AU2002350259A1 - Earth boring bit having air tube with removable cap - Google Patents

Earth boring bit having air tube with removable cap

Info

Publication number: AU2002350259A1
Authority: AU; Australia
Prior art keywords: air tube; removable cap; earth boring; boring bit; bit
Prior art date: 2001-12-21
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.): Abandoned

Application number

AU2002350259A

Inventor

Samuel B. Davis

Gregory W. Peterson

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.)

Baker Hughes Holdings LLC

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.)

2001-12-21

Filing date

2002-11-25

Publication date

2003-07-24

2002-11-25 Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc

2003-07-24 Publication of AU2002350259A1 publication Critical patent/AU2002350259A1/en

Status Abandoned legal-status Critical Current

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
- E21B10/23—Roller bits characterised by bearing, lubrication or sealing details with drilling fluid supply to the bearings

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)

AU2002350259A 2001-12-21 2002-11-25 Earth boring bit having air tube with removable cap Abandoned AU2002350259A1 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US10/028,074 US20030116357A1 (en)	2001-12-21	2001-12-21	Earth boring bit having air tube with removable cap
US10/028,074		2001-12-21
PCT/US2002/037782 WO2003058024A1 (en)	2001-12-21	2002-11-25	Earth boring bit having air tube with removable cap

Publications (1)

Publication Number	Publication Date
AU2002350259A1 true AU2002350259A1 (en)	2003-07-24

Family

ID=21841428

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU2002350259A Abandoned AU2002350259A1 (en)	2001-12-21	2002-11-25	Earth boring bit having air tube with removable cap

Country Status (3)

Country	Link
US (1)	US20030116357A1 (en)
AU (1)	AU2002350259A1 (en)
WO (1)	WO2003058024A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7168509B2 (en) *	2004-07-09	2007-01-30	Cooper Cary W	Percussive reamer and method of use thereof
US9822589B2 (en)	2014-12-05	2017-11-21	Atlas Copco Secoroc Llc	Rotary drill bit air/water separator
US11585158B2 (en)	2020-05-21	2023-02-21	Caterpillar Inc.	Isolated lubrication system for drill bits

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3401758A (en) *	1966-10-10	1968-09-17	Dresser Ind	Flow control valve for jet type bits
US4428442A (en) *	1982-05-17	1984-01-31	Smith International, Inc.	Rock bit lubrication system
US4515229A (en) *	1983-06-10	1985-05-07	Drummond Donald D	Drill bit assembly with fluid separator
US4610318A (en) *	1984-02-15	1986-09-09	Goodfellow Robert D	Rotary cutter assembly
US4805709A (en) *	1986-01-13	1989-02-21	Drumco	Drill bit and drill assembly
US5012876A (en) *	1990-02-01	1991-05-07	Dresser Industries, Inc.	Rotary drill bit providing separation of liquid from gas

2001
- 2001-12-21 US US10/028,074 patent/US20030116357A1/en not_active Abandoned
2002
- 2002-11-25 WO PCT/US2002/037782 patent/WO2003058024A1/en not_active Ceased
- 2002-11-25 AU AU2002350259A patent/AU2002350259A1/en not_active Abandoned

Also Published As

Publication number	Publication date
WO2003058024A1 (en)	2003-07-17
US20030116357A1 (en)	2003-06-26

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Legal Events

Date	Code	Title	Description
2004-09-09	MK6	Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase