ATE512277T1 - Wellendichtung für bohrlochwerkzeuge - Google Patents

Wellendichtung für bohrlochwerkzeuge

Info

Publication number
ATE512277T1
ATE512277T1 AT08806711T AT08806711T ATE512277T1 AT E512277 T1 ATE512277 T1 AT E512277T1 AT 08806711 T AT08806711 T AT 08806711T AT 08806711 T AT08806711 T AT 08806711T AT E512277 T1 ATE512277 T1 AT E512277T1
Authority
AT
Austria
Prior art keywords
sealing
shaft seal
drilling tools
movable member
sealing member
Prior art date
Application number
AT08806711T
Other languages
English (en)
Inventor
Mark Murray
Original Assignee
Caledyne 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
Priority claimed from GB0719764A external-priority patent/GB0719764D0/en
Priority claimed from GB0816471A external-priority patent/GB0816471D0/en
Application filed by Caledyne Ltd filed Critical Caledyne Ltd
Application granted granted Critical
Publication of ATE512277T1 publication Critical patent/ATE512277T1/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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/003—Bearing, sealing, lubricating details

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Sealing Devices (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
AT08806711T 2007-10-10 2008-10-03 Wellendichtung für bohrlochwerkzeuge ATE512277T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0719764A GB0719764D0 (en) 2007-10-10 2007-10-10 Shaft seal
GB0816471A GB0816471D0 (en) 2008-09-09 2008-09-09 Shaft seal for down hole tools
PCT/GB2008/050895 WO2009047552A2 (en) 2007-10-10 2008-10-03 Shaft seal for down-hole tools

Publications (1)

Publication Number Publication Date
ATE512277T1 true ATE512277T1 (de) 2011-06-15

Family

ID=40518045

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08806711T ATE512277T1 (de) 2007-10-10 2008-10-03 Wellendichtung für bohrlochwerkzeuge

Country Status (4)

Country Link
US (1) US8870187B2 (de)
EP (1) EP2201206B1 (de)
AT (1) ATE512277T1 (de)
WO (1) WO2009047552A2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2233690A1 (de) 2009-03-13 2010-09-29 BP Alternative Energy International Limited Flüssigkeitseinspritzung
US10077616B2 (en) * 2013-11-01 2018-09-18 Weatherford Technology Holdings, Llc Wiper and seal assembly for a pump
IT201700031592A1 (it) 2017-03-22 2018-09-22 Fore S R L Valvola di sicurezza
CA2967606C (en) 2017-05-18 2023-05-09 Peter Neufeld Seal housing and related apparatuses and methods of use
US11021910B2 (en) * 2019-09-30 2021-06-01 Aps Technology, Inc. Sealing assembly and related methods

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3365202A (en) * 1965-06-15 1968-01-23 Ida H. Carleton Downhole drilling motor having an improved shaft seal
FR2045253A5 (de) * 1969-06-30 1971-02-26 Alsthom
US4340204A (en) * 1976-02-06 1982-07-20 Smith International, Inc. High pressure gate valve with preloaded, stacked, solid lubricated stem seals
US4078832A (en) * 1976-12-21 1978-03-14 Hydrotech International, Inc. Pipe coupling with improved seal means
US4239266A (en) * 1978-01-16 1980-12-16 Bill B. Berryhill Pipe connector apparatus
US4381868A (en) * 1981-07-24 1983-05-03 Cameron Iron Works, Inc. Pressure-actuated wellhead sealing assembly
FR2519688A1 (fr) * 1982-01-08 1983-07-18 Elf Aquitaine Systeme d'etancheite pour puits de forage dans lequel circule un fluide chaud
US5195754A (en) 1991-05-20 1993-03-23 Kalsi Engineering, Inc. Laterally translating seal carrier for a drilling mud motor sealed bearing assembly
CA2162311C (en) 1995-11-07 1998-12-22 Robert A.R. Mills Seal arrangement for the drivehead of a downhole rotary pump
GB0424255D0 (en) 2004-11-02 2004-12-01 Caledyne Ltd Safety valve

Also Published As

Publication number Publication date
EP2201206B1 (de) 2011-06-08
US20110037231A1 (en) 2011-02-17
EP2201206A2 (de) 2010-06-30
US8870187B2 (en) 2014-10-28
WO2009047552A3 (en) 2009-06-18
WO2009047552A2 (en) 2009-04-16

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties