ZA201308590B - Rotational drill bits and drilling apparatuses including the same - Google Patents

Rotational drill bits and drilling apparatuses including the same

Info

Publication number
ZA201308590B
ZA201308590B ZA2013/08590A ZA201308590A ZA201308590B ZA 201308590 B ZA201308590 B ZA 201308590B ZA 2013/08590 A ZA2013/08590 A ZA 2013/08590A ZA 201308590 A ZA201308590 A ZA 201308590A ZA 201308590 B ZA201308590 B ZA 201308590B
Authority
ZA
South Africa
Prior art keywords
same
drill bits
apparatuses including
drilling apparatuses
rotational drill
Prior art date
Application number
ZA2013/08590A
Inventor
E Sean Cox
Original Assignee
Dover Bmcs Acquisition 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
Priority claimed from US13/678,105 external-priority patent/US9109412B2/en
Application filed by Dover Bmcs Acquisition Corp filed Critical Dover Bmcs Acquisition Corp
Publication of ZA201308590B publication Critical patent/ZA201308590B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00—Setting anchoring-bolts
    • 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
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
    • E21B10/55—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits with preformed cutting elements
    • 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
    • E21B10/00—Drill bits
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
ZA2013/08590A 2012-11-15 2013-11-14 Rotational drill bits and drilling apparatuses including the same ZA201308590B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/678,105 US9109412B2 (en) 2010-06-04 2012-11-15 Rotational drill bits and drilling apparatuses including the same

Publications (1)

Publication Number Publication Date
ZA201308590B true ZA201308590B (en) 2021-05-26

Family

ID=49584650

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2013/08590A ZA201308590B (en) 2012-11-15 2013-11-14 Rotational drill bits and drilling apparatuses including the same

Country Status (3)

Country Link
EP (1) EP2733305B1 (en)
AU (1) AU2013257466B2 (en)
ZA (1) ZA201308590B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106194035A (en) * 2016-08-12 2016-12-07 河南理工大学 A kind of detachable cutting tooth spiral PDC drill bit

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2802642A (en) * 1955-05-03 1957-08-13 Westinghouse Air Brake Co Rock drill bit
US4190125A (en) * 1977-11-09 1980-02-26 Fansteel Inc. Drill bit and steel combination for improved fluid flow
US4352400A (en) * 1980-12-01 1982-10-05 Christensen, Inc. Drill bit
US5429199A (en) * 1992-08-26 1995-07-04 Kennametal Inc. Cutting bit and cutting insert
US9771760B2 (en) 2009-03-09 2017-09-26 Dover Bmcs Acquisition Corporation Rotational drill bits and drilling apparatuses including the same
US8584777B2 (en) * 2010-06-04 2013-11-19 Dover Bmcs Acquisition Corporation Rotational drill bits and drilling apparatuses including the same
US8567533B2 (en) 2010-08-17 2013-10-29 Dover Bmcs Acquisition Corporation Rotational drill bits and drilling apparatuses including the same
US9010464B2 (en) 2011-05-04 2015-04-21 Dover BMCS Acquistion Corporation Drill bits and drilling apparatuses including the same

Also Published As

Publication number Publication date
AU2013257466A1 (en) 2014-05-29
EP2733305A2 (en) 2014-05-21
AU2013257466B2 (en) 2018-02-15
EP2733305A3 (en) 2015-12-09
EP2733305B1 (en) 2017-08-16

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