ATE251269T1 - Sicherheitsschaltsystem für rohrspanngeräte - Google Patents

Sicherheitsschaltsystem für rohrspanngeräte

Info

Publication number
ATE251269T1
ATE251269T1 AT97110337T AT97110337T ATE251269T1 AT E251269 T1 ATE251269 T1 AT E251269T1 AT 97110337 T AT97110337 T AT 97110337T AT 97110337 T AT97110337 T AT 97110337T AT E251269 T1 ATE251269 T1 AT E251269T1
Authority
AT
Austria
Prior art keywords
switching system
safety switching
clamping
clamping device
clamping devices
Prior art date
Application number
AT97110337T
Other languages
English (en)
Inventor
Manfred Jaensch
Original Assignee
Weatherford Lamb
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 Weatherford Lamb filed Critical Weatherford Lamb
Application granted granted Critical
Publication of ATE251269T1 publication Critical patent/ATE251269T1/de

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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/02—Rod or cable suspensions
    • E21B19/06—Elevators, i.e. rod- or tube-gripping devices
    • E21B19/07—Slip-type elevators

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Earth Drilling (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Control And Safety Of Cranes (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
AT97110337T 1997-06-25 1997-06-25 Sicherheitsschaltsystem für rohrspanngeräte ATE251269T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97110337A EP0887510B1 (de) 1997-06-25 1997-06-25 Sicherheitsschaltsystem für Rohrspanngeräte

Publications (1)

Publication Number Publication Date
ATE251269T1 true ATE251269T1 (de) 2003-10-15

Family

ID=8226955

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97110337T ATE251269T1 (de) 1997-06-25 1997-06-25 Sicherheitsschaltsystem für rohrspanngeräte

Country Status (8)

Country Link
US (1) US6386282B1 (de)
EP (1) EP0887510B1 (de)
AT (1) ATE251269T1 (de)
AU (1) AU730734B2 (de)
CA (1) CA2293294C (de)
DE (1) DE59710808D1 (de)
NO (1) NO312851B1 (de)
WO (1) WO1999000577A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2357530B (en) * 2000-11-04 2003-09-03 Weatherford Lamb Method and apparatus for gripping tubulars
GB2377233B (en) * 2000-11-04 2005-05-11 Weatherford Lamb Safety mechanism for tubular gripping apparatus
US6968895B2 (en) * 2003-09-09 2005-11-29 Frank's Casing Crew And Rental Tools Drilling rig elevator safety system
EP2307661A1 (de) * 2008-05-03 2011-04-13 Frank's International, Inc. Rohrgreiferverriegelungssystem
US8439121B2 (en) * 2009-11-16 2013-05-14 Tesco Corporation Hydraulic interlock system between casing gripper and spider
US8733454B2 (en) * 2010-03-01 2014-05-27 Frank's Casing Crew And Rental Tools, Inc. Elevator grip assurance

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2410589A (en) * 1942-08-17 1946-11-05 August L Segelhorst Automatic slip mechanism
US2545177A (en) * 1949-08-26 1951-03-13 Standard Oil Dev Co Control for power-operated slips
US2700201A (en) * 1950-04-03 1955-01-25 United States Steel Corp Operating mechanism for rotary slips
US2829617A (en) * 1955-11-04 1958-04-08 Benjamin F Kelley Power slips with warning signal means
BE599599A (de) * 1960-01-29
US4595062A (en) * 1980-07-17 1986-06-17 Varco International, Inc. Well casing jack mechanism
US4479547A (en) * 1981-06-01 1984-10-30 Varco International, Inc. Well pipe jack
US4676312A (en) * 1986-12-04 1987-06-30 Donald E. Mosing Well casing grip assurance system
US5311937A (en) * 1992-07-08 1994-05-17 Raito Kogyo Co., Ltd. Extractor for an injection pipe
DE4227645C2 (de) * 1992-08-21 1996-10-17 Weatherford Lamb Sicherheitsvorrichtung für einen Rohrelevator
US5340182A (en) 1992-09-04 1994-08-23 Varco International, Inc. Safety elevator
US5848647A (en) * 1996-11-13 1998-12-15 Frank's Casing Crew & Rental Tools, Inc. Pipe gripping apparatus
US5791410A (en) * 1997-01-17 1998-08-11 Frank's Casing Crew & Rental Tools, Inc. Apparatus and method for improved tubular grip assurance

Also Published As

Publication number Publication date
NO990901D0 (no) 1999-02-25
US6386282B1 (en) 2002-05-14
CA2293294C (en) 2006-12-12
WO1999000577A1 (de) 1999-01-07
CA2293294A1 (en) 1999-01-07
EP0887510B1 (de) 2003-10-01
NO990901L (no) 1999-02-25
AU730734B2 (en) 2001-03-15
AU8439598A (en) 1999-01-19
DE59710808D1 (de) 2003-11-06
EP0887510A1 (de) 1998-12-30
NO312851B1 (no) 2002-07-08

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee