NO941375D0 - Drill bit - Google Patents

Drill bit

Info

Publication number
NO941375D0
NO941375D0 NO941375A NO941375A NO941375D0 NO 941375 D0 NO941375 D0 NO 941375D0 NO 941375 A NO941375 A NO 941375A NO 941375 A NO941375 A NO 941375A NO 941375 D0 NO941375 D0 NO 941375D0
Authority
NO
Norway
Prior art keywords
drill bit
drill
bit
Prior art date
Application number
NO941375A
Other languages
Norwegian (no)
Other versions
NO941375L (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 NO941375D0 publication Critical patent/NO941375D0/en
Publication of NO941375L publication Critical patent/NO941375L/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
NO941375A 1993-04-16 1994-04-15 Drill bit NO941375L (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
NO941375D0 true NO941375D0 (en) 1994-04-15
NO941375L NO941375L (en) 1994-10-17

Family

ID=21956860

Family Applications (1)

Application Number Title Priority Date Filing Date
NO941375A NO941375L (en) 1993-04-16 1994-04-15 Drill bit

Country Status (3)

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

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 (en) 2010-03-09 2010-08-18 江汉石油钻头股份有限公司 Tricone bit used for high-rotating speed well drilling
DE202018100532U1 (en) * 2018-01-31 2018-03-09 Schöning Gmbh Device for offshore work with a geared motor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68905949T2 (en) * 1988-03-31 1993-07-22 Smith International METAL GASKET FOR DRILL CHISELS.

Also Published As

Publication number Publication date
NO941375L (en) 1994-10-17
GB9407359D0 (en) 1994-06-08
ITTO940301A0 (en) 1994-04-15
GB2278865A (en) 1994-12-14
ITTO940301A1 (en) 1995-10-15
GB2278865B (en) 1996-06-26
IT1274260B (en) 1997-07-17

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