A G Drilling tool
US3717209A (en) * 1971-06-10 1973-02-20 Pacific Tooling & Eng Co Replaceable wear-resistant element and method for replacing same
FR2188040A1 (en) * 1972-06-09 1974-01-18 Tartan Ind S Inc Rotary drill bit - with readily replaceable cutter bits
CA2036602C (en) * 1990-02-28 2001-04-24 Takeshi Hayashi Excavation tool
ZA915804B (en) * 1990-07-27 1992-04-29 Mitsubishi Materials Corp Excavation tool
US5065827A (en) * 1990-12-21 1991-11-19 Smith International, Inc. Hammer bit retention tool
SE505068C2 (en) * 1995-03-27 1997-06-23 Sandvik Ab Method of transferring impact energy from a drilling tool to a borehole, rock drilling tool and drill bit for striking drilling
SE506527C2 (en) * 1995-08-31 1997-12-22 Sandvik Ab Method, rock drilling tools, rock drill bit and intermediate elements for transferring stroke array from a top hammer assembly
US5647447A (en) * 1996-06-10 1997-07-15 Ingersoll-Rand Company Bit retention device for a bit and chuck assembly of a down-the-hole percussive drill
WO1998005476A1 (en) * 1996-07-31 1998-02-12 Sds Digger Tools Pty. Ltd. Forwardly located bit retention means

Also Published As

Publication number Publication date
WO1998058153A1 (en) 1998-12-23
AUPO737497A0 (en) 1997-07-10
ZA985220B (en) 1999-01-07
WO1998058154A1 (en) 1998-12-23

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