ITTO20030507A1 - Premistoppa a tenuta di fango. - Google Patents

Premistoppa a tenuta di fango.

Info

Publication number
ITTO20030507A1
ITTO20030507A1 IT000507A ITTO20030507A ITTO20030507A1 IT TO20030507 A1 ITTO20030507 A1 IT TO20030507A1 IT 000507 A IT000507 A IT 000507A IT TO20030507 A ITTO20030507 A IT TO20030507A IT TO20030507 A1 ITTO20030507 A1 IT TO20030507A1
Authority
IT
Italy
Prior art keywords
premistope
mud
sealed
sealed premistope
Prior art date
Application number
IT000507A
Other languages
English (en)
Inventor
Don Quy Nguyen
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 ITTO20030507A1 publication Critical patent/ITTO20030507A1/it

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
IT000507A 2002-07-01 2003-07-01 Premistoppa a tenuta di fango. ITTO20030507A1 (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US39281402P 2002-07-01 2002-07-01
US10/602,844 US7086487B2 (en) 2002-07-01 2003-06-24 Anti-mud packing seal gland

Publications (1)

Publication Number Publication Date
ITTO20030507A1 true ITTO20030507A1 (it) 2004-01-02

Family

ID=29740278

Family Applications (1)

Application Number Title Priority Date Filing Date
IT000507A ITTO20030507A1 (it) 2002-07-01 2003-07-01 Premistoppa a tenuta di fango.

Country Status (3)

Country Link
US (1) US7086487B2 (it)
GB (1) GB2390381B (it)
IT (1) ITTO20030507A1 (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6837317B2 (en) * 2001-11-16 2005-01-04 Varel International, Ltd. Bearing seal
RU2008142657A (ru) * 2006-09-05 2010-06-27 Игорь Александрович Купчинский (UA) Буровое долото и уплотнение для герметизации подшипниковой опоры долота
US7387177B2 (en) * 2006-10-18 2008-06-17 Baker Hughes Incorporated Bearing insert sleeve for roller cone bit
US7832505B2 (en) * 2007-11-01 2010-11-16 Varel International Ind., L.P. Rock bit with a thermal insulating seal ring positioned in the seal gland
US7735583B2 (en) * 2007-11-21 2010-06-15 Baker Hughes Incorporated Roller cone bit bearing with elastomeric seal having self break-in property and method
US7861805B2 (en) * 2008-05-15 2011-01-04 Baker Hughes Incorporated Conformal bearing for rock drill bit
CN102606076A (zh) * 2012-03-30 2012-07-25 幸发芬 牙轮钻头偏心等宽轴承密封槽
WO2017003486A1 (en) * 2015-07-02 2017-01-05 Halliburton Energy Services, Inc. Roller cone drill bit assembly with varying radius bearing surfaces
US10689912B1 (en) 2019-12-12 2020-06-23 PDB Tools, Inc. Sealed bearing rock bit with a low profile seal
USD999885S1 (en) 2021-04-30 2023-09-26 Shape Technologies Group, Inc. High pressure seal body
US11927067B2 (en) 2021-11-30 2024-03-12 Baker Hughes Oilfield Operations Llc Shifting sleeve with extrudable ball and dog
US11814926B2 (en) 2021-11-30 2023-11-14 Baker Hughes Oilfield Operations Llc Multi plug system
US11891868B2 (en) * 2021-11-30 2024-02-06 Baker Hughes Oilfield Operations Llc Extrusion ball actuated telescoping lock mechanism
US11891869B2 (en) 2021-11-30 2024-02-06 Baker Hughes Oilfield Operations Torque mechanism for bridge plug

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO791605L (no) 1978-07-24 1980-01-25 Dresser Ind Borkrone.
US4277110A (en) * 1979-09-24 1981-07-07 Dresser Industries, Inc. Earth boring bit with eccentric seal groove
US4279316A (en) * 1979-10-09 1981-07-21 Dresser Industries, Inc. Earth boring bit with eccentric seal boss
US4610319A (en) * 1984-10-15 1986-09-09 Kalsi Manmohan S Hydrodynamic lubricant seal for drill bits
US4738323A (en) * 1986-11-14 1988-04-19 Cummins Engine Company, Inc. Thrust bearing and cone locking assembly for rock drill bit
US5358061A (en) 1993-10-21 1994-10-25 Smith International, Inc. Seal protection for rock bits
GB2332464B (en) * 1995-03-27 1999-10-20 Baker Hughes Inc Hydrocarbon production using multilateral wellbores
US6026917A (en) 1997-12-18 2000-02-22 Baker Hughes Incorporated Earth-boring bit with improved bearing seal
US6336512B1 (en) 1999-02-02 2002-01-08 Smith International, Inc. Drill bit having canted seal

Also Published As

Publication number Publication date
US20040000435A1 (en) 2004-01-01
GB0315215D0 (en) 2003-08-06
GB2390381B (en) 2005-12-07
GB2390381A (en) 2004-01-07
US7086487B2 (en) 2006-08-08

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