SE9301408L - Rörborrningselement - Google Patents

Rörborrningselement

Info

Publication number
SE9301408L
SE9301408L SE9301408A SE9301408A SE9301408L SE 9301408 L SE9301408 L SE 9301408L SE 9301408 A SE9301408 A SE 9301408A SE 9301408 A SE9301408 A SE 9301408A SE 9301408 L SE9301408 L SE 9301408L
Authority
SE
Sweden
Prior art keywords
drilling
tube element
drill tube
valve means
drilling fluid
Prior art date
Application number
SE9301408A
Other languages
Unknown language ( )
English (en)
Other versions
SE503367C2 (sv
SE9301408D0 (sv
Inventor
Per-Olof Liljebrand
Original Assignee
Sandvik 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 Sandvik Ab filed Critical Sandvik Ab
Priority to SE9301408A priority Critical patent/SE503367C2/sv
Publication of SE9301408D0 publication Critical patent/SE9301408D0/sv
Priority to AU66942/94A priority patent/AU681661B2/en
Priority to PCT/SE1994/000372 priority patent/WO1994025723A1/en
Priority to CA 2160790 priority patent/CA2160790A1/en
Publication of SE9301408L publication Critical patent/SE9301408L/sv
Publication of SE503367C2 publication Critical patent/SE503367C2/sv

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Surgical Instruments (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Materials For Medical Uses (AREA)
  • Check Valves (AREA)
  • Percussive Tools And Related Accessories (AREA)
SE9301408A 1993-04-27 1993-04-27 Borrörselement för topphammarborrning SE503367C2 (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE9301408A SE503367C2 (sv) 1993-04-27 1993-04-27 Borrörselement för topphammarborrning
AU66942/94A AU681661B2 (en) 1993-04-27 1994-04-26 Drill tube element
PCT/SE1994/000372 WO1994025723A1 (en) 1993-04-27 1994-04-26 Drill tube element
CA 2160790 CA2160790A1 (en) 1993-04-27 1994-04-26 Drill tube element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9301408A SE503367C2 (sv) 1993-04-27 1993-04-27 Borrörselement för topphammarborrning

Publications (3)

Publication Number Publication Date
SE9301408D0 SE9301408D0 (sv) 1993-04-27
SE9301408L true SE9301408L (sv) 1994-10-28
SE503367C2 SE503367C2 (sv) 1996-06-03

Family

ID=20389725

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9301408A SE503367C2 (sv) 1993-04-27 1993-04-27 Borrörselement för topphammarborrning

Country Status (4)

Country Link
AU (1) AU681661B2 (sv)
CA (1) CA2160790A1 (sv)
SE (1) SE503367C2 (sv)
WO (1) WO1994025723A1 (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE506855C2 (sv) * 1996-06-24 1998-02-16 Sandvik Ab Borrör för bildande av borrsträngar samt ventilkropp för sådant borrör
SE509677C2 (sv) * 1996-12-19 1999-02-22 Uniroc Ab Borrör innefattande en backventil
CN103410462A (zh) * 2013-08-27 2013-11-27 山东宝世达石油装备制造有限公司 空心杆洗井单流阀
DE102019206237A1 (de) * 2019-04-30 2020-11-05 Zf Friedrichshafen Ag Entlüftungsventil zum Entlüften einer Fahrzeugantriebsstrangkomponente, sowie Radkopfträger mit einem solchen Entlüftungsventil

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1447234A (en) * 1920-10-14 1923-03-06 Monroe W Carroll Rotary drill bit
US2578069A (en) * 1947-09-02 1951-12-11 Arthur N Jones Ball housing
DE1206827B (de) * 1964-08-17 1965-12-16 August Goettker Erben Flachboh Ventilanordnung zum Beimischen von Luft in den Spuelkreislauf von Spuelbohranlagen
US4945947A (en) * 1989-05-26 1990-08-07 Chromalloy American Corporation Ball-type check valve

Also Published As

Publication number Publication date
SE503367C2 (sv) 1996-06-03
AU6694294A (en) 1994-11-21
AU681661B2 (en) 1997-09-04
SE9301408D0 (sv) 1993-04-27
CA2160790A1 (en) 1994-11-10
WO1994025723A1 (en) 1994-11-10

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