ZA201407151B - Holding clamp consisting of a device for locking and/or unlocking a tool head, such as a core bit - Google Patents

Holding clamp consisting of a device for locking and/or unlocking a tool head, such as a core bit

Info

Publication number
ZA201407151B
ZA201407151B ZA2014/07151A ZA201407151A ZA201407151B ZA 201407151 B ZA201407151 B ZA 201407151B ZA 2014/07151 A ZA2014/07151 A ZA 2014/07151A ZA 201407151 A ZA201407151 A ZA 201407151A ZA 201407151 B ZA201407151 B ZA 201407151B
Authority
ZA
South Africa
Prior art keywords
unlocking
locking
tool head
core bit
holding clamp
Prior art date
Application number
ZA2014/07151A
Other languages
English (en)
Inventor
Etienne Bosch
Emmanuel Bonte
Original Assignee
Technidrill
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 Technidrill filed Critical Technidrill
Publication of ZA201407151B publication Critical patent/ZA201407151B/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
    • E21B31/00—Fishing for or freeing objects in boreholes or wells
    • E21B31/12—Grappling tools, e.g. tongs or grabs
    • E21B31/18—Grappling tools, e.g. tongs or grabs gripping externally, e.g. overshot

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Marine Sciences & Fisheries (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Surgical Instruments (AREA)
  • Earth Drilling (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
ZA2014/07151A 2012-03-02 2014-10-02 Holding clamp consisting of a device for locking and/or unlocking a tool head, such as a core bit ZA201407151B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1200638A FR2987645B1 (fr) 2012-03-02 2012-03-02 Pince de maintien constitutive d'un dispositif de verrouillage et/ou de deverrouillage d'une tete d'un outil, tel qu'un carottier
PCT/FR2013/000057 WO2013128090A2 (fr) 2012-03-02 2013-03-04 Pince de maintien constitutive d'un dispositif de verrouillage et/ou de déverrouillage d'une tête d'un outil, tel qu'un carottier

Publications (1)

Publication Number Publication Date
ZA201407151B true ZA201407151B (en) 2016-01-27

Family

ID=48083451

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2014/07151A ZA201407151B (en) 2012-03-02 2014-10-02 Holding clamp consisting of a device for locking and/or unlocking a tool head, such as a core bit

Country Status (6)

Country Link
EP (1) EP2820234A2 (fr)
AU (1) AU2013224833B2 (fr)
CA (1) CA2869106A1 (fr)
FR (1) FR2987645B1 (fr)
WO (1) WO2013128090A2 (fr)
ZA (1) ZA201407151B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116291268B (zh) * 2023-01-19 2023-10-20 江苏江沅机械有限公司 一种快装井口装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1405976A (en) * 1921-02-15 1922-02-07 Dhooge Oscar Fishing tool for oil wells
US1719144A (en) * 1928-04-30 1929-07-02 Reed Roller Bit Co Overshot
US1771066A (en) * 1929-06-11 1930-07-22 Reed Roller Bit Co Overshot
US1810753A (en) * 1930-07-23 1931-06-16 Brown Cornelius Device for removing parts from wells
AU447008B2 (en) * 1971-04-22 1974-03-21 Mind Rill Limited Grappling device for wireline core drills
US4518187A (en) * 1983-06-06 1985-05-21 Leland F. Blatt Parallel movement gripper head
DE8700041U1 (de) * 1987-01-02 1987-03-26 Rheinische Braunkohlenwerke AG, 5000 Köln Fänger für ein Innenkernrohr zum Gewinnen von Bohrkernen
US6095583A (en) * 1996-07-03 2000-08-01 Weatherford/Lamb, Inc. Wellbore fishing tools
US6167833B1 (en) * 1998-10-30 2001-01-02 Camco International Inc. Wear indicator for rotary drilling tools
JP3263373B2 (ja) * 1998-12-18 2002-03-04 エービービー株式会社 自動塗装装置
US6564885B2 (en) * 2001-04-27 2003-05-20 Boart Longyear International Holdings, Inc. Up-hole overshot and safety drilling apparatus
AU738385B3 (en) 2001-05-11 2001-09-20 Boart Longyear Pty Ltd Lockable overshot
US7427091B2 (en) * 2005-09-01 2008-09-23 National-Oilwell, Dht, L.P. Spear head overshot for use in a cable guided fishing assembly

Also Published As

Publication number Publication date
AU2013224833B2 (en) 2017-09-14
EP2820234A2 (fr) 2015-01-07
FR2987645B1 (fr) 2014-12-26
AU2013224833A1 (en) 2014-10-23
WO2013128090A3 (fr) 2014-12-18
WO2013128090A2 (fr) 2013-09-06
FR2987645A1 (fr) 2013-09-06
CA2869106A1 (fr) 2013-09-06

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