SE461345B - Saett och anordning foer att varsamt nedfoera foderroer genom oemtaalig mark och oemtaaliga konstruktioner - Google Patents

Saett och anordning foer att varsamt nedfoera foderroer genom oemtaalig mark och oemtaaliga konstruktioner

Info

Publication number
SE461345B
SE461345B SE8502723A SE8502723A SE461345B SE 461345 B SE461345 B SE 461345B SE 8502723 A SE8502723 A SE 8502723A SE 8502723 A SE8502723 A SE 8502723A SE 461345 B SE461345 B SE 461345B
Authority
SE
Sweden
Prior art keywords
compressed air
drill bit
air flow
drill
casing
Prior art date
Application number
SE8502723A
Other languages
English (en)
Swedish (sv)
Other versions
SE8502723D0 (sv
SE8502723L (sv
Inventor
S-E Bjerking
S-G Andersson
Original Assignee
Sandvik Rock Tools 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
Publication of SE8502723D0 publication Critical patent/SE8502723D0/xx
Priority to SE8502723A priority Critical patent/SE461345B/sv
Application filed by Sandvik Rock Tools Ab filed Critical Sandvik Rock Tools Ab
Priority to ZA863997A priority patent/ZA863997B/xx
Priority to IE1407/86A priority patent/IE57420B1/en
Priority to AU58065/86A priority patent/AU5806586A/en
Priority to AT86850191T priority patent/ATE63147T1/de
Priority to EP86850191A priority patent/EP0204677B1/de
Priority to DE8686850191T priority patent/DE3678997D1/de
Priority to CA000510556A priority patent/CA1252456A/en
Priority to JP61125959A priority patent/JPS626024A/ja
Priority to US06/869,697 priority patent/US4765416A/en
Priority to CN198686103916A priority patent/CN86103916A/zh
Priority to FI862360A priority patent/FI862360A7/fi
Priority to BR8602576A priority patent/BR8602576A/pt
Publication of SE8502723L publication Critical patent/SE8502723L/
Publication of SE461345B publication Critical patent/SE461345B/sv

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10Valve arrangements in drilling-fluid circulation systems
    • E21B21/103Down-hole by-pass valve arrangements, i.e. between the inside of the drill string and the annulus
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/48Foundations inserted underneath existing buildings or constructions
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/34Concrete or concrete-like piles cast in position ; Apparatus for making same
    • E02D5/38Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/28Placing of hollow pipes or mould pipes by means arranged inside the piles or pipes

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Paleontology (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Detergent Compositions (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
SE8502723A 1985-06-03 1985-06-03 Saett och anordning foer att varsamt nedfoera foderroer genom oemtaalig mark och oemtaaliga konstruktioner SE461345B (sv)

Priority Applications (13)

Application Number Priority Date Filing Date Title
SE8502723A SE461345B (sv) 1985-06-03 1985-06-03 Saett och anordning foer att varsamt nedfoera foderroer genom oemtaalig mark och oemtaaliga konstruktioner
ZA863997A ZA863997B (en) 1985-06-03 1986-05-28 Means and device for prudent penetration of a casing through sensible overburden or sensible structures
IE1407/86A IE57420B1 (en) 1985-06-03 1986-05-28 Device for prudent penetration of a casing through sensible overburden or sensible structures
AU58065/86A AU5806586A (en) 1985-06-03 1986-05-29 Driving casing without disturbing ground formations using compressed air drill with controlled air distribution
AT86850191T ATE63147T1 (de) 1985-06-03 1986-05-29 Vorrichtung zum behutsamen eintreiben eines rohres durch empfindliche boeden oder empfindliche bauwerke.
EP86850191A EP0204677B1 (de) 1985-06-03 1986-05-29 Vorrichtung zum behutsamen Eintreiben eines Rohres durch empfindliche Böden oder empfindliche Bauwerke
DE8686850191T DE3678997D1 (de) 1985-06-03 1986-05-29 Vorrichtung zum behutsamen eintreiben eines rohres durch empfindliche boeden oder empfindliche bauwerke.
CA000510556A CA1252456A (en) 1985-06-03 1986-06-02 Means and device for prudent penetration of a casing through sensible overburden or sensible structures
US06/869,697 US4765416A (en) 1985-06-03 1986-06-02 Method for prudent penetration of a casing through sensible overburden or sensible structures
JP61125959A JPS626024A (ja) 1985-06-03 1986-06-02 脆弱な地層又は構造体を貫通してケ−シングを插入する方法並びに装置
CN198686103916A CN86103916A (zh) 1985-06-03 1986-06-03 谨慎的使壳体穿透敏感的表土层或敏感的结构用的方法和装置
FI862360A FI862360A7 (fi) 1985-06-03 1986-06-03 Foerfarande och anordning foer att foera ett hoelje genom foersiktighet kraevande jordskikt eller konstruktioner.
BR8602576A BR8602576A (pt) 1985-06-03 1986-06-03 Metodo e aparelho para a penetracao de um tubo de sondagem atraves de sobrecarga sensivel ou estruturas sensiveis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8502723A SE461345B (sv) 1985-06-03 1985-06-03 Saett och anordning foer att varsamt nedfoera foderroer genom oemtaalig mark och oemtaaliga konstruktioner

Publications (3)

Publication Number Publication Date
SE8502723D0 SE8502723D0 (sv) 1985-06-03
SE8502723L SE8502723L (sv) 1986-12-04
SE461345B true SE461345B (sv) 1990-02-05

Family

ID=20360425

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8502723A SE461345B (sv) 1985-06-03 1985-06-03 Saett och anordning foer att varsamt nedfoera foderroer genom oemtaalig mark och oemtaaliga konstruktioner

Country Status (13)

Country Link
US (1) US4765416A (de)
EP (1) EP0204677B1 (de)
JP (1) JPS626024A (de)
CN (1) CN86103916A (de)
AT (1) ATE63147T1 (de)
AU (1) AU5806586A (de)
BR (1) BR8602576A (de)
CA (1) CA1252456A (de)
DE (1) DE3678997D1 (de)
FI (1) FI862360A7 (de)
IE (1) IE57420B1 (de)
SE (1) SE461345B (de)
ZA (1) ZA863997B (de)

Families Citing this family (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8901200L (sv) * 1989-04-05 1990-10-06 Uniroc Ab Anordning foer spolning av en borrkrona
SE8901199L (sv) * 1989-04-05 1990-10-06 Uniroc Ab Excentrisk borrkrona
US5090526A (en) * 1989-12-27 1992-02-25 Sgi Inc. Self supporting, selectively collapsible soft-walled carrier
US5148875A (en) * 1990-06-21 1992-09-22 Baker Hughes Incorporated Method and apparatus for horizontal drilling
US5074366A (en) * 1990-06-21 1991-12-24 Baker Hughes Incorporated Method and apparatus for horizontal drilling
US5009271A (en) * 1990-07-16 1991-04-23 Milan Maric Drill assembly
US5355967A (en) * 1992-10-30 1994-10-18 Union Oil Company Of California Underbalance jet pump drilling method
US5456552A (en) * 1993-05-27 1995-10-10 Martin D. Cherrington Method and apparatus for installing pipe in horizontal borehole
US5366032A (en) * 1993-06-09 1994-11-22 Kay Mark A Rock bit
US6868906B1 (en) 1994-10-14 2005-03-22 Weatherford/Lamb, Inc. Closed-loop conveyance systems for well servicing
US7228901B2 (en) 1994-10-14 2007-06-12 Weatherford/Lamb, Inc. Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7100710B2 (en) 1994-10-14 2006-09-05 Weatherford/Lamb, Inc. Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7147068B2 (en) 1994-10-14 2006-12-12 Weatherford / Lamb, Inc. Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7108084B2 (en) 1994-10-14 2006-09-19 Weatherford/Lamb, Inc. Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7013997B2 (en) 1994-10-14 2006-03-21 Weatherford/Lamb, Inc. Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7036610B1 (en) 1994-10-14 2006-05-02 Weatherford / Lamb, Inc. Apparatus and method for completing oil and gas wells
US7040420B2 (en) 1994-10-14 2006-05-09 Weatherford/Lamb, Inc. Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
AUPN703195A0 (en) * 1995-12-08 1996-01-04 Bhp Australia Coal Pty Ltd Fluid drilling system
JP2998097B2 (ja) * 1996-02-13 2000-01-11 株式会社利根 拡径ビット
US6209665B1 (en) * 1996-07-01 2001-04-03 Ardis L. Holte Reverse circulation drilling system with bit locked underreamer arms
US20020043404A1 (en) * 1997-06-06 2002-04-18 Robert Trueman Erectable arm assembly for use in boreholes
US7140445B2 (en) 1997-09-02 2006-11-28 Weatherford/Lamb, Inc. Method and apparatus for drilling with casing
US6742596B2 (en) 2001-05-17 2004-06-01 Weatherford/Lamb, Inc. Apparatus and methods for tubular makeup interlock
US6536520B1 (en) 2000-04-17 2003-03-25 Weatherford/Lamb, Inc. Top drive casing system
US7509722B2 (en) 1997-09-02 2009-03-31 Weatherford/Lamb, Inc. Positioning and spinning device
US6070506A (en) * 1998-07-20 2000-06-06 Snap-On Tools Company Ratchet head electronic torque wrench
GB9815809D0 (en) 1998-07-22 1998-09-16 Appleton Robert P Casing running tool
GB2340859A (en) 1998-08-24 2000-03-01 Weatherford Lamb Method and apparatus for facilitating the connection of tubulars using a top drive
GB2340857A (en) 1998-08-24 2000-03-01 Weatherford Lamb An apparatus for facilitating the connection of tubulars and alignment with a top drive
GB2340858A (en) 1998-08-24 2000-03-01 Weatherford Lamb Methods and apparatus for facilitating the connection of tubulars using a top drive
US7188687B2 (en) 1998-12-22 2007-03-13 Weatherford/Lamb, Inc. Downhole filter
WO2000037766A2 (en) 1998-12-22 2000-06-29 Weatherford/Lamb, Inc. Procedures and equipment for profiling and jointing of pipes
GB2347441B (en) 1998-12-24 2003-03-05 Weatherford Lamb Apparatus and method for facilitating the connection of tubulars using a top drive
GB2345074A (en) 1998-12-24 2000-06-28 Weatherford Lamb Floating joint to facilitate the connection of tubulars using a top drive
US6857487B2 (en) 2002-12-30 2005-02-22 Weatherford/Lamb, Inc. Drilling with concentric strings of casing
US6854533B2 (en) 2002-12-20 2005-02-15 Weatherford/Lamb, Inc. Apparatus and method for drilling with casing
US6896075B2 (en) 2002-10-11 2005-05-24 Weatherford/Lamb, Inc. Apparatus and methods for drilling with casing
US7311148B2 (en) 1999-02-25 2007-12-25 Weatherford/Lamb, Inc. Methods and apparatus for wellbore construction and completion
US6463811B1 (en) 1999-04-28 2002-10-15 Snap-On Tools Company Bending beam torque wrench
US6231270B1 (en) * 1999-05-27 2001-05-15 Frank Cacossa Apparatus and method of installing piles
RU2155884C1 (ru) * 1999-06-02 2000-09-10 Ибрагимов Лечи Хамзатович Способ воздействия на призабойную зону скважины
RU2155883C1 (ru) * 1999-06-02 2000-09-10 Ибрагимов Лечи Хамзатович Скважинный струйный аппарат
US7216727B2 (en) 1999-12-22 2007-05-15 Weatherford/Lamb, Inc. Drilling bit for drilling while running casing
US7334650B2 (en) 2000-04-13 2008-02-26 Weatherford/Lamb, Inc. Apparatus and methods for drilling a wellbore using casing
US7325610B2 (en) 2000-04-17 2008-02-05 Weatherford/Lamb, Inc. Methods and apparatus for handling and drilling with tubulars or casing
GB0010378D0 (en) 2000-04-28 2000-06-14 Bbl Downhole Tools Ltd Expandable apparatus for drift and reaming a borehole
GB2365463B (en) 2000-08-01 2005-02-16 Renovus Ltd Drilling method
FI109143B (fi) * 2001-04-04 2002-05-31 Oy Atlas Copco Rotex Ab Menetelmä poraukseen ja porauslaitteisto
AUPR886401A0 (en) * 2001-11-14 2001-12-06 Cmte Development Limited Fluid drilling head
JP3998485B2 (ja) * 2002-02-08 2007-10-24 本田技研工業株式会社 バンパーとトーイングフックカバーの塗装組み付け方法
GB0206227D0 (en) 2002-03-16 2002-05-01 Weatherford Lamb Bore-lining and drilling
US6994176B2 (en) 2002-07-29 2006-02-07 Weatherford/Lamb, Inc. Adjustable rotating guides for spider or elevator
US6899186B2 (en) 2002-12-13 2005-05-31 Weatherford/Lamb, Inc. Apparatus and method of drilling with casing
US7303022B2 (en) 2002-10-11 2007-12-04 Weatherford/Lamb, Inc. Wired casing
AU2002952176A0 (en) 2002-10-18 2002-10-31 Cmte Development Limited Drill head steering
US6953096B2 (en) 2002-12-31 2005-10-11 Weatherford/Lamb, Inc. Expandable bit with secondary release device
US7128154B2 (en) 2003-01-30 2006-10-31 Weatherford/Lamb, Inc. Single-direction cementing plug
USRE42877E1 (en) 2003-02-07 2011-11-01 Weatherford/Lamb, Inc. Methods and apparatus for wellbore construction and completion
WO2004076804A1 (en) 2003-02-27 2004-09-10 Weatherford/Lamb Inc. Drill shoe
US7360594B2 (en) 2003-03-05 2008-04-22 Weatherford/Lamb, Inc. Drilling with casing latch
CA2517883C (en) 2003-03-05 2010-01-12 Weatherford/Lamb, Inc. Full bore lined wellbores
US7503397B2 (en) 2004-07-30 2009-03-17 Weatherford/Lamb, Inc. Apparatus and methods of setting and retrieving casing with drilling latch and bottom hole assembly
CA2517895C (en) 2003-03-05 2009-12-01 Weatherford/Lamb, Inc. Casing running and drilling system
US7874352B2 (en) 2003-03-05 2011-01-25 Weatherford/Lamb, Inc. Apparatus for gripping a tubular on a drilling rig
WO2004090279A1 (en) 2003-04-04 2004-10-21 Weatherford/Lamb, Inc. Method and apparatus for handling wellbore tubulars
USD496948S1 (en) 2003-06-12 2004-10-05 Luc Charland Square drill bit
US7182156B2 (en) * 2003-06-12 2007-02-27 Luc Charland System for overburden drilling
US7650944B1 (en) 2003-07-11 2010-01-26 Weatherford/Lamb, Inc. Vessel for well intervention
US7264067B2 (en) 2003-10-03 2007-09-04 Weatherford/Lamb, Inc. Method of drilling and completing multiple wellbores inside a single caisson
US7284617B2 (en) 2004-05-20 2007-10-23 Weatherford/Lamb, Inc. Casing running head
DE602005006198T2 (de) 2004-07-20 2009-07-09 Weatherford/Lamb, Inc., Houston Oberantrieb zur Verbindung von Futterrohren
CA2532907C (en) 2005-01-12 2008-08-12 Weatherford/Lamb, Inc. One-position fill-up and circulating tool
CA2533115C (en) 2005-01-18 2010-06-08 Weatherford/Lamb, Inc. Top drive torque booster
CA2586317C (en) 2006-04-27 2012-04-03 Weatherford/Lamb, Inc. Torque sub for use with top drive
US7882902B2 (en) 2006-11-17 2011-02-08 Weatherford/Lamb, Inc. Top drive interlock
FI20095046A0 (fi) * 2009-01-21 2009-01-21 Atlas Copco Rotex Ab Oy Menetelmä ja laitteisto uppoporaukseen
NO332113B1 (no) 2010-08-05 2012-06-25 Tomax As Anordning ved pumpe som befinner seg ved en borekrone.
SE535421C2 (sv) * 2010-08-26 2012-07-31 Atlas Copco Rock Drills Ab Förfarande och system för bestämning av en förändring av ett spolmediumflöde samt bergborrningsanordning
CN102477846B (zh) * 2010-11-27 2014-04-30 中铁西北科学研究院有限公司 土层扩孔钻头
CN105002898B (zh) * 2015-07-15 2017-01-18 周兆弟 水泥土搅拌桩打桩机的钻杆转动驱动机构
GB2601556B (en) * 2020-12-04 2025-07-16 Expro North Sea Ltd Downhole apparatus
EP4522809A1 (de) * 2022-05-12 2025-03-19 Terramek OY Verfahren zur installation eines bohrpfahls und bohrpille

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB282820A (en) * 1926-12-29 1928-08-30 Alexander George Rotinoff Improvements relating to caissons
US2239872A (en) * 1939-03-25 1941-04-29 Emanuel T Beplat Apparatus for sinking forms for concrete piles
US2765146A (en) * 1952-02-09 1956-10-02 Jr Edward B Williams Jetting device for rotary drilling apparatus
US2805043A (en) * 1952-02-09 1957-09-03 Jr Edward B Williams Jetting device for rotary drilling apparatus
US2807443A (en) * 1953-11-02 1957-09-24 Joy Mfg Co Percussive drill bit
US3011547A (en) * 1957-09-25 1961-12-05 Sinclair Oil & Gas Company Method of preventing loss of gaseous drilling fluid
US3011571A (en) * 1961-01-23 1961-12-05 Bree Oscar L De Self cleaning rock drill bit
US3916634A (en) * 1973-03-12 1975-11-04 Roy J Woodruff Method for forming holes in earth and setting subterranean structures therein
AT345759B (de) * 1975-03-22 1978-10-10 Walter Gmbh Co H P Tieflochbohrhammer
FR2407336A1 (fr) * 1977-10-27 1979-05-25 Petroles Cie Francaise Procede de forage en circulation inverse avec effet de depression et inversion de la circulation dans le train de tiges et dispositif de mise en oeuvre
FR2442954A1 (fr) * 1977-11-21 1980-06-27 Inst Francais Du Petrole Outil de forage perfectionne a jet d'aspiration
US4494613A (en) * 1982-03-11 1985-01-22 Kabushiki Kaisha Komatsu Seisakusho Method and apparatus for driving hollow piles into the ground
EP0106702A3 (de) * 1982-10-19 1986-02-05 Drumco Bohrmeisselanordnung mit längerer Lebensdauer
US4610321A (en) * 1985-03-25 1986-09-09 Whaling Michael H Cavitating jet device

Also Published As

Publication number Publication date
FI862360A7 (fi) 1986-12-04
SE8502723D0 (sv) 1985-06-03
ATE63147T1 (de) 1991-05-15
FI862360A0 (fi) 1986-06-03
EP0204677B1 (de) 1991-05-02
JPS626024A (ja) 1987-01-13
CN86103916A (zh) 1986-12-17
AU5806586A (en) 1986-12-11
DE3678997D1 (de) 1991-06-06
CA1252456A (en) 1989-04-11
US4765416A (en) 1988-08-23
EP0204677A3 (en) 1988-03-02
EP0204677A2 (de) 1986-12-10
BR8602576A (pt) 1987-02-03
IE861407L (en) 1986-12-03
SE8502723L (sv) 1986-12-04
IE57420B1 (en) 1992-08-26
ZA863997B (en) 1987-01-28

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