EP2733305A3 - Rotational drill bits and drilling apparatuses including the same - Google Patents
Rotational drill bits and drilling apparatuses including the same Download PDFInfo
- Publication number
- EP2733305A3 EP2733305A3 EP13193101.6A EP13193101A EP2733305A3 EP 2733305 A3 EP2733305 A3 EP 2733305A3 EP 13193101 A EP13193101 A EP 13193101A EP 2733305 A3 EP2733305 A3 EP 2733305A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- bit body
- same
- drill bits
- internal passage
- apparatuses including
- 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.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title 1
- 239000012530 fluid Substances 0.000 abstract 2
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)
Abstract
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 (3)
Publication Number | Publication Date |
---|---|
EP2733305A2 EP2733305A2 (en) | 2014-05-21 |
EP2733305A3 true EP2733305A3 (en) | 2015-12-09 |
EP2733305B1 EP2733305B1 (en) | 2017-08-16 |
Family
ID=49584650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13193101.6A Active EP2733305B1 (en) | 2012-11-15 | 2013-11-15 | 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)
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 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5429199A (en) * | 1992-08-26 | 1995-07-04 | Kennametal Inc. | Cutting bit and cutting insert |
US20110297451A1 (en) * | 2010-06-04 | 2011-12-08 | Dover Bmcs Acquisition Corporation | Rotational Drill Bits and Drilling Apparatuses Including the Same |
Family Cites Families (6)
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 |
US9771760B2 (en) | 2009-03-09 | 2017-09-26 | 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 |
-
2013
- 2013-11-14 AU AU2013257466A patent/AU2013257466B2/en active Active
- 2013-11-14 ZA ZA2013/08590A patent/ZA201308590B/en unknown
- 2013-11-15 EP EP13193101.6A patent/EP2733305B1/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5429199A (en) * | 1992-08-26 | 1995-07-04 | Kennametal Inc. | Cutting bit and cutting insert |
US20110297451A1 (en) * | 2010-06-04 | 2011-12-08 | Dover Bmcs Acquisition Corporation | Rotational 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 |
ZA201308590B (en) | 2021-05-26 |
AU2013257466B2 (en) | 2018-02-15 |
EP2733305B1 (en) | 2017-08-16 |
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