NO20000253L - Hydraulisk aktuator - Google Patents

Hydraulisk aktuator

Info

Publication number
NO20000253L
NO20000253L NO20000253A NO20000253A NO20000253L NO 20000253 L NO20000253 L NO 20000253L NO 20000253 A NO20000253 A NO 20000253A NO 20000253 A NO20000253 A NO 20000253A NO 20000253 L NO20000253 L NO 20000253L
Authority
NO
Norway
Prior art keywords
hydraulic actuator
actuator
hydraulic
Prior art date
Application number
NO20000253A
Other languages
English (en)
Norwegian (no)
Other versions
NO20000253D0 (no
Inventor
Thomas M Deaton
Original Assignee
Dresser Ind
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 Dresser Ind filed Critical Dresser Ind
Publication of NO20000253D0 publication Critical patent/NO20000253D0/no
Publication of NO20000253L publication Critical patent/NO20000253L/no

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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
NO20000253A 1997-07-18 2000-01-18 Hydraulisk aktuator NO20000253L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5313497P 1997-07-18 1997-07-18
PCT/US1998/014855 WO1999004173A1 (en) 1997-07-18 1998-07-17 Hydraulic fluid actuator with metal to metal seals

Publications (2)

Publication Number Publication Date
NO20000253D0 NO20000253D0 (no) 2000-01-18
NO20000253L true NO20000253L (no) 2000-03-06

Family

ID=21982150

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20000253A NO20000253L (no) 1997-07-18 2000-01-18 Hydraulisk aktuator

Country Status (8)

Country Link
US (1) US6098714A (de)
EP (1) EP0996826B1 (de)
AU (1) AU730139B2 (de)
BR (1) BR9810916A (de)
CA (1) CA2302376A1 (de)
DE (1) DE69813229T2 (de)
NO (1) NO20000253L (de)
WO (1) WO1999004173A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6732803B2 (en) 2000-12-08 2004-05-11 Schlumberger Technology Corp. Debris free valve apparatus
US6808020B2 (en) * 2000-12-08 2004-10-26 Schlumberger Technology Corporation Debris-free valve apparatus and method of use
US6715558B2 (en) * 2002-02-25 2004-04-06 Halliburton Energy Services, Inc. Infinitely variable control valve apparatus and method
US6854519B2 (en) * 2002-05-03 2005-02-15 Weatherford/Lamb, Inc. Subsurface valve with system and method for sealing
BR112016007647A2 (pt) 2013-11-11 2017-08-01 Halliburton Energy Services Inc válvula de segurança, e, método para acionar uma válvula de segurança
WO2015102603A1 (en) * 2013-12-31 2015-07-09 Halliburton Energy Services, Inc. Variable diameter piston assembly for safety valve
US9631456B2 (en) 2013-12-31 2017-04-25 Halliburton Energy Services, Inc. Multiple piston assembly for safety valve

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4069871A (en) * 1975-03-11 1978-01-24 Page John S Jr Deep well safety valve
US4452310A (en) * 1981-11-17 1984-06-05 Camco, Incorporated Metal-to-metal high/low pressure seal
GB2169332B (en) * 1985-01-08 1988-04-27 Baker Oil Tools Inc Subsurface well safety valve
NO179420C (no) * 1988-05-06 1996-10-02 Otis Eng Co Overflatestyrt brönnsikringsventil
US4986357A (en) * 1990-04-09 1991-01-22 Pringle Ronald E Well tool having a variable area hydraulic actuator
US5101904A (en) * 1991-03-15 1992-04-07 Bruce Gilbert Downhole tool actuator
DE4126851A1 (de) * 1991-08-14 1993-02-18 Krupp Widia Gmbh Werkzeug mit verschleissfester schneide aus kubischem bornitrid oder polykristallinem kubischem bornitrid, verfahren zu dessen herstellung sowie dessen verwendung
US5318127A (en) * 1992-08-03 1994-06-07 Halliburton Company Surface controlled annulus safety system for well bores

Also Published As

Publication number Publication date
BR9810916A (pt) 2000-08-15
DE69813229D1 (de) 2003-05-15
AU8411098A (en) 1999-02-10
EP0996826A1 (de) 2000-05-03
CA2302376A1 (en) 1999-01-28
NO20000253D0 (no) 2000-01-18
AU730139B2 (en) 2001-03-01
DE69813229T2 (de) 2003-11-13
WO1999004173A1 (en) 1999-01-28
US6098714A (en) 2000-08-08
EP0996826B1 (de) 2003-04-09

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