DE602008004471D1 - Abstandshalter mit schraubenförmigem schlitz - Google Patents

Abstandshalter mit schraubenförmigem schlitz

Info

Publication number
DE602008004471D1
DE602008004471D1 DE602008004471T DE602008004471T DE602008004471D1 DE 602008004471 D1 DE602008004471 D1 DE 602008004471D1 DE 602008004471 T DE602008004471 T DE 602008004471T DE 602008004471 T DE602008004471 T DE 602008004471T DE 602008004471 D1 DE602008004471 D1 DE 602008004471D1
Authority
DE
Germany
Prior art keywords
abrasive fluid
chamber
earth formation
housing
jet
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.)
Active
Application number
DE602008004471T
Other languages
English (en)
Inventor
Jan-Jette Blange
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Publication of DE602008004471D1 publication Critical patent/DE602008004471D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/002—Down-hole drilling fluid separation systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Pens And Brushes (AREA)
  • Connection Of Plates (AREA)
  • Dowels (AREA)
DE602008004471T 2007-03-22 2008-03-20 Abstandshalter mit schraubenförmigem schlitz Active DE602008004471D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP07104677 2007-03-22
PCT/EP2008/053341 WO2008113844A1 (en) 2007-03-22 2008-03-20 Distance holder with helical slot

Publications (1)

Publication Number Publication Date
DE602008004471D1 true DE602008004471D1 (de) 2011-02-24

Family

ID=38323972

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602008004471T Active DE602008004471D1 (de) 2007-03-22 2008-03-20 Abstandshalter mit schraubenförmigem schlitz

Country Status (9)

Country Link
US (1) US8256533B2 (de)
EP (1) EP2129859B1 (de)
CN (1) CN101641491B (de)
AT (1) ATE495339T1 (de)
AU (1) AU2008228174B2 (de)
BR (1) BRPI0808900A2 (de)
CA (1) CA2680454C (de)
DE (1) DE602008004471D1 (de)
WO (1) WO2008113844A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011076847A1 (en) 2009-12-23 2011-06-30 Shell Internationale Research Maatschappij B.V. Drilling a borehole and hybrid drill string
CN102686821B (zh) 2009-12-23 2015-09-30 国际壳牌研究有限公司 钻孔方法和射流钻孔系统
CA2784545A1 (en) 2009-12-23 2011-06-30 Shell Internationale Research Maatschappij B.V. Method of drilling and jet drilling system
EP2516786A1 (de) 2009-12-23 2012-10-31 Shell Internationale Research Maatschappij B.V. Bohrverfahren und schleifstrahlbohranordnung
CN102686822B (zh) 2009-12-23 2015-06-03 国际壳牌研究有限公司 确定地层材料性质

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1502851A (en) * 1922-01-20 1924-07-29 Gale George Washington Magazine rotary drill bit
SE398468B (sv) 1971-12-23 1977-12-27 Daimler Benz Ag Anordning for uppberande av ett batteritrag i chassiet av ett batteridrivet fordon
US3838742A (en) * 1973-08-20 1974-10-01 Gulf Research Development Co Drill bit for abrasive jet drilling
US5199512A (en) 1990-09-04 1993-04-06 Ccore Technology And Licensing, Ltd. Method of an apparatus for jet cutting
US5887667A (en) * 1997-07-16 1999-03-30 Ring-O-Matic Manufacturing Company, Inc. Method and means for drilling an earthen hole
GC0000132A (en) * 1999-04-28 2005-06-29 Shell Int Research Abrasive jet drilling assembly.
US6397959B1 (en) * 2000-05-17 2002-06-04 Ramiro Bazan Villarreal Mill
EG23135A (en) * 2001-03-06 2004-04-28 Shell Int Research Jet cutting device with deflector
AUPR886401A0 (en) * 2001-11-14 2001-12-06 Cmte Development Limited Fluid drilling head
US7258176B2 (en) 2003-04-16 2007-08-21 Particle Drilling, Inc. Drill bit
ATE374304T1 (de) * 2003-10-29 2007-10-15 Shell Int Research Fluidstrahlbohrwerkzeug
DE602004009212T2 (de) * 2003-10-29 2008-01-24 Shell Internationale Research Maatschappij B.V. Fluidstrahlbohrwerkzeug
CA2680429C (en) * 2007-03-22 2015-11-17 Shell Canada Limited Distance holder with jet deflector

Also Published As

Publication number Publication date
EP2129859B1 (de) 2011-01-12
ATE495339T1 (de) 2011-01-15
US20100108389A1 (en) 2010-05-06
EP2129859A1 (de) 2009-12-09
CN101641491A (zh) 2010-02-03
CA2680454A1 (en) 2008-09-25
BRPI0808900A2 (pt) 2014-08-19
US8256533B2 (en) 2012-09-04
WO2008113844A1 (en) 2008-09-25
CA2680454C (en) 2015-06-16
AU2008228174B2 (en) 2011-04-14
CN101641491B (zh) 2013-03-20
AU2008228174A1 (en) 2008-09-25

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