IT1274260B - Punta di trivellazione con tenuta frontale rigida perfezionata - Google Patents

Punta di trivellazione con tenuta frontale rigida perfezionata

Info

Publication number
IT1274260B
IT1274260B ITTO940301A ITTO940301A IT1274260B IT 1274260 B IT1274260 B IT 1274260B IT TO940301 A ITTO940301 A IT TO940301A IT TO940301 A ITTO940301 A IT TO940301A IT 1274260 B IT1274260 B IT 1274260B
Authority
IT
Italy
Prior art keywords
front seal
drilling tip
rigid front
perfect rigid
perfect
Prior art date
Application number
ITTO940301A
Other languages
English (en)
Inventor
Danny E Scott
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 ITTO940301A0 publication Critical patent/ITTO940301A0/it
Publication of ITTO940301A1 publication Critical patent/ITTO940301A1/it
Application granted granted Critical
Publication of IT1274260B publication Critical patent/IT1274260B/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
    • E21B10/25—Roller bits characterised by bearing, lubrication or sealing details characterised by sealing details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3436—Pressing means
    • F16J15/344—Pressing means the pressing force being applied by means of an elastic ring supporting the slip-ring

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
ITTO940301A 1993-04-16 1994-04-15 Punta di trivellazione con tenuta frontale rigida perfezionata IT1274260B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4886393A 1993-04-16 1993-04-16

Publications (3)

Publication Number Publication Date
ITTO940301A0 ITTO940301A0 (it) 1994-04-15
ITTO940301A1 ITTO940301A1 (it) 1995-10-15
IT1274260B true IT1274260B (it) 1997-07-17

Family

ID=21956860

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO940301A IT1274260B (it) 1993-04-16 1994-04-15 Punta di trivellazione con tenuta frontale rigida perfezionata

Country Status (3)

Country Link
GB (1) GB2278865B (it)
IT (1) IT1274260B (it)
NO (1) NO941375L (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5472058A (en) * 1994-04-20 1995-12-05 Smith International, Inc. Rock bit with mechanical seal
GB9411228D0 (en) * 1994-06-04 1994-07-27 Camco Drilling Group Ltd A modulated bias unit for rotary drilling
US5791421A (en) * 1996-08-06 1998-08-11 Baker Hughes Incorporated Optimal material pair for metal face seal in earth-boring bits
US6684966B2 (en) * 2001-10-18 2004-02-03 Baker Hughes Incorporated PCD face seal for earth-boring bit
US7234541B2 (en) 2002-08-19 2007-06-26 Baker Hughes Incorporated DLC coating for earth-boring bit seal ring
US20080257610A1 (en) * 2007-04-17 2008-10-23 Baker Hughes Incorporated Elastomer Material for High Temperature Roller Cone Bits
CN101806195A (zh) 2010-03-09 2010-08-18 江汉石油钻头股份有限公司 一种用于高转速钻井的三牙轮钻头
DE202018100532U1 (de) * 2018-01-31 2018-03-09 Schöning Gmbh Vorrichtung für Offshore-Arbeiten mit einem Getriebemotor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0335497B1 (en) * 1988-03-31 1993-04-14 Smith International, Inc. Metal-to-metal face seal for rock bits

Also Published As

Publication number Publication date
NO941375L (no) 1994-10-17
GB2278865B (en) 1996-06-26
GB9407359D0 (en) 1994-06-08
NO941375D0 (no) 1994-04-15
ITTO940301A1 (it) 1995-10-15
ITTO940301A0 (it) 1994-04-15
GB2278865A (en) 1994-12-14

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970423