SE0203421L - Rock drilling device - Google Patents

Rock drilling device

Info

Publication number
SE0203421L
SE0203421L SE0203421A SE0203421A SE0203421L SE 0203421 L SE0203421 L SE 0203421L SE 0203421 A SE0203421 A SE 0203421A SE 0203421 A SE0203421 A SE 0203421A SE 0203421 L SE0203421 L SE 0203421L
Authority
SE
Sweden
Prior art keywords
drilling device
rock drilling
rock
drilling
Prior art date
Application number
SE0203421A
Other languages
Swedish (sv)
Other versions
SE0203421D0 (en
SE523362C2 (en
Inventor
Fredrik Egerstroem
Original Assignee
Wassara Ab
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 Wassara Ab filed Critical Wassara Ab
Priority to SE0203421A priority Critical patent/SE523362C2/en
Publication of SE0203421D0 publication Critical patent/SE0203421D0/en
Priority to AU2003264571A priority patent/AU2003264571A1/en
Priority to PCT/SE2003/001433 priority patent/WO2004061260A1/en
Publication of SE0203421L publication Critical patent/SE0203421L/en
Publication of SE523362C2 publication Critical patent/SE523362C2/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
    • E21B21/10—Valve arrangements in drilling-fluid 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers
SE0203421A 2002-11-20 2002-11-20 Rock drilling device with fluid operated hammer, has spring loaded check valve formed by sliding cone located in fluid supply line for sink drill SE523362C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE0203421A SE523362C2 (en) 2002-11-20 2002-11-20 Rock drilling device with fluid operated hammer, has spring loaded check valve formed by sliding cone located in fluid supply line for sink drill
AU2003264571A AU2003264571A1 (en) 2002-11-20 2003-09-15 A rock drilling arrangement
PCT/SE2003/001433 WO2004061260A1 (en) 2002-11-20 2003-09-15 A rock drilling arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0203421A SE523362C2 (en) 2002-11-20 2002-11-20 Rock drilling device with fluid operated hammer, has spring loaded check valve formed by sliding cone located in fluid supply line for sink drill

Publications (3)

Publication Number Publication Date
SE0203421D0 SE0203421D0 (en) 2002-11-20
SE0203421L true SE0203421L (en) 2004-04-13
SE523362C2 SE523362C2 (en) 2004-04-13

Family

ID=20289613

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0203421A SE523362C2 (en) 2002-11-20 2002-11-20 Rock drilling device with fluid operated hammer, has spring loaded check valve formed by sliding cone located in fluid supply line for sink drill

Country Status (3)

Country Link
AU (1) AU2003264571A1 (en)
SE (1) SE523362C2 (en)
WO (1) WO2004061260A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8726993B2 (en) * 2010-05-27 2014-05-20 Claude E Cooke, Jr. Method and apparatus for maintaining pressure in well cementing during curing

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2399530A1 (en) * 1977-08-05 1979-03-02 Petroles Cie Francaise ROTARY DRILLING TOOL EQUIPPED WITH A PERCUSSION DEVICE
FR2529939A1 (en) * 1982-07-08 1984-01-13 Petroles Cie Francaise ROTARY DRILLING TOOL HAVING A PERCUSSION DEVICE
US5682957A (en) * 1995-12-21 1997-11-04 Ingersoll-Rand Company Water separator for a down hole drill
WO1999064711A2 (en) * 1998-06-12 1999-12-16 Ingersoll-Rand Company Improved backhead and check valve for down-hole drills
CN1318722C (en) * 2000-11-27 2007-05-30 国际壳牌研究有限公司 Hydraulic drill string accumulator

Also Published As

Publication number Publication date
SE0203421D0 (en) 2002-11-20
WO2004061260A1 (en) 2004-07-22
AU2003264571A1 (en) 2004-07-29
SE523362C2 (en) 2004-04-13

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Legal Events

Date Code Title Description
NUG Patent has lapsed