FI20090415A0 - Method for connecting a protective tube to a drill bit - Google Patents

Method for connecting a protective tube to a drill bit

Info

Publication number
FI20090415A0
FI20090415A0 FI20090415A FI20090415A FI20090415A0 FI 20090415 A0 FI20090415 A0 FI 20090415A0 FI 20090415 A FI20090415 A FI 20090415A FI 20090415 A FI20090415 A FI 20090415A FI 20090415 A0 FI20090415 A0 FI 20090415A0
Authority
FI
Finland
Prior art keywords
drill bit
protective tube
protective
tube
drill
Prior art date
Application number
FI20090415A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI122434B (en
Inventor
Juhani Vaelisalo
Original Assignee
Pirkan Laatupalvelu Oy
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 Pirkan Laatupalvelu Oy filed Critical Pirkan Laatupalvelu Oy
Priority to FI20090415A priority Critical patent/FI122434B/en
Publication of FI20090415A0 publication Critical patent/FI20090415A0/en
Priority to PCT/FI2010/000068 priority patent/WO2011055001A1/en
Priority to KR1020127014913A priority patent/KR101749914B1/en
Priority to EP10827950.6A priority patent/EP2499325B1/en
Priority to US13/508,618 priority patent/US20120227985A1/en
Priority to CA2779648A priority patent/CA2779648A1/en
Application granted granted Critical
Publication of FI122434B publication Critical patent/FI122434B/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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
    • 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
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
    • 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
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • E21B17/076—Telescoping joints for varying drill string lengths; Shock absorbers between rod or pipe and drill bit
    • 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
    • E21B17/14—Casing shoes for the protection of the bottom of the casing
FI20090415A 2009-11-09 2009-11-09 Method of connecting a protective tube to a drill bit FI122434B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI20090415A FI122434B (en) 2009-11-09 2009-11-09 Method of connecting a protective tube to a drill bit
PCT/FI2010/000068 WO2011055001A1 (en) 2009-11-09 2010-11-09 Method for coupling of a casing tube to a drill bit
KR1020127014913A KR101749914B1 (en) 2009-11-09 2010-11-09 Method for coupling of a casing tube to a drill bit
EP10827950.6A EP2499325B1 (en) 2009-11-09 2010-11-09 Method for coupling of a casing tube to a drill bit
US13/508,618 US20120227985A1 (en) 2009-11-09 2010-11-09 Method for coupling of a casing tube to a drill bit
CA2779648A CA2779648A1 (en) 2009-11-09 2010-11-09 Method for coupling of a casing tube to a drill bit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20090415 2009-11-09
FI20090415A FI122434B (en) 2009-11-09 2009-11-09 Method of connecting a protective tube to a drill bit

Publications (2)

Publication Number Publication Date
FI20090415A0 true FI20090415A0 (en) 2009-11-09
FI122434B FI122434B (en) 2012-01-31

Family

ID=41395143

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20090415A FI122434B (en) 2009-11-09 2009-11-09 Method of connecting a protective tube to a drill bit

Country Status (6)

Country Link
US (1) US20120227985A1 (en)
EP (1) EP2499325B1 (en)
KR (1) KR101749914B1 (en)
CA (1) CA2779648A1 (en)
FI (1) FI122434B (en)
WO (1) WO2011055001A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5849671B2 (en) 2011-12-09 2016-02-03 三菱マテリアル株式会社 Drilling tools
US10487595B2 (en) * 2016-06-30 2019-11-26 The Charles Machine Works, Inc. Collar with stepped retaining ring groove
US10760354B2 (en) * 2016-06-30 2020-09-01 The Charles Machine Works, Inc. Collar with stepped retaining ring groove

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4136982A (en) * 1977-10-04 1979-01-30 General Motors Corporation Centered fastener assembly
DE4207839C2 (en) * 1992-03-12 1993-12-16 Loehr & Bromkamp Gmbh Hub attachment
WO1995034740A1 (en) * 1994-06-10 1995-12-21 Ilomaeki Valto Drilling apparatus
FI945965A0 (en) * 1994-11-11 1994-12-20 Valto Ilomaeki Foerfarande Foer borrning av ett haol med en stoetborrmaskin och motsvarande kutterspindel
DE29501158U1 (en) * 1995-01-25 1995-03-30 Electrolux Corporate Patents & Locking device for a drive shaft
DE10015911B4 (en) * 2000-03-30 2006-06-29 Zf Sachs Ag Axial securing of two components with a retaining ring
FI20010699A0 (en) * 2001-04-04 2001-04-04 Jorma Jaervelae Method of drilling and drilling
FI115787B (en) 2002-03-15 2005-07-15 Rd Trenchless Ltd Oy Method of connecting the protective tube to the drill bit and the corresponding joint

Also Published As

Publication number Publication date
EP2499325A4 (en) 2017-03-29
CA2779648A1 (en) 2011-05-12
EP2499325A1 (en) 2012-09-19
US20120227985A1 (en) 2012-09-13
WO2011055001A1 (en) 2011-05-12
KR20120095961A (en) 2012-08-29
FI122434B (en) 2012-01-31
KR101749914B1 (en) 2017-07-03
EP2499325B1 (en) 2018-03-28

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Legal Events

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