NO20023988A - Method and device for leaching protection of top holes - Google Patents

Method and device for leaching protection of top holes

Info

Publication number
NO20023988A
NO20023988A NO20023988A NO20023988A NO20023988A NO 20023988 A NO20023988 A NO 20023988A NO 20023988 A NO20023988 A NO 20023988A NO 20023988 A NO20023988 A NO 20023988A NO 20023988 A NO20023988 A NO 20023988A
Authority
NO
Norway
Prior art keywords
top holes
leaching protection
leaching
protection
holes
Prior art date
Application number
NO20023988A
Other languages
Norwegian (no)
Other versions
NO20023988D0 (en
NO316464B1 (en
Inventor
Per Espen Edvardsen
Original Assignee
Per Espen Edvardsen
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 Per Espen Edvardsen filed Critical Per Espen Edvardsen
Priority to NO20023988A priority Critical patent/NO316464B1/en
Publication of NO20023988D0 publication Critical patent/NO20023988D0/en
Priority to AU2003263678A priority patent/AU2003263678A1/en
Priority to PCT/NO2003/000284 priority patent/WO2004018830A1/en
Publication of NO20023988A publication Critical patent/NO20023988A/en
Publication of NO316464B1 publication Critical patent/NO316464B1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B17/18—Pipes provided with plural fluid passages
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/12—Underwater drilling
NO20023988A 2002-08-21 2002-08-21 Procedure and apparatus for leaching of top holes NO316464B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NO20023988A NO316464B1 (en) 2002-08-21 2002-08-21 Procedure and apparatus for leaching of top holes
AU2003263678A AU2003263678A1 (en) 2002-08-21 2003-08-19 Wash out preventer
PCT/NO2003/000284 WO2004018830A1 (en) 2002-08-21 2003-08-19 Wash out preventer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20023988A NO316464B1 (en) 2002-08-21 2002-08-21 Procedure and apparatus for leaching of top holes

Publications (3)

Publication Number Publication Date
NO20023988D0 NO20023988D0 (en) 2002-08-21
NO20023988A true NO20023988A (en) 2004-01-26
NO316464B1 NO316464B1 (en) 2004-01-26

Family

ID=19913917

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20023988A NO316464B1 (en) 2002-08-21 2002-08-21 Procedure and apparatus for leaching of top holes

Country Status (3)

Country Link
AU (1) AU2003263678A1 (en)
NO (1) NO316464B1 (en)
WO (1) WO2004018830A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO334558B1 (en) 2012-02-27 2014-04-07 Aker Subsea As Device for preventing leaching of pulp during subsea drilling

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2929610A (en) * 1954-12-27 1960-03-22 Shell Oil Co Drilling
US3419092A (en) * 1967-04-06 1968-12-31 Walker Neer Mfg Inc Well drilling method
NO139231C (en) * 1977-05-09 1979-01-24 Saga Petroleum CONSTRUCTION FOR DOWNLOADING AND ANCHORING GUIDELINES BETWEEN A FLOATING DRILLING RIG AND THE SEAL

Also Published As

Publication number Publication date
AU2003263678A1 (en) 2004-03-11
NO20023988D0 (en) 2002-08-21
NO316464B1 (en) 2004-01-26
WO2004018830A1 (en) 2004-03-04

Similar Documents

Publication Publication Date Title
NO20051106D0 (en) Well drilling system and method
DK1271537T3 (en) Method and apparatus for simplifying access to metadata
NO20041005L (en) Method and apparatus for assembling reattachable absorbent garments
IS7369A (en) Microchip synthesis method and apparatus
NO20031489D0 (en) Method and arrangement of drawable bridge plug
NO20040640L (en) Device and method
DK1357025T3 (en) Cutting device and method of cutting
NO20025188D0 (en) Device for electronic appliances and equipment
NO20031168D0 (en) Method and apparatus for performing drilling operations
DK1463683T3 (en) Method and arrangement of loading column
NO20043150D0 (en) "Heat recovery method and equipment"
NO20030843D0 (en) Device and method of cultivation
NO20035508D0 (en) Power tong assembly and method
IS7273A (en) Method and equipment for classification
NO20053984L (en) Method and apparatus for the mechanical recovery of fishmeat
NO20044653D0 (en) Method and arrangement of an elevator
NO20023988A (en) Method and device for leaching protection of top holes
NO20044848D0 (en) Device and method
NO20010703D0 (en) Method and apparatus for removing platform parts
NO20025798D0 (en) Device and method of downhole controlled tool
NO20011176L (en) Method and arrangement of cages
NO20032347D0 (en) Procedure and apparatus by simulator
NO20022026L (en) Method and system for measuring properties of a surface
ATE345036T1 (en) CASTING APPARATUS AND METHOD
NO20032933D0 (en) Device and method of gravestone attachment

Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees