ITTO20001036A0 - Supporto girevole per punte per la perforazione del terreno. - Google Patents

Supporto girevole per punte per la perforazione del terreno.

Info

Publication number
ITTO20001036A0
ITTO20001036A0 IT2000TO001036A ITTO20001036A ITTO20001036A0 IT TO20001036 A0 ITTO20001036 A0 IT TO20001036A0 IT 2000TO001036 A IT2000TO001036 A IT 2000TO001036A IT TO20001036 A ITTO20001036 A IT TO20001036A IT TO20001036 A0 ITTO20001036 A0 IT TO20001036A0
Authority
IT
Italy
Prior art keywords
swivel support
soil drilling
drilling bits
bits
soil
Prior art date
Application number
IT2000TO001036A
Other languages
English (en)
Inventor
Mohammad Swadi
Terry Koltermann
Kenneth Brannon
Original Assignee
Baker Hughes Inc
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 Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of ITTO20001036A0 publication Critical patent/ITTO20001036A0/it
Publication of ITTO20001036A1 publication Critical patent/ITTO20001036A1/it
Application granted granted Critical
Publication of IT1321039B1 publication Critical patent/IT1321039B1/it

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
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
    • 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
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
    • E21B10/246—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details with pumping means for feeding lubricant

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)
  • Earth Drilling (AREA)
IT2000TO001036A 1999-11-01 2000-11-02 Supporto girevole per punte per la perforazione del terreno. IT1321039B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43091699A 1999-11-01 1999-11-01

Publications (3)

Publication Number Publication Date
ITTO20001036A0 true ITTO20001036A0 (it) 2000-11-02
ITTO20001036A1 ITTO20001036A1 (it) 2002-05-02
IT1321039B1 IT1321039B1 (it) 2003-12-30

Family

ID=23709632

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2000TO001036A IT1321039B1 (it) 1999-11-01 2000-11-02 Supporto girevole per punte per la perforazione del terreno.

Country Status (2)

Country Link
GB (1) GB2355747B (it)
IT (1) IT1321039B1 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7128171B2 (en) 2004-02-23 2006-10-31 Baker Hughes Incorporated Hydrodynamic pump passages for rolling cone drill bit
US8534389B2 (en) * 2011-01-28 2013-09-17 Varel International, Ind., L.P. Method and apparatus for reducing lubricant pressure pulsation within a rotary cone rock bit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1767150A1 (ru) * 1989-12-14 1992-10-07 Специальное Конструкторское Бюро Научно-Производственного Объединения "Геотехника" Буровое шарошечное долото
US5265964A (en) * 1990-03-02 1993-11-30 Smith International, Inc. Lubricant system for a rotary cone rock bit
US5593231A (en) * 1995-01-17 1997-01-14 Dresser Industries, Inc. Hydrodynamic bearing
CA2240023C (en) * 1997-07-01 2007-02-13 Smith International, Inc. Protected lubricant reservoir for sealed bearing earth boring drill bit

Also Published As

Publication number Publication date
GB0026687D0 (en) 2000-12-20
GB2355747B (en) 2001-12-12
ITTO20001036A1 (it) 2002-05-02
IT1321039B1 (it) 2003-12-30
GB2355747A (en) 2001-05-02

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