GB2384266B - Drill bit - Google Patents

Drill bit

Info

Publication number: GB2384266B
Authority: GB; United Kingdom
Prior art keywords: drill bit; drill; bit
Prior art date: 1999-02-02
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 - Fee Related

Application number

GB0309627A

Other versions

GB2384266A (en

Inventor

Steven Wilford Peterson

Chris E Cawthorne

Quan Van Nguyen

Michael Allen Siracki

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.)

1999-02-02

Filing date

2000-02-02

Publication date

2003-10-01

2000-02-02 Application filed by Smith International Inc filed Critical Smith International Inc

2000-02-02 Priority claimed from GB0002397A external-priority patent/GB2347701B/en

2003-07-23 Publication of GB2384266A publication Critical patent/GB2384266A/en

2003-10-01 Application granted granted Critical

2003-10-01 Publication of GB2384266B publication Critical patent/GB2384266B/en

2020-02-02 Anticipated expiration legal-status Critical

Status Expired - Fee Related 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
- E21B10/25—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)
Sealing Devices (AREA)
Earth Drilling (AREA)

GB0309627A 1999-02-02 2000-02-02 Drill bit Expired - Fee Related GB2384266B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US11823999P	1999-02-02	1999-02-02
GB0002397A GB2347701B (en)	1999-02-02	2000-02-02	Drill bit

Publications (2)

Publication Number	Publication Date
GB2384266A GB2384266A (en)	2003-07-23
GB2384266B true GB2384266B (en)	2003-10-01

Family

ID=26243549

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB0309627A Expired - Fee Related GB2384266B (en)	1999-02-02	2000-02-02	Drill bit

Country Status (1)

Country	Link
GB (1)	GB2384266B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN109469446A (en) *	2019-01-25	2019-03-15	沧州格锐特钻头有限公司	A roller cone drill with chip removal structure
CN110984864B (en) *	2019-12-25	2022-03-15	西南石油大学	Roller bit seal structure

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB949857A (en) *	1961-01-03	1964-02-19	Hughes Tool Co	Seal
GB1210874A (en) *	1967-03-23	1970-11-04	Smith Ind International Inc	Shaft seal
GB2119036A (en) *	1982-04-20	1983-11-09	Reed Rock Bit Co	Dynamic seal for rolling cutter drill bit
GB2316110A (en) *	1996-08-06	1998-02-18	Baker Hughes Inc	Metal face seal for earth boring bits

2000
- 2000-02-02 GB GB0309627A patent/GB2384266B/en not_active Expired - Fee Related

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB949857A (en) *	1961-01-03	1964-02-19	Hughes Tool Co	Seal
GB1210874A (en) *	1967-03-23	1970-11-04	Smith Ind International Inc	Shaft seal
GB2119036A (en) *	1982-04-20	1983-11-09	Reed Rock Bit Co	Dynamic seal for rolling cutter drill bit
GB2316110A (en) *	1996-08-06	1998-02-18	Baker Hughes Inc	Metal face seal for earth boring bits

Also Published As

Publication number	Publication date
GB2384266A (en)	2003-07-23

Publication	Publication Date	Title
GB2357534B (en)	2004-03-10	Drill bit
GB2345930B (en)	2003-07-16	Earth-boring drill bit
GB2368360B (en)	2003-08-06	Drill bit
GB2364340B (en)	2004-11-10	Drill bit
GB2351513B (en)	2003-06-18	Bi-center drill bit
GB2364079B (en)	2004-11-17	Drill bits
GB2348658B (en)	2003-07-16	Earth-boring bit
GB2352748B (en)	2004-01-07	Drill bit
GB2347701B (en)	2003-06-11	Drill bit
AU6299299A (en)	2001-03-05	Drill bits
EG22664A (en)	2003-05-31	Drill bit
ZA200004375B (en)	2001-02-28	Drilling tool.
GB2376490B (en)	2003-05-28	Bi-Centre drill bit
GB2383062B (en)	2003-08-27	Earth-boring bit
AU136960S (en)	1999-04-06	Drill bit
GB0025156D0 (en)	2000-11-29	Paper drill bit
GB2384266B (en)	2003-10-01	Drill bit
GB0025776D0 (en)	2000-12-06	Hammer drill
GB9911391D0 (en)	1999-07-14	Drilling tool
GB0028049D0 (en)	2001-01-03	Drill
GB2402688B (en)	2005-01-19	Drill bit
GB2347378B (en)	2001-03-07	Hammer drill
GB9922975D0 (en)	1999-12-01	A boring bit
TW401868U (en)	2000-08-11	Improved drill
AU145072S (en)	2001-09-06	Drill bit

Legal Events

Date	Code	Title	Description
2016-10-26	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20160202