NO20084174L - Sentreringsmekanisme for ror - Google Patents

Sentreringsmekanisme for ror

Info

Publication number
NO20084174L
NO20084174L NO20084174A NO20084174A NO20084174L NO 20084174 L NO20084174 L NO 20084174L NO 20084174 A NO20084174 A NO 20084174A NO 20084174 A NO20084174 A NO 20084174A NO 20084174 L NO20084174 L NO 20084174L
Authority
NO
Norway
Prior art keywords
rudder
centering mechanism
centering device
relieved
expandable
Prior art date
Application number
NO20084174A
Other languages
English (en)
Other versions
NO333200B1 (no
Inventor
Jan Erik Pedersen
Original Assignee
Nat Oilwell Varco Norway As
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 Nat Oilwell Varco Norway As filed Critical Nat Oilwell Varco Norway As
Priority to NO20084174A priority Critical patent/NO333200B1/no
Priority to PCT/NO2009/000336 priority patent/WO2010041951A1/en
Publication of NO20084174L publication Critical patent/NO20084174L/no
Publication of NO333200B1 publication Critical patent/NO333200B1/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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/24—Guiding or centralising devices for drilling rods or pipes

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)
  • Pipe Accessories (AREA)
  • Manipulator (AREA)

Abstract

Sentreringsanordning (1) for rør (28) som befinner seg i et musehull (2), og hvor sentreringsanordningen (1) omfatter minst en oppblåsbar pute (20) som ved hjelp av et trykkfluid (5) er ekspanderbar mellom en avlastet, tilbaketrukket posisjon og en aktiv, ekspandert posisjon.
NO20084174A 2008-10-06 2008-10-06 Sentreringsmekanisme for ror NO333200B1 (no)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NO20084174A NO333200B1 (no) 2008-10-06 2008-10-06 Sentreringsmekanisme for ror
PCT/NO2009/000336 WO2010041951A1 (en) 2008-10-06 2009-09-28 Pipe centering mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20084174A NO333200B1 (no) 2008-10-06 2008-10-06 Sentreringsmekanisme for ror

Publications (2)

Publication Number Publication Date
NO20084174L true NO20084174L (no) 2010-04-07
NO333200B1 NO333200B1 (no) 2013-04-08

Family

ID=42100751

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20084174A NO333200B1 (no) 2008-10-06 2008-10-06 Sentreringsmekanisme for ror

Country Status (2)

Country Link
NO (1) NO333200B1 (no)
WO (1) WO2010041951A1 (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012012559A2 (en) * 2010-07-20 2012-01-26 National Oilwell Varco, L.P. Inflatable restraint system
CN111963084B (zh) * 2020-10-26 2021-03-16 胡森 一种用于石油开采的钻管导向装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE418318B (sv) * 1977-03-03 1981-05-18 Atlas Copco Ab Borrstod pa en matningsbalk for en bergborrmaskin
DE2920126A1 (de) * 1979-05-18 1980-11-27 Salzgitter Maschinen Ag Zentrier- und fuehrungsvorrichtung fuer bohrgestaenge zum erdbohren
US7111676B2 (en) * 2004-04-01 2006-09-26 National-Oilwell, L.P. Pipe centering device
CA2501399A1 (en) * 2005-03-24 2006-09-24 Jim Huddleston Pipe alignment apparatus

Also Published As

Publication number Publication date
NO333200B1 (no) 2013-04-08
WO2010041951A1 (en) 2010-04-15

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Legal Events

Date Code Title Description
CHAD Change of the owner's name or address (par. 44 patent law, par. patentforskriften)

Owner name: GRANT PRIDECO, US