FI820973A7 - Ohjainlaite iskuporia varten. - Google Patents

Ohjainlaite iskuporia varten. Download PDF

Info

Publication number
FI820973A7
FI820973A7 FI820973A FI820973A FI820973A7 FI 820973 A7 FI820973 A7 FI 820973A7 FI 820973 A FI820973 A FI 820973A FI 820973 A FI820973 A FI 820973A FI 820973 A7 FI820973 A7 FI 820973A7
Authority
FI
Finland
Prior art keywords
control device
impact drill
drill
impact
control
Prior art date
Application number
FI820973A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI820973L (fi
Inventor
Bernt Sören Liljekvist
Original Assignee
Santrade Ltd
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 Santrade Ltd filed Critical Santrade Ltd
Publication of FI820973L publication Critical patent/FI820973L/fi
Publication of FI820973A7 publication Critical patent/FI820973A7/fi

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
    • 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
    • E21B17/042—Threaded
    • E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1057—Centralising devices with rollers or with a relatively rotating sleeve
    • E21B17/1064—Pipes or rods with a relatively rotating sleeve

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
FI820973A 1981-03-19 1982-03-19 Ohjainlaite iskuporia varten. FI820973A7 (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8101749A SE442532B (sv) 1981-03-19 1981-03-19 Styrhylsa for slagborrstreng och borrstang for samverkan med styrhylsan

Publications (2)

Publication Number Publication Date
FI820973L FI820973L (fi) 1982-09-20
FI820973A7 true FI820973A7 (fi) 1982-09-20

Family

ID=20343372

Family Applications (1)

Application Number Title Priority Date Filing Date
FI820973A FI820973A7 (fi) 1981-03-19 1982-03-19 Ohjainlaite iskuporia varten.

Country Status (11)

Country Link
US (1) US4441565A (OSRAM)
AT (1) AT379863B (OSRAM)
AU (1) AU546807B2 (OSRAM)
BR (1) BR8201465A (OSRAM)
CA (1) CA1161830A (OSRAM)
DE (1) DE3209659A1 (OSRAM)
FI (1) FI820973A7 (OSRAM)
FR (1) FR2502234B1 (OSRAM)
NO (1) NO820871L (OSRAM)
SE (1) SE442532B (OSRAM)
ZA (1) ZA821378B (OSRAM)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4575163A (en) * 1984-12-31 1986-03-11 Sable Donald E Rod guide
GB8530078D0 (en) * 1985-12-06 1986-01-15 Drilex Ltd Drill string stabiliser
US5135059A (en) * 1990-11-19 1992-08-04 Teleco Oilfield Services, Inc. Borehole drilling motor with flexible shaft coupling
AUPO445897A0 (en) * 1997-01-06 1997-01-30 Boart Longyear Inc. Straight hole drilling system
DE19702983C1 (de) * 1997-01-28 1998-06-04 Wirth Co Kg Masch Bohr Verfahren und Vorrichtung zum Niederbringen von Bohrlöchern, insbesondere für Schürf- und Gewinnungsbohrungen
SE516651C2 (sv) 1999-11-26 2002-02-05 Sandvik Ab Gängförband för slående borrning, en handel och en hondel
SE520077C2 (sv) * 2002-06-27 2003-05-20 Sandvik Ab Handel, borrkrona och gängförband för slående bergborrning
US7804995B2 (en) 2002-07-02 2010-09-28 Reald Inc. Stereoscopic format converter
US20250137355A1 (en) * 2023-10-31 2025-05-01 Wellbore Integrity Solutions Llc Wellbore cleaning tools

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US23860A (en) * 1859-05-03 Improvement in cotton-presses
USRE23860E (en) 1954-08-31 Key seat wiper
US2563038A (en) * 1948-05-27 1951-08-07 Irwin Stanley Paraffin remover
DE960261C (de) * 1952-08-08 1957-03-21 Nuesse & Graefer K G Maschf Bohrkronenfuehrung fuer drehendes Bohren im Bergbau mit an der Bohrlochwandung elastisch anliegenden spreizbaren Fuehrungsteilen
US2835473A (en) * 1953-10-13 1958-05-20 Joseph J Burris Guide for drill collar subs
US2956783A (en) * 1956-10-13 1960-10-18 Sandvikens Jernverks Ab Percussion drill
US3136377A (en) * 1960-10-12 1964-06-09 Sandvikens Jernverks Ab Guiding device for percussion drills
US3277972A (en) * 1962-07-09 1966-10-11 Atlas Copco Ab Rock drilling equipment
US3313364A (en) * 1964-06-15 1967-04-11 Howard M Binkley Self-reaming rock drill coupling
DE2214803C3 (de) * 1972-03-25 1978-04-20 Charles Haskell Menlo Park Calif. Collett (V.St.A.) Schnappmanschette für Bohrrohre und Bohrgestänge
AT346790B (de) * 1976-04-29 1978-11-27 Walter Ebenhoeh & Sohn Fa Pumpgestaenge
FR2383304A1 (fr) * 1977-03-09 1978-10-06 Christensen Inc Stabilisateur pour train de tiges de forage
US4220213A (en) * 1978-12-07 1980-09-02 Hamilton Jack E Method and apparatus for self orienting a drill string while drilling a well bore

Also Published As

Publication number Publication date
US4441565A (en) 1984-04-10
AU8151882A (en) 1983-09-22
CA1161830A (en) 1984-02-07
ATA108082A (de) 1985-07-15
ZA821378B (en) 1983-01-26
AU546807B2 (en) 1985-09-19
FI820973L (fi) 1982-09-20
NO820871L (no) 1982-09-20
DE3209659A1 (de) 1982-09-30
SE8101749L (sv) 1982-09-20
FR2502234B1 (OSRAM) 1985-02-22
FR2502234A1 (OSRAM) 1982-09-24
SE442532B (sv) 1986-01-13
BR8201465A (pt) 1983-02-01
AT379863B (de) 1986-03-10

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: SANTRADE LIMITED