ATE152210T1 - Verfahren und vorrichtung zum herstellen einer abdichtung zwischen verrohrung und bohrloch bei gesteinsbohrarbeiten - Google Patents

Verfahren und vorrichtung zum herstellen einer abdichtung zwischen verrohrung und bohrloch bei gesteinsbohrarbeiten

Info

Publication number
ATE152210T1
ATE152210T1 AT93906918T AT93906918T ATE152210T1 AT E152210 T1 ATE152210 T1 AT E152210T1 AT 93906918 T AT93906918 T AT 93906918T AT 93906918 T AT93906918 T AT 93906918T AT E152210 T1 ATE152210 T1 AT E152210T1
Authority
AT
Austria
Prior art keywords
casing
drilling
seal
end portion
rock drilling
Prior art date
Application number
AT93906918T
Other languages
English (en)
Inventor
Hans Alexandersson
Anders Nelson
Original Assignee
Hans Alexandersson
Anders Nelson
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 Hans Alexandersson, Anders Nelson filed Critical Hans Alexandersson
Application granted granted Critical
Publication of ATE152210T1 publication Critical patent/ATE152210T1/de

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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • 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
    • E21B17/14—Casing shoes for the protection of the bottom of the casing
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs
    • E21B33/1208—Packers; Plugs characterised by the construction of the sealing or packing means
    • 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
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
  • Drilling And Boring (AREA)
AT93906918T 1992-03-09 1993-02-09 Verfahren und vorrichtung zum herstellen einer abdichtung zwischen verrohrung und bohrloch bei gesteinsbohrarbeiten ATE152210T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9200730A SE469394B (sv) 1992-03-09 1992-03-09 Saett att vid bergborrning utfoera avtaetning mellan foderroer och borrhaal jaemte anordning foer saettets genomfoerande

Publications (1)

Publication Number Publication Date
ATE152210T1 true ATE152210T1 (de) 1997-05-15

Family

ID=20385571

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93906918T ATE152210T1 (de) 1992-03-09 1993-02-09 Verfahren und vorrichtung zum herstellen einer abdichtung zwischen verrohrung und bohrloch bei gesteinsbohrarbeiten

Country Status (5)

Country Link
EP (1) EP0629259B1 (de)
AT (1) ATE152210T1 (de)
DE (1) DE69310159D1 (de)
SE (1) SE469394B (de)
WO (1) WO1993018274A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6401820B1 (en) * 1998-01-24 2002-06-11 Downhole Products Plc Downhole tool
SE522748C2 (sv) * 1998-03-04 2004-03-02 Hans Alexandersson Energibrunnstätning
WO2002059452A1 (en) 2001-01-26 2002-08-01 E2 Tech Limited Device and method to seal boreholes
GB0131019D0 (en) 2001-12-27 2002-02-13 Weatherford Lamb Bore isolation
GB0303152D0 (en) 2003-02-12 2003-03-19 Weatherford Lamb Seal
SE537708C2 (sv) * 2012-04-04 2015-10-06 Lkab Wassara Ab Borranordning för rördrivning

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1454305A (en) * 1974-01-25 1976-11-03 Coal Industry Patents Ltd Standpipe device
US4919989A (en) * 1989-04-10 1990-04-24 American Colloid Company Article for sealing well castings in the earth

Also Published As

Publication number Publication date
WO1993018274A1 (en) 1993-09-16
SE9200730L (sv) 1993-06-28
DE69310159D1 (de) 1997-05-28
SE469394B (sv) 1993-06-28
SE9200730D0 (sv) 1992-03-09
EP0629259B1 (de) 1997-04-23
EP0629259A1 (de) 1994-12-21

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties