CA946825A - Drill bit - Google Patents

Drill bit

Info

Publication number: CA946825A
Authority: CA; Canada
Prior art keywords: drill bit; drill; bit
Prior art date: 1970-06-04
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

Application number

CA114,397A

Inventor

Maurice P. Lebourg

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.)

Individual

Original Assignee

Individual

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.)

1970-06-04

Filing date

1971-05-31

Publication date

1974-05-07

1971-05-31 Application filed by Individual filed Critical Individual

1974-05-07 Application granted granted Critical

1974-05-07 Publication of CA946825A publication Critical patent/CA946825A/en

Status Expired 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts

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)

CA114,397A 1970-06-04 1971-05-31 Drill bit Expired CA946825A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US4335070A	1970-06-04	1970-06-04

Publications (1)

Publication Number	Publication Date
CA946825A true CA946825A (en)	1974-05-07

Family

ID=21926719

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA114,397A Expired CA946825A (en)	1970-06-04	1971-05-31	Drill bit

Country Status (6)

Country	Link
US (1)	US3640355A (en)
BE (1)	BE768142A (en)
CA (1)	CA946825A (en)
CH (1)	CH541062A (en)
FR (1)	FR2094042B1 (en)
GB (1)	GB1336758A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1051418A (en) *	1976-02-03	1979-03-27	Western Rock Bit Company Limited	Percussion drill bit
DE2733300C2 (en) *	1977-07-21	1983-01-05	Western Rock Bit Co. Ltd., Calgary, Alberta	Rock drill bit
US4189015A (en) *	1978-08-21	1980-02-19	Acker Drill Company, Inc.	Drill bits for obtaining core samples
GB2294069B (en) *	1994-10-15	1998-10-28	Camco Drilling Group Ltd	Improvements in or relating to rotary drills bits
DE69531277T2 (en) *	1994-10-15	2004-05-19	Camco Drilling Group Ltd., Stonehouse	A rotary drill bit
US8820441B2 (en) *	2008-10-24	2014-09-02	Tercel Ip Ltd.	Combination coring bit and drill bit using fixed cutter PDC cutters
CN114109255B (en) *	2021-11-24	2023-06-27	重庆科技学院	Drilling device based on bionics

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2371489A (en) *	1943-08-09	1945-03-13	Sam P Daniel	Drill bit
US2371490A (en) *	1944-04-10	1945-03-13	Jr Edward B Williams	Step-cut drill bit
US2818233A (en) *	1954-05-03	1957-12-31	Jr Edward B Williams	Drill bit
US3138213A (en) *	1954-06-24	1964-06-23	Orpha B Brandon	Method and apparatus for vibratory drilling
US3058535A (en) *	1959-10-28	1962-10-16	Edward B Williams Iii	Rotary drill bit
US3216514A (en) *	1962-02-23	1965-11-09	Nelson Norman A	Rotary drilling apparatus
FR1363375A (en) *	1963-05-02	1964-06-12		Front sweep tool
FR1366092A (en) *	1963-05-27	1964-07-10	Aquitaine Petrole	Advanced rotary drilling tool
FR1366118A (en) *	1963-05-28	1964-07-10	Aquitaine Petrole	Rotary drilling tool
FR1366848A (en) *	1963-05-28	1964-07-17	Aquitaine Petrole	Fluid Bladed Rotary Drilling Tool Improvements
US3308896A (en) *	1964-08-20	1967-03-14	Homer I Henderson	Drilling bit
US3405770A (en) *	1966-05-25	1968-10-15	Hughes Tool Co	Drilling method and apparatus employing pressure variations in a drilling fluid

1970
- 1970-06-04 US US43350A patent/US3640355A/en not_active Expired - Lifetime
1971
- 1971-05-28 GB GB1784371A patent/GB1336758A/en not_active Expired
- 1971-05-31 CA CA114,397A patent/CA946825A/en not_active Expired
- 1971-06-02 CH CH802771A patent/CH541062A/en not_active IP Right Cessation
- 1971-06-03 FR FR7120112A patent/FR2094042B1/fr not_active Expired
- 1971-06-04 BE BE768142A patent/BE768142A/en unknown

Also Published As

Publication number	Publication date
BE768142A (en)	1971-11-03
FR2094042B1 (en)	1975-01-17
FR2094042A1 (en)	1972-02-04
US3640355A (en)	1972-02-08
GB1336758A (en)	1973-11-07
CH541062A (en)	1973-08-31

Publication	Publication Date	Title
CA949060A (en)	1974-06-11	Drill bit construction
CA929154A (en)	1973-06-26	Retractable drill bits
AU460979B2 (en)	1975-05-15	Drill bit
AU465340B2 (en)	1975-09-25	Rock drill
CA927582A (en)	1973-06-05	Drilling
CA932956A (en)	1973-09-04	Borehole tool
CA946825A (en)	1974-05-07	Drill bit
CA950266A (en)	1974-07-02	Rock drills
SU578420A1 (en)	1977-10-30	Drill bit
CA923114A (en)	1973-03-20	Drill bit
AU444110B2 (en)	1973-12-21	Drill bit
CA839582A (en)	1970-04-21	Drill bit
AU469533B2 (en)	1972-12-07	Drill bit
CA835224A (en)	1970-02-24	Drill bit
AU466941B2 (en)	1972-12-07	Drill bit construction
CA960642A (en)	1975-01-07	Drilling
CA833993A (en)	1970-02-10	Drill bits
AU469730B1 (en)	1970-09-24	Drilling bit
AU2959171A (en)	1972-12-07	Drill bit
CA853062A (en)	1970-10-06	Percussive well drill bit
CA790457A (en)	1968-07-23	Drill bit
AU2959271A (en)	1972-12-07	Drill bit construction
CA840749A (en)	1970-05-05	Rock drills
CA856648A (en)	1970-11-24	Percussion bit
AU460156B2 (en)		Rock drill