NO975062L - Verkt÷y og fremgangsmÕte for utforming av et borehull - Google Patents

Verkt÷y og fremgangsmÕte for utforming av et borehull

Info

Publication number
NO975062L
NO975062L NO975062A NO975062A NO975062L NO 975062 L NO975062 L NO 975062L NO 975062 A NO975062 A NO 975062A NO 975062 A NO975062 A NO 975062A NO 975062 L NO975062 L NO 975062L
Authority
NO
Norway
Prior art keywords
sub
borehole
shutter
drill bit
arms
Prior art date
Application number
NO975062A
Other languages
English (en)
Other versions
NO975062D0 (no
Inventor
Donald Jewkes
Volker Krueger
Original Assignee
Baker Hughes Inc
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 Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of NO975062D0 publication Critical patent/NO975062D0/no
Publication of NO975062L publication Critical patent/NO975062L/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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
    • 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
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • E21B10/322—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools cutter shifted by fluid pressure
    • 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
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1057—Centralising devices with rollers or with a relatively rotating sleeve
    • E21B17/1064—Pipes or rods with a relatively rotating sleeve

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

Foreliggende oppfinnelse gjelder en anordning for bruk ved boreoperasjo- ner. Den anvender en underrømmer (12) som har et antall langstrakte armer (52) med skjæreelementer (56) ved armenes ender, for utvidelse av et på forhånd bo- ret borehull (36) som er boret ved hjelp av en borkrone (34). En eller flere stabili- satorer (14) nær underrømmeren gir stabilitet til underrømmeren og borkronen. Stabilisatoren kan være roterende eller ikke-roterende, og kan være plassert mel- lom underrømmeren (12) og borkronen (34) eller over underrømmeren eller over en retningsanordnig (40) i borstrengen (32). Skjærearmene (52) er selektivt ope- rable for utførelse av utvidelsen. Stabilisatoren (14) kan være utstyrt med dele som er nøye tilpasset borehullets (20) størrelse.
NO975062A 1996-11-04 1997-11-03 Verkt÷y og fremgangsmÕte for utforming av et borehull NO975062L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3012796P 1996-11-04 1996-11-04

Publications (2)

Publication Number Publication Date
NO975062D0 NO975062D0 (no) 1997-11-03
NO975062L true NO975062L (no) 1998-05-05

Family

ID=21852657

Family Applications (1)

Application Number Title Priority Date Filing Date
NO975062A NO975062L (no) 1996-11-04 1997-11-03 Verkt÷y og fremgangsmÕte for utforming av et borehull

Country Status (4)

Country Link
US (1) US6059051A (no)
GB (1) GB2319046B (no)
NL (1) NL1007439C2 (no)
NO (1) NO975062L (no)

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CN109930993A (zh) * 2019-04-22 2019-06-25 北京城建勘测设计研究院有限责任公司 一种卵石地层管井降水成井装置及施工方法
CN110714723B (zh) * 2019-11-15 2021-10-26 四川石油天然气建设工程有限责任公司 一种大型长输管道定向钻穿越扩孔工艺及管道安装工艺
EP4372202B1 (de) 2022-11-15 2024-10-09 BAUER Maschinen GmbH Im-loch-bohrgerät und verfahren zum erstellen einer bohrung im boden
CN117803314B (zh) * 2023-12-27 2024-08-06 中煤科工集团沈阳研究院有限公司 一种水力驱动造穴增透设备

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Also Published As

Publication number Publication date
NL1007439A1 (nl) 1998-05-08
GB9723290D0 (en) 1998-01-07
GB2319046A (en) 1998-05-13
NO975062D0 (no) 1997-11-03
GB2319046B (en) 2001-07-04
NL1007439C2 (nl) 1998-10-07
US6059051A (en) 2000-05-09

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