FR2502234B1 - - Google Patents

Info

Publication number
FR2502234B1
FR2502234B1 FR8204389A FR8204389A FR2502234B1 FR 2502234 B1 FR2502234 B1 FR 2502234B1 FR 8204389 A FR8204389 A FR 8204389A FR 8204389 A FR8204389 A FR 8204389A FR 2502234 B1 FR2502234 B1 FR 2502234B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR8204389A
Other versions
FR2502234A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Santrade Ltd
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 FR2502234A1 publication Critical patent/FR2502234A1/fr
Application granted granted Critical
Publication of FR2502234B1 publication Critical patent/FR2502234B1/fr
Expired legal-status Critical Current

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)
FR8204389A 1981-03-19 1982-03-16 Expired FR2502234B1 (fr)

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
FR2502234A1 FR2502234A1 (fr) 1982-09-24
FR2502234B1 true FR2502234B1 (fr) 1985-02-22

Family

ID=20343372

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8204389A Expired FR2502234B1 (fr) 1981-03-19 1982-03-16

Country Status (11)

Country Link
US (1) US4441565A (fr)
AT (1) AT379863B (fr)
AU (1) AU546807B2 (fr)
BR (1) BR8201465A (fr)
CA (1) CA1161830A (fr)
DE (1) DE3209659A1 (fr)
FI (1) FI820973L (fr)
FR (1) FR2502234B1 (fr)
NO (1) NO820871L (fr)
SE (1) SE442532B (fr)
ZA (1) ZA821378B (fr)

Families Citing this family (8)

* 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
SE0201989L (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

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US23860A (en) * 1859-05-03 Improvement in cotton-presses
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
FI40998B (fr) * 1962-07-09 1969-04-30 Atlas Copco Ab
US3313364A (en) * 1964-06-15 1967-04-11 Howard M Binkley Self-reaming rock drill coupling
AT346790B (de) * 1976-04-29 1978-11-27 Walter Ebenhoeh & Sohn Fa Pumpgestaenge
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
FI820973L (fi) 1982-09-20
BR8201465A (pt) 1983-02-01
SE8101749L (sv) 1982-09-20
ATA108082A (de) 1985-07-15
AU546807B2 (en) 1985-09-19
NO820871L (no) 1982-09-20
FR2502234A1 (fr) 1982-09-24
ZA821378B (en) 1983-01-26
SE442532B (sv) 1986-01-13
DE3209659A1 (de) 1982-09-30
AT379863B (de) 1986-03-10
CA1161830A (fr) 1984-02-07
US4441565A (en) 1984-04-10
AU8151882A (en) 1983-09-22

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Legal Events

Date Code Title Description
ST Notification of lapse