CA2240023C - Reservoir de lubrifiant protege pour trepan de forage a roulements etanches - Google Patents

Reservoir de lubrifiant protege pour trepan de forage a roulements etanches Download PDF

Info

Publication number: CA2240023C
Authority: CA; Canada
Prior art keywords: reservoir; bit; bit according; opening; legs
Prior art date: 1997-07-01
Legal status (The legal status 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 status listed.): Expired - Lifetime

Application number

CA 2240023

Other languages

English (en)

Other versions

CA2240023A1 (fr

Inventor

Robert H. Slaughter, Jr.

Peter T. Cariveau

Kirk A. Norris

Roger Didericksen

William M. Conn

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Smith International Inc

Original Assignee

Smith International 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.)

1997-07-01

Filing date

1998-06-08

Publication date

2007-02-13

1998-06-08 Application filed by Smith International Inc filed Critical Smith International Inc

1998-06-08 Priority to CA002567415A priority Critical patent/CA2567415C/fr

1998-06-08 Priority to CA002567355A priority patent/CA2567355A1/fr

1999-01-01 Publication of CA2240023A1 publication Critical patent/CA2240023A1/fr

2007-02-13 Application granted granted Critical

2007-02-13 Publication of CA2240023C publication Critical patent/CA2240023C/fr

2018-06-08 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- E21B10/003—Drill bits with cutting edges facing in opposite axial directions
- 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
- E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids

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)

CA 2240023 1997-07-01 1998-06-08 Reservoir de lubrifiant protege pour trepan de forage a roulements etanches Expired - Lifetime CA2240023C (fr)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
CA002567415A CA2567415C (fr)	1997-07-01	1998-06-08	Reservoir de lubrifiant protege pour trepan de forage de terrain a roulement etanche
CA002567355A CA2567355A1 (fr)	1997-07-01	1998-06-08	Reservoir de lubrifiant protege pour trepan de forage a roulements etanches

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date
US5137397P	1997-07-01	1997-07-01
US60/051,373		1997-07-01
US92586997A	1997-09-09	1997-09-09
US08/925,869		1997-09-09

Related Child Applications (2)

Application Number	Title	Priority Date	Filing Date
CA002567355A Division CA2567355A1 (fr)	1997-07-01	1998-06-08	Reservoir de lubrifiant protege pour trepan de forage a roulements etanches
CA002567415A Division CA2567415C (fr)	1997-07-01	1998-06-08	Reservoir de lubrifiant protege pour trepan de forage de terrain a roulement etanche

Publications (2)

Publication Number	Publication Date
CA2240023A1 CA2240023A1 (fr)	1999-01-01
CA2240023C true CA2240023C (fr)	2007-02-13

Family

ID=26729352

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2240023 Expired - Lifetime CA2240023C (fr)	1997-07-01	1998-06-08	Reservoir de lubrifiant protege pour trepan de forage a roulements etanches

Country Status (4)

Country	Link
AU (1)	AU731531B2 (fr)
CA (1)	CA2240023C (fr)
GB (1)	GB2326894A (fr)
SE (5)	SE9802318L (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2355747B (en) *	1999-11-01	2001-12-12	Baker Hughes Inc	Journal bearing for earth-boring bit
RU2231613C2 (ru) *	2002-07-01	2004-06-27	Открытое акционерное общество "Волгабурмаш"	Буровое долото для бурения скважин с продувкой забоя воздухом
US7749947B2 (en)	2006-05-01	2010-07-06	Smith International, Inc.	High performance rock bit grease
US7677338B2 (en)	2007-03-14	2010-03-16	Overstreet James L	System, method, and apparatus for passive and active updrill features on roller cone drill bits
US8047309B2 (en)	2007-03-14	2011-11-01	Baker Hughes Incorporated	Passive and active up-drill features on fixed cutter earth-boring tools and related systems and methods
RU2486329C2 (ru) *	2011-05-18	2013-06-27	Открытое акционерное общество "Волгабурмаш" (ОАО "Волгабурмаш")	Буровое долото с продувкой забоя воздухом и герметизацией опор шарошек

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3917028A (en) *	1975-01-13	1975-11-04	Smith International	Lubrication reservoir assembly
GB1524914A (en) *	1976-06-14	1978-09-13	Smith International	Rotary rock drill bits
US4375242A (en) *	1980-08-11	1983-03-01	Hughes Tool Company	Sealed and lubricated rock bit with air protected seal ring
US4793719A (en) *	1987-11-18	1988-12-27	Smith International, Inc.	Precision roller bearing rock bits

1998
- 1998-06-08 CA CA 2240023 patent/CA2240023C/fr not_active Expired - Lifetime
- 1998-06-16 GB GB9813000A patent/GB2326894A/en not_active Withdrawn
- 1998-06-29 SE SE9802318A patent/SE9802318L/ not_active Application Discontinuation
- 1998-06-30 AU AU73961/98A patent/AU731531B2/en not_active Expired
2000
- 2000-03-14 SE SE0000840A patent/SE519576C2/sv not_active IP Right Cessation
- 2000-03-14 SE SE0000841A patent/SE519577C2/sv not_active IP Right Cessation
- 2000-03-14 SE SE0000839A patent/SE518362C2/sv not_active IP Right Cessation
- 2000-03-14 SE SE0000842A patent/SE519685C2/sv not_active IP Right Cessation

Also Published As

Publication number	Publication date
GB9813000D0 (en)	1998-08-12
SE0000842D0 (sv)	2000-03-14
SE0000840D0 (sv)	2000-03-14
SE0000839D0 (sv)	2000-03-14
SE519576C2 (sv)	2003-03-18
SE9802318D0 (sv)	1998-06-29
AU7396198A (en)	1999-01-14
SE519685C2 (sv)	2003-04-01
CA2240023A1 (fr)	1999-01-01
SE519577C2 (sv)	2003-03-18
AU731531B2 (en)	2001-03-29
SE518362C2 (sv)	2002-10-01
SE0000842L (sv)	2000-03-14
SE9802318L (sv)	1999-01-02
SE0000839L (sv)	2000-03-14
SE0000840L (sv)	2000-03-14
SE0000841D0 (sv)	2000-03-14
GB2326894A (en)	1999-01-06
SE0000841L (sv)	2000-03-14

Similar Documents

Publication	Publication Date	Title
US6206110B1 (en)	2001-03-27	Protected lubricant reservoir with pressure control for sealed bearing earth boring drill bit
US6296067B1 (en)	2001-10-02	Protected lubricant reservoir for sealed bearing earth boring drill bit
US6619412B2 (en)	2003-09-16	Protected lubricant reservoir for sealed earth boring drill bit
US6116357A (en)	2000-09-12	Rock drill bit with back-reaming protection
CA1148137A (fr)	1983-06-14	Trepan de foration scelle et lubrifie avec bague d'etancheite protegee
US6729418B2 (en)	2004-05-04	Back reaming tool
US7137460B2 (en)	2006-11-21	Back reaming tool
US5595255A (en)	1997-01-21	Rotary cone drill bit with improved support arms
US6131676A (en)	2000-10-17	Small disc cutter, and drill bits, cutterheads, and tunnel boring machines employing such rolling disc cutters
AU4868000A (en)	2001-01-25	Improved rock drill bit with neck protection
CA1209570A (fr)	1986-08-12	Degorgeur d'event sur trepan scelle de foration dans le roc
US4073548A (en)	1978-02-14	Sealing system for a rotary rock bit
CA2240023C (fr)	2007-02-13	Reservoir de lubrifiant protege pour trepan de forage a roulements etanches
CN104736792B (zh)	2017-09-12	用于牙轮钻头的润滑压力释放的方法和系统
CA1109454A (fr)	1981-09-22	Rondelle d'etancheisation encastree sur trepan de forage
US20070261891A1 (en)	2007-11-15	Roller Cone Drill Bit With Enhanced Debris Diverter Grooves
US4330158A (en)	1982-05-18	Rotary rock bit with improved thrust flange
CA2330987C (fr)	2007-01-02	Reservoir de lubrifiant protege avec commande par pression pour trepan de forage de terrain avec roulement etanche
CA2567415C (fr)	2008-12-23	Reservoir de lubrifiant protege pour trepan de forage de terrain a roulement etanche
US7484572B2 (en)	2009-02-03	Roller cone drill bit with debris flow paths through associated support arms
US7543660B2 (en)	2009-06-09	Roller cone drill bit with debris diverter plugs
CA1231091A (fr)	1988-01-05	Degagement des particules pour trepans
AU774583B2 (en)	2004-07-01	Dual-seal drill bit with fluid cleaning capability

Legal Events

Date	Code	Title	Description
2003-05-27	EEER	Examination request
2018-08-12	MKEX	Expiry	Effective date: 20180608