NO20056155L - Borkrone, system og fremgangsmate for bronnboring - Google Patents

Borkrone, system og fremgangsmate for bronnboring

Info

Publication number
NO20056155L
NO20056155L NO20056155A NO20056155A NO20056155L NO 20056155 L NO20056155 L NO 20056155L NO 20056155 A NO20056155 A NO 20056155A NO 20056155 A NO20056155 A NO 20056155A NO 20056155 L NO20056155 L NO 20056155L
Authority
NO
Norway
Prior art keywords
drill bit
longitudinal axis
borehole
angle
impact
Prior art date
Application number
NO20056155A
Other languages
English (en)
Inventor
Antonio Maria Guimaraes L Cruz
Original Assignee
Shell Int Research
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 Shell Int Research filed Critical Shell Int Research
Publication of NO20056155L publication Critical patent/NO20056155L/no

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
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56—Button-type inserts
    • 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
    • E21B10/36—Percussion drill bits

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)
  • Earth Drilling (AREA)

Abstract

Borkrone for boring av et borehull i en grunnformasjon (13) og omfattende en sentral lengdeakse, hvor borkronen er innrettet for drift ved minst én dreiebevegelse om aksen og eventuelt en langsgående resiprok bevegelse for å virke med slagkraft mot bunnen av borehullet. Særlig omfatter borkronen en overflate utrustet med flere skjæretenner (9) med en slagflate (19) innrettet for å indusere en skrapebevegelse langs borehullets bunn ved påtrykk av dreiebevegelsen, hvor denne slagflate (19) under driften vender i rotasjonsretningen og danner en tilbakerakingsvinkel på mindre enn 90°, idet denne vinkel er definert som vinkelen mellom projeksjonen av en linje perpendikulær på slagflaten (19) på et plan fastlagt ved den sentrale lengdeakse og retningen av den tangentiale hastighetskomponent av skjæretannen (9) og et plan perpendikulært med denne lengdeakse, og hvor en eller flere av skjæretennene, i tillegg til rakeoverflaten er utrustet med en forhåndsskåret flat slagflate (19) orientert i alt vesentlig parallelt med planet normalt på lengdeaksen.
NO20056155A 2003-05-26 2005-12-23 Borkrone, system og fremgangsmate for bronnboring NO20056155L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03076613 2003-05-26
PCT/EP2004/050913 WO2004104363A1 (en) 2003-05-26 2004-05-25 Drill bit, system, and method for drilling a borehole in an earth formation

Publications (1)

Publication Number Publication Date
NO20056155L true NO20056155L (no) 2006-02-17

Family

ID=33462166

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20056155A NO20056155L (no) 2003-05-26 2005-12-23 Borkrone, system og fremgangsmate for bronnboring

Country Status (12)

Country Link
US (1) US7726419B2 (no)
EP (1) EP1627129B1 (no)
CN (1) CN100507201C (no)
AR (1) AR044550A1 (no)
BR (1) BRPI0410543A (no)
CA (1) CA2526254C (no)
CO (1) CO5630006A2 (no)
DE (1) DE602004003048T2 (no)
EG (1) EG23952A (no)
NO (1) NO20056155L (no)
RU (1) RU2332554C2 (no)
WO (1) WO2004104363A1 (no)

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AR044485A1 (es) 2003-06-12 2005-09-14 Shell Int Research Mecha perforadora con percusion, sistema de perforacion que incluye dicha mecha perforadora y un metodo para perforar un pozo
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SE530602C2 (sv) * 2004-11-17 2008-07-15 Sandvik Intellectual Property Bergborrkrona för slående borrning
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US8800690B2 (en) * 2008-03-31 2014-08-12 Center Rock Inc. Down-the-hole drill hammer having a reverse exhaust system and segmented chuck assembly
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SA111320671B1 (ar) 2010-08-06 2015-01-22 بيكر هوغيس انكور عوامل القطع المشكلة لادوات ثقب الارض و ادوات ثقب الارض شاملة عوامل القطع هذه و الطرق المختصة بها
SG11201404731YA (en) 2012-02-08 2014-09-26 Baker Hughes Inc Shaped cutting elements for earth-boring tools and earth-boring tools including such cutting elements
US9353576B2 (en) * 2012-09-12 2016-05-31 International Tool Corporation Hammer bit
GB2506901B (en) * 2012-10-11 2019-10-23 Halliburton Energy Services Inc Drill bit apparatus to control torque on bit
CN102943626B (zh) * 2012-12-06 2015-01-07 邵金安 冲击旋切钻头及使用该钻头的入岩钻机
EP2865843B1 (en) * 2013-10-28 2016-01-20 Sandvik Intellectual Property AB Percussive rock drill bit with optimised gauge buttons
EP2921639A1 (en) * 2014-03-18 2015-09-23 Sandvik Intellectual Property AB Percussive drill bit with multiple sets of front cutting inserts
CN106089092B (zh) * 2016-08-11 2019-03-12 中国石油大学(华东) 一种可调节钻头本体尺寸的钻头
CN108561084B (zh) * 2018-04-20 2024-04-02 德清爱得机械有限公司 一种旋挖机刀座
WO2020180330A1 (en) * 2019-03-07 2020-09-10 Halliburton Energy Services, Inc. Shaped cutter arrangements
CN111287664A (zh) * 2020-04-15 2020-06-16 西南石油大学 一种具有动态应力干涉原理的pdc钻头

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AR044550A1 (es) 2003-05-26 2005-09-21 Shell Int Research Cabeza de perforacion y sistema y metodo para perforar un pozo de perforacion en una formacion de tierra
AR044485A1 (es) * 2003-06-12 2005-09-14 Shell Int Research Mecha perforadora con percusion, sistema de perforacion que incluye dicha mecha perforadora y un metodo para perforar un pozo
US7798257B2 (en) * 2004-04-30 2010-09-21 Smith International, Inc. Shaped cutter surface

Also Published As

Publication number Publication date
DE602004003048D1 (de) 2006-12-14
CO5630006A2 (es) 2006-04-28
EG23952A (en) 2008-01-29
WO2004104363A1 (en) 2004-12-02
CN100507201C (zh) 2009-07-01
CA2526254A1 (en) 2004-12-02
AR044550A1 (es) 2005-09-21
US20060249309A1 (en) 2006-11-09
DE602004003048T2 (de) 2007-03-01
CN1795319A (zh) 2006-06-28
BRPI0410543A (pt) 2006-06-20
CA2526254C (en) 2012-01-31
RU2005140566A (ru) 2006-06-27
RU2332554C2 (ru) 2008-08-27
US7726419B2 (en) 2010-06-01
EP1627129A1 (en) 2006-02-22
EP1627129B1 (en) 2006-11-02

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