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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 ( )
Swedish (sv)
Other versions
SE503367C2 (en
SE9301408D0 (en
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/en
Publication of SE9301408D0 publication Critical patent/SE9301408D0/en
Priority to PCT/SE1994/000372 priority patent/WO1994025723A1/en
Priority to CA 2160790 priority patent/CA2160790A1/en
Priority to AU66942/94A priority patent/AU681661B2/en
Publication of SE9301408L publication Critical patent/SE9301408L/en
Publication of SE503367C2 publication Critical patent/SE503367C2/en

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)
  • Percussive Tools And Related Accessories (AREA)
  • Check Valves (AREA)

Abstract

The present invention relates to a drill tube element (10; 10') for percussive top hammer drilling. The drill tube element (10; 10') according to the invention is provided with a valve means that functions as a non-return valve for the drilling fluid when drilling upwards with the drill tube element (10; 10'). When drilling in a direction in the range from horizontal to downwards the valve means admit drilling fluid to travel in direction towards the bottom of the hole that is being drilled.
SE9301408A 1993-04-27 1993-04-27 Drill pipe element for top hammer drilling SE503367C2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE9301408A SE503367C2 (en) 1993-04-27 1993-04-27 Drill pipe element for top hammer drilling
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
AU66942/94A AU681661B2 (en) 1993-04-27 1994-04-26 Drill tube element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9301408A SE503367C2 (en) 1993-04-27 1993-04-27 Drill pipe element for top hammer drilling

Publications (3)

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

Family

ID=20389725

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9301408A SE503367C2 (en) 1993-04-27 1993-04-27 Drill pipe element for top hammer drilling

Country Status (4)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE506855C2 (en) * 1996-06-24 1998-02-16 Sandvik Ab Drill pipe for forming drill strings and valve body for such drill pipe
SE509677C2 (en) * 1996-12-19 1999-02-22 Uniroc Ab Drill pipe including a check valve
CN103410462A (en) * 2013-08-27 2013-11-27 山东宝世达石油装备制造有限公司 Hollow-rod well washing check valve
DE102019206237A1 (en) * 2019-04-30 2020-11-05 Zf Friedrichshafen Ag Vent valve for venting a vehicle drive train component, as well as wheel end supports with such a vent valve

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 (en) * 1964-08-17 1965-12-16 August Goettker Erben Flachboh Valve arrangement for mixing air into the flushing circuit of flushing drilling rigs
US4945947A (en) * 1989-05-26 1990-08-07 Chromalloy American Corporation Ball-type check valve

Also Published As

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

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