ITTO20030507A1 - Premistoppa a tenuta di fango. - Google Patents

Premistoppa a tenuta di fango.

Info

Publication number: ITTO20030507A1
Authority: IT; Italy
Prior art keywords: premistope; mud; sealed; sealed premistope
Prior art date: 2002-07-01

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.)

2002-07-01

Filing date

2003-07-01

Publication date

2004-01-02

2003-07-01 Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc

2004-01-02 Publication of ITTO20030507A1 publication Critical patent/ITTO20030507A1/it

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

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)

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 (16)

* 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
US12072026B2 (en)	2021-04-30	2024-08-27	Shape Technologies Group, Inc.	High pressure seal assembly
USD999885S1 (en)	2021-04-30	2023-09-26	Shape Technologies Group, Inc.	High pressure seal body
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
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
US20240318506A1 (en) *	2023-03-24	2024-09-26	Baker Hughes Oilfield Operations Llc	Protected back-up rings for metal face seals and earth boring tools incorporating the same

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
GB2332463B (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

2003
- 2003-06-24 US US10/602,844 patent/US7086487B2/en not_active Expired - Lifetime
- 2003-06-30 GB GB0315215A patent/GB2390381B/en not_active Expired - Fee Related
- 2003-07-01 IT IT000507A patent/ITTO20030507A1/it unknown

Also Published As

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

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